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Posted by Ben on May 30, 2007, 10:19 am
>
> > I have two central ac units for my house in central NJ. The
> > downstairs unit as always worked fine, but not the upstairs unit which
> > is approx a 100,000 btu unit. I decided to start looking in to it and
> > noticed that the evap coils are not all cold with the upstairs unit.
> > Maybe 1/2 to 3/4's of them are cold and sweating. The suction line
> > doesn't sweat on this unit, but always sweats on the downstairs unit
> > back to the condensor. So, what are the possible reasons so that when
> > I have somone take a look, I have a bit more understanding/knowledge.
> > Thanks, Ben
>
> Why do you need to understand it unless you're thinking you can fix it
> yourself. Since you've had the cover off already, I'd say it's a safe
> bet that you're just wanting a freebie. If you just have to know,
> there are precisely two possible reasons for what you're seeing:
>
> 1) Undersaturated coil.
> 2) Nothing wrong at all.
>
> There are a ton of specific reasons that #1 can occur, and keep in
> mind that not all of those indicate a problem with the system itself.
>
> Which of those possibilities do you think we should pick right out of
> our ass for you?
Wow....
I never imagined what I thought would be a simple quesiton would
invoke so much
hostility. You asked:
'why do I need to understnd it unless you think you can fix it
yourself. I'd say
it's a safe bet that you're just wanting a freebie'
I wanted to understand because I never thought this system worked
correctly.
It never cooled well. Was never able to keep up with cooling on hot
days and taking a long time in the
evening, after the sun went down, to bring the room to a comfortable
temperature.
So what if I did want what you call a 'freebie' ? Or, what if I just
wanted to have a better understanding so that
I wouldn't need to take the word of a disreputable repair person,
which I have seen plenty of
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