I just got a honeywell thermostat my old one broke now i dont know where the wires go help????
Question:i have a red orange white black
Answers:
you got lucky, my central heat and air had 8 wires
There should be a confusing wiring diagram that came with the new thermostat. I would try all the wiring combinations that they list until you find the one that works. It is all low voltage so it will not kill you or burn your house down.
I have read that the Honeywell website is of little use in helping.
Look carefully at the actual back of the thermostat where the wires go. If there is an "R" then that most liely where the red wire goes- "O" for orange and so forth, the black is possibly a ground so if it mentions a ground wire, try that one there.
Here is a generic wiring scheme, it is for heat and air but it might help:
Conventional --- HP
C --- C
G --- G
Y --- Y
W --- O/B
RC (jumped to R) --- RC (jumped to R)
R --- R
W2 --- AUX
Y2 --- E
--- L
dont know
If you bought a new thermostat, it should have come with installation instructions that describe the hook-up procedure. They usually also have illustrations to help further. If you don't have instructions perhaps someone else more knowledgable will be able to help or you could call a heating and cooling contractor to do it for you.
If it's the old Honeywell round one, it's the T87F and on the subbase, (the part screwed to the wall) there should be markings. R,C,Y,W,G etc.
R is power in (usually red)
C is common (blue, maybe black in your case)
Y is yellow and is your cooling
G is green (fan)
W is white (heat)
This is the "norm" but it seems you have different wires coming into the stat. If you still have the wires connected to your old subbase, you can transfer them over one by one but you may want to hit that red switch that turns off your furnace so there are no sparks. It's nly 24v but it can still scare the hell out of you.
call the company you do not want to start a fire from putting the wires in the wrong places
I have seen this a few times, and can be a problem for Mr. Homeowner. I've had success by looking on the air handling unit where the connections are. Sometimes it will be marked. Match color to function, write it down, and transfer to the thermo.
More Related Questions & Answers...