Lennox Industries Inc. Patent applications |
Patent application number | Title | Published |
20160054024 | ERV Global Pressure Demand Control Ventilation Mode - An energy recovery ventilator includes first and second blowers, a pressure transducer and a controller. The first blower is configured to direct a first air stream into a first zone of an enclosure. A second blower configured to direct a second air stream into a second zone of the enclosure. A pressure transducer is configured to determine internal air pressure within the enclosure. A controller is configured to control the first blower and/or the second blower in response to the internal air pressure. | 02-25-2016 |
20160040921 | Condensate Trap for Heating-Cooling Systems - A condensation trap comprising an inlet chamber, a vent chamber and an outlet chamber. The inlet chamber is configured to receive condensate fluid through an external opening therein. The vent chamber is in fluid communication with the inlet chamber via a first passageway that includes an internal opening of the inlet chamber. The internal opening is located substantially at an opposite end of the vent chamber as the external opening. The outlet chamber is in fluid communication with the vent chamber via a second passageway that includes an internal opening in a sidewall of the vent chamber and an interior opening in an end of the outlet chamber. The outlet chamber is configured to transmit the condensate fluid through an exterior opening located at an opposite end of the outlet chamber. A vent volume portion is greater than a total volume of an internal space of the inlet chamber. | 02-11-2016 |
20160033163 | ICING PROTECTION FOR A HEAT PUMP - A protective housing is provided for a heating, ventilation, and air conditioning (HVAC) unit having a fan therein. The fan comprises a plurality of blades, each blade having a proximal and distal end. The housing comprises a plurality of side panels, each side panel comprising openings enabling airflow into the housing. The housing further comprises an access panel that is coupled between two of the plurality of side panels wherein the access panel and the plurality of side panels form an enclosure. An orifice ring is mounted within the housing, wherein a running clearance between the distal end of the fan blades and the orifice ring has a first spacing. A cover fastens atop the enclosure, the cover comprising a grill having a plurality of grill members, wherein the grill members are separated by a second spacing, the second spacing being smaller than the first spacing. | 02-04-2016 |
20150377530 | METHOD TO CONTROL ELECTRONIC EXPANSION VALVE - A vapor compression refrigeration cycle system includes a compressor and an electronic expansion valve connected between first and second refrigerant ports of a compressor. An expansion valve controller is configured to control a flow of refrigerant through the expansion valve in response to a superheat temperature of the refrigerant. The controller is configured to execute a first control algorithm until a local maximum of the superheat temperature occurs, and then to execute a second control algorithm. | 12-31-2015 |
20150369510 | DEVICE EMPLOYABLE IN DIFFERENT CIRCUIT CONFIGURATIONS USING PARALLEL WIRING HARNESSES, A HVAC SYSTEM EMPLOYING THE DEVICE AND A METHOD OF MANUFACTURING A HVAC UNIT - A HVAC unit manufacturing method and a HVAC system are disclosed herein. In one embodiment, the HVAC system includes: a controller having control board terminals, a parallel wiring harness having a first and a second connection header, the first connection header coupled to the control board terminals, and a switch having terminals. The terminals of the switch including: a pair of functional terminals configured to indicate a status of the switch and a pair of jumpered terminals independent of the pair of functional terminals and internally connected together within the switch, wherein designated combinations of the terminals indicate a circuit configuration for employing the switch in the HVAC system with each of the terminals having a particular design that dictates a specific corresponding connection header be used for each of the designated combinations, wherein a single one of the designated combinations of the terminals corresponds to the second connection header. | 12-24-2015 |
20150345848 | SYSTEM FOR MANAGING LUBRICANT LEVELS IN TANDEM COMPRESSOR ASSEMBLIES OF AN HVAC SYSTEM - The present invention provides a control system for managing lubricant levels in tandem compressor assemblies of a heating, ventilation, and air conditioning (HVAC) system. In transitioning from a partial load that operates a first compressor but not a second compressor of a tandem assembly to a full load that operates both the first and the second compressor, a controller of the HVAC system turns OFF both compressors of the tandem compressor assembly to allow time for lubricant levels to equalize between the first and the second compressor. | 12-03-2015 |
20150338141 | Tandem Compressor Slide Rail - A system and method are disclosed for compressor units in HVAC systems. A slide plate and slide rail assembly is described that can allow compressors to be slidably removed or adjusted to allow for easy repair or servicing. Instead of disassembling an entire compressor unit when repairs are needed on it or on neighboring components, the compressor unit can be quickly moved. Dual slide rail and slide plate configurations are described as well. | 11-26-2015 |
20150330684 | LIQUID LINE CHARGE COMPENSATOR - An apparatus and method for reducing discharge pressure in a Heating, Ventilating, and Air Conditioning system. The apparatus has a compensator reservoir and a compensator line. The compensator line connects the compensator reservoir and a liquid line. The liquid line connects a condenser and an evaporator. The compensator line has a connection to the compensator reservoir and a connection to the liquid line. In the method, a controller checks for one or more conditions indicating a likelihood of high discharge pressure. The controller finds a condition indicating a likelihood of high discharge pressure. In response to finding the condition, the controller closes a compensator valve after a set amount of time. The controller reopens the compensator valve. | 11-19-2015 |
20150323210 | UNIFORM TEMPERATURE DISTRIBUTION IN SPACE USING A FLUID MIXING DEVICE - A fluid mixing device is configured to operate in response to detected differences in measureable qualities of air within a space. | 11-12-2015 |
20150323209 | DEVICE-ASSISTED SETTINGS ADJUSTMENT FOR HVAC CONTROLLERS - In an embodiment, a method for device-assisted adjustment of a HVAC unit controller is provided. A HVAC unit controller receives a geographical location from a device over a data connection. The HVAC unit controller obtains location-specific setting information. The location-specific setting information is specific to the geographical location. The HVAC unit controller adjusts one or more settings of the HVAC unit controller in accordance with the location-specific setting information. | 11-12-2015 |
20150300744 | Adjustable Multi-Pass Heat Exchanger System - In various implementations, a heat exchanger system may include one or more flow paths. At least one of the flow paths may be associated with more than one pass and/or fluid flow through the flow path may be restricted. A setting of the heat exchanger system may include associations between flow path(s) and/or pass(es). A setting for the heat exchanger system may be determined, and the heat exchanger system may be allowed to operate in the determined setting, in some implementations. | 10-22-2015 |
20150276299 | FAN OPERATION MANAGEMENT - In various implementations, an air conditioner may manage operations of fan(s) of the air conditioner. The air conditioner may determine properties of the air conditioner (e.g., ambient temperature and/or pressure of a portion of the air conditioner) and determine setting(s) for fan(s) and/or a crankcase heater based on the determined properties. | 10-01-2015 |
20150276276 | LOW AMBIENT TEMPERATURE OPERATION MANAGEMENT - In various implementations, an air conditioner may operate in low ambient temperatures. In some implementations, operations of crankcase heater(s) and/or compressor(s) may be managed. For example, the crankcase heater(s) associated with compressors in which operation is restricted may be allowed to operate. In some implementations, operations of compressors may alternate. | 10-01-2015 |
20150276271 | REVERSIBLE HEAT PUMP WITH CYCLE ENCHANCEMENTS - A cycle enhancement apparatus is provided. The apparatus has a first side entrance line and exit line, both connected to a first side of a refrigerant line, and a second side entrance line and exit line, both connected to a second side of the refrigerant line. One-way valves prevent flow through the first side entrance line toward the first side, through the first side exit line away from the first side, through the second side entrance line toward the second side, and through the second side exit line away from the second side. The apparatus has a cycle enhancement line. The cycle enhancement line has an entrance portion, connected to the first side entrance line and the second side entrance line, an exit portion, connected to the first side exit line and the second side exit line, and a cycle enhancement between the entrance portion and the exit portion. | 10-01-2015 |
20150267953 | SYSTEM FOR OPERATING AN HVAC SYSTEM HAVING TANDEM COMPRESSORS - The present invention provides for a system for operating a heating, ventilation, and air conditioning (HVAC) system. A controller operates compressors in tandem connected to an evaporator. In response to detection of a pre-freezing condition of in the coils of the evaporator, the controller adjusts an operating condition of the HVAC system. | 09-24-2015 |
20150267952 | SYSTEM FOR CONTROLLING OPERATION OF AN HVAC SYSTEM HAVING TANDEM COMPRESSORS - The present invention provides for a control system for operating a heating, ventilation, and air conditioning (HVAC) system. A controller operates compressors in tandem. In response to detection of a high pressure condition in refrigerant flowing through a high pressure side of the HVAC system, the controller operates the HVAC system with a first compressor on and a second compressor off. | 09-24-2015 |
20150267951 | VARIABLE REFRIGERANT CHARGE CONTROL - An apparatus and method for adjusting refrigerant charge level are provided. The apparatus has a reservoir, a reservoir line, a reservoir valve, and one or more side valves. The reservoir line connects the reservoir and a liquid line, and has a connection to the liquid line. The liquid line connects an indoor heat exchanger and an outdoor heat exchanger. The reservoir valve is on the reservoir line. The one or more side valves are on the liquid line. In the method, an indicator of effectiveness of a refrigerant-using system is calculated. The indicator is compared to a target indicator of effectiveness. A refrigerant charge level is adjusted to reduce the difference between the indicator and the target indicator. | 09-24-2015 |
20150260458 | Adjustable Multi-Pass Heat Exchanger - In various implementations, an air conditioner may include a heat exchanger having one or more flow paths. At least one of the flow paths may be associated with more than one pass and/or fluid flow through the flow path may be restricted. A setting of the heat exchanger may include associations between flow path(s) and/or pass(es). A setting for the heat exchanger may be determined and the heat exchanger may be allowed to operate in the determined setting, in some implementations. | 09-17-2015 |
20150253050 | A HEAT PUMP SYSTEM HAVING A MAXIMUM PERCENT DEMAND RE-CALCULATION ALGORITHM CONTROLLER - One aspect presents a controller that comprises a control board, a microprocessor located on and electrically coupled to the control board, and a memory coupled to the microprocessor and located on and electrically coupled to the control board. The controller is configured to receive an operating parameter signal and recalculate a first maximum heating % demand to a second maximum heating % demand that is greater than the first maximum heating % demand, when a value of the operating parameter signal exceeds a predetermined value, and operate the HP system based on the second maximum heating % demand. | 09-10-2015 |
20150219405 | CLADDED BRAZED ALLOY TUBE FOR SYSTEM COMPONENTS - A heat exchanger includes at least one hairpin tube and at least one fin. The hairpin tube may be made of metal and may be cladded in a braze alloy. A heat exchanger includes at least one hairpin tube formed by rolling and securing a sheet of a metal into a cylindrical shape, and at least one fin. The hairpin tube may be cladded in a braze alloy and the sheet of metal may include enhancements formed by surface treatment. A method for forming a heat exchanger includes cladding hairpin tubes with a braze alloy, positioning fins to engage the braze alloy and forming a metallurgic bond between the fins and hairpin tubes by heat treating. | 08-06-2015 |
