My air condition for my home started making a strang sound on yesterday like it was trying to cut off. but it never would cut off. I had a guy put feron in today, it helped with the heat. but the problem is that it still will throw out cold air then heat. the unit is trying to cut off but it wan.t it starts up again the temp has been down int the 20's. help
-   I have a heat and air problem my unit will not cut off unless I flip the breaker inside the house the unit runs constantly please help-   Guest
Hello, It sounds like your unit is going into defrost mode. Heat pumps struggle below 35 degrees F. Make sure the coils are clean so the unit will work at peak performance. They do make a heat strip to put in these units to help with cold temperatures. If you need more help just ask. Good luck.
we installed a msg18 mini split system h/p, tied in tubing, pulled good vacuum , wired 230v. to...
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we installed a msg18 mini split system h/p, tied in tubing, pulled good vacuum , wired 230v. to condensing unit then wired 230v.and one low voltage s wire from cond. to blower section , released 410a freon. blower and remote is upstairs, system will startup then lockout before getting down to cond. defrost board is blinking 5 times. ( why )!! ?