Question about Heating & Cooling
Unit is installed with 120 volts to the unit and 12 volts dc with polarity checked. However there is no readout on the thermostat.
Something wrong with your thermostat, but if you are using a electronic thermostat and have the indication of supply like light in your control then you can replace the miniature relay that triggers the cool mode of the unit. But no indication of supply try to check the fuse, then if not works you to replace new thermostat.
Posted on Jan 03, 2008
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Posted on Jan 02, 2017
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