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Old 12-25-2008, 12:55 PM   #16
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Heat Pump + Aux Heat Problem - Can You Help?


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Originally Posted by beenthere View Post
If you have any of the events, (wake, leave, etc) programed for circ, it will over ride the fan auto setting on the screen.
Interesting to know and makes sense. But mine is not over ridden.

Based upon what I am hearing, I am starting to wonder if my heat pump is simply NOT wired to trigger the aux heater on defrost. And I just never noticed this until now with the snow and cold weather and me snow-bound stuck at home.

Thanks to all and happy holidays.

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Old 12-25-2008, 02:16 PM   #17
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Heat Pump + Aux Heat Problem - Can You Help?


In "defrost" mode, the heat pump actually switches back to summer cooling to melt the frost and ice on the outside unit.

If the inside fan continues to run, then it will feel like you turned off the heat and turned on the AC. Which is what you are experiencing, it would appear.

Having the aux heat on to counter this would increase the comfort level, but make your electric bill go up.
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Old 12-25-2008, 06:37 PM   #18
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Heat Pump + Aux Heat Problem - Can You Help?


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Originally Posted by kbsparky View Post
In "defrost" mode, the heat pump actually switches back to summer cooling to melt the frost and ice on the outside unit.

If the inside fan continues to run, then it will feel like you turned off the heat and turned on the AC. Which is what you are experiencing, it would appear.

Having the aux heat on to counter this would increase the comfort level, but make your electric bill go up.

the indoor fan always will run when defrost is initiated
and heat strips should always come on when defrost is initiated
this is standard operating procedure
if not somethings wired wrong

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