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Posted by KJPRO on June 4, 2008, 11:27 pm
>
>> Veck wrote:
>>> Hello all,
>>>
>>> I moved into my 3,200 sq. ft home about 1 year ago. I have 2 3.5-ton
>>> Trane units (2TXCB036BC3HCAA). Last fall, I had to call the home
>>> warranty people because my upstairs unit was not cooling properly
>>> (could not maintain 77 degrees with 85-90 degrees outside). They
>>> detected a leak and replaced the evaporator coil. Now that Summer is
>>> on the way, I'm noticing similar problems. I've had a very
>>> experienced HVAC person maintain my systems every 6 months (his visit
>>> 3 weeks ago was his third time working on my systems). He verified
>>> pressures and charged me with 2 lbs. 10oz of refrigerant.
>>>
>>> Since then, the upstairs is still not cooling properly. It was 85
>>> outside yesterday and today and 80-82 inside. The unit is running
>>> constantly. I don't believe it's freezing up because I can feel
>>> airflow at each vent, but the air is not very cold as compared to the
>>> air which comes out from the downstairs unit.
>>>
>>> The downstairs unit is located in my cool basement whereas the
>>> upstairs unit is in the hot attic. The downstairs is using mainly
>>> galvanized duct whereas the upstairs is using the insulated circular
>>> duct. I've noticed the airflow coming out of the downstairs vents is
>>> much more forceful than upstairs. Also the air coming out of the
>>> downstairs unit is much colder. Unfortunately I don't have the
>>> required instruments to measure the actual temperatures in these
>>> cases.
>>>
>>> I've logged a call with my home warranty folks so hopefully I'll have
>>> another pair of eyes on the problem. Any other thoughts on what the
>>> problem could be?
>>>
>>> Thanks!
>>>
>>> /Brian/
>>>
>>>
>>>
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>>
>> Failure #1 = Trane Unit
>> Failure #2 = Home Warranty Service
>> Failure #3 = Hot attic, cool basement, not the problem. Refrigerant
>> charge, that's the problem.
>
>
> Gotta love DIY... I just pulled 7lbs 12oz of *excess* refrigerant charge
> out of a 10SEER 3 ton A/C.
> That was the first time I had ever *seen* 95psi SP, and 475psi LLP with a
> scroll compressor.
Did my competitor open a new store in your area???
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