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Old 07-01-2013, 04:43 PM   #1
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Oil in air handler coil.


Just picked up a goodman air handler. The a coil was compressed with air. I guess that means that it wasnt leaking and it a good coil. But, when I released the pressure a foamy oil came out of it. Is that normal? The tech installing it days its normal. Anyone care to chime in.

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Old 07-01-2013, 05:10 PM   #2
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Oil in air handler coil.


Moved to HVAC forum.

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Old 07-01-2013, 05:40 PM   #3
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Oil in air handler coil.


I supposed it was used??

Now you may have a heck of a mess. Air and moisture and dirty oil from the last guy's unit in your system. The foam was the oil. If it was new it would have had dry nitrogen and no oil in it unless Goodman is doing something different these days. Hopefully he put a new filter drier on and pulled a deep 500 micron vacuum on the system with a vacuum pump.
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Old 07-01-2013, 06:17 PM   #4
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Oil in air handler coil.


He picked up the unit from a GPS location. It was brand new. I helped him in pack it. In the manual it says that the valve isn't permanently installed. U have to unscrew the compression fitting that has a plug. Behind that plug was the air and oil. The unit looks brand new. It is an older model unit. I only swapped it out because mine is from 89 and it smells horrible. He is going to vac it down he said to remove all moisture. I was just wondering about the oil. It smells like WD40..its dark yellow in color.
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Old 07-01-2013, 06:27 PM   #5
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Oil in air handler coil.


How can I clean up the oil that sprayed on the coil and drain pan? I was going to by a citrus degreaser to clean it off before running it or trying a coil cleaner that claims to clean off oils and grease...what are ur thoughts.
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