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    smartcpa's Avatar
    smartcpa Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jan 19, 2009, 07:22 PM
    Digital Thermostat Wiring
    I have a GAS hot air heat system with A/C. It is a 2 zone, not multi stage, with a control thermostat on the first floor and slave thermostat on the second floor. The first floor stat has 6 wires, white, red (jumped to RC/RH) brown, orange, yellow, green.

    I believe the old stat to be faulty and want to replace with 2 new ones. The furnace has a Trol-A-Temp MM-2 control pannel and the system has 2 Honeywell ZD dampers.

    This is not a heat pump system. Any suggestions as to what thermostat to use a replacement?
    Thank you
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jan 19, 2009, 07:56 PM
    Call Honeywell Customer Assistance toll-free at 1-800-468-1502

    The reason for this is the thermostats used in this system are usually specifically designed for the trol-a-temp system in many cases.


    http://customer.honeywell.com/techli...0s/69-1361.pdf

    Thermostat info

    http://customer.honeywell.com/techli...0s/68-0231.pdf
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