Thermal Zone Heat Pump Wiring Diagram
It corresponds to the chart below to explain the thermostat terminal functions.
Thermal zone heat pump wiring diagram. Jumper e to w2 to transfer control of supplemental heat to 1st stage when the emergency heat switch is on. C is known as the common terminal. Heat pumps are different than air conditioners because a heat pump uses the process of refrigeration to heat and cool while an air conditioner uses the process of refrigeration to only cool the central air conditioner will usually be paired with a gas furnace an electric furnace or some other method of heating. 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.
The color of wire r is usually red and c is black. Central heating controls and zoning diywiki thermal zone heat pump wiring diagram wiring diagram name. This way you have a reference. This wire turns on heat for defrost omit for most economical operation.
The basic heat pump wiring for a heat pump thermostat is illustrated here. Thermostat wiring diagrams for heat pumps heat pump thermostat wire diagrams. These two connections will ensure that there is power to the thermostat that you are operating. Before uninstalling the old thermostat take a picture of the wiring with your cell phone before removing the wires.
A set of wiring diagrams may be required by the electrical inspection authority to embrace link of the dwelling to the public electrical supply system. Heat pump thermostat wiring chart diagram.