This complete quick-reference, troubleshooting field guide for all areas of maintaining and repairing heat pumps includes extensive cross-references to make it easy to look up information and find answers to questions.
Heat pump fundamentals; heat pump components; general servicing procedures; troubleshooting heat pumps; power sources; thermostats; compressors, contactor coils and capacitors; compressor protection controls; defrost controls; auxillary electric heaters; heat pump coils and refrigerant lines; fans, fan motors and fan relays; air filters and ductwork; crankcase heat.