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Thread: Intellipak VOM

  1. #1
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    Intellipak VOM

    I had to do a smoke purge inspection on 5 Trane Intellipaks the other day. What's suppose to happen is with the switch made, the units go into mode "D" on the VOM. The VOM turns on the supply fans 100%, exhuast fans 100%, 100% outside air damper, and 100% on the HW actuator.

    I have one unit that won't open the HW actuator. I don't get 10vdc out on the heat module(all the others I do). I made sure the heat module works in the heating mode, but when it is in vent override I get no signal. So I went through the setup parameters. The heat actuator setting in mode "D" is "In Control". The others are the same.

    My question is, what is "In Control"? Does that means the VOM is in control of it and it should drive it 100%? Or does it mean it is control of the heating settings?

  2. #2
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    according to the programming guide...all heat goes to off in mode D.
    When I am late for work, I usually make up for it by leaving early.

  3. #3
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    Quote Originally Posted by jayguy View Post
    according to the programming guide...all heat goes to off in mode D.
    The default setting is "off". But these units have been switched to "in control".

    Im just trying to figure out what "in control" means.

  4. #4
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    i would imagine that it means that the individual part is still going to control to its normal sepoints...but i don't know that for sure.
    When I am late for work, I usually make up for it by leaving early.

  5. #5
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    So I finally got back there. I disconnected the Tracer of the unit to find out what is actually in control. I found with the Tracer disconnected, that the unoccupied heat setting is what controls the actuator in ventilation over ride. And they all worked the same.

    But once I reconnected the Tracer system, all the units went 100% on the actuators, no matter what the active temps were. Except this one unit, it would just sit at 2vdc. So I set it up as reverse acting and it opened right up. So conclusion was, it is the Tracer telling it not to open. Call Trane.

    That's what Trane wanted anyway, after I tried to get some info from there tech support.

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