Question about Haier HC48C1VAR Central Air Conditioner

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Just had the haier 4 ton 13 seer outside unit installed. my inside unit is a payne and still in good condition.had a 4 ton 10 seer outside unit previously. my problem is the unit froze up the first night we used it. what do we need to do

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  • FNGHVAC May 11, 2010

    Call the guy who installed it and get the warranty details. Where is the unit froze up at? If the line is freezing outside, check your filter and whether or not the blower is running. Was the line set replaced?

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Your problem is that your 13 seer outdoor unit is not compatible with your 10 seer indoor unit, even though the tonnage is the same. The metering device on 13 seer indoor units is different. Most 10 seer indoor units do not have an expansion valve. When you change from a 10 seer outdoor unit to a 13 seer outdoor unit, you must, at the very least, change the from a fixed-orfice metering device to an expansion valve.

Posted on Aug 01, 2009

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