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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have a 693D heat pump and a Honeywell RTHL 2510

Customer Question

I have a Bryant 693D heat pump and a Honeywell RTHL 2510 THERMOSTAT.
Which wires on the furnace go to the ones on the thermostat?
Submitted: 1 year ago.
Category: HVAC
Expert:  Kcrand36 replied 1 year ago.

Hello, I am Kevin, one of the Tech's here on JA.

Customer: replied 1 year ago.
Hello
Expert:  Kcrand36 replied 1 year ago.

I see your asking which wires go where?

Customer: replied 1 year ago.
The Honeywell does not match up with the Furnace wires
Expert:  Kcrand36 replied 1 year ago.

are you changing a thermostat?

Customer: replied 1 year ago.
Original failed.Trying to connect the Honeywell.The Bryant wires areR
W1
W2
Y
G
O
CAPPEARS COLLOR EXCEPT C
Expert:  Kcrand36 replied 1 year ago.

and what are you changing to?

thermostat?

Customer: replied 1 year ago.
Honeywell RTH2510. Has wires:B O G Y W/AUX Not used. R Rc
Expert:  Kcrand36 replied 1 year ago.

what thermostat did you have prior?

Customer: replied 1 year ago.
No markings. Attach a picture.
Expert:  Kcrand36 replied 1 year ago.

looks like an old white rodgers tstat. do you have a picture of how it was hooked up before changing? wiring ect?

Customer: replied 1 year ago.
No. Sorry.
Expert:  Kcrand36 replied 1 year ago.

so you have taken the old thermostat off, and replaced it. ? did you replace wire for terminal designation? in other words, if it was "r" you hooked to R, and "w1" you connected to W1 or W?

Customer: replied 1 year ago.
The old thermostat wures were not labeled. I assume "R" for red, "G" for green etc.
Expert:  Kcrand36 replied 1 year ago.

they may not have been labeled, but on the thermostat, they must have been. This is important. Otherwise, you need to start from scratch, trace wires to there designation and so on ..........