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    Professional Rookie's Avatar
    Professional Rookie Posts: 5, Reputation: 1
    New Member
    		  
    #1

    Aug 8, 2006, 07:31 PM
    Janitrol 7 wire to Honeywell RTH230B 5 wire
    I currently have a Janitrol digital thermostat. I can't read the model #. It has 8 terminals and 7 wires hooked up.
    Terminal - Color
    Y - Yellow
    Com - Blue
    R - Red
    G - Green
    w2 - Looks white
    E/w3 - Looks pink
    O - Orange
    B - Nothing

    I'm trying to replace it with the Honeywell RTH230B with terminals as follows:

    Rh
    > Jumpered
    Rc
    W
    Y
    G

    Can I install the Honeywell or do I have to go buy a 7 wire thermostat? If I can install it, what wire goes where and what wires do I no longer need?

    I have a central Heating and A/C. No gas. No pumps.
    Professional Rookie's Avatar
    Professional Rookie Posts: 5, Reputation: 1
    New Member
    		  
    #2

    Aug 9, 2006, 01:05 PM
    Nix that. I do have a heat pump. From more research I have done, I cannot go to another thermostat. I'll need all wires. Thanks to all that looked at this post and thought about it.
    myarbro's Avatar
    myarbro Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Aug 26, 2007, 01:08 PM
    As far as I can tell, nobody ever answered his question - and I have the very same dillema. Now, in my case I have an AC/Heat Pump combination unit outside, and a Natural Gas furnace inside (strange, I know, but it's cool to have a backup).

    Anybody have the answer? Thanks in advance!

    Quote Originally Posted by Professional Rookie
    I currently have a Janitrol digital thermostat. I can't read the model #. It has 8 terminals and 7 wires hooked up.
    Terminal - Color
    Y - Yellow
    Com - Blue
    R - Red
    G - Green
    w2 - Looks white
    E/w3 - Looks pink
    O - Orange
    B - Nothing

    I'm trying to replace it with the Honeywell RTH230B with terminals as follows:

    Rh
    > Jumpered
    Rc
    W
    Y
    G

    Can I install the Honeywell or do I have to go buy a 7 wire thermostat? If I can install it, what wire goes where?
    ___________________________

    Does anybody have the answer? Thanks in advance!
    esquire1's Avatar
    esquire1 Posts: 2,483, Reputation: 209
    Ultra Member
    		  
    #4

    Aug 26, 2007, 01:23 PM
    The new stat is not for heat pump. You will need to get a heat pump stat.
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