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Thread: Trane UCM

  1. #1
    Join Date
    Oct 2005
    Posts
    327

    Trane UCM

    Can you tell by looking if a UCM is Comm4 or Comm5? I thought that might be marked on the circuit board at the comm terminals, but no.

  2. #2
    Join Date
    Apr 2010
    Location
    Indiana
    Posts
    68
    If it is comm 5 it will hae a neuron ID, usually has a sticker that has it also. If it is comm4 or below it will have dip switches for setting the address.

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