Question about Heating & Cooling
Mitsubishi heat pump, model number msz a18yv. Is not blowing out hot air. What could be causing this please?
One reason could be a shortage of refrigerant. Another could be incorrect mode selection? Or the reverse valve which changes the unit from cooling to heating is either not being energised or may be blocked and would have to be replaced.
Posted on Mar 09, 2009
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Posted on Jan 02, 2017
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