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Posted by udarrell on May 31, 2007, 10:31 am
Ben wrote:
>
>
>>Ben wrote:
>>
>>
>>>
>>>
>>>>
>>>>
>>>>>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
>>>
>>>
>>Ben over- Hide quoted text -
>>
>>- Show quoted text -
>>
>>
>My last post....
>I find it it very interesting there seem to be so many frustrated
>people adding to this forum. Why are you even answering at all? If
>you are so fed up with answering what you think are stupid questions,
>don't answer. One day you will need someone elses advice, auto
>mechanic, Lawyer, Dr. I don't care. I only hope they respond to you
>in the same professional and curteous manner.
>
>
An Eight (8) Ton A/C for the upstairs of your home in central NJ with a
similar Summer Design to SW WI?
Is the upstairs level 4,000 to 8,000-sq.ft., how high are the ceilings
in the rooms? Was a Manual J performed to indicate the heat-gain?
http://www.udarrell.com/air-conditioning-contractors-seer-eer-sensible-latent-heat.html
- udarrell
--
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