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I am changing from a 2 wire Carrier Thermostat that goes to
Hi I am changing from a 2 wire Carrier Thermostat that goes to a control module to a nest thermostat. Can I use the wires I found in the control module terminals :Rc;Y;W; etc. and wire nut my thermost… read more
BillyHvac
BillyHvac
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State Licensed Mechanical Contractor
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I have a Carrier Edge thermostat that I want to change with
I have a Carrier Edge thermostat that I want to change with a Nest thermostat. Need some help. … read more
Tamar D
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I currently have the Honeywell YTH9421C1002 and the
Hello I currently have the Honeywell YTH9421C1002 and the controller is using only 3 wires from the Equipment interface module. I received the Honeywell RTH9585WF for Christmas. … read more
airheatman
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I appreciate your advice and since I cleaned the part you
I appreciate your advice and since I cleaned the part you suggested, I have had no additional red flashing lights or Error 22 codes.I am also interested in replacing the current Trane Comfortlink II p… read more
BillyHvac
BillyHvac
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State Licensed Mechanical Contractor
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I have the new nest thermostat that has the wires W2, K, R,
Hey billy! I have the new nest thermostat that has the wires W2, K, R, W, C. Called the nest team and they said to return it, I was curious if you could offer some assistance! I appreciate it in advan… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
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I have a thermostat with v+ vg rs+ rs- connection's Green
I have a thermostat with v+ vg rs+ rs- connection's Green yellow blue red wires and no idea how to connect back. As in which color goes where … read more
BillyHvac
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I'm trying to replace a cheap Honeywell thermostat which
I'm trying to replace a cheap Honeywell thermostat which controls a Lennox model CH33-44/48B-2F. All wires attaching from the model correspond with inputs into the Hive (like a Nest) thermostat EXCEPT… read more
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Trying to install a nest thermostat to an amana furnace that
Trying to install a nest thermostat to an amana furnace that uses the "1" and "2" labled wires from the control board … read more
BillyHvac
BillyHvac
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I would like to install a NEST Thermostat in my home. I
I would like to install a NEST Thermostat in my home. I currently have a Honeywell Chronotherm IV Plus. NEST says it is not compatible with my system. I have 5 wires hooked up to my back plate now wit… read more
BillyHvac
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Billy, I just read your dissrtation about Payne Led Code 24
Hello Billy,I just read your dissrtation about Payne Led Code 24 resolutions. Greatly appreciated.I believe i was the numbskull that blew the purple fuse when trying to install a nest e thermostat.Whi… read more
BillyHvac
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We replaced our thermostat with a Nest unit today. We had to
Hi! We replaced our thermostat with a Nest unit today. We had to shut off the main power to the furnace and when we went to turn it all back on... The furnace blower turns on but cool air comes from t… read more
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Hi, I am wanting to install a Nest 2nd generation thermostat
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airheatman
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Install NEST Thermostat to replace Honeywell 7-Day Program
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Hi - I am replacing my honeywell programmable thermostat and
Hi - I am replacing my honeywell programmable thermostat and a burned out Perfect Climate W900A module with a 4 wire manual honeywell thermostat. I need directions on how to wire in the basement. Ther… read more
BillyHvac
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On my wall thermostat and inside the furance I have wiring
On my wall thermostat and inside the furance I have wiring going to r,c,y,g,w I'm trying to wire in a equipment interface. The interface for the wiring is like this. Left side IN2- IN2+ IN1- IN1+ D- D… read more
Rick Mather
Rick Mather
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hello i have a XV95 trane furnance. It is controlled by a Honeywell
hello i have a XV95 trane furnance. It is controlled by a Honeywell programmable thermostat with the interface module. I also have a boiler system in my house.What i would like to do is when the therm… read more
BillyHvac
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Trying to install Ritetemp 6036 Name of old thermostat
Trying to install Ritetemp 6036 Name of old thermostat : Arcoaire Model of old thermostat : 9105N or T874R1517 Model of old subase : Q674L 1538 or 9105N Below are the terminals that have wires attache… read more
Douglas
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hi, installed model rth221b thermostat that has y, w, g, r,
hi, installed model rth221b thermostat that has y, w, g, r, rc terminals I have four wires red, green, white and blue. does blue wire go on the yellow terminal the furnace seems to short cycle since I… read more
BOILERMAN856
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