Parts
Changes the direction of refrigerant flow
What is the Reversing Valve?
Start of the refrigeration cycle
What is the Compressor?
Nothing energized
What is the Off Mode?
Heat is absorbed from Air into the refrigerant and then rejected from the refrigerant into Air
What is Air-Source Heat Pumps?
R to C when the Thermostat is NOT making a call for ANY mode
What is 24 Volts?
Initiates and Terminates
What is the Defrost Control Board?
Directs refrigerant to the Outdoor Coil during Cool Mode
What is the Reversing Valve?
Outdoor Coil is HP-HT, Indoor Coil is LP-LT, Outdoor Metering Device Bypassed
What is the Cooling Mode?
Heat is absorbed from Water into the refrigerant and rejected into the Air
What is Water-Source Heat Pumps?
Reversing Valve in the Heat Mode with a goodman unit
0 Volts
Energized to add supplemental heat
What are Electric Heat Strips?
Bypassed during the Heat Mode
What is the Indoor Metering Device?
Indoor Coil is HP-HT, Outdoor Coil is LP-LT, Indoor Metering Device Bypassed
What is the Heat Mode?
Water-Source Heat Pump that absorbs it's heat from the ground
What is Geothermal Heat Pumps?
Comp=240 Volts, OFM=240 Volts, RVS=24 Volts, IFM=240 Volts, Heat Strips=0 Volts
What is Cooling Mode?
Prevents liquid refrigerant from entering the Compressor
What is the Accumulator?
Condenser Coil during the Heat Mode
What is the Indoor Coil?
Outdoor Coil is HP-HT, Indoor Coil is LP-LT, Outdoor Fan De-energized, Heat Strips Energized
What is Defrost Mode?
Water-Source Heat Pump where the water comes from a well
What is Water-to-Air Open-Loop Heat Pump?
Comp=240 Volts, OFM=0 Volts, RVS=24 Volts, IFM=240 Volts, Heat Strips=240 Volts, Y - C=24 Volts, O - C=24 Volts, W2 - C=24 Volts
What is Defrost Mode?
Separates liquid refrigerant from oil
What is the Crankcase Heater?
Outdoor coil in heat mode
What is the Evaporator?
Outdoor unit & Compressor locked out, W2 becomes W1 energizing the Electric Heat Strips
What is Emergency Heat Mode?
Heat Pump system that uses two water coils and no Air Coils
What is a Water-to-Water Heat Pump?
Comp=0 Volts, OFM=0 Volts, RVS=0 Volts, IFM=240 Volts, Heat Strips=240 Volts, R - C=24 Volts, Y - C= 0 Volts, O - C=0 Volts, R - W2=0 Volts
What is Emergency Heat Mode?