What Wires Go Where On My Thermostat?

  • Red (C). …
  • Red (H). …
  • Blue.
  • What wires go where on my thermostat?

    FIVE WIRES:

    This is the most common type of thermostat wiring, and it covers systems that control both heat and air-conditioning. The usual arrangement of the wires is: red for 24-volt hot, white for heat, yellow for cooling, green for the fan, and blue for common (although the common wire may be another color).

    What do the wires mean on a thermostat?

    Rh stands for Red-Heat and Rc stands for Red-Cool. If you only have a single red wire the jumper between Rh and Rc are required for some heating and cooling hybrid systems depending on your thermostat. Yellow/Y is the AC compressor. White/W is the Heating element. Green/G runs the fan.

    What are the 4 wires on a thermostat?

    4 Wire Thermostat Wiring (Heat Pumps, HVAC)

    • Red wire for power (24V).
    • White wire for heating (connected to W or W1 terminal).
    • Green wire for fans.
    • Blue or yellow wire for cooling (connected to Y).

    What are the colored wires on a thermostat?

    This is the most typical thermostat wiring style, and it applies to systems that regulate both heat and air conditioning. The wires are typically arranged as follows: red for 24-volt hot, white for heat, yellow for cooling, green for the fan, and blue for common (although the common wire may be a different color).