Question about Heating & Cooling
Posted by Anonymous on
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Posted on Jan 02, 2017
I would check the reversing valve. This is what switches the flow of refrigerant for Heating and cooling.There could be several other reasons that could cause it not to heat.
Good Luck, Sincerely, shastalaker7
ps Heat pumps are very temper mental, like I said there could be many things that could cause this problem, and I couldn't walk you through them all. If you have a split system, two piece unit, go to the out side unit and have some run the a/c in cool. Then after a few min. have them switch it to heat and you can hear the reversing valve switch to heat, as it will make a swishing sound.If it doesnt, the valve may be bad, no power to the coil on it, or even the coil could be burned out.
Posted on Oct 30, 2009
Here is where you can find all the info you will ever need about Mitsubishi Air Conditioning units...
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Mitsubishi Air Conditioner Troubleshooting and Repair
Posted on Aug 20, 2010
Hi I have Mitsubishi split unit which is 5 years old. when turn heat mode for 30 deg C on the remote condesing unit runs for about 6 minuts and stops. what would be the Technical problem ?Thanks an Apprentice.
Posted on Mar 11, 2011
SOURCE: I have a heat pump
If its not being turned off by the thermostat, sounds like it might be the low presure switch kicking it off due to low freon. You will have to get a HVAC tech to charge it back up.
Posted on Mar 14, 2011
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