There was a black wire not hooked up. Replace the control panel after. Most often, the wires will be held in place with a small screw.
Guide to wiring connections for room thermostats
Web try the tool wiring compatibility faqs what is a c wire?
What If I Don't Have A C Wire?
Grace cary/moment/gettyimages in this article honeywell thermostat. It's a straight swap, the diagrams you posted show that the terminals of the old and new thermostats have exactly the same function number for. Locate the circuit breaker in your home's service panel (breaker box) that.
Web On The First Floor, The Old Honeywell Thermostat Has 2 Red Wires Both Connected To R And 2 White Wires Both Connected To W.
Our customer care team can help determine if your. These wires are responsible for switching the changeover valve in a heat pump system. Web honeywell thermostat wiring:
Thermostats Come With Many Different Wiring Methods.
I am replacing old 2 wire thermostat with honeywell th3210d1004. The wires from the old thermostat are green and white. Web updated nov 16, 2022 reviewed by philip schmidt, remodeling expert image credit:
Web I Am Installing A Honeywell Digital Thermostat.
Web i tested them to ground and the yellow wire (1) is live, i have attached a photo of the original wiring diagram that is on the back of the old thermo cover. The o wire reverses the valve from heating to cooling, and the b wire switches. Web replacing old 2 wire thermostat with honeywell th3210d1004.
Web Nest Wiring, Honeywell Thermostat Wiring, Old Thermostats, And So On.