20150219382 | SYSTEMS AND METHODS FOR BALANCING AN HVAC SYSTEM - Systems and methods are disclosed that involve balancing conditioned air delivered to a plurality of zones based on temperature-time profiles for each of the plurality of zones. Wireless temperature sensors may be used to send temperature data to a processing unit to develop the plurality of temperature-time profiles. The temperature-time profiles are analyzed to identify any outliers requiring adjustment of conditioned air to a zone. Adjustments to balance the conditioned air may be made manually or automatically. Other systems and methods are disclosed. | 08-06-2015 |
20150219377 | SYSTEM FOR CONTROLLING OPERATION OF AN HVAC SYSTEM - The present invention provides for a control system for a compressor assembly of an heating, ventilation, and air conditioning (HVAC) system. A control assembly comprises a controller for varying the capacity of a compressor unit of the compressor assembly. The controller determines a first pressure of the compressor unit based on a first operating state of the compressor unit. | 08-06-2015 |
20150219376 | SYSTEMS AND METHODS FOR REFRIGERANT CHARGE DETECTION - Systems and methods are disclosed for detecting a refrigerant charge in a cooling system. The systems and methods involve performing at least a partial pump down of the refrigerant while monitoring one or more metrics. The measured metrics may be compared to a standard in order to determine if a refrigerant leak has occurred or to determine other refrigerant information. Other systems and methods are disclosed. | 08-06-2015 |
20150211777 | ECONOMIZER TARGET TEMPERATURE SHIFT DURING MECHANICAL COOLING - A method and apparatus for cooling a supply of air is provided. A unit controller receives a cooling demand signal. In response to the cooling demand signal, the unit controller adjusts an economizer according to an economizing function. The economizing function is configured to achieve an initial free cooling target temperature as a discharge air temperature. The unit controller receives an additional cooling demand signal. In response to the additional cooling demand signal, the unit controller reduces the free cooling target temperature. The unit controller adjusts the economizer according to the economizing function, with the economizing function configured to achieve the reduced free cooling target temperature as the discharge air temperature. Additionally in response to the additional cooling demand signal, the unit controller signals a unit to perform mechanical cooling on a supply of air received from the economizer. | 07-30-2015 |
20150204568 | DETECTION OF DAMPER MOTOR MECHANICALLY DISCONNECTED FROM DAMPER ASSEMBLY - In an embodiment, a method of testing a HVAC unit for a disconnected damper motor is provided. An outside air section of a damper assembly is closed and air is circulated through the unit. If a discharge air temperature is not substantially equal to a return air temperature, the damper motor is determined to be disconnected. Otherwise, an economizing function having a free cooling target temperature is started. An outside air temperature is compared to the free cooling target temperature. If the outside air temperature is less than the free cooling target temperature, the damper motor is determined to be disconnected if the damper motor has been commanded to fully open the outside air section. If the outside air temperature is not less than the free cooling target temperature, the damper motor is determined to be disconnected if a discharge air temperature is not substantially equal to an outside air temperature. | 07-23-2015 |
20150188243 | CONTROL SIGNAL ROUTING APPARATUS - A disclosed control signal routing apparatus includes a substrate, a routing connector having multiple electrical terminals and multiple portions, and multiple electrical conductors on or in the substrate. The terminals are arranged within a housing cavity. The conductors connect terminals of different portions of the routing connector. Each portion of the routing connector is adapted to receive a plug connector and includes two or more terminals. Another embodiment of the apparatus includes the substrate, multiple routing connectors, and a first and second set of conductor(s) on or in the substrate. Each routing connector includes a first, a second, and a third terminals, and two portions each adapted to receive a plug connector. The first set of conductor(s) connects the first terminals of routing connectors and sequential next routing connectors. The second set of conductor(s) connects third terminals of routing connectors to second terminals of sequential next routing connectors. | 07-02-2015 |
20150179054 | MOBILE DEVICE INTERFACE FOR COMMERCIAL RTU - In an embodiment, a mobile device for operating a HVAC unit is provided. The mobile device is configured to provide a graphical user interface to the HVAC unit. The mobile device is further configured to receive user input for performing a function of the HVAC unit and to instruct the HVAC unit to perform the function. | 06-25-2015 |
20150147703 | BURNER ASSEMBLY - In various implementations, a burner assembly may include a body coupled to burner heads. The body may include one or more converging and/or diverging parts. For example, the body may include a diverging part proximate one or more of the burner heads of the burner assembly. The body may allow a predetermined fuel/air ratio to be provided to the burner head, in some implementations. | 05-28-2015 |
20150147161 | ICE DEFLECTOR FOR A FAN HOUSING - In various implementations, a fan system may include a housing and a fan. The fan may reside in an orifice of the housing. The fan system may include a grate disposed proximate a top surface and an ice deflector. The ice deflector may inhibit ice formation on portions of the housing, orifice, and/or fan residing in the orifice. | 05-28-2015 |
20150147160 | ICE DEFLECTOR FOR A FAN HOUSING - In various implementations, a fan system may include a housing and a fan. The fan may reside in an orifice of the housing. The fan system may include a grate disposed proximate a top surface and an ice deflector. The ice deflector may inhibit ice formation on portions of the housing, orifice, and/or fan residing in the orifice. | 05-28-2015 |
20150143829 | HEAT PUMP SYSTEM HAVING A PRESSURE TRIP SENSOR RECALCULATION ALGORITHM CONTROLLER - One aspect presents an controller that comprises a control board, a microprocessor located on and electrically coupled to the control board, and a memory coupled to the microprocessor and located on and electrically coupled to the control board. The controller is configured to receive a trip signal from a refrigerant high pressure sensor and set a maximum heating % demand of the heat pump system based on the trip signal, recalculate a heating % demand based on at least one of the recalculated heating % demand or the maximum heating % demand. | 05-28-2015 |
20150143825 | DEFROST OPERATION MANAGEMENT - In various implementations, defrost operations may be managed. A change in the temperature of a heat exchanger may be determined. A determination whether to allow a defrost operation may be at least partially based on the determined change in the temperature of the heat exchanger. | 05-28-2015 |
20150139795 | BLOWER ASSEMBLY - In various implementations, a plug fan assembly may include a plug fan housing and a blower wheel. The plug fan housing may include angled corner(s) and/or a flared portion. The plug fan may be utilized in an air conditioning system. | 05-21-2015 |
20150132703 | DOUBLE VENTURI BURNER - In various implementations, a burner may include two venturi inlets coupled to one or more burner heads. The venturi inlets may be opposingly disposed. During use, fuel may be provided to the burner via the two venturi inlets and at least partially combusted proximate the burner heads. | 05-14-2015 |
20150128926 | MULTI-BURNER HEAD ASSEMBLY - In various implementations, a multi-burner head assembly may include a venturi inlet coupled to burner heads. The multi-burner head assembly may allow control of the flame profile generated by the assembly. For example, burner heads of the multi-burner head assembly may include different characteristics, such as height. | 05-14-2015 |
20150114614 | MIXED AIR TEMPERATURE SENSOR BYPASS - In an embodiment, a circuit for providing a mixed air temperature signal is provided. The circuit has a temperature input to an economizer controller, an air temperature sensor, a false air temperature device, and a switching device. The switching device has a switch and a switch actuating device. The switch connects the temperature input to the air temperature sensor when the switch is in a first state. The switch connects the temperature input to the false air temperature device when the switch is in a second state. The switch actuating device places the switch in the first state when a mechanical cooling signal is not sent. The switch actuating device places the switch in the second state when the mechanical cooling signal is sent. | 04-30-2015 |
20150114080 | SYSTEM FOR CALIBRATION OF A COMPRESSOR UNIT IN A HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM - The present invention provides for a system for calibrating operation of a compressor unit in a heating, ventilation, and air conditioning (HVAC) system. A measuring device measures an operating parameter of the HVAC system at a position where the measuring device is mounted on a refrigerant line of the HVAC system. The measuring device switches states when the value of the measured operating parameter reaches a switching value. A controller estimates a value of the first operating parameter at the position where the first measuring device is mounted on the refrigerant line, and the controller determines whether the estimated first operating parameter is within a threshold percentage of the switching value. | 04-30-2015 |
20150107817 | SYSTEMS AND METHODS FOR VENTILATING A BUILDING - Systems and methods are disclosed for ventilating a building using a rooftop heating ventilating and air conditioning system that in one instance involve determining a first outdoor airflow into the system through a barometric relief damper; subtracting the first outdoor airflow from a minimum required outdoor airflow rate to arrive at second outdoor airflow; and setting an outdoor damper to provide an outdoor airflow through the outdoor damper that is greater than or substantially equal to the second outdoor airflow. Other systems and methods are disclosed. | 04-23-2015 |
20150103473 | ELECTRICAL CONTACTOR WITH CONTROL SIGNAL HEADER CONNECTOR - A disclosed electrical contactor may include a line-side electrical terminal, a load-side electrical terminal, a switching element coupled between the line-side and load-side electrical terminals, a control signal connector adapted for receiving and routing a control signal, and a control unit coupled between the control signal connector and the switching element and adapted to receive the control signal from the control signal connector and to enable the switching element in response to the control signal. The control signal connector may include a housing and multiple electrical terminals arranged within a cavity, and may include multiple portions each adapted to receive a plug connector. The switching element may be configured to electrically connect the line-side and load-side electrical terminals when enabled. The line-side terminal may be adapted for connection to an electrical conductor carrying an electrical voltage, and the load-side electrical terminal may be adapted for connection to an electrical load. | 04-16-2015 |
20150096621 | SYSTEM FOR HEATING A COMPRESSOR ASSEMBLY IN AN HVAC SYSTEM - The present invention provides a system for heating a compressor assembly of a heating, ventilation, and air conditioning (HVAC) system. The system comprises a heat source for transferring thermal energy to a plurality of compressor units. A controller varies the thermal energy transferred to the compressor units, between at least two substantially non-zero rates of transfer of thermal energy, in a plurality of modes of operation of the HVAC system. | 04-09-2015 |
