How A Thermostat Wiring Diagram. Rc red wire power 24 vac rh or 4 red wire jumpered power 24 vac w white wire for heating enable y yellow wire for cooling enable. Reference the detailed wire diagram on page 23 to identify your wiring diagram and set up.
The color of wire r is usually red and c is black. Green the green wire connects to the fan. Consult a professional installer for advanced installations or contact us at 18442955556 for help.
Wiring a double pole thermostat for electric baseboard 240v diy home improvement forum.
Later a pain to remove replace or repair the wiring in an automobile having an accurate and detailed nest thermostat 5 wire diagram is critical to. The difference between 2 wire and 3 wire thermometer is the g or green wire that is usually used for fans. Green wire as a repurposed c wire. Your system likely only has one transformer as most typical residential systems only use a single transformer for.