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    ram1agarwal's Avatar
    ram1agarwal Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jun 22, 2007, 01:26 PM
    Honeywell RTH230B. Heater works great, but no A/C.
    This is new Thermostat.
    This winter I installed honeywell rth230b.
    Heater works great, but I have no a/c.
    My electrician says that the Thermostat is defective. I do not believe this.
    The thermostat kicks in but the A/C does not come up.
    Any help will be appreciated.
    Thanks.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #2

    Jun 22, 2007, 01:46 PM
    When you did the install did you jumper between the two R terminals? That's needed if you are running both AC and heat from one 24 v. transformer.
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