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Posted by Noon-Air on May 27, 2007, 8:29 pm
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>> Had a new lennox high eff ac installed 6 years ago. Had it serviced this
>> year to clean the A coil. Week later the unit is out of freon. Called
>> themback and said it was most likely the A coil leaking although he could
>> not find the leak. Finally got a hold of the orig installer (diff co)
>> and he came over and pump it up at n/c 9 pounds of freon and a day and
>> half later the compressor shuts off due to low pressure (out of freon
>> again). Both techs cannot find the leak.
>>
>> Leaking that fast should'nt it be easy to find the leak? Far fetched ?,
>> but could it leak on the pipe run from the compressor to the a coil
>> somewhere due to a crazy vibration that wore a hole in the line?
>>
>> 2nd tech says he soaped the a coil and used his leak detector and could
>> not find it leaking on the a coil.
>>
>> What should I ask the tech to do to find the leak? Whats the proper
>> procedure?
>>
>> thanks.
>>
>> Mango
>
> As a followup, I went down stairs and traced the line coming out of the
> furnace back to the compressor and I notice some oily residue about two
> feet in under a finished room. I also noticed that the clip holding the
> line to the floor joists rusty. Would a leak of that size leave an oily
> residue?
yes
> thanks for everyone's help btw.
> Muffy
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