Question about Mitsubishi MS17TN Air Conditioner
The on light blinks after it shuts off. I took pressure redings and the suction pressure is 75 psi with a high side pressure of 110 psi. The outside temp is 91*. What do you think the problem is?
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Posted on Jan 02, 2017
SOURCE: ac freezes up
Exactly how much refrigerant did you charge into the system when you recharged it? If the suction pressure is varying that much you most likely over charged the system and got a liquid flood back which took out the compressor valves.
Posted on Jul 07, 2008
SOURCE: mr slim 12,000 btu 110 volt
Sounds to me like yo have dirty condenser coils (outside unit) After this runs and gets hot it loads the compressor because it can not release heat out of the condenser coil it also may have a restriction somewhere on the high side that could cause this maybe in a txv or in a line filter.
Hope this helps Ya
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Posted on Jul 20, 2008
SOURCE: working on a pu24ek mr
is the distributor inside the condensing unit on this system? it sounds like it is under charged also check the fan operation on the evap along with the filters and evap not dirty. if all is good i would say low on charge. i never had a restriction in a mini split. check the orifice in the condensing unit
Posted on Jun 05, 2010
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