Turn off the power to the cooling and heating unit at the fuse box. Web the basic heat pump wiring for a heat pump thermostat is illustrated here. Web honeywell 1st stage heat pump with auxiliary/ emergency heat (7 wire) this is also known as a 7 wire honeywell thermostat wiring.
In Addition To The Ob/ Wire And R Wires, You Will Have An Aux/E.
This way you have a reference. Heat pump thermostat wiring diagram as shown in the diagram, you will need to power up the thermostat and the 24v ac power is connected to the r and c terminals. There should be red, white, and green wire.
When It Comes To The Honeywell Thermostat Wiring Heat Pump, You Are Wiring The Heat Pump Thermostat Over To The Indoor Wire Handler You Going To Typically Run 18:8 Thermostat Wires.
Ac service tech llc 372k subscribers subscribe 499k views 6 years ago hvac troubleshooting This step will ensure that none of the wires you touch are carrying any voltage. Web 1 thermostat wiring tips to install your unit, you’ll need to connect the correct wires to the corresponding terminals on the back of your new thermostat.
24 Volt Power, Heat, Cool, Fan, Common;
Next, you will need to identify the wires coming from your heat pump. Web thermostat wiring heat pump chart. Always refer to your instructions when wiring up a system to ensure you are wiring to the.
The O Wire Reverses The Valve From Heating To Cooling, And The B Wire Switches The Valve From Cooling To Heating.
Remove the existing thermostat’s body from the wall by pulling or unscrewing it. First, you will need cutting pliers and wire strippers. These wires are responsible for switching the changeover valve in a heat pump system.
The W Wire Is Connected To Your Heating System.
You can run an 18:10 thermostat wire which gives you additional wires for a potential outdoor sensor. Colors, terminals, functions, circuit path! See the wiring colors above.
