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    Nassoma's Avatar
    Nassoma Posts: 3, Reputation: 1
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    #1

    Aug 21, 2010, 03:29 AM
    How to connect a thermostat
    L need to become a member to ask aquestion in HVAC
    Nassoma's Avatar
    Nassoma Posts: 3, Reputation: 1
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    #2

    Aug 21, 2010, 03:31 AM

    How to connect a thermostat in multi-system heat pum
    Nassoma's Avatar
    Nassoma Posts: 3, Reputation: 1
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    #3

    Aug 21, 2010, 03:33 AM
    [QUOTE=Nassoma;2492076]how to connect a thermostat in multi-system heat pump air conditionning unit
    RickJ's Avatar
    RickJ Posts: 7,762, Reputation: 864
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    #4

    Aug 21, 2010, 10:02 AM

    Nassoma, you have registered successfully, as you can see from your posts above.

    I changed your subject line from "registrat" to "how to connect a thermostat"

    For best results, state your question briefly in the subject line and then give details in the posting field.
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
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    #5

    Aug 21, 2010, 07:26 PM

    Follow the install instructions

    If the wiring are as they should be
    Its red to r
    Green to g
    White to w
    Yellow to y
    Orange to o

    It would help to know the tstat brand and model number, and any other info you could provide
    Brand and model of heatpump,name and model of furnace/airhandler
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #6

    Aug 21, 2010, 08:25 PM

    For one, you need to know the # of stages of heating and cooling and whether aux/em heat is used.

    If this is a replacement thermostat then tell us what the connected terminals are. We can then advise what characteristics you need in a stat.
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