20150093293 | SYSTEM FOR PURIFYING AIR HAVING A CATALYST FILTER - The present invention provides for a filter system having a catalyst filter configured for placement in a filter housing. The catalyst filter has a first band and a second band of material. Each band has a length of material extending in a longitudinal direction. Each band has a first wall and a second wall, each wall facing in an opposite direction from the other wall. A portion of each first wall is coated with a catalyst material, which receives light emitted by a light source to break down contaminants passing in air through the housing and over the catalyst material. Each of the first and second bands extends continuously along its longitudinal axis traversing the catalyst filter without being intersected by other structure of the catalyst filter. The first and second bands of material diverge relative to each other across the catalyst filter. The first wall of each band is optically exposed to light from the light source. Such light from a light source at least partially disposed to emit light between the first and second bands of material is received on the catalyst material of the first walls of both the first and second bands of material without being at least partially blocked by one of the first and second bands or other structure of the catalyst filter. | 04-02-2015 |
20150089966 | USING WEATHER DATA IN HEAT PUMP DEFROST CONTROL - A method of operating a heat pump system is provided, the heat pump system having at least a controller and configured to operate at least two defrost cycles. The method comprises receiving, at the controller, weather data for a defined geographic area proximate to an installed location of the heat pump system; and selecting, based on said weather data, one of the at least two defrost cycles. | 04-02-2015 |
20150052937 | CHARGE MANAGEMENT FOR AIR CONDITIONING - In various implementations, an air conditioning system may automatically adjust an amount of refrigerant using an accumulator. The air conditioning system may operate in at least two operation modes including a cooling operation and a reheat operation. The amount of refrigerant allowed to flow to a condenser of the system may be based at least partially on the operating mode of the air conditioning system. | 02-26-2015 |
20150047375 | DEFROST OPERATION MANAGEMENT IN HEAT PUMPS - In various implementations, a heat pump may include heating operations and defrost operations. The heat pump may monitor cycle time(s) for one or more of the operations. Defrost operation(s) in the heat pump may be automatically adjusted based at least partially on cycle times. | 02-19-2015 |
20150044910 | ELECTRICAL CONTACTOR WITH HEADER CONNECTORS - A disclosed electrical contactor may include a line-side electrical terminal adapted for connection to an electrical conductor carrying an electrical voltage, multiple load-side connectors each having a housing and multiple electrical terminals arranged within a cavity of the housing, a switching element, and a control unit. Each of the load-side connectors is adapted to receive a plug connector. The switching element electrically connects the line-side electrical terminal to electrical terminal(s) of at least one of the load-side connectors when enabled. The control unit enables the switching element in response to a control signal. Each of the load devices may have a plug connector, and each of the load-side connectors may be mechanically coded to receive the plug connector of a corresponding load device. An electrical configuration of electrical terminals of a line-side connector may allow a crankcase heater, or a crankcase heater with thermostat, to receive electrical power. | 02-12-2015 |
20150035382 | ELECTRICAL RELAY WITH HEADER CONNECTORS - A disclosed electrical relay may include a line electrical terminal adapted for connection to an electrical conductor carrying an electrical voltage, a normally-closed connector and a normally-open connector each having a housing and multiple electrical terminals arranged within a cavity of the housing, and a switching element. The switching element is configured to electrically connect the line electrical terminal to at least one of the electrical terminals of the normally-closed connector when not enabled, and to electrically connect the line electrical terminal to at least one of the electrical terminals of the normally-open connector when enabled. The normally-closed connector and the normally-open connector may be tab header connectors, and may be adapted to receive plug connectors of different devices. The electrical relay may include two normally-open connectors each having three electrical terminals, where corresponding electrical terminals of the normally-open connectors are electrically connected to one another. | 02-05-2015 |
20140369894 | AIR FILTRATION MEDIA FOR AIR PURIFICATION - An air filtration media for use with a heating ventilation and air condition (HVAC) system is provided. The filtration media comprises an air filter media layer having a first and second side, a PCO media layer having a first and second side, and a barrier layer positioned between the second side of the air filter media layer and the first side of the PCO media layer. The air filter media layer, barrier layer, and PCO layer are pleated together and enclosed within a frame for placement adjacent a light source within a plenum of the HVAC system. | 12-18-2014 |
20140367079 | EXTERNAL BODY TEMPERATURE SENSOR FOR USE WITH A HVAC SYSTEM - A HVAC system is provided. In one embodiment, the HVAC system includes (1) a sensor being configured to measure a body condition of a user and having a transmitter configured to wirelessly transmit body condition information, and (2) a HVAC controller having a receiver configured to receive the body condition information and being configured to adjust a current conditioning set point of the HVAC system to a temporary conditioning set point based on the body condition information. | 12-18-2014 |
20140352340 | HEAT PUMP SYSTEM HAVING AN ENHANCED COMFORT MODE - One aspect presents an enhanced comfort controller that comprises a control board, a microprocessor located on and electrically coupled to the control board, and a memory coupled to the microprocessor and located on and electrically coupled to the control board. The enhanced comfort controller has an enhanced comfort program stored thereon that is configured to cause an indoor blower/heat exchange (ID) system of a heat pump to output an enhanced airflow rate of the ID system in response to an outdoor ambient temperature data. | 12-04-2014 |
20140314562 | FAN SYSTEMS - A fan system may generate an air flow during use. In various implementations, a fan system may include a fan and an orifice. The orifice may include a converging section, a diverging section, and a minimum radius section disposed between the converging section and the diverging section. | 10-23-2014 |
20140207291 | USER INTERFACE SCREENS FOR ZONED HVAC SYSTEMS, A CONTROLLER EMPLOYING THE SCREENS AND A METHOD OF OPERATING A ZONED HVAC SYSTEM - A controller for a zoned HVAC system and interface screens for controlling a zoned HVAC system are disclosed herein. In one embodiment, the controller includes: (1) a processor configured to direct operation of the HVAC system according to operating data for zones thereof and (2) a display configured to provide a zone dashboard screen including a zone information area for each of the zones, wherein each the zone information area has a defined shape and is configured to provide operating data for a single one of the zones and receive a user input that selects the single one of the zones for the processor to control. | 07-24-2014 |
20140207289 | HVAC SYSTEM CONFIGURED BASED ON ATMOSPHERIC DATA, AN INTERFACE FOR RECEIVING THE ATMOSPHERIC DATA AND A CONTROLLER CONFIGURED TO SETUP THE HVAC SYSTEM BASED ON THE ATMOSPHERIC DATA - A HVAC system that employs atmospheric data, a controller for an HVAC system and a graphical user interface that receives atmospheric data are provided is disclosed. In one embodiment the HVAC system includes: (1) an interface that receives atmospheric data for an installed location of the HVAC system and (2) a controller that configures the HVAC system based on the atmospheric data. | 07-24-2014 |
20140165991 | BURNER ASSEMBLY FOR A HEATING FURNACE - A burner assembly for a fuel-fired heating furnace. The assembly comprises a burner body having an inlet opening to receive fuel delivered by a fuel control module, and, to receive an ambient source of primary air there-through. The furnace also comprises one or more burner heads connected to a common outlet opening of the burner body to receive a mixture of the fuel and the primary air. | 06-19-2014 |
20140165990 | STRAIN REDUCTION CLAMSHELL HEAT EXCHANGER DESIGN - One aspect of this disclosure provides a heating chamber for a gas furnace that comprises opposing halves joined together. The joined opposing halves form a clamshell panel having at least one truncated corner located adjacent a curve located at a back end of a chamber path of the one or more clamshell heating chambers. | 06-19-2014 |
20140158115 | VELOCITY ZONING HEAT EXCHANGER AIR BAFFLE - One aspect of this disclosure provides a zoning baffle for a gas furnace. This embodiment comprises a housing, a primary heating zone located in the housing and comprising one or more heating chambers. A blower having an exhaust opening is located adjacent the primary heating zone and is positioned to force air through the primary heating zone. A zoning baffle is located between the blower and the primary heating zone. The zoning baffle comprises spaced apart baffles oriented substantially parallel with the one or more heating chambers. A method of manufacturing a gas furnace is also provided. | 06-12-2014 |
20140150775 | FINGER AIR BAFFLE FOR HIGH EFFICENCY FURNACE - One aspect of this disclosure provides a finger baffle for a heating furnace. This embodiment includes an elongated support plate having a length, and at least one finger baffle extending outwardly and in a vertically oriented direction from the elongated support plate. The at least one finger baffle has a width that extends along the length of the elongated support plate. The finger baffle may be employed in a high-efficiency gas furnace. | 06-05-2014 |
20140134009 | TUNABLE VIBRATION AND ACOUSTIC NOISE SUPPRESSION IN AN AIR-MOVER ASSEMBLY - A mounting assembly comprising a rigid connector structure configured to attach an air-regulating plate of an air-mover unit to an enclosure of the air-mover unit, wherein the air-regulating plate is in an air-flow pathway of air-moving elements of the air-mover unit. The assembly also comprises a flexible connector structure, wherein at least part of the flexible connector structure is held in-between a plate-mounting portion of the air-regulating plate and an enclosure-mounting portion of the enclosure by the rigid connector structure. | 05-15-2014 |
20140123695 | SYSTEM FOR GENERATING ELECTRICAL ENERGY FROM WASTE ENERGY - A power-generating system comprising an energy-converting module that converts non-electrical waste energy generated by one or more components of an HVAC system into electrical energy, and, a control module that directs the electrical energy to one or more electricity-consuming components of the HVAC system. | 05-08-2014 |
20140110892 | MOTOR MOUNTING ASSEMBLY WITH TUNABLE VIBRATION AND NOISE REDUCTION CAPABILITIES - A mounting assembly comprising an inner mounting sleeve having a cylindrical shank, wherein an end of the mounting sleeve is configured to be mounted to a support structure of a motorized device. The assembly comprises an inner grommet having a cylindrical shank, an axial opening of the inner grommet shank configured to accommodate the mounting sleeve shank there-through. The assembly comprises an outer ring sleeve having a cylindrical shank, the outer ring sleeve disposed around a portion of the inner grommet shank, the outer ring sleeve shank configured to accommodate an eyelet of a mounting arm there-around. The assembly comprises an outer grommet having a cylindrical shank, an axial opening of the outer grommet shank configured to accommodate the inner grommet shank there-in. | 04-24-2014 |
20140104760 | PREMISES POWER SOURCE ACCESSORY PANEL FOR AN OUTDOOR UNIT AND METHOD OF ADAPTING AN OUTDOOR UNIT WITH THE SAME - An outdoor unit of an HVAC system comprises a frame, at least one refrigerant coil mounted to the frame, a fan motor, a compressor, a controller, and a premises power source accessory panel. The fan motor is coupled to a fan which drives air through the refrigerant coil. The compressor is coupled to the refrigerant coil to drive refrigerant therethrough. The controller is coupled to the fan motor and compressor. The premises power source accessory panel is removably coupled to the frame and includes a bracket and circuit protection element. The bracket has at least one electrical conduit aperture. The circuit protection element is mounted to the bracket and coupleable to a premises power source. The premises power source is a renewable-energy power source located on a premises of the HVAC system. The bracket is removably coupleable to the outdoor unit in lieu of a conventional electrical conduit panel. | 04-17-2014 |
