Question about Amana Comfort Zone 18M33PCEH Air Conditioner
I'm a Certified HVAC Technician and have been working in the industry since 1996. I totally agree with Rob. But, I'm a bit confused in that I have read "Problem with Amana Comfort Zone 18M33PCEH Air Conditioner" but then I read "Not heating Unit works on cooling mode, will not work in heating mode..blows cold air.
Does reversing valve have a seperate coil or built in"
First of all, an AIR CONDITIONER does not have a "REVERSING VALVE" - only a HEAT PUMP has a REVERSING VALVE. If the THERMOSTAT was REPLACED, did the ORIGINAL COLORED WIRES and ORIGINAL TERMINALS get RECORDED onto a piece of paper? It is imperative that the CORRECT COLORED WIRE within the Thermostat is CONNECTED to the "O" which, on MOST HEAT PUMP Thermostats is the REVERSING VALVE and, in MOST cases is the ORANGE wire. In every HEAT PUMP system that my company has installed, I have directed all of my technicians to use the STANDARD wiring COLOR Codes, regardless of WHAT was previously used. That way, when another HVAC Technician is called, he or she can easily troubleshoot and reduce the amount of time spent on the Service Call, thus saving the homeowner $$$ in the long run. Good Luck!!!
Unit works on cooling mode, will not work in heating mode..blows cold air.
Posted on Sep 20, 2012
Yes, the reversing valve has a separate coil. some energize on cool mode, some on heat mode. Has the thermostat been replaced? I find this a common mistake.
Posted on Nov 04, 2007
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