R the r terminal is the power. Wiring diagram for trane thermostat wiring library trane thermostat wiring diagram wiring diagram consists of many comprehensive illustrations that present the link of assorted things.
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Tstat wiring diagram. Thermostat wiring and wire color chart thermostat wiring colors code. Always follow manufacturers instructions for both the thermostat and the hvac system. Heat pump thermostat wiring chart diagram hvac the following graphics are meant as a guide only. Nest tstat wiring diagram nest thermostat wiring diagram air conditioner nest thermostat wiring diagram dual fuel nest thermostat wiring diagram for cooling technology makes a much better life and it is true. The yellow wire connects to your compressor. The second wiring diagram showing a heat pump system.
With the top thermostat wiring diagram showing an air conditioning system. Finally the third thermostat diagram showing the average type of split system with an air conditioner or gas or oil furnace used for heating. This wire connects to your heat pump if applicable. The rh wire connects to the heating system. Color of wire and termination. It contains directions and diagrams for various varieties of wiring techniques and other things like lights windows and so on.
The rc wire connects to the cooling system. The white wire connects to your heat. It is a red wire and comes from the transformer usually located in the air handler for split systems but you may find the transformer in the condensing unit. Here is the industry standard thermostat wire color code used for most systems. Additional articles on this site concerning thermostats and wiring can help you solve your problem or correctly wire a new thermostat. The green wire connects to the fan.
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Gallery of Tstat Wiring Diagram