20140061322 | FURNACE CONTROLLER AND A FURNACE THAT CONTROLS A GAS INPUT RATE TO MAINTAIN A DISCHARGE AIR TEMPERATURE - Provided herein are embodiments of a multistage gas furnace, a controller therefor and a computer-usable medium having non-transitory computer readable instructions stored thereon for execution by a processor to perform a method for operating a gas furnace. In one embodiment, the gas furnace includes: (1) a burner, (2) a circulation fan and (3) a furnace controller. The furnace controller having: (3A) an interface configured to receive heating calls and a blower control signal, the blower control signal corresponding to an operating speed of the circulation fan and (3B) a processor configured to respond to the heating calls and the blower control signal by setting and adjusting a gas input rate for the burner that is based on the blower control signal and that corresponds to a discharge air temperature determined by a dedicated discharge air sensor associated with the furnace. | 03-06-2014 |
20140041401 | DEHUMIDIFICATION USING INTERMITTENT VENTILATION - Systems and methods for dehumidifying and conditioning air for a commercial building are presented. In one instance, a system involves ventilating a building at a rate higher than the required outdoor airflow rate in order to compensate for the fan being turned off when the compressor is off. Other systems and methods are presented. | 02-13-2014 |
20140032157 | PROGRAMMED TRIGGERING OF DIAGNOSTICS FOR A SPACE CONDITIONING SYSTEM - A method of performing method of performing a diagnostic testing procedure on a space-conditioning system, comprising running a triggering module. Running the triggering module includes reading a database of triggering rules in the triggering module of the space-conditioning system, checking the database to determine if any of the triggering rules are satisfied. Running the triggering module includes also includes setting an output state of the triggering module equal to true, if at least one of the triggering rules is satisfied, or, setting the output state of the triggering module equal to false, if none of the triggering rules are satisfied. Running the triggering module further includes communicating the output state to a diagnostic control module of the space-conditioning system. | 01-30-2014 |
20140030662 | COMBUSTION ACOUSTIC NOISE PREVENTION IN A HEATING FURNACE - A control module for preventing acoustic resonance noise generation from a heat exchanger of a heating furnace, comprising a control signal generated by the control module. The control signal is configured to operate an induction fan of the heating furnace at more than one speed for a given heat demand mode of the heating furnace. | 01-30-2014 |
20130282186 | HVAC SYSTEM HAVING A DIAGNOSTICS CONTROLLER ASSOCIATED THEREWITH - In one aspect, the present disclosure provides a controller for a HVAC system having an economizer with a damper and pressure sensors on opposing sides of the economizer. The controller comprise a diagnostics controller having a program configured to use pressure difference sensor data to determine if a pressure difference across the economizer is outside an operational design parameter of the HVAC system, and generate an error signal when the pressure difference is outside the operational design parameter. | 10-24-2013 |
20130261806 | HEATING, VENTILATION AND AIR CONDITIONING SYSTEM USER INTERFACE HAVING ACCURIZED TEMPERATURE SENSOR CONFIGURATION AND METHOD OF OPERATION THEREOF - A user interface for use with an HVAC system, a method of providing temperature data of increased accuracy with a user interface of an HVAC system and an HVAC system incorporating the user interface or the method. In one embodiment, the user interface includes: (1) a case, (2) a backlit display configured to provide information to a user, (3) a processor and memory coupled to the backlit display and configured to drive the backlit display and (4) a temperature sensor thermally isolated from the backlit display and associated with the case. | 10-03-2013 |
20130247604 | REVERSING VALVE - A reversing valve comprising a valve body having an internal cavity therein and an input port, output port and first and second reversing ports. A baffle is located within the internal cavity and is configured to rotate around a pivot point within the internal cavity. At least one electromagnet is coupled to the valve body. The electromagnet is configured to cause the baffle to rotate in one of the clockwise direction or counter-clock wise direction when a voltage is applied to the electromagnet. | 09-26-2013 |
20130166075 | UNIFORM HVAC COMFORT ACROSS MULTIPLE SYSTEMS - Various embodiments provide an HVAC system that includes first and second controllers. The first controller is configured to control a first demand unit to maintain a setpoint temperature of a first portion of a conditioned space. A second HVAC controller is configured to control a second demand unit to maintain a setpoint temperature of a second portion of the conditioned space. The control provided by the second controller is dependent on a load metric of the first demand unit. | 06-27-2013 |
20130166073 | METHOD FOR DETECTING PHYSICAL PRESENCE OF A SPECIFIC INDIVIDUAL TO CONTROL HVAC SETTINGS - A heating, ventilation and air-conditioning system includes a system controller configured to control the operation of a demand unit to maintain an environmental set point of a control zone. The system controller is further configured to control the demand unit in response to a location signal received from a location-reporting device. | 06-27-2013 |
20130166051 | HVAC UNIT WITH AUDIO MONITORING, A METHOD OF AUDIO MONITORING EVENTS OF AN HVAC UNIT AND A CONTROLLER CONFIGURED TO PERFORM THE METHOD OF AUDIO MONITORING - Disclosed herein are a heating, ventilating, and air conditioning (HVAC) unit and a HVAC controller. Additionally, a computer program product is disclosed. In one embodiment, the HVAC controller includes: (1) an interface configured to receive audio data from a listening system of the HVAC unit and (2) a mechanical behavior evaluator coupled to the interface and configured to verify occurrence of an event of the HVAC unit based on the audio data. | 06-27-2013 |
20130161403 | HVAC SYSTEM, A CONTROLLER THEREFOR AND A METHOD OF MEASURING AND MANAGING VENTILATION AIRFLOW OF AN HVAC SYSTEM - A controller, an HVAC system employing the controller and a computer programmable product to implement a method of measuring and managing ventilation airflow of an HVAC system is disclosed. In one embodiment, the controller includes: ( | 06-27-2013 |
20130160474 | METHOD TO CONTROL ELECTRONIC EXPANSION VALVE - A vapor compression refrigeration cycle system includes a compressor and an electronic expansion valve connected between first and second refrigerant ports of a compressor. An expansion valve controller is configured to control a flow of refrigerant through the expansion valve in response to a superheat temperature of the refrigerant. The controller is configured to execute a first control algorithm until a local maximum of the superheat temperature occurs, and then to execute a second control algorithm. | 06-27-2013 |
20130151018 | HEATING, VENTILATION AND AIR CONDITIONING SYSTEM USER INTERFACE HAVING REMOTE PLATFORM ACCESS APPLICATION ASSOCIATED THEREWITH AND METHOD OF OPERATION THEREOF - An HVAC system and a method of communicating with an HVAC system. In one embodiment, the HVAC system includes: (1) a user interface having a touchpad configured to accept input from a user and a display configured to provide information to the user via a plurality of screens arranged in a screen structure, (2) an application executable on a general-purpose computer and configured to cause the general-purpose computer to display substantially similar counterparts of the screens arranged in the screen structure and (3) a receiver configured to communicate with the general-purpose computer. | 06-13-2013 |
20130151016 | HEATING, VENTILATION AND AIR CONDITIONING SYSTEM USER INTERFACE HAVING A ONE-TOUCH AWAY FEATURE AND METHOD OF OPERATION THEREOF - A user interface for use with an HVAC system, a method of controlling an HVAC system and an HVAC system incorporating the user interface or the method. In one embodiment, the user interface includes: (1) a display configured to provide information to a user, (2) a touchpad configured to accept input from the user and (3) a processor and memory coupled to the display and the touchpad and configured to drive the display and process the input, the display further configured to display a most-often displayed screen including a one-touch away button and place the HVAC system into an energy-saving operating mode based on a single press of the one-touch away button. | 06-13-2013 |
20130151015 | HEATING, VENTILATION AND AIR CONDITIONING SYSTEM USER INTERFACE HAVING SEASONAL PROGRAMS AND METHOD OF OPERATION THEREOF - A user interface for use with an HVAC system, a method of providing service reminders on a single screen of a user interface of an HVAC system and an HVAC system incorporating the user interface or the method. In one embodiment, the user interface includes: ( | 06-13-2013 |
20130147812 | HEATING, VENTILATION AND AIR CONDITIONING SYSTEM USER INTERFACE HAVING PROPORTIONAL ANIMATION GRAPHICS AND METHOD OF OPERATION THEREOF - A user interface for use with an HVAC system, a method of providing service reminders on a single screen of a user interface of an HVAC system and an HVAC system incorporating the user interface or the method. In one embodiment, the user interface includes: (1) a display configured to provide information to a user, (2) a touchpad configured to accept input from the user and (3) a processor and memory coupled to the display and the touchpad and configured to drive the display, the display further configured to display proportional animation graphics corresponding to attributes of the HVAC system. | 06-13-2013 |
20130145784 | HEATING, VENTILATION AND AIR CONDITIONING SYSTEM USER INTERFACE HAVING SERVICE REMINDERS ON A SINGLE SCREEN AND METHOD OF OPERATION THEREOF - A user interface for use with an HVAC system, a method of providing service reminders on a single screen of a user interface of an HVAC system and an HVAC system incorporating the user interface or the method. In one embodiment, the user interface includes: (1) a display configured to provide information to a user, (2) a touchpad configured to accept input from the user and (3) a processor and memory coupled to the display and the touchpad and configured to drive the display, the display further configured to display a screen with a layout containing multiple service reminders pertaining to the HVAC system. | 06-13-2013 |
20130138250 | INTELLIGENT COMFORT MANAGEMENT USING NATURAL LANGUAGE PROCESSING TO INTERFACE WITH A COMFORT SYSTEM CONTROLLER - Advantageously employing natural language processing for operating comfort systems is disclosed herein. A method of operating a comfort system for an enclosed space, a management system and a HVAC apparatus are provided. In one embodiment, the method includes: ( | 05-30-2013 |
20130124111 | SYSTEM AND METHOD FOR MONITORING AND REPORTING ENERGY RECOVERY VENTILATOR STATUS - An energy recovery ventilator (ERV) monitoring and reporting system and a method of monitoring and reporting information on an ERV. In one embodiment, the system includes: (1) a processor configured to carry out a plurality of monitoring and reporting functions on the ERV based on a model, and types and locations of sensors, of the ERV, (2) a memory coupled to the processor and configured to store data gathered from the sensors and (3) a commissioning database associated with the memory and configured to contain commissioning data regarding the model of the ERV. | 05-16-2013 |
20130116951 | SYSTEM AND METHOD FOR MONITORING AND REPORTING ENERGY RECOVERY VENTILATOR POWER CONSUMPTION AND SERVICE AND MAINTENANCE NEEDS - A system for, and method of, monitoring and reporting ERV power consumption and service and maintenance needs. In one embodiment, the system includes: (1) a processor configured to carry out a plurality of monitoring and reporting functions related to ERV power consumption and service and maintenance needs based on a model, and types and locations of sensors, of the ERV, (2) a memory coupled to the processor and configured to store data gathered from the sensors and (3) a commissioning database associated with the memory and configured to contain commissioning data regarding the model of the ERV and the service and maintenance needs. | 05-09-2013 |
20130095744 | SENSOR MOUNTING PANEL FOR AN ENERGY RECOVERY VENTILATOR UNIT - An energy recovery ventilator unit. The unit comprises a sensor mounting panel removably coupled to an outer surface of a cabinet, wherein the sensor mounting panel is configured to hold a plurality of sensors configured to measure the atmospheric environment inside of one or more of an intake zone, a supply zone, or a return zone housed inside of the cabinet. | 04-18-2013 |
