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Chiller help

Discussion in 'HVAC' started by Seasmaster, Mar 4, 2019.

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  1. wdrzal

    wdrzal Senior Member

    Joined:
    Feb 6, 2006
    Messages:
    405
    Location:
    Baltimore
    There shouldn't be anything alive on the evaporator ,drain pan or in the condensate line.

    Use a foaming, self rinsing, bio-degradable evaporator cleaner. I use nu-Calgon @ around 20 bucks a gallon. You can use it straight if your equipment is really dirty or cut it 1 to 1 with a gallon of water. I use a 2 gallon garden sprayer you pump up. I also install 6x6 framed insulated doors for access, or you can cut a hole and use a plate and screws to seal it up. The doors are normally used to inspect fuses on self closing fire dampers in duct work. Grainger is a worldwide source but you pay a little bit more.
    Last edited: Mar 12, 2020