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  1. #1
    Join Date
    Mar 2012
    Location
    Gilbert, Arizona, United States
    Posts
    45

    Installing a Filtrete 3M50 for my aunt

    On June 5, I will be heading over to visit my aunt in Virginia Beach. She has purchased a Filtrete 3M50 thermostat, and she wants me to install it for her. Her system is a heat pump with electric auxiliary heat. Looking at the wiring instructions here:
    http://www.radiothermostat.com/filtr...on-27may10.pdf

    The worded instructions say to connect the R wire to the RH terminal, while the diagram shows it connected to the RC terminal. Which is it? Does it actually matter considering there is a jumper between the two terminals?

  2. #2
    Join Date
    Jul 2007
    Location
    Mount Airy, MD
    Posts
    7,281
    Sorry this is not a DIY site as the rules state.

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