Thermostat Installation Westinghouse (Nordyne) FT5BD-030K
Posted 02 October 2011 - 06:54 PM
We currently had a Honeywell Digital TH5220D1003 (non programmable) thermostat (link here: Product) on our downstairs Westinghouse (Nordyne) FT5BD-030K HVAC (link here: WESTINGHOUSE FT5BD-030K Heat Pumps). There is a separate unit for the upstairs. It was working fine. Then we wanted to install a new honeywell digital thermostat (model RTHL2310) that was programmable (link to product here: RTHL2310B | 5-2-Day Programmable Thermostat).
I removed the wires and labeled them. They are either:
Conventional (which I assumed to the correct one)
R (red wire), Y (yellow wire), C (blue wire), W (red wire), G (green wire), W2 (white wire)
R (red wire), Y (yellow wire), C (blue wire), O/B (red wire), G (green wire), Aux (white wire)
Next I connected the new thermostat as follows matching the conventional labels above:
R (red wire), W (red wire), Y (yellow wire), G (green wire). I did nothing with C (blue wire) or W2 (white wire).
The result was that the unit just blew warm air. I then hooked the old thermostat back up and still no cooling.
So I believe the Westinghouse is not working period and I do not have the wiring correct.
Any direction would be greatly appreciated!
Posted 04 October 2011 - 04:49 AM
Edited by jb8103, 04 October 2011 - 05:00 AM.
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