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Thread: hvacant

  1. #1


    hello to everyone im a newbie. i"am also a newbie to commercial equipmennt, i am having a problem with a commercial carrier rooftop unit i believe the orifices/distibution header is severly clogged and needs to be replaced. i have tried pulling deep vacuum, blowing lines with nitro and im still going out on high head with both compressors and there both running slightly high suction i have never changed the orifice or header assembly on this big of a unit i was wondering if someone could give me some direction thanks

  2. #2
    both compressors are new

  3. #3
    Join Date
    Feb 2010
    Ontario Canada
    Welcome EH!

    Have you cleaned the condenser coil? You may find that is a duel coil that must be separated to be cleaned properly. Model number and serial numbers would help.......

  4. #4
    Join Date
    Feb 2010
    In a boiler room

    What's the SH on that carrier?

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