20130092345 | LAYOUT FOR AN ENERGY RECOVERY VENTILATOR SYSTEM - An energy recovery ventilator unit. The unit comprises a cabinet housing a primary intake zone, a supply zone, a return zone, an exhaust zone and an enthalpy-exchange zone. The primary intake zone and the exhaust zone are both on one side of the enthalpy exchange zone. The supply zone and the return zone are both on an opposite side of the enthalpy exchange zone. The unit also comprises first and second blowers. The first blower is located in the primary intake zone and configured to push outside air into the primary intake zone and straight through the enthalpy exchange zone into the supply zone. The second blower is located in the return zone and configured to push return air into the return zone and straight through the enthalpy exchange zone into the exhaust zone. | 04-18-2013 |
20130091883 | CONTROLLER, METHOD OF OPERATING A WATER SOURCE HEAT PUMP AND A WATER SOURCE HEAT PUMP - A controller, a water source heat pump and a computer useable medium are disclosed herein. In one embodiment the controller includes: (1) an interface configured to receive operating data and monitoring data from the water source heat pump and transmit control signals to components of thereof and (2) a processor configured to respond to the operating data or the monitoring data by operating at least one motor-operated valve of the water source heat pump via a control signal. | 04-18-2013 |
20130090935 | DISTRIBUTED RENEWABLE ENERGY METERING - A distributed renewable energy system includes a renewable energy generating module having an array of renewable energy generators connected to a population of distributed power inverters. The distributed renewable energy system also includes a distributed energy metering module having a data aggregating unit that receives output energy data from the population of distributed power inverters and a data processing unit that calculates a revenue grade output energy from the output energy data based on a tolerance probability characteristic of the output energy data. The distributed renewable energy system additionally includes a distributed energy reporting module that reports the revenue grade output energy. A method of measuring distributed renewable energy is also provided. | 04-11-2013 |
20130090769 | METHODS OF OPERATING AN HVAC SYSTEM, AN HVAC SYSTEM AND A CONTROLLER THEREFOR EMPLOYING A SELF-CHECK SCHEME AND PREDETERMINED OPERATING PROCEDURES ASSOCIATED WITH OPERATING UNITS OF AN HVAC SYSTEM - In one aspect, a controller for an HVAC system is disclosed. In one embodiment, the controller includes: (1) an interface configured to receive feedback data from operating units of the HVAC system and transmit control data to the operating units, (2) an operation verifier configured to determine an individual operating status for each one of the operating units based on the feedback data and (3) a mode setter configured to distinctly operate each one in a predetermined operating procedure based on the determined operating status for each one. | 04-11-2013 |
20130090051 | ERV GLOBAL PRESSURE DEMAND CONTOL VENTILATION MODE - An energy recovery ventilator includes first and second blowers, a pressure transducer and a controller. The first blower is configured to direct a first air stream into a first zone of an enclosure. A second blower configured to direct a second air stream into a second zone of the enclosure. A pressure transducer is configured to determine internal air pressure within the enclosure. A controller is configured to control the first blower and/or the second blower in response to the internal air pressure. | 04-11-2013 |
20130087630 | HVAC PERSONAL COMFORT CONTROL - A heating ventilation and cooling system includes a cooling source and/or a heating source, and a controller. The cooling and/or heating sources are configured to respectively cool and heat an enclosed space. The controller is configured to receive an apparent temperature set point. The controller is further configure to operate the cooling and/or heating sources to maintain an absolute air temperature that is different from the apparent temperature set point. | 04-11-2013 |
20130087319 | AUTOMATIC VARIABLE SPEED MOTOR DRIVE BYPASS - An HVAC system includes a blower motor and a variable speed motor drive. The variable speed motor drive is configured to receive line power and provide modulated power to the motor. The blower motor is configured to produce airflow in response to the modulated power. A unit controller is configured to bypass the variable speed motor drive to provide the line power directly to the blower motor in the event that a measured airflow is less than a predetermined value. | 04-11-2013 |
20130087302 | DETECTING AND CORRECTING ENTHALPY WHEEL FAILURE MODES - A heating ventilation and cooling system includes an energy recovery ventilator (ERV). The ERV is configured to produce an inlet airstream and an exhaust airstream. An enthalpy wheel within the energy recovery ventilator is operable to transport heat between the inlet and exhaust airstreams. A pressure transducer is configured to determine a backpressure across the enthalpy wheel. A controller is configured to determine, in response to the backpressure, an operational characteristic of the enthalpy wheel. | 04-11-2013 |
20130075062 | AIR CHANNELING BAFFLE FOR A FURNACE HEAT EXCHANGER - An air-channeling baffle for a heat exchanger unit. The air-channeling baffle comprises a body having a long dimension and a short dimension that define a surface and an attachment structure coupled to the body. The attachment structure is configured to locate the body in a heat exchanger unit such that an incoming air flow reflected off of the surface and passes over ends of the long dimension towards terminally-located heat conduction tubes of the heat exchanger unit. | 03-28-2013 |
20130074534 | MULTI-STAGED WATER MANIFOLD SYSTEM FOR A WATER SOURCE HEAT PUMP - One aspect, as provided herein, is directed to a multi-stage fluid control system for a fluid source heat pump system. This embodiment comprises compressors configured to operate as separate, heat exchange stages, condensers each being fluidly coupled to at least one of the compressors by refrigerant tubing and having intake ends coupled together by a fluid intake manifold. This embodiment further includes output conduits coupled to each of the condensers and that are couplable to a distal location. Further included is a modulating valve control system interposed the output conduits. The modulating valve control system is configured to stage a flow of fluid through the condensers based on a number of operating compressors. | 03-28-2013 |
20120303165 | CONTROL SYSTEM AND METHOD FOR BOTH ENERGY SAVING AND COMFORT CONTROL IN AN AIR CONDITIONING SYSTEM - A control system and method for controlling both temperature and humidity in an air conditioning system having a variable-speed compressor and a variable-speed indoor blower. In one embodiment, the control system includes: (1) a temperature control loop in which a target speed of the compressor is determined based on sensed and setpoint temperatures and (2) a humidity control loop, located in the temperature control loop, in which a target speed of the indoor blower is determined based on sensed and setpoint humidities, the target speed of the compressor employable to control the compressor and the target speed of the indoor blower employable to control the indoor blower of the air conditioning system. | 11-29-2012 |
20120290138 | SYSTEM AND METHOD FOR AUTOMATICALLY PROGRAMMING HVAC SYSTEM TEMPERATURE ADJUSTMENT TIMES - A programmable HVAC controller, a method of automatically programming HVAC system temperature adjustment times and an HVAC system incorporating the system or the method. In one embodiment, the programmable HVAC controller includes: (1) a memory subsystem, (2) a communication subsystem configured to receive a wake-up alarm time and (3) a processing subsystem coupled to the memory and communication subsystems and configured to: (3a) set a “sleep” temperature adjustment time based on a time the wake-up alarm time is received and (3b) set a “wake” temperature adjustment time based on the wake-up alarm time. | 11-15-2012 |
20120170174 | DEVICE EMPLOYABLE IN DIFFERENT CIRCUIT CONFIGURATIONS USING PARALLEL WIRING HARNESSES, A HVAC SYSTEM EMPLOYING THE DEVICE AND A METHOD OF MANUFACTURING A HVAC SYSTEM - An electrical device, a method of manufacturing a HVAC unit and a HVAC unit employing the electrical device are disclosed herein. In one embodiment, the electrical device includes: (1) a contact configured to indicate a status of the electrical device and (2) terminals configured to terminate connections, the terminals having: (2A) a pair of functional terminals internally connected across the contact and (2B) a pair of jumpered terminals independent of the pair of functional terminals and internally connected together. Designated combinations of the terminals indicate a circuit configuration for the electrical device with each of the terminals having a particular design that dictates a specific corresponding connection header be used for each of the designated combinations. | 07-05-2012 |
20120158932 | COMMUNICATIONS SYSTEM, A HVAC SYSTEM EMPLOYING THE SAME AND A METHOD OF MANUFACTURING A COMPONENT FOR THE HVAC SYSTEM - A communications network, a HVAC system employing a communications system and a method of manufacturing a component for the HVAC system are disclosed. In one embodiment, the communications network includes: (1) a dominant node having a predetermined coupling impedance and (2) a plurality of end nodes coupled to the dominant node, each of the plurality having an end node coupling impedance, wherein a total of each the end node coupling impedance and the predetermined coupling impedance is substantially a defined maximum loading impedance for the communication network. | 06-21-2012 |
20120153725 | PRIORITY-BASED ENERGY MANAGEMENT - A system for controlling operation of a plurality of appliances includes first and second appliances. The first appliance is configured to report a power consumption via a network. A second appliance is configured to operate dependent on the power consumption reported by the first appliance. | 06-21-2012 |
20120134857 | SYNCHRONOUS AIR BLOWER HAVING A PERMANENT MAGNET MOTOR AND A HVAC SYSTEM EMPLOYING THE SAME - A synchronous air blower, a HVAC system and a HVAC rooftop unit is disclosed. In one embodiment, the synchronous air blower includes: (1) a permanent magnet motor having a motor shaft with a first cogged sprocket attached thereto, (3) a fan having a fan shaft with a second cogged sprocket attached thereto and (4) a synchronous belt coupled to the motor shaft and the fan shaft via the first and second cogged sprockets, the synchronous belt having teeth configured to mate with the first cogged sprocket and the second cogged sprocket. | 05-31-2012 |
20120131944 | AIR MOVING UNIT AND A HVAC SYSTEM EMPLOYING THE SAME - An air moving unit, an HVAC system and an enclosed plug fan unit are disclosed. In one embodiment, the air moving unit includes: (1) a plug fan with a blower wheel and (2) a circulation enclosure. The circulation enclosure includes: (2A) a back side and (2B) a front side having an inlet orifice corresponding to an intake area of the plug fan, the front side coupled to top, left and right sides that extend therefrom to the back side to form the circulation enclosure, wherein the blower wheel is located within the circulation enclosure and the plug fan is mechanically coupled to at least one side thereof. | 05-31-2012 |
20120085113 | FAN MOTOR CONTROLLER FOR USE IN AN AIR CONDITIONING SYSTEM - One aspect of the disclosure provides an air conditioning system. The air conditioning system, in this embodiment, includes an exterior housing, and a motor having fan blades rotatably coupled thereto located within the exterior housing. The air conditioning system, in this embodiment, further includes a controller coupled to the motor and configured to rotate the fan blades based upon climate conditions proximate the exterior housing. | 04-12-2012 |
20120060523 | EVAPORATOR COIL STAGING AND CONTROL FOR A MULTI-STAGED SPACE CONDITIONING SYSTEM - A space conditioning system comprising an evaporator subunit (ES) and control subunit (CS). The ES includes at least three evaporator stages in a pathway of air flow through the ES. First and second stages are adjacent and have major surfaces substantially parallel to each other. A third stage is located in the pathway before the first stage. A major surface of the third stage covers the major surface of the first stage in a same pathway direction. The major surfaces are substantially perpendicular to the pathway. The CS is configured to operate the evaporator subunit in at least one of two partial load cooling modes. In a first mode, the CS causes refrigerant to circulate through the first and second but not through the third stage. In a second mode, the control subunit causes the refrigerant to circulate through the first and third stage but not through the second stage. | 03-15-2012 |
