Check out some similar questions!
Replacing old "General Controls" thermostat. How to determine what the wire do?
[ 5 Answers ]
I am replacing an old "General Controls" thermostat, model T-90H110A137, 24 volts max, 0.8 AMP. The wires are labelled but not to the current standard of H1/H2/B/O/RC/RH/G/Y/W. how do I determine which wire is for what? The old thermostat controls a furnace and has a continuous fan option. ...
Replacing White-Rodgers 5 wire thermostat -- yellow connects to "A"?
[ 2 Answers ]
I have a White-Rodgers 1F56W-444 ac/heat thermostat. I want to replace it with a Honeywell RTH110B thermostat. When I remove the old thermostat, the wires are connected from the wall to the thermostat as follows: R -> Rc G -> G W -> W B -> Y Y -> A
Thermostat Wiring -- Where to put "O" wire if I have no heat pump
[ 1 Answers ]
I'm trying to replace an old Dayton thermostat (Model 2E137) with a newer Honeywell (either the 6300B or the 7400). I have a Bryant 80 furnace in the basement and a Bryant Quantum Plus 550A air con outside. The Dayton thermostat has wires going to six terminals: R, 4, Y, W, G, and O I know...
Furnace Wiring - Adding a common "C" wire
[ 19 Answers ]
My new thermostat has uses a W,R,Y,G and now a "C". My wiring has only W,R,Y, and G and these are needed. How do I, or can I add the needed "C" wire? Is it just adding a wire from the transformer? :confused:
"common wire"
[ 1 Answers ]
I have a Carrier gas/ ac system installed in 1998. I just bought honeywell digital thermastat that requires a "common wire". I have blue, tan, black and orange not being used. How can I test to determine which is "common" ? View more questions Search
Add your answer here.
|