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Old 06-20-2008, 10:24 AM   #1
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AC/Thermostat issues


I'm having some issues with the AC in my condo. I don't feel the blower is cutting on to cool the house. When I toggle the thermostat, I can hear and see the condenser outside cutting on, and I can hear the refrigerant flowing within the inside unit. Cold air can be felt in the unit, but I cannot feel cool air flowing in the room vents.

I recently replaced the thermostat with a digital model. I believe the wires are connected properly. There are 4 wires marked G, Y, R, and W. The new thermostat is a Hunter model 44660 with terminals G, Rh, Rc, Rc1, Y1, Y/O, W/B. I wired the new thermostat as indicated by the manual, G to G, Y to Y/O, W to W/B, R to Rc1, and a jumper connecting Rh to Rc.

Other than the fan, I am fairly confident that the thermostat is functioning, as I can make the condenser come on and off by manipulating the temperature setting. In addition, the heat settings function as well.

I moved into the condo only two weeks ago, so at this point I am unsure if the problem is with the thermostat or with the AC unit itself. The only thing I have not done yet is connect the old thermostat, but it seems unlikely to be the thermostat as everything works but the fan.

Any advice would be much appreciated.

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Old 06-20-2008, 04:45 PM   #2
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AC/Thermostat issues


simple test would be to take the thermostat of the wall and take a short peice of wire and touch the r and g terminals at the same time if the fan turns on its the thermostat if not its probubly the fan moter

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Old 06-21-2008, 11:08 PM   #3
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AC/Thermostat issues


Try moving the r wire to either RC or Rh, (and make sure the jumper is tight on both connections) not the rc1 terminal you said.
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