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Can I install a motion detector vacancy switch without using red wire? The switch box only has black and white. Is there a way without running new wiring to the wall switch box? Thanks.
But no power the red wire to the controller i dont know what the problem is is the board bad? I know the controller still working cuz i check with the 24 volts the light on. Oh i event jump to bypass the the 4 wires nothing happen the fan not event on what else i sould check
Thank you for your help
I am replacing my old thermostat, the wiring is as follows:
green wire > G terminal
blue wire > Y terminal
white wire > W terminal
red wire > R terminal
there is a jumper between the r’s as well
I am replacing this with a white-rodgers 1F85-0471..which I can not contact on Saturday..thought might get some help here
should i use the same terminals on the white rodgers? the wiring diagram in the installation instructions are very vague. appreciate any help.
a simple gas heat furnace that was only using a black and a white wire to the old thermostat. This does not match anything, maybe white, but what about black?
Red wire, black wire are actually the two coming from the wall, disregard the white.
Does the red wire go directly to the battery?
have an old sears a/c thermostat replacing it with honeywell rth2310, when i took off the back there is only a red wire and a white wire. I’ve connected it different ways but it’s not working properly, it says the ac is running but it is not. please help
when i open my old thermostat there are 2 wires coming out, red and black. in the honeywell system it gives me options for the red wire to be put in, but where does the black wire go ??