Questions & Answers for: red white yellow and green wires in a thermostat

...but only have yellow green red and white wire on the old and don't know where to put the wires on the new R--- rc or rh y--yellow g---green w--white red is power yellow is cool g--fan white is ...

...white to W, red to R, green to G, yellow to Y. If it is a heat pump, orange to O/B. blue to C. However, not all stats have a common. The wires are color coded, there should be a sub base, yellow, to ...

...white and red. note: this unit may only need 24v control which is 2 wires from the inside unit and also 3 wires 2 hot 1 ground for line voltage. STANDARD WIRING on the inside unit you have green, ...

...white, red (hot wire)light green and dark green. The light green came from the ground on the thermostat I am replacing. Any sugestions as to where to make the connections? Thanks G (green) = fan w ...

... W = White Heat (inside transformer) COOLING ONLY Thermostat R = Red One Side of 24 volt Transformer G = Green Blower Y = Yellow Cool HEATING ONLY R or Rh One Side of 24 volt Transformer W = White ...

... W = White Heat (inside transformer) COOLING ONLY Thermostat R = Red One Side of 24 volt Transformer G = Green Blower Y = Yellow Cool HEATING ONLY R or Rh One Side of 24 volt Transformer W = White ...

... W = White Heat (inside transformer) COOLING ONLY Thermostat R = Red One Side of 24 volt Transformer G = Green Blower Y = Yellow Cool HEATING ONLY R or Rh One Side of 24 volt Transformer W = White ...

...does is jump that red wire to white for heat green for fan or yellow for ac but make sure ur power to ur unit is off before u change wires or u risk touching wires together and burning up ...

go something like the following. RED to RED WHITE to WHITE GREEN TO GREEN YELLOW to YELLOW The 4 wire that we sell has red, white, blue, and green so our contractors wire it up by going blue to yellow

...white, red, green, blue, and yellow wires and none are labeled as to what they are. The Yellow wire is for cooling, the white is for heating, the red is for power, the green is for blower fan, the ...