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Old 05-05-2021, 10:38 PM   #1
tooth ferry
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Join Date: Mar 2015
Location: Pell City
Posts: 289
M.O.C. #17209
AC freeze-up

2014 Montana High Country 2ACs a 15,000 ducted and a 13,500 non ducted. Both worked fine until last Sept when both started freezing- up. The tech said non ducted was not a great installation and some of the tape and sealing material had come loose and was the problem for that one. The tech attributed the problem on the 15000 ducted unit to low coolant (I know not freon anymore) and said that unit could not be re-charged would need a new unit . I delayed replacement until I could use the 5er again and this is the first time we have used it and are seeing the same problems. My questions-- can units be recharged and can you see any reasonable scenario where both would occur at the same time? The nonducted was supposedly fixed but has still frozen the last three days in a row. Both still pump cool air but both still freeze.
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Old 05-06-2021, 05:27 AM   #2
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Join Date: Oct 2019
Location: Jacksonville
Posts: 952
M.O.C. #25165
It could be low on refrigerant or it could just need to be cleaned. Here's a great video on AC maintenance.
Robert & Diana McNeal
2019 Montana Legacy 3791RD 20th Anniversary Edition
2014 F350 4x4 6.7L SRW
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Old 05-06-2021, 06:47 AM   #3
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M.O.C. #22835
Did you happen to read through this recent thread on MOC? If not: Click Here.. Your situation may be different. But, maybe not?
2019 Montana High Country 375FL
2014 Chevy Silverado Duramax, 6.6L Dually
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