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 roof AC units on some models are also heat pumps. As mentioned earlier the system is reversed when in the heat pump mode. If you get warm air for a short time then it turns cool or cold the evaporator is frosting over.
There should be a temperature sensor stuck in the coil. When it senses the coil has frosted over it will shut down the compressor (fan will keep running) until the frost melts. Either the sensor is defective or it is no longer positioned properly. In most cases it's either a small probe wedged between the fins, or a button that's held to the side of the condensor with double sided tape.
There should be a temperature sensor stuck in the coil. When it senses the coil has frosted over it will shut down the compressor (fan will keep running) until the frost melts. Either the sensor is defective or it is no longer positioned properly. In most cases it's either a small probe wedged between the fins, or a button that's held to the side of the condensor with double sided tape.
