Coleman Evcon DGAT056BDC - HVAC - DIY Chatroom Home Improvement Forum

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Old 11-17-2010, 01:15 PM   #1
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Coleman Evcon DGAT056BDC

I recently replaced an exhaust motor with a X89-684 BST Motor and didn't label my wires or connections. In turn, it burnt out the board for the ignition module when I thought I had wired it properly. I replaced the ignition module and it is wired up correctly. I am 99% sure that I had connected the wires from the motor to the wrong contacts on the same relay in the upper part of the unit. My question is about the motor. It has two black wires and two blue. What are the proper connections before I turn it on and blow another board?


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Old 11-17-2010, 04:24 PM   #2
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black wires should be hot and common to power motor, blue wires should be centrifugal switch on bottom of draft motor to prove motor is working before allowing ignition


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Old 11-17-2010, 04:38 PM   #3
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I think that furnace is under a recall.
Might want to find out before you spend more money on it. It may have a cracked heat exchanger.
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