A wiring diagram is a simplified conventional pictorial representation of an electrical circuit. It shows the components of the circuit as simplified shapes, and the power and signal connections between the devices.
Wiring Diagram Old Round Honeywell Thermostat. The wires are blue green white orange and red. If you check the honeywell thermostat ct31a1003 wiring diagram you ll see that it requires only two wires. If you have a trane model thermostat and have a wire labeled x or b refer to your thermostat manual.
If the wire labels from your old thermostat hookup don t match the above honeywell offers additional advice that we adapt in table form provided in detail at honeywell 5 2 day programmable thermostat rth2300b1012 wiring. If you have a c wire place it into the c terminal on your wall plate. This wire will go to the g terminal on your new thermostat. If you check the honeywell thermostat ct31a1003 wiring diagram you ll see that it requires only two wires.
This t stat also needs no c wire.
How is a honeywell thermostat wired. If you have a trane model thermostat and have a wire labeled x or b refer to your thermostat manual. How to wire a honeywell thermostat with 4 wires. This t stat also needs no c wire. A look at a iconic bit of equipment the classic honeywell round thermostat.