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Posted by Injun Ear on December 30, 2008, 8:18 am
I've been getting a similar problem. My heat pump unit will blow cold
air while it's in defrost mode. Most of the people on here have been
very helpful while some have dissed me. They are saying there is a wire
that needs to be connected in order to activate the aux heat while the
unit is in defrost mode. I have not had the $$ to get a tech out here
to do it, but I will soon. (Income tax time!)
Anthony wrote:
> At around 38 and below degrees, the outside unit will heavily frost up or
> ice up and run continually like that for an extended period of time. Say
> around 1 or 2 hours before defrost mode kicks in. Its doesn't seem to do a
> complete job of defrosting all the time either.
> It will run almost continually most of night blowing out cool or room
> temperature air, barely keeping a degree below set temp.
> Aux. heat has never kicked in during defrost or otherwise. But it will, if
> I crank up set temp a couple degrees above original.
> Is there a problem with it, running constantly all night like that?
>
>
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> ice up and run continually like that for an extended period of time. Say
> around 1 or 2 hours before defrost mode kicks in. Its doesn't seem to do a
> complete job of defrosting all the time either.
> It will run almost continually most of night blowing out cool or room
> temperature air, barely keeping a degree below set temp.
> Aux. heat has never kicked in during defrost or otherwise. But it will, if
> I crank up set temp a couple degrees above original.
> Is there a problem with it, running constantly all night like that?
>
>