Mitsubishi Heating & Cooling - Page 7 - Recent Questions, Troubleshooting & Support


Sounds as if the 20's are set up to control humidity and the 40 is not. That is likely a setting in your tstat. Good Luck.

If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

Mitsubishi... | Answered on Apr 10, 2017


Sounds like you're on the right track. Might as well replace the , inexpensive, gfi while doing so. With power off make sure all connections are tight. Electrical tape is a wonderful thing. Good luck!!

If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

Mitsubishi... | Answered on Apr 01, 2017


On the data plate for the outdoor unit it will tell you what type and how much refrigerant you need. If the line set is longer than 25 feet you will likely need a bit more than what it says. A 40 degrees evaporator temperature is ideal, approximately 65 psi for r22

If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

Mitsubishi Mr.... | Answered on Mar 31, 2017


make sure you have freon in your system. they act as a heat pump which does A/c as well s heat. without freon you want have cooling or heat.

Mitsubishi Mr.... | Answered on Feb 11, 2017


turn off everything electrical in house and retry with good fuse or breaker if still blows unit needs repair possible shorted capacitor? if it runs it may need to be on its own circuit dedicated to it alone

If you need further help, reach me via phone at https://www.6ya.com/expert/dan_73bbd84fe1d95b61

Mitsubishi... | Answered on Jan 06, 2017


Sorry we are not an installer and have no way to provide any pricing information. Also this varies by where you live greatly as labor rates vary from state to state.

Mitsubishi... | Answered on Dec 08, 2016

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