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Posted by on May 29, 2008, 9:47 am
Actually, he watched his boss work on it, and his boss let him clean
the coils as a reward.
On Wed, 28 May 2008 21:18:44 -0700 (PDT), vickin@usa.net wrote:
>Stormy has only ever worked on ONE TRANE HEAT PUMP??? Oh, that's
>right, I forgot he was a lock picker.
>
>
> Hvacmam
>
>
>On May 24, 7:43 pm, "Stormin Mormon"
>> The one time I worked on a Trane heat pump, it looked clean as can be. Just
>> for good measure, I gave it some alki foam on the condensor coils. Wait a
>> while, rinse it off. Repeat to see if anything visible happened. I didn't
>> get the good white foam I usually get with window AC. Fired up the unit, and
>> the amperage had dropped about an amp.
>>
>> This was about a year ago, don't have all the numbers, pressures, and so on.
>> But, cleaning the condensor never hurts.
>>
>> Buzzing. Well, could be main contactor. Makes me wonder if the reversing
>> valve is operating, to throw the unit into defrost? Just don't know, not
>> there to see.
>>
>> Rising indoor temps while under load sounds like either low charge, or a
>> dirty coil. Indoors or out. More likely outdoors.
>>
>> Please let us know how things work out.
>>
>> --
>> Christopher A. Young
>> Learn more about Jesus
>> www.lds.org
>> .
>>
>>
>> Hi all-
>>
>> I have a question concerning my old (1993)Trane 1400XL. As it's gotten
>> hotter out it seems to be running longer, and not blowing quite as cool as I
>> remember it being this time last year. It normally has a duct temp of 55-58,
>> but it will now rise up to 61-63 during the peak of the day (about 95
>> outside). Being I was in the trade eons ago,and still having some of my
>> equipment, I decided to hook my gauges to it and see where it was at. The
>> high side was around 225, the low around 80, and the superheat fell right in
>> the middle of the chart for the unit (10 degrees). Just as I went to remove
>> the gauges I heard a buzzing that sounded like a relay. The moment the
>> buzzing started the superheat reading fell to within 2 degrees which is
>> obviously outside the acceptable range. After a few minutes the buzzing
>> stops and the superheat reading goes back to normal. It seems to repeat this
>> cycle every 5-10 min day or night. My question is- is this normal for this
>> unit or may I have a problem?
>>
>> PS- Before you guys hammer me for being a DIY'er, I have no intentions of
>> doing anything further myself. If this operation is not normal I will be
>> calling Trane out next week.
>>
>> TIA,
>>
>> Jon
>
>
--
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