Question about Heating & Cooling
Unit neither heats nor cools and the blower motor won't stop running unless power is unplugged.
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Posted on Jan 02, 2017
SOURCE: Blower in Attic not running
inside unit has fan control relay , either on control board or can be separate ,except for the 24 volt transformer and the t-stat the units operate separately concentrate totally on the inside unit this is where the problem lies
Posted on Nov 08, 2008
Yes, to change from heat to cool is done by reversing the power plug that is close to the housing. Matching the blue on the plug(as I recall) makes it cool. The red to blue makes it a heater. If it is currently heating, the unit works fine, it just needs the polarity reversed.
Posted on Nov 09, 2008
Check air temp out vent should be approx 20 degrees colder than room temp if it is your unit is too small for the amount of space you are cooling.Rule of thumb 1 ton(12,000btu's) for every 400 sq ft of uninsulated space
Posted on Jun 03, 2009
Depending on age of Rheem they have a time delay relay. May be causing the problem. The time delay operates the fan. Try turning fan to continuous and see if it stays on.
Posted on Jun 07, 2009
Capacitor, dirty condencer coil causing the motor amps to run too high. But most likely worn bearing on blade side of motor causing it to pull to one side causing it to over heat and shut down. Sleve bearings should have no side play.
Posted on Jun 28, 2009
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