Heat Pump Thermostat Wiring Diagrams And Color Code Pickhvac

Heat Pump Thermostat Wiring Diagrams And Color Code Pickhvac G – green: fan – this is for the blower in the air handler. r – red: 24 volt power – your air handler is powered by 110v, but it is converted to 24v for the thermostat. c – blue: common wire for continuous 24 volt power from the thermostat to the air handler. e – white (optional): emergency heat. Run the thermostat wire through the wall to the thermostat, and connect it to the c terminal there. you now have a common wire. tip: choose a blue or black wire to fit the standard 5 wire thermostat wiring color code. 2). use 4 wires only. connect the red, white, yellow and green wires to the r, w, y and g terminals.

5 Wire Thermostate Color Code And Wiring Pickhvac 8 wire thermostat wiring. here is the most common use of 8 wires. what uses 8 wire thermostat wiring? these are almost always heat pump hvac systems aux heat. how to wire an 8 wire thermostat: 1). attach the red wire to the r terminal for 24v power. 2). attach the white wire to the w (or w1) terminal for the heat pump’s heating mode. 3). 4 wire thermostat wiring color codes. the 4 wire thermostat is one of the most common thermostats (made by honeywell, primarily). this wiring setup can be used to power heat pumps, for example. that means we will need wires for both heating (w terminal, white wire) and cooling (y terminal, yellow wire). here are the usual 4 wire thermostat wire. R or rc wire (power) connected to the r power terminal to power the thermostat. w wire (heat), connected to the heating control. g wire (fan) connected to the fan control to operate a blower in your hvac system. y1 wire (cooling) connected to the y terminal compressor refrigerant system. Honeywell 1st stage heat pump with auxiliary emergency heat (7 wire) this is also known as a 7 wire honeywell thermostat wiring. a first stage heat pump system will have 1 compressor hence only 1 y wire. this is the wire that controls the first stage compressor relay. in addition to the ob wire and r wires, you will have an aux e wire.

Heat Pump Thermostat Wire Color Code R or rc wire (power) connected to the r power terminal to power the thermostat. w wire (heat), connected to the heating control. g wire (fan) connected to the fan control to operate a blower in your hvac system. y1 wire (cooling) connected to the y terminal compressor refrigerant system. Honeywell 1st stage heat pump with auxiliary emergency heat (7 wire) this is also known as a 7 wire honeywell thermostat wiring. a first stage heat pump system will have 1 compressor hence only 1 y wire. this is the wire that controls the first stage compressor relay. in addition to the ob wire and r wires, you will have an aux e wire. I show the low voltage thermostat wiring diagram for a heat pump with electric resistance strip heating in the air handler. i discuss the color code and volt. It is important to correctly wire these components to ensure proper operation of the heat pump. the wiring diagram provided by the manufacturer should be followed to connect the wires to their respective terminals. 4. indoor unit wiring: the indoor unit of the heat pump includes the air handler and the blower motor.