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Comfort Zone carrier Unit: Can I replace the old user interface (thermostat) with the one that comes with the Comfort Zone II unit. In other words will the new style thormostat work with my old controlboard of the Comfort Zone system.
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Sounds to me like a bad damper or a bad zone panel. Turn tstat off and call for cooling on zone 2. Then see if your still getting cool air to zone 1.( where the main tstat is)
sounds like your zone control tstat needs calabrated or maybe replaced,in owners manual there should be a section on calibration if not you may have to replace it
You didn't get a Carrier tech. Carrier technicians only work on commercial equipment. Residential applicaitions, installation and service of Carrier residential units are done by dealers. They are not carrier owned but get buy the product at discount get training and get to show our logo. You can't fix the boards, they have to be replaced. It sounds like you have a Gen II VVT system. You can get the part via Totaline stores or a distributor. You will need to know how to readdress the other controllers to operate correctly. Use WWW.Carrier.com.
the e2 error on your thermostat is a problem with the return temp sensor on your system, the only thing you can really do is call a company and replace it, you can't bypass it or remove it cause the system wont run properly
Is this an electric or gass furnace - Eather of these can can have this problem its most recomendable that you call a seviceman .
in the case of electric furnace you may requier a new heat sequencer. And in the case of gass you may requier a new relay.
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