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  1. #1

    New thermostat installation problem

    Hoping someone can help.

    My Honeywell Magicstat thermostat died (just kept saying battery low regardless of changing the batteries) so I purchased a very basic Lux non-programable digital thermostat. The previous owner of my house appeared to have used ethernet cable to install the thermostat but the wiring was pretty straight forward...or so I thought. There are a total of 8 wires:
    red and red with a white stripe twisted together and were connected to the R screw on the old thermostat
    blue and blue with white stripe twisted together and connected to the G screw on the old thermostat
    orange and orange with a white stripe twisted together and connected to the Y screw
    and finally 2 black wires not connected to anything

    When I hooked up the new thermostat I hooked up the red wires to the RH, the blue wires to G and the orange wires to Y. The furnace comes on even though the it is set to off, and it won't shut off unless I go to the switch next to the furnace and shut it off.

    I have a standard Payne HVAC unit no heat pump. I am sure it is just a matter of wires not being connected to the thermostat correctly but I am at a loss with only 3 wires which terminals on the thermostat to hook them to.

  2. #2
    Join Date
    May 2009
    Location
    Savannah, Ga/H.H. Island, S.C.
    Posts
    1,490
    No DIY help here. Call a professional before you harm yourself, others, or your equipment.

  3. #3
    Join Date
    Jan 2011
    Location
    Metro Atlanta
    Posts
    777
    Quote Originally Posted by Brent Ridley View Post
    No DIY help here. Call a professional before you harm yourself, others, or your equipment.
    What he said.

    TURN THE SYSTEM OFF AND LEAVE IT OFF till a PRO comes in and wires it correctly for you.
    The opinions expressed by me are not that of my employer.


    insulation modern marvels
    http://www.youtube.com/watch?v=g37riSkyZzM

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