3 Wire Honeywell Thermostat Wiring 1 2 3

The new thermostat model rth6450 does not have 1 2 3 numbers.

3 wire honeywell thermostat wiring 1 2 3. My old honeywell thermostat three wires is number 1 2 3number 1 wire is red number 2 wire is white number wire is blue. It is easy to read with a intuitive dial and is non programmable. The old wiring is as follows. Im confused about the new wiring diagram.

Offering indoor climate control is the honeywell round 3 wire thermostat and its mechanical operation with a traditional circular housing. How do i install wire up a room thermostat like the honeywell round wall t87f series thermostat. 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 three wires are red white and blue or yellow depending on the manufacturer. Where do we. 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.

In most cases the hook up will be the same. Red is the universal color indicating a hot wire. I have an old honeywell. If they are connected incorrectly the thermostat can burn out.

The video shows the connections inside the thermostat and explanation of how they are wired to the fan and battery and relay.