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  1. #1
    Join Date
    Jul 2004
    i worked on a trane ahu with a time delay relay that mounted to the indoor fan relay. the ralay is bad and there was no wiring diagram or manuals. i've never seen a relay like this and thought it was a delay on timer because the unit was a heat pump. i was told by another tech that it was a delay off. what do you think?

  2. #2
    Join Date
    Jun 2003
    Hell Hole Swamp
    Its delay off

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