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    Nundaray's Avatar
    Nundaray Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Jan 23, 2010, 10:49 AM
    Honeywell thermostat wiring
    I asked a question about installing a new Honeywell thermostat to an old system My system (old coal converted system) has a Homart(Sears) thermostat that has only 2 wires to the thermostat. I am now replacing this with a programmable Honeywell RTH2510. The answer was as follows.

    Follow the directions in the thermostat box. All you need to connect is the R terminal to one wire and the W terminal to the other wire. Install batterys and follow the setup schedule.

    I did this and the gas furnace heater kick on, but the blower fan does not.
    What to do?
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
    Ultra Member
    		  
    #2

    Jan 23, 2010, 12:19 PM
    Possible still have a setup problem, with the tstat
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