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Thread: Honeywell TZ 3

  1. #1
    Join Date
    Jan 2007
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    Honeywell TZ 3

    why do I have 1.5 V on a single zone and 0 volts on the other 2 during idle periods? The system is set up as power close, spring open so I believe that I should have 0 volts on all 3 zones during idle periods. this is a 24vac system - will the 1.5 v on the actuator create a problem?

  2. #2
    Join Date
    Mar 2004
    Grottoes VA
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    Ghost voltage
    Karst means cave. So, I search for caves.

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