20120046797 | PEAK LOAD OPTIMIZATION USING COMMUNICATING HVAC SYSTEMS - An HVAC system includes a first and a second electric motor. A load manager is coupled to the first electric motor. The load manager is configured to prevent the first electric motor from operating simultaneously with said second electric motor. | 02-23-2012 |
20110308883 | ACOUSTIC NOISE CONTROL IN HEATING OR COOLING SYSTEMS - A heating or cooling system comprising a powered fan held in a duct assembly. The powered fan generates acoustic noise when blowing air. The system also comprises an acoustic wave modulator held in the duct assembly. The acoustic wave modulator has one or more fins and is configured to reduce turbulence of the air traveling through the duct assembly. | 12-22-2011 |
20110193246 | WATER DISTRIBUTION TRAY - A water distribution tray having an improvement comprising a first downwardly inclined surface therein commencing at a base of a water impingement pedestal within a first of a plurality of channels and ending at a corresponding first of a plurality of discharge apertures, wherein the first downwardly inclined surface has a first declension angle associated therewith, and a second downwardly inclined surface commencing at the base within a second of the plurality of channels and ending at a corresponding second of the plurality of discharge apertures, wherein the second downwardly inclined surface has a second declension angle associated therewith different from the first declension angle. A method of manufacturing is also provided. | 08-11-2011 |
20110174891 | FURNACE BURNER BOX - An HVAC burner box includes a burner bank, a manifold and an air director located within an enclosure. The burner bank is oriented such that an outlet end of the burner bank is directed toward a first end of the enclosure. The manifold is located within the enclosure and adjacent an inlet end of the burner bank. The air director has a diffuser that is coupled to a side of the enclosure. The diffuser includes a plurality of openings located therethrough. The diffuser is configured to direct a first portion of a received airstream through the opening and toward the burner bank. The diffuser is further configured to send a second portion of the received airstream toward the manifold. | 07-21-2011 |
20110174302 | HEAT EXCHANGER EXPANDED OVERLAP JOINT - A furnace heat exchanger assembly includes first and second heat exchanger halves. The first heat exchanger half includes a first half of an exhaust channel and an inner joint flange half at an end thereof. The second heat exchanger half includes a second half of the exhaust channel and an outer joint flange half at an end thereof having first and second capturing tabs. The first and second heat exchanger halves are coupled together such that the first and second capturing tabs substantially overlap the inner joint flange half to form a joint flange. | 07-21-2011 |
20110174291 | CLAMSHELL HEAT EXCHANGER - A clamshell heat exchanger includes a first clamshell half and a second clamshell half. When joined, the first and second clamshell halves form a passageway having an inlet and an outlet. The passageway has a height and a depth. A ratio of the height to the depth is about 0.5 or less. The heat exchanger has an efficiency of at least about 70%. | 07-21-2011 |
20110174290 | HEAT EXCHANGER WITH FASTENER - A clamshell heat exchanger includes a first clamshell half and a second clamshell half. The first and second clamshell halves each include a through-hole therein. The first and second clamshell halves form a passageway, with a seal region located between portions of the passageway. A fastener is located within the first and second through-holes within the seal region. The fastener is configured to rigidly join the first clamshell half to the second clamshell half while allowing relative lateral motion between said first and said second clamshell halves. | 07-21-2011 |
20110174289 | CONDENSATE TRAP FOR HEATING-COOLING SYSTEMS - A condensation trap comprising an inlet chamber, a vent chamber and an outlet chamber. The inlet chamber is configured to receive condensate fluid through an external opening therein. The vent chamber is in fluid communication with the inlet chamber via a first passageway that includes an internal opening of the inlet chamber. The internal opening is located substantially at an opposite end of the vent chamber as the external opening. The outlet chamber is in fluid communication with the vent chamber via a second passageway that includes an internal opening in a sidewall of the vent chamber and an interior opening in an end of the outlet chamber. The outlet chamber is configured to transmit the condensate fluid through an exterior opening located at an opposite end of the outlet chamber. A vent volume portion is greater than a total volume of an internal space of the inlet chamber. | 07-21-2011 |
20110174287 | CONVERGING-DIVERGING COMBUSTION ZONES FOR FURNACE HEAT EXCHANGES - A furnace unit that comprises a burner assembly having at least one burner located therein and a heat exchanger having at least one continuous combustion tube. One end of the combustion tube has a first opening that is coupled to the burner assembly. The combustion tube has at least three zones. A first surface of the first zone has a first non-straight angle with a second surface of the second zone. The second surface has a second non-straight angle with a third surface of the third zone. The first zone is nearest of the three zones to the burner assembly and the second zone is in-between the first zone and the third zone. The first, second and third zones are within a flame length configured to be emitted from the burner. | 07-21-2011 |
20110174048 | REFLARE TOOL AND PROCESS - A flaring body has first and second opposing ends. A perimeter surface intersects the first end, and a flaring surface is located between the perimeter surface and the second end. The perimeter surface has a first cross-sectional profile with a first area, and the flaring surface having a second cross-sectional profile with a second area less than the first area. The perimeter surface and the flaring surface are joined by an inside, rounded corner. A crimping body has a top surface and an opposing bottom surface, and an interior surface that forms defines a passageway that connects said top and bottom surfaces. The interior surface has a third cross-sectional profile with a third area larger than the first area. The flaring body is slidably captureable in the passageway. The interior surface further has a crimping channel that extends along at least a portion thereof and terminates at the bottom surface. | 07-21-2011 |
20110100041 | HEAT PUMP CONTROL SYSTEM USING PASSIVE DEFROST - A heat pump system includes a controller and a closed system that includes a condensing heat exchanger coil, an evaporating heat exchanger coil, a refrigerant and a compressor. The compressor is configured to compress the refrigerant, thereby causing the refrigerant to have a greater pressure in the condensing heat exchanger coil than in the evaporating heat exchanger coil. The controller is configured to perform a passive defrost of the evaporating heat exchanger coil. The passive defrost includes disabling the compressor and providing a bypass path between the condensing and evaporating heat exchanger coils that bypasses the compressor. The bypass path allows the refrigerant to flow from the condensing heat exchanger coil to the evaporating heat exchanger coil while the compressor is disabled. | 05-05-2011 |
20110070818 | AIR BLOWER VALIDATOR, AN HVAC SYSTEM AND A METHOD OF MANUFACTURING AN HVAC SYSTEM - An air blower validator, a heating, ventilating and air conditioning (HVAC) system and a method of manufacturing thereof are disclosed. In one embodiment, the air blower validator includes: (1) a air pressure detector including a first pressure port configured to receive air from inside an air blower housing of an HVAC system and (2) an air collector configured to deliver the air to the first pressure port, the air collector including a pressure tap configured to couple to an opening in the air blower housing. | 03-24-2011 |
20110011112 | REFLECTIVE ULTRAVIOLET LIGHT SHIELD FOR A HVAC UNIT - A heating, ventilating and air conditioning (HVAC) unit. The unit comprises a heat exchanger or drain pan located inside a HVAC housing that has one or more access openings and ultraviolet light-sensitive components therein. The unit also comprises a light located inside of the HVAC housing and a light shield located between the heat exchanger or drain pan and the light source. The light source includes a network of open-ended cells, each cell having ultraviolet light reflective walls. The light shield is oriented to direct an ultraviolet light from the light source through the open-ended cells towards the heat exchanger or drain pan and away from the one or more access openings and ultraviolet light-sensitive components. | 01-20-2011 |
20110005067 | ROD HOLDER FOR THE ASSEMBLY OF HEAT EXCHANGERS - One aspect of this disclosure provides an expansion rod holder for the assembly of fin and tube heat exchangers. The expansion rod holder includes a first plate having a first aperture therethrough and a ring located in the first aperture and that has a second aperture therethrough. The first and second apertures are configured to receive a tapered end of an expansion rod having an annular groove proximate the tapered end. A biasing member is located in the first aperture between the ring and a wall of the first aperture. The biasing member is configured to bias the ring in a first direction toward an opposite wall of the first aperture and into the annular groove. A method of manufacturing the expansion rod holder is also disclosed, as well as a tube expander system used to manufacture heat exchangers. | 01-13-2011 |
20100179696 | DEVICE ABSTRACTION SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the method includes configuring a user interface to receive a first parameter setting associated with a system device. The user interface is further configured to send a message to the system device including the first parameter setting. The user interface is further configured to receive from the system device a second parameter setting that is dependent on the first parameter setting. The user interface is further configured to make the second parameter setting available for viewing. | 07-15-2010 |
20100115364 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a local controller. The local controller is configured to publish a first message to a data bus, and to detect a collision between the first message and a second message published to the data bus. The local controller is further configured to republish the first message in the event that the first message collides with a second message published to the data bus; a bit error results in response to publishing the message. | 05-06-2010 |
20100107232 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a user interface and a system device. The user interface is configured to publish a privilege request message to a data bus. The system device is configured to receive messages via the data bus and to store configuration data in nonvolatile memory. The system device is further configured to enable a privileged operating mode not normally available to a user of the network in response to the privilege request message. | 04-29-2010 |
20100107112 | SYSTEM AND METHOD OF USE FOR A USER INTERFACE DASHBOARD OF A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods of use of an HVAC graphical interface dashboard. In various embodiments, the dashboard includes a weather tab, wherein invoking the weather tab advances to a weather screen. The dashboard also includes an indoor humidity tab. A programs tab and a home tab are also provided. The dashboard further comprises: a) a screen that employs a backlight to display information to a user; b) a backlight, and c) a motion detector, wherein the backlight is turned on by the motion detector upon a detection of motion. | 04-29-2010 |
20100107111 | SYSTEM AND METHOD OF USE FOR A USER INTERFACE DASHBOARD OF A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods of use of an HVAC graphical interface dashboard. In various embodiments, the dashboard includes a weather tab, wherein invoking the weather tab advances to a weather screen. The dashboard also includes an indoor humidity tab, wherein invoking the indoor humidity tab advances to a humidity screen which displays at least a current indoor humidity, wherein the humidity screen interprets a percentage of humidity for a user. A programs tab and a home tab are also provided. At least one attribute of a presentation of the home screen is selectable by a user. | 04-29-2010 |
