White the white wire is what connects to the auxiliary heat on your system. The common wire doesn t have a standard color. The installer could have used any color though. There is no standard for which color wire controls each function. Attach this wire to the w terminal of the thermostat. After the white wire w has been identified and labeled and secured to the w terminal one of the remaining two wires will start the burner when shorted to the white w. If you do not know the terminal that each wire connects to it may be necessary to go to the hvac system and look at the designations on the control board. The red wire should always come from the hot side of the 24 volt transformer. Yellow the yellow wire connects to your compressor. Knowing what are the wire colors for a thermostat is half the battle when it comes to installing one.
This particular wire extends from the transformer and is responsible for completing the 24 v power circuit in the thermostat.
Finally this way you can match up the appropriate wire color coming from the thermostat to what it controls in the equipment. The red wire is connected to terminals beginning with the letter r which include r rh and rc units depending upon how the thermostat is being used. The white wire underneath your thermostat connects to your heating system. The most essential colors are red green and yellow although you may find up to eight different wires in a heat pump thermostat or as few as five in a more common hot water system. When wiring each wire should be identified by what terminal s it connects to never by color. Additionally the common sometimes black should come from the common side of the transformer.
This particular wire extends from the transformer and is responsible for completing the 24 v power circuit in the thermostat. Although it may seem tedious and challenging to most including novice electricians completing a thermostat replacement project in your home can be quite simple. It terminates at your air handler or furnace. The red wire should always come from the hot side of the 24 volt transformer. The red wire is connected to terminals beginning with the letter r which include r rh and rc units depending upon how the thermostat is being used. Attach this wire to the w terminal of the thermostat. White the white wire is what connects to the auxiliary heat on your system. After the white wire w has been identified and labeled and secured to the w terminal one of the remaining two wires will start the burner when shorted to the white w. Finally this way you can match up the appropriate wire color coming from the thermostat to what it controls in the equipment. The installer could have used any color though.
This particular wire extends from the transformer and is responsible for completing the 24 v power circuit in the thermostat. Finally this way you can match up the appropriate wire color coming from the thermostat to what it controls in the equipment. The common wire doesn t have a standard color. It s usually black but in some cases it s the thermostat blue wire. Well explained tutorial on wire color codes. It terminates at your air handler or furnace. If you do not know the terminal that each wire connects to it may be necessary to go to the hvac system and look at the designations on the control board. The white wire connects to terminal w in industry standard thermostats. Orange this wire connects to your heat pump if you have one. The red wire is connected to terminals beginning with the letter r which include r rh and rc units depending upon how the thermostat is being used.
The white wire connects to terminal w in industry standard thermostats. Orange this wire connects to your heat pump if you have one. Green the green wire connects to the fan. The most essential colors are red green and yellow although you may find up to eight different wires in a heat pump thermostat or as few as five in a more common hot water system. The common wire doesn t have a standard color. The white wire underneath your thermostat connects to your heating system. There is no standard for which color wire controls each function. It s important to note that in some cases the color of the wire does not necessarily mean it connects to that came color one the board. Additionally the common sometimes black should come from the common side of the transformer. In this article we will cover different kinds of thermostats commonly seen today what challenges they pose during installation.
In this article we will cover different kinds of thermostats commonly seen today what challenges they pose during installation. The common wire doesn t have a standard color. There is no standard for which color wire controls each function. Knowing what are the wire colors for a thermostat is half the battle when it comes to installing one. Additionally the common sometimes black should come from the common side of the transformer. The white wire underneath your thermostat connects to your heating system. The red wire should always come from the hot side of the 24 volt transformer. It s usually black but in some cases it s the thermostat blue wire. When wiring each wire should be identified by what terminal s it connects to never by color. It s important to note that in some cases the color of the wire does not necessarily mean it connects to that came color one the board.
Although it may seem tedious and challenging to most including novice electricians completing a thermostat replacement project in your home can be quite simple. The installer could have used any color though. If you do not know the terminal that each wire connects to it may be necessary to go to the hvac system and look at the designations on the control board. After the white wire w has been identified and labeled and secured to the w terminal one of the remaining two wires will start the burner when shorted to the white w. Attach this wire to the w terminal of the thermostat. When wiring each wire should be identified by what terminal s it connects to never by color. Well explained tutorial on wire color codes. Yellow the yellow wire connects to your compressor. The red wire should always come from the hot side of the 24 volt transformer. If the burner does not stop hold all 3 wires together again and try another wire until the white wire is found.
