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Old 09-16-2010, 09:12 PM   #3
DANTIP
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Join Date: Sep 2001
Location: Fort Wayne, Indiana, USA
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Re: Head Pressure building up

Over-charging is a possibility. Extra system charge effectively reduces your condenser's capacity. Also air in your system will end up in the condenser and will increase your discharge/head pressure. Was the system properly evacuated prior to charging?
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