When wiring to a contactor the active output of the thermostat l load. Moreover the heat source for a basic ac system can include heat strips for electric heat or even a hot water coil inside the.

Xf 3143 A1 A2 Contactor Wiring Diagram Download Diagram
Thermostat contactor wiring diagram. The yellow wire connects to your. The white wire connects to your heat. Try requesting the diagram directly from tempstar. These lines far exceed the 120 volts ac standard in most homes. Here is the industry standard thermostat wire color code used for most systems. Many large pieces of equipment are powered directly from high voltage lines.
To install your unit youll need to connect the correct wires to the terminals on the back of your new thermostat. Thermostat wiring and wire color chart thermostat wiring colors code. Contactor and ground lug according to wiring diagram. My paperback and e book. Understanding thermostat wiring colors is the next step. How to wire an air conditioner for control 5 wires the diagram below includes the typical control wiring for a conventional central air conditioning systemfurthermore it includes a thermostat a condenser and an air handler with a heat source.
Posted on aug a tempstar heat should have a wiring diagram on the inside of the door. How to wire a contactor. Split system heat pump. 240 volts ac and 480 volts ac are commonly used for these large pieces of.