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Old 01-04-2018, 10:40 AM   #1
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Heat pump

Hi there I have a question as to why the condenser on the heat pump freezes up on the heat mode.
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Old 01-04-2018, 02:44 PM   #2
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Location: 5 miles south of Lakeville, Mn
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Originally Posted by Jarcho03 View Post
Hi there I have a question as to why the condenser on the heat pump freezes up on the heat mode.
It's just an AC running backward. I would suspect it may be low on Freon.
Jim and Carol Cooper with Oreo the Kitty
FAA ATC ret, VFW, Legion, VVA, NRA
2002 Journey, Cat 330, 2015 Ford Explorer Blue Ox, AF1
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Old 01-05-2018, 07:22 PM   #3
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In the heat pump mode the outside condenser becomes the evaporator. During high humidity frost will form on the coils. The units used on RV’s do not have the controls to reverse cycle and heat the coils. So it is best to shut it off a let it defrost.
Grant & Pat
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