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  1. #1
    Join Date
    Mar 2013
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    Day and night package unit

    New to this site and i need a little help! I just replaced the control board on my day and night package unit after finding out the relay was bad because my ibm would never stop I can't get it to work. I got. 24 volts to the board but nothing happens when I jump R to G or R to W. I know for sure the blower works I just can't get the call for heat I need. The unit is a early 90's so there is no flashing lights on it. Help me please!

  2. #2
    Join Date
    Jan 2004
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    Sorry, this is not a DIY site.
    Contractor locator map


    How many times must one fix something before it is fixed?

  3. #3
    Join Date
    Nov 2004
    SW FL
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    Call 'day and night' tech support and let them know you need a lot of help on a 20+ year old unit.
    Designer Dan
    It's Not Rocket Science, But It is SCIENCE with "Some Art". ___ ___ K EEP I T S IMPLE & S INCERE

    Define the Building Envelope and Perform a Detailed Load Calc: It's ALL About Windows and Make-up Air Requirements. Know Your Equipment Capabilities

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