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I have a Concord Gas Furnace Model CG90UB... it currently is wired to run the fan on low speed which I find is not adequate to move the air around the house... I would like to know how to change the fan speed to run on medium... the manual states there are four speeds... Low, Low Medium, Medium and...
When turning furnace on the burner goes on and off three time then shuts its self back off. What could this be?
For past few days home temperature drops down approx 6-7C degrees at night so I checked the furnace which gives me sometimes (6) LED signals other times (3) LED signals. I followed the back panel instructions also drain out water from tube connecting to motor and restart, however each time it lasts...
Hello Been looking at various problems with the concord. Most seem to be limit switches. Problem with mine is the small side hose from exhaust blower To switch is accumulating about inch of water in it And is shutting furnace down. Once tube is drained she fires up and Runs for 2 days then...
If my hubby is correct, our central air also is "powered" by our furnace. For some reason, the air conditioning isn't working right. If you leave it on for more than an hour, it freezes up the lines going to the unit outside and only brings down the temp in the house by one degree! He cleaned it...
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