Landmark AC/Heat Pump

[lukeysh]

We have a new Landmark Arlington with 3 a/c's. The bedroom unit is a heat pump. When we run on heat pump, it frequently runs with compressor running, but not the fan. Normal?

 

[Jesstruckn/Jesstalkn]

Im not at my rig right now to look at it. what is your fan set on (AUTO, low, med, high,) I don't thinks there's a off.
It should be set to "AUTO"
Dose the fan run on the COOL setting ?

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[pday1213]

On my main unit with heat pump the compressor will run and shutdown the fan when it is doing a defrost cycle. Especially if you are in under 50 degree outside, the outdoor coils will freeze up and the defrost cycle will reverse the compressor and run it in air conditioner mode without the fan, to avoid sending cold air into your coach. Once the defrost cycle completes, the compressor will revers and the fan will come back on.

 

[Jesstruckn/Jesstalkn]

That's good to know.

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