Indoor Heat Pump Wiring Diagram

The basic heat pump wiring for a heat pump thermostat is illustrated here.
Indoor heat pump wiring diagram. Heat pump thermostat wiring a typical wire color and terminal diagram. It shows the elements of the circuit as simplified shapes and the power as well as signal links between the devices. C is known as the common terminal. The indoor fan motor will also start.
Heat pump wiring diagrams a variety of wiring diagrams is used in the hvacr industry. A wiring diagram is a simplified traditional pictorial depiction of an electrical circuit. When the thermostat is satisfied the circuits are opened and the compressor outdoor fan motor heaters and. The basic diagrams used are the component arrangement or pictorial diagram the point to point schematic diagram the ladder diagram and the type of combination diagram that contains both the.
If the optional electric heat package is used the heat relay is energized and the electric heaters are energized. The color of wire r is usually red and c is black. If room temperature continues to fall the thermostat com pletes circuit r w. Assortment of carrier heat pump wiring diagram.
Each plays an important role in the troubleshooting process. It corresponds to the chart below to explain the thermostat terminal functions. Before uninstalling the old thermostat take a picture of the wiring with your cell phone before removing the wires. 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.