20100107110 | SYSTEM AND METHOD OF USE FOR A USER INTERFACE DASHBOARD OF A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods of use of an HVAC graphical interface dashboard. In various embodiments, the dashboard includes a weather tab, wherein invoking the weather tab advances to a weather screen. The dashboard also includes an indoor humidity tab, wherein invoking the indoor humidity tab advances to a humidity screen which displays at least a current indoor humidity, wherein the humidity screen interprets a percentage of humidity for a user. A programs tab and a home tab are also provided. At least one of: a) a system mode; and b) a fan mode can be selected by pressing a correlated icon in the program tab. | 04-29-2010 |
20100107103 | SYSTEM AND METHOD OF USE FOR A USER INTERFACE DASHBOARD OF A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods of use of an HVAC graphical interface dashboard. In various embodiments, the dashboard includes a weather tab, wherein invoking the weather tab advances to a weather screen. The dashboard also includes an indoor humidity tab. A programs tab and a home tab are also provided. The indoor humidity tab can further be used to set current indoor humidity setpoints. | 04-29-2010 |
20100107083 | MEMORY RECOVERY SCHEME AND DATA STRUCTURE IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods for updating a parameter in a device in an HVAC network. In various embodiments, a method comprises a sending by an interface device to the device: a) a parameter value change message, and b) a new value of an installer parameter. The method includes the device determining if the parameter update is within an allowed range, and updating the parameter in a memory of the device if the parameter update is within the allowed range. The method further includes the device sending the parameter to an interface device. The method still further includes relaying the parameter to an active subnet controller by the interface device. In further embodiments, the method determines whether a parameter definition is a changed parameter definition. If the definition is the changed parameter definition: a device definition parameter message is sent to the interface device from the device in the HVAC network. A device parameter value is also sent from the HVAC device for each parameter in a same group of parameters affected by the change of definition. | 04-29-2010 |
20100107074 | SYSTEM AND METHOD OF USE FOR A USER INTERFACE DASHBOARD OF A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods of use of an HVAC graphical interface dashboard. In various embodiments, the dashboard includes a weather tab, wherein invoking the weather tab advances to a weather screen. The dashboard also includes an indoor humidity tab. A programs tab and a home tab are also provided. The home screen has a single icon that gives a user an indication that there is at least one alert present in the dashboard. | 04-29-2010 |
20100107073 | SYSTEM AND METHOD OF USE FOR A USER INTERFACE DASHBOARD OF A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods of use of an HVAC graphical interface dashboard. In various embodiments, the dashboard includes a weather tab, wherein invoking the weather tab advances to a weather screen. The dashboard also includes an indoor humidity tab. A programs tab and a home tab are also provided. The dashboard includes at least one downloadable screen saver. | 04-29-2010 |
20100107072 | SYSTEM AND METHOD OF USE FOR A USER INTERFACE DASHBOARD OF A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods of use of an HVAC graphical interface dashboard. In various embodiments, the dashboard includes a weather tab, wherein invoking the weather tab advances to a weather screen. The dashboard also includes an indoor humidity tab, wherein invoking the indoor humidity tab advances to a humidity screen that allows users to have different humidity levels during different periods of a day. A programs tab and a home tab are also provided. | 04-29-2010 |
20100107071 | SYSTEM AND METHOD OF USE FOR A USER INTERFACE DASHBOARD OF A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods of use of an HVAC graphical interface dashboard. In various embodiments the dashboard includes a weather tab, wherein invoking the weather tab advances to a weather screen. The dashboard also includes an indoor humidity tab, wherein invoking the indoor humidity tab advances to a humidity screen which displays at least a current indoor humidity, wherein the humidity screen interprets a percentage of humidity for a user. A programs tab and a home tab are also provided. A button of the dashboard turns a color, such as an inverse color, when it is touched. | 04-29-2010 |
20100107007 | SYSTEM RECOVERY IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides a system and method of retrieving data for an active subnet controller of a subnet in an HVAC network. In an embodiment, a device on said subnet reports a loss of internal memory settings to said active subnet controller. The device is recognized by the active subnet controller. At least one list of parameters is requested from the device by the active subnet controller. An order of said at least one list of parameters is employed to convey corresponding stored values of these parameters from the active subnet controller to the coupled device. | 04-29-2010 |
20100106957 | PROGRAMMING AND CONFIGURATION IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - Various embodiments of systems and methods of creating a memory of an HVAC device. A bootloader code is stored into a first protected memory of the HVAC device. A device designator is stored into a second protected memory of the HVAC device. A control serial number is stored into a third protected memory of the HVAC device. A control part number is stored into a fourth protected memory of the HVAC device. An application data is stored into a separate application memory of the HVAC device. | 04-29-2010 |
20100106925 | PROGRAMMING AND CONFIGURATION IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an a system and method of backing up operating control data about a device connected to a controller in a network. In an embodiment, the network includes a storage system for the data about the device is in the controller; a first subsystem for determining that the data should be transferred to the device; and a second subsystem for transferring the data to the device for use. | 04-29-2010 |
20100106815 | MEMORY RECOVERY SCHEME AND DATA STRUCTURE IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods for conveying information between a communicating first device and a second coupled device of a HVAC network. In various embodiments, the method comprises checking a subnet of the HVAC network for both communicating device and a non-communicating device by the communicating first device. The method also comprises determining whether the second coupled device in a non-communicating device. The method further comprises allowing an installer to set parameters of the non-communicating device through employment of a manifest list of features used by the non-communicating device that is accessible by the communicating device. | 04-29-2010 |
20100106814 | DEVICE ABSTRACTION SYSTEM AND METHOD FOR A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes configuring a first system device and a subnet controller. The first system device is configured to receive an initial value of a specified dependent parameter. The subnet controller is configured to determine that a value of said specified parameter has been changed to a modified value after said first system device receives said initial value. The subnet controller is further configured to send to said first system device, in response to said determining, a message updating said specified parameter with said modified value. | 04-29-2010 |
20100106810 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a first subnet controller and a first system device. A second subnet controller is configured to archive configuration data of the first subnet controller and the system device. | 04-29-2010 |
20100106809 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure includes an HVAC data processing and communication network and a method of manufacturing the same. In one embodiment, the HVAC data processing and communication network includes a first system device and a second system device. The first system device is configured to send and receive messages over a data bus. The second system device is configured to send configuration data associated with a configuration of the second system device to the first system device. The first system device is further configured to receive and persistently store the configuration data. | 04-29-2010 |
20100106787 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, a system device configured for use in the network includes a physical layer interface and a communication module. The physical layer interface is configured to interface to a data bus. The communication module is configurable to send and receive messages over the data bus via the physical layer interface. The system device also includes a non-volatile memory configured to store configuration data. The messages include a first class of messages that address the system device using only a device designator of the device, and a second class of messages that address the system device using a message ID formed from a portion of the device designator and an offset. | 04-29-2010 |
20100106334 | SYSTEM AND METHOD FOR ZONING A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network. In an embodiment, the network includes a user interface, a first subnet controller and a second subnet controller. The first subnet controller is configured to operate with a first zone of the network with a first program schedule. The second subnet controller is configured to operate with a second zone of the network with a second program schedule. The second subnet controller is further configured to override the first and second schedules to operate the first and the second zones according to hold settings received from the user interface. | 04-29-2010 |
20100106333 | SYSTEM AND METHOD FOR ZONING A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the HVAC data processing and communication network includes at least one environmental sensor, at least one subnet and a subnet controller. The subnet controller is configured to discover the at least one environmental sensor, the at least one subnet and at least one damper controller. The subnet controller is further configured to set up the network for zoned operation in the event that at least two of the at least one environmental sensor are discovered. | 04-29-2010 |
20100106330 | DEVICE ABSTRACTION SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In various embodiments, the network includes a subnet controller configured to control networked devices via a data bus. The subnet controller is configured to be addressable over the data bus. An environmental sensor is configured to provide environmental data to the subnet controller, and is further configured to be addressable over the data bus independent of addressing the subnet controller. A user interface is configured to provide access by an operator to the network. The user interface is further configured to be addressable over the data bus independently of addressing the subnet controller and the environmental sensor. | 04-29-2010 |
20100106327 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a first subnet controller and a system device. The first subnet controller is coupled to a data bus and configured to arbitrate with a second subnet controller for control of the subnet. The system device is configured to transition from a reset state to a first state that includes pre-startup tasks, and transition from the first state to a second state that includes waiting for the subnet controller to provide configuration parameters to the system device. | 04-29-2010 |
20100106326 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment the network includes a subnet controller and at least one demand unit. A bus interface device associated with the demand unit is configured to receive a demand message from the subnet controller over the network. The bus interface device controls an operation of said demand unit in response to said demand message. | 04-29-2010 |
20100106325 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a demand unit and a subnet controller. The demand unit is coupled to a data bus and configured to provide a primary service having a maximum service capacity. The subnet controller is configured to send a demand message to the demand unit via the data bus instructing the demand unit to provide a portion of the maximum. | 04-29-2010 |
20100106324 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a system device coupled to a data bus. The system device includes a functional block adapted to respond to a message received via the data bus. The system device is configured to thereby enter a disabled state in which the system device does not provide a service or broadcast messages via the data bus, but may continue to receive messages via the data bus. | 04-29-2010 |
