Coleman Heat Pump blowing cold air
Hey all- We have a 2015 Itasca Sunstar (Winnebago Vista) with a Coleman A/C which also functions as a heat pump. When in heat pump mode it frequently...but not always....blows hot for awhile the...
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The heat exchanger on the outside is almost certainly icing up. Unfortunately thats the nature of a compact heat pump, especially if you are anywhere other than a dessert climate. Commercial office trailer heat pumps have a built-in de-ice mode, where it reverts to A/C mode for a few minutes to quickly melt any ice. But your unit probably just needs to be shut off for 5-10 minutes.
