Hrejsa
Pete Hrejsa, Richardson, TX US
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20140202188 | HVAC SYSTEM CONFIGURED TO OBTAIN DEMAND SPECIFIC DATA FROM A REMOTE UNIT THEREOF - An HVAC system that obtains demand specific data from an outdoor unit thereof is provided. An indoor unit controller, an outdoor unit controller and an outdoor unit of the HVAC system are also disclosed. In one embodiment, the outdoor unit controller includes: (1) an interface configured to receive a request for a second portion of demand data from an indoor controller of the HVAC system, wherein the request includes a first portion of the demand data that corresponds to the second portion and (2) a processor configured to respond to the request by determining the second portion based on the first portion and sending the second portion of the demand data to the indoor controller of the HVAC system. | 07-24-2014 |
20140203089 | CONTROLLER CONFIGURED TO RECEIVE A CFM SETTING LESS THAN A BLOWER MINIMUM IN A ZONING APPLICATION, AN HVAC SYSTEM INCLUDING THE CONTROLLER AND A METHOD OF OPERATING THE CONTROLLER - The disclosure provides a HVAC system, a method of operating a controller of an HVAC system and a controller of an HVAC system. In one embodiment, the HVAC system includes: (1) a blower having a minimum CFM value, and (2) a controller having (2A) an interface configured to receive a desired CFM value for conditioning a zone and (2B) a processor configured to determine a total CFM value for conditioning multiple zones including the above zone based on the desired CFM value. The desired CFM value is below the minimum CFM value of the blower. | 07-24-2014 |
20140206274 | CONTROLLER CONFIGURED TO RECEIVE BLOWER VOLUMES FOR DIFFERENT OPERATING MODES PER ZONES, AN HVAC SYSTEM INCLUDING THE CONTROLLER AND A METHOD OF OPERATING THE CONTROLLER - Provided herein is an HVAC controller that receives blower volumes for different operating modes per HVAC zones, a HVAC system including the same and a method of operating the controller. In one embodiment, the controller includes: (1) an interface configured to receive blower volumes for each zone of the HVAC system that correspond to operating modes thereof of the HVAC system, wherein the blower volumes are received via a single graphical user interface and (2) a processor configured to direct operation of a circulation fan of the HVAC system based on at least one of the blower volumes. | 07-24-2014 |
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 |
Pete Hrejsa, Carrollton, TX US
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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 |
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 |
Pete Hrejsa, Frisco, TX US
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20140165612 | CONTROLLING AIR CONDITIONER MODES - In various implementations, a request for operation of an air conditioner may be received. The air conditioner may include a cooling mode and/or a dehumidifying mode. In some implementations, a compressor speed for a compressor of the air conditioner may be determined, and which mode(s) of the air conditioner to allow may be determined based at least partially on the determined compressor speed. | 06-19-2014 |
20140352339 | HEAT PUMP SYSTEM HAVING A HIGH PRESSURE TRIP CONTROLLER - One aspect presents a heat pump system controller that includes 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 memory has a program stored thereon that is configured to relate a temperature received from a liquid refrigeration line temperature sensor with a pressure of a compressor of a heat pump system and change an airflow rate of an indoor blower/heat exchange (ID) system of a heat pump (HP) system to avoid a shutdown of the HP system that occurs when the compressor reaches a trip pressure of the compressor. | 12-04-2014 |
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 |
Peter Hrejsa, Carrollton, TX US
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20150204567 | HVAC CONTROLLER AND METHOD FOR OPERATING AN HVAC SYSTEM BASED ON A DIFFERENCE IN TEMPERATURE BETWEEN RETURN AIR AND SUPPLY AIR AND AN HVAC SYSTEM EMPLOYING THE CONTROLLER OR METHOD - The disclosure provides an HVAC system, an HVAC controller and a method of operating an HVAC system. In one embodiment, the HVAC controller includes: (1) an interface configured to receive a thermostat call and (2) a processor configured to initiate operation of the HVAC system in response to the thermostat call and control operation thereof based on a temperature difference across a conditioning unit of the HVAC system. | 07-23-2015 |
Peter Hrejsa, The Colony, TX US
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20100011437 | APPARATUS AND METHOD FOR STORING EVENT INFORMATION FOR AN HVAC SYSTEM - An apparatus for storing event information relating to operation of an HVAC system includes: (a) at least one memory controller coupled with the HVAC system for receiving the event information; and (b) at least one memory unit coupled with the at least one memory controller. A first memory unit of the at least one memory unit is configured for receiving first selected information of the event information for accessing by at least one of a first party and a second party. A second memory unit of the at least one memory unit is configured for receiving second selected information of the event information for accessing by the second party. | 01-14-2010 |
Peter Hrejsa, City Of Frisco, TX US
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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 |
Peter Hrejsa, Frisco, TX US
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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 |
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 |
Peter B. Hrejsa, Frisco, TX US
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20160116183 | MAGNETICALLY MOUNTED WALL THERMOSTAT - One aspect of this disclosure provides a thermostat that can be magnetically attached to the wall using one or more magnets that allow the thermostat to be rotated about the wall, once mounted, or easily removed from the wall altogether to operate as a remote unit. Other devices, systems, and methods are disclosed. | 04-28-2016 |