20100106323 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - An HVAC data processing and communication network includes a first subnet and a second subnet. The first subnet includes a first demand unit, a first comfort sensor and a first subnet controller. The second subnet includes a second subnet comprising a second demand unit, a second comfort sensor and a second subnet controller. The second subnet controller is configured to control an operation of the first subnet. | 04-29-2010 |
20100106322 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a system device and a subnet controller. The system device is adapted to provide a service and publish a message including a device status vector representing an availability of the system device to provide the service. The subnet controller is adapted to receive the message from the system device including the device status vector via a data bus. | 04-29-2010 |
20100106321 | MEMORY RECOVERY SCHEME AND DATA STRUCTURE IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides various systems and methods for conveying information between a communicating first device and a second coupled device of a HVAC network. In various embodiments, a checking of a subnet of the HVAC network for both communicating device and a non-communicating device by the communicating first device occurs. It is determined whether the second coupled device in a non-communicating device. An installer is allowed to set parameters of the non-communicating device through employment of a manifest list of features used by the non-communicating device that is accessible by the communicating device. | 04-29-2010 |
20100106320 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - An HVAC data processing and communication network includes a subnet controller and at least one demand unit. A bus interface device associated with the demand unit is configured to receive a demand message from the subnet controller over the network. The bus interface device controls an operation of said demand unit in response to said demand message. | 04-29-2010 |
20100106319 | METHOD OF CONTROLLING EQUIPMENT IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a sensor and a local controller. The sensor is configured to detect a fault condition associated with operation of a demand unit. The local controller, associated with the demand unit, is configured to receive sensor data from the sensor and to communicate the sensor data over the network. A network controller is configured to receive the sensor data via the communication network and to generate an alert in the event that the sensor data indicates the fault condition. | 04-29-2010 |
20100106318 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED- ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In one embodiment, the HVAC data processing and communication network includes a system device, a subnet controller and a user interface. The system device is configured to receive a control message from a data bus and operate according to a control setting communicated thereby. The system device is further configured to generate an alarm message in the event that the device enters an alarm state in response to an alarm condition. The user interface is configured to receive the alarm message and display alarm information in response to the message. The subnet controller is configured to provide operational control of the system device via the control message. The operational control is decoupled from the alarm message. | 04-29-2010 |
20100106317 | DEVICE ABSTRACTION SYSTEM AND METHOD FOR A DISTRIBUTED- ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the method includes configuring a device to store a plurality of character strings. The device is further configured to associate a text ID with each of the character strings. The device is further configured to recall a predetermined character string in response to receiving a first message via the network including a predetermined text ID associated with the predetermined character string. The method includes further configuring the device to send via the network a second message including the predetermined character string. | 04-29-2010 |
20100106316 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure includes an HVAC data processing and communication network and a method of manufacturing the same. One embodiment of the network includes a subnet controller, a system device and a system status display. The subnet controller is configured to communicate via a data bus. The first system device is configured to communicate via a data bus. The system status display is associated with the first system device and configured to produce a visual signal when the first device detects an error or alarm condition. | 04-29-2010 |
20100106315 | SYSTEM RECOVERY IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides various embodiments of systems and methods of generating a heartbeat in an HVAC system and networks. In an embodiment, a method includes a heartbeat message being sent by a first subnet controller upon the first subnet controller taking active control of a subnet of the HVAC network. The active heartbeat message timer is reset. Another heartbeat message is sent if a specified amount of time has elapsed since a previous heartbeat message was sent by said heartbeat generator. | 04-29-2010 |
20100106314 | SYSTEM RECOVERY IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - Various embodiments of systems and methods of employing a first subnet controller in an HVAC network. The method comprises conveying a fixed parameter from a first networked device in the HVAC system to the first subnet controller, conveying a variable parameter from the first networked device in the HVAC system to the first subnet controller, and providing an option to a user to modify the variable parameter. | 04-29-2010 |
20100106313 | DEVICE ABSTRACTION SYSTEM AND METHOD FOR A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the method includes configuring a subnet controller. The subnet controller is configured to assign to a first device associated with the network a first equipment type number based on a first device ID number and a first offset. The subnet controller is configured, in the event that the first device shares a same enclosure with a second device associated with the network, to assign to the second device a second equipment type number based on the first device ID number and a second offset. The subnet controller is configured, in the event that the first device does not share a same enclosure with the second device, to assign to the second device the second equipment type number based on a second device ID number and the second offset. | 04-29-2010 |
20100106312 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure includes an HVAC data processing and communication network and a method of manufacturing an HVAC data processing and communication network. In one embodiment, the HVAC data processing and communication network includes: (1) a subnet controller configured to publish a control message to a data bus and (2) a system device configured to receive the control message and enter a diagnostic mode in response thereto, wherein the diagnostic mode includes publishing a diagnostic status message including a device parameter value to the data bus. | 04-29-2010 |
20100106311 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In one embodiment the network includes a subnet controller, a system device and a gateway. The controller is configured to publish control messages over a data bus. The system device is configured to receive the messages and to provide an HVAC service in response to the messages. A gateway is configured to provide access by a remote user to the network. The access includes operating the network to generate diagnostic data and retrieving the diagnostic data via the gateway. | 04-29-2010 |
20100106310 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED- ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure includes an HVAC data processing and communication network and a method of manufacturing an HVAC data processing and communication network. In one embodiment, the network includes a system device and a controller. The system device is configured to communicate over a data bus, and further configured to store tracking data related to the system device. The controller is configured to send a command message to the device via the data bus. The message is configured to instruct the device to publish the tracking data on the data bus via a reply message. | 04-29-2010 |
20100106309 | GENERAL CONTROL TECHNIQUES IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network. In various embodiments of systems and methods including a bus, a compressor is coupled to the bus, and a subnet controller is coupled to the bus. The subnet controller disables the compressor when acting upon a dehumidification command. | 04-29-2010 |
20100106308 | SYSTEM AND METHOD FOR ZONING A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network. In an embodiment, the network includes a first zone and a second zone. The first zone has a first demand unit and a first subnet controller configured to control an operation of the first demand unit via a data bus. The second zone has a second demand unit and a second subnet controller configured to control an operation of the second demand unit via the data bus. The second subnet controller is further configured to communicate with the first subnet controller via the data bus. | 04-29-2010 |
20100106307 | DEVICE ABSTRACTION SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a system device and a subnet controller. The system device is coupled to a data bus and configured to locally store feature or parameter data related to an operation of the system device. The subnet controller is configured to publish a message via the data bus directing the device to publish a message including the feature or parameter data to the network. | 04-29-2010 |
20100102973 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure includes an HVAC data processing and communication network, and a method of manufacturing the same. In one embodiment the HVAC data processing and communication network includes a system device and a user interface. The system device is configured to store alarm data in local memory in response to an alarm event. The user interface is configured to send an alarm request message to the system device, and to receive an alarm reporting message including alarm data from the system device via a data bus. | 04-29-2010 |
20100102948 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In one embodiment the network includes a system device and a user interface. The system device is configured to generate and locally store an alarm record in response to an alarm event. The system device is further configured to receive an alarm request message via a data bus. In response to receiving the alarm request message, the system device is configured to publish an alarm reporting message over the data bus. The user interface is configured to receive the alarm message and display an alert depending on a state of the flag. | 04-29-2010 |
20100102136 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure includes an HVAC data processing and communication network and a method of manufacturing the same. In one embodiment the network includes a duct, a blower and a controller. The blower is configured to receive a control message from a data bus. The duct is configured to direct air flow from the blower. The controller is configured to publish the control message to the data bus. The controller thereby commands the blower to provide air to the duct at an initial volume rate and to increase the volume rate until the controller detects onset of a cutback mode of the blower. | 04-29-2010 |
20100101854 | FLUSH WALL MOUNT THERMOSTAT AND IN-SET MOUNTING PLATE FOR A HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - One aspect provides of this disclosure provides a flush wall mounting system for an electronic controller. This embodiment comprises a housing for receiving electrical components therein and having a front panel and a back panel coupled to the front panel. The back panel has a raised portion extending therefrom. This aspect further includes a mounting plate removably couplable to the back panel of the housing and has front and back sides. The front side includes a flange around a perimeter thereof and has a recess formed therein configured to receive the raised portion of the back panel therein. The recess forms a raised portion extending from the back side and configured to be receivable within an opening in a wall. A method for manufacturing the mounting system is also provided. | 04-29-2010 |