HELP- nasty smell
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  1. #1

    HELP- nasty smell

    About 3-- 40 min after chiller start up we get a "dirty sock" musty odor on certain floors of 18 story 245,000 sf building- smell normally disapates w/in 15 20 mins and does not happen daily. We are assuming it is the coils (1 per floor) which are probably in need of cleaning- they are approx 12" wide- 3.5' high and 8' long. Assuming there is smelly growth deep inside- how best do we get it? So far have used regular cold cleaner w/ supply fan on low w/ limited results- any better ideas?

  2. #2
    Join Date
    Mar 2005
    Posts
    997
    Id clean the coils first!

  3. #3
    Join Date
    Jul 2007
    Location
    Columbus, Ohio/ Bagram, Afghanistan
    Posts
    54
    Quote Originally Posted by Rich Coote View Post
    About 3-- 40 min after chiller start up we get a "dirty sock" musty odor on certain floors of 18 story 245,000 sf building- smell normally disapates w/in 15 20 mins and does not happen daily. We are assuming it is the coils (1 per floor) which are probably in need of cleaning- they are approx 12" wide- 3.5' high and 8' long. Assuming there is smelly growth deep inside- how best do we get it? So far have used regular cold cleaner w/ supply fan on low w/ limited results- any better ideas?
    Check out rgf.com, I've posted a thread here on their product called a PHI Cell. It's quite amazing, I've even been able to rid a home of dog smell in just a few weeks with the dog still living there.

  4. #4
    Join Date
    Aug 2003
    Posts
    906
    Only the dog is still alive?

  5. #5
    Join Date
    Aug 2003
    Posts
    906
    Quote Originally Posted by Rich Coote View Post
    About 3-- 40 min after chiller start up we get a "dirty sock" musty odor on certain floors of 18 story 245,000 sf building- smell normally disapates w/in 15 20 mins and does not happen daily. We are assuming it is the coils (1 per floor) which are probably in need of cleaning- they are approx 12" wide- 3.5' high and 8' long. Assuming there is smelly growth deep inside- how best do we get it? So far have used regular cold cleaner w/ supply fan on low w/ limited results- any better ideas?
    It will be a losing battle if what allowed the coils to reach this condition isn't fixed (possibly air humidity > 60%, coils sitting wet for extended periods and poor air filtration, < MERV 6). Then I'd think about using chemical cleaners -- perhaps some pros can recommend some.

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