Ask Me Help Desk

Ask Me Help Desk (https://www.askmehelpdesk.com/forum.php)
-   Heating & Air Conditioning (https://www.askmehelpdesk.com/forumdisplay.php?f=150)
-   -   Help me wire a RTH7400/7500 to a Honewell to a T8411R (https://www.askmehelpdesk.com/showthread.php?t=547104)

  • Jan 23, 2011, 01:38 PM
    larryprice
    Help me wire a RTH7400/7500 to a Honewell to a T8411R
    I am replacing a worn out Honeywell T8411R (non-programmable) Thermostat with a new Honeywell RTH7400/7500 7-day programmable thermostat ( Unit is a Trane Heatpump with Emergency/auxiliary heat. Of course I am having troubled

    Can you help? I matched up all wire by Letter to new but I have an Orange, White and Black wires that aI am not sure where hey go...

    • All times are GMT -7. The time now is 07:55 PM.