Wednesday, 5 October 2022

Mitsubishi Thermal Fan off without MHK1

I have one to one Mitsubishi Heat pumps and recently put them on in heat mode for the first time, almost opposite of cooling mode the fan seems to turn all the way off once temperature is met, where in cooling the fan runs constantly. Going through the settings in the app I was able to find "Thermal Off Fan" which has the following options:

  • Extra Low in Heat
  • Stop in Heat
  • Stop in Cool and Heat
  • Stop in Cool
  • Selectable in Cool and Heat
  • Ext Lo in Heat, Stop in Cool

Default is "Selectable in Cool and Heat" but I cannot find anywhere online where to select it's function, on the default remote or in the app, only through the use of an external MHK1 thermostat.

Anyone know the best setting for this, I would think I would want it to run the fans all the time like in cooling mode to help circulate and maintain temperatures.

Any thoughts or advice?


source https://hvac-talk.com/vbb/threads/2243051-Mitsubishi-Thermal-Fan-off-without-MHK1?goto=newpost

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