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Type: Posts; User: nukefission

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  1. Would it be a lot of work for the tech or a...

    Would it be a lot of work for the tech or a little?
  2. After some further research, I think I understand...

    After some further research, I think I understand a little better what's going on. This afternoon, the outdoor temp was in the mid 30*s and I noticed that the indoor blower was running continuously...
  3. I don't understand how I would eliminate the fan....

    I don't understand how I would eliminate the fan.

    What's weird is that the fan ran continuously when set to ON before. The only change since then was the duct cleaning (shouldn't have changed...
  4. Honeywell RTH7500

    Honeywell RTH7500
  5. Circulation fan doesn't run when tstat set to ON

    I have a Trane XE90 heat pump with propane auxilliary (fossil fuel kit). Now that I'm in the heating season I've set the fan to operate all the time ("ON") to aid with circulation of warm air from...
  6. No. With the 60 amp breaker off the unit doesn't...

    No. With the 60 amp breaker off the unit doesn't function.

    In the interim I've simply set the systems to a cooler temp throughout the day. The systems run more often now and it feels slightly less...
  7. Do you think it's worth switching the tstats out...

    Do you think it's worth switching the tstats out for ones that have an adjustable dead band? Does an air handler have to have a variable blower in order for the tstat to adjust the speed, or can a...
  8. Thanks for the responses. The upstairs unit...

    Thanks for the responses.

    The upstairs unit still cools and cycles on and off like before. The only difference is the humming.

    Yes, the downstairs unit is equipped with a fossil fuel kit.
    ...
  9. Trane hum after tstat install, and insufficient dehumidification

    I recently moved into a new home (constructed 1989). It has a lot of finished square footage at 3800 sq. ft., including a finished basement. HVAC are Tranes:
    -3 ton heat pump with propane auxilliary...
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