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Posted by aka-SBM on July 24, 2006, 11:23 am
>
> : OK... you say you have a basic understanding of the refrigeration cycle
> : (A/C)
>
> : Answer me this... what will cause a frozen coil?? (hint- there are only
> 3
> : things)
>
> : The vents and filters will normally fix the first one.... until some
> idiot
> : takes the covers off a cased coil while the system is running and
> wonders
> : why it frosts up.
>
> : The other problem will need to be corrected by a licensed technician.
>
> Well, what I read that applied to me was that poor airflow (dirty filter,
> bad fan belt, ductwork blockage), low refrigerant or a leaking coil
> would cause freezing. I didn't take the cover off a running system to see
> that they were iced. There was freezing on the refrigerant line right
> where it begins to enter the coil, which is visible without removing
> anything. After running it for a bit and not getting any cold air, I
> removed the panel and found further icing inside.
>
That would be bullshit, since the line would START to freeze at the
distribution head, and NOT at the line where it enters the coil.
However, if you let it run for an hour and then looked..yea..you were
sluggin the hell out of it.
> I simply wanted to ensure there was no simple thing I was overlooking. I
> like to be informed about how things work, what causes problems and
> generally be informed when a technician arrives. It doesn't matter if
> it's my HVAC, my car or anything else. I know when I'm in over my head
> and need to hire a professional, which I intend on doing first thing in
> the morning. I didn't realize that wanting to be informed was such a
> crime around here.
Then you understand that basically two things cause a freezing coil, and
barring one, you know what you need to do.
>
> Steve
>
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