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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I changed thermostat in summer time. It is heating pump in

Customer Question

I changed thermostat in summer time. It is heating pump in condominium - Whalen VI-A-401-BO
From WHalen mercury thermostat (with red,yellow,blue and green wires connected to respective terminals R,Y,B,G).
To Honeywell RTH2300. AC was working fine in summer. Heating does not work.
Could you suggest wiring, please.
Submitted: 1 year ago.
Category: HVAC
Expert:  airheatman replied 1 year ago.

Let me see if I can find a manual on your old thermostat.B on many older thermostats was Common. Not so on the 2300.

Do you have mode lon old stat available?

Customer: replied 1 year ago.
Yep, I installed the old one (mercury). Heating works fine.
Expert:  airheatman replied 1 year ago.

What is model on old tstat?

Customer: replied 1 year ago.
not sure, LR1620?
Expert:  airheatman replied 1 year ago.

I am looking for a manual .Did the old stat have those named terminals RYBG

Customer: replied 1 year ago.
The wire colors matched terminal letters.
There is no white wire.
Expert:  airheatman replied 1 year ago.

I a not finding any manual on this.I am going to open to other experts who may be more familiar with the Whalen brand.

Customer: replied 1 year ago.
OK. send me email please. Would lie to make sure that it is one time charge. As far as I know I did not sign for membership.
Customer: replied 1 year ago.
I wonder whether someone works on my question?

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