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View Full Version : Miller air units how do you know compressor is not working


cinomon
Jul 18, 2010, 08:31 PM
Miller ac unit came home unit was blowing warm air I checked the capacitor it looked fine but I changed it any way but still blows warm air can unplug fan and kick points in and the compressor just makes a humming noise. Any sugestions would help but earlier that week it had kicked the breaker that it is cannected to but I triped it back on and it worked fine but know its out have a hard start but don't know which plugs on copacitor to hook the two wires to. Any help would be dearly appreciated

wmproop
Jul 18, 2010, 09:28 PM
Sounds like bad compressor,, the instructions on side of hard start should tell where to put wires,, I`m thinking 1 one Herm. 1 on com. But its been a while since I used a hard start,, good luck let us know the result