Question about AmcorAire UCHW-H24AF2 Split System Air Conditioner

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AMCOR UCHW-H24CF2 Problem. Inside unit: in clean environment. Trying to maintain 74 deg F. inside of workspace. Outside unit: in dirty/dusty salt mine environment in deep salt mine (1/2 mile underground). Outside temp. in mine is mid 80's deg F this time of year. Mid summer it runs about mid 90's. Problem: Error message E4. Vacuum cleaned coils on outside unit. Followed manual on startup. Set temp to 72 deg F and unit ran approx 20 to 25 minutes. Stopped again with same error message. Air from inside unit was initially cool but not cold. Never got cold even though temp in workspace was mid 80's. What do you suspect is the problem with the outside unit? Thanks.

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The E-4 message indicates low on refrigerant (R-410A type) You will need guage hose adapters sold by Ritchie/Yellow Jacket # 19173
Pridiom Group 201-266-8234 option2

Posted on Jan 04, 2011


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