Patent ID: 8413454
Filing Date: 2013-04-09
Classification: F24F,F25B,Y02B

Abstract:
1. A controller for an indoor blower unit of an HVAC system capable of operating in a full capacity mode and at least one reduced capacity mode, the controller comprising: a communication means for receiving information relating to the operating capacity of a compressor from at least one other HVAC system component separate from the indoor blower unit, wherein the communication means comprises a peer-to-peer network connection that enables reception of information from at least an outdoor unit controller and sending of information to at least the outdoor unit controller; a processor for controlling the operation of an indoor blower fan motor in a full capacity mode of operation and in at least one reduced capacity mode of operation, wherein the processor receives information relating to a change in operating capacity of the compressor from the at least one other HVAC system component and responsively operates the indoor blower fan motor in a full capacity speed or a reduced capacity speed based on the received information relating to a change in the operating capacity of a compressor, where in response to receiving information that the compressor is only able to operate at a reduced capacity, the processor responsively controls the operation of the indoor blower fan motor in at least one reduced capacity speed.