3 Wire Honeywell Thermostat Wiring 1 2 3

I have an old honeywell. This is a video response to wyn davies question.

The three wires are red white and blue or yellow depending on the manufacturer.

You can find out more Diagram below

3 wire honeywell thermostat wiring 1 2 3. For a three wire connection you will have either a red wire a white wire and a green wire or a red wire a yellow wire and a green wire. Green wire to c red wire to r blue wire to. The new thermostat model rth6450 does not have 1 2 3 numbers.

It is easy to read with a intuitive dial and is non programmable. The video shows the connections inside the thermostat and explanation of how they are wired to the fan and battery and relay. Where do we.

How to wire honeywell wall or room thermostats how to wire a honeywell room thermostat. The old wiring is as follows. Red is the universal color indicating a hot wire.

My old honeywell thermostat three wires is number 1 2 3number 1 wire is red number 2 wire is white number wire is blue. In most cases the hook up will be the same. Im confused about the new wiring diagram.

If they are connected incorrectly the thermostat can burn out. How do i install wire up a room thermostat like the honeywell round wall t87f series thermostat. Offering indoor climate control is the honeywell round 3 wire thermostat and its mechanical operation with a traditional circular housing.

To replace a three wire thermostat connect each of the three wires to the right connection. Connect the wires to the honeywell thermostat utilizing the labels from when the old thermostat was removed. Guide to honeywell thermostats for heating and air conditioning systems where is the best location for a honeywell room thermostat.