N30 Interlock
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Thread: N30 Interlock

  1. #1
    Join Date
    Dec 2006
    Posts
    183

    N30 Interlock

    Have some univents with UNTs
    that has sum-win binary input
    I am using the N30 master sum-win
    to override these inputs.
    When univents lose power and come back
    on, they default to summer because the
    interlock only happens when a change of state.
    How can I keep overriding these inputs every minute
    or two so if univents do lose power the winter command
    will almost immediately write to it.

  2. #2
    Join Date
    Jun 2007
    Location
    Scranton, PA 18509
    Posts
    55
    In the interlock "Action Tables" select Override instead of the value from the "Command" drop down. Then select the "List Elements" box button, then select the value you want. Do it this way will override the value no matter what happens...

    Thankx
    Jamie

  3. #3
    Join Date
    Dec 2006
    Posts
    183
    Yeah, but the problem is when maintenance turns the
    univent off to change filters the command from the n30
    goes away and defaults to summer until the master is toggled.

  4. #4
    Join Date
    Jun 2007
    Location
    Scranton, PA 18509
    Posts
    55
    I always setup the interlocks like that, I use the interlocks a lot w/ the VMA controllers and global commands like Morning Warmup, etc...

    I have never had a problem w/ it. Do you have the project database that you could email me and look at?

    Thankx
    Jamie

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