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  1. #1
    Join Date
    Jul 2006
    Location
    Valley Grande, Alabama
    Posts
    16

    Condenser Coil Deposit

    Hi all,

    I am having a problem with some type of white deposit or film accumulating on the condenser coil fins and wire cage surrounding the coils of my outdoor unit. It showed up after running my heat pump all winter. Is this coming from the frost buildup or from the rain? Is it some type mineral deposit and is it normal. If so, how to I clean it off?


    Thanks
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    Last edited by bamamule; 03-14-2007 at 06:27 PM. Reason: Add Picture

  2. #2
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,754
    do you have a dog???

  3. #3
    Join Date
    Mar 2007
    Location
    NW AR
    Posts
    2,478
    Ive never seen it. Is water running off the eave onto the unit?

  4. #4
    Join Date
    Mar 2005
    Posts
    132

    is it by chance a tempstar or made by inter city products?

    they had a problem for a while with a reaction in the metal of thier coils and the well water in some areas, they turn snowny white and the fins just rot and fleak off!the water came from adjacent misty sprinkler heads. not even that close to unit.

  5. #5
    Join Date
    Jul 2006
    Location
    Valley Grande, Alabama
    Posts
    16

    Lennox

    This is a Lennox unit. Supposed to be pretty good, right.
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  6. #6
    Join Date
    Mar 2007
    Location
    NW AR
    Posts
    2,478
    Looks as if its been cleaned with acidic coil cleaner. Been serviced recently?

  7. #7
    Join Date
    Jul 2006
    Location
    Valley Grande, Alabama
    Posts
    16
    I haven't done anything to unit. It is only 16 months old.

  8. #8
    Join Date
    Nov 2000
    Location
    Eastern PA
    Posts
    68,962
    Looks like the same problem other brands had for a while. Unless you live close to the ocean or other salt water source, I'd say that coil coating is reacting to water and corroding.

    If that continues the coil will start getting blocked up from the corrosion and will damage the compressor.
    Government is a disease...
    ...masquerading as its own cure…
    Ecclesiastes 10:2 NIV


  9. #9
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,754
    have not seen that on any of my lennox units, call installer and have them take a look.

    might want to have them contact lennox.

  10. #10
    Join Date
    Jul 2000
    Location
    Northern Wisconsin
    Posts
    2,032
    Is there a coal fired power plant or industrial, large complex near that might be burning coal? How about a large freeway nearby your home?

    It looks like a chemical reaction and my best guess would be from air borne acid being condensed on the coil.

    Call your installer and have them and Lennox take a look at it.

    Talk to some of your neighbors and see if they're having the same problem.
    Use the biggest hammer you like, pounding a square peg into a round hole does not equal a proper fit.

  11. #11

    Corrosion?

    Looks like a good attack on the fins. Properly cleaning the coil and removal of the oxidation is the first step. What do you do then? There are several do it yourself products on the market including ours which is called Husky Green Fin. Green Fin is an aerosol do it yourself corrosion protection kit. Cleaner, primer and top coat. ACE puts out product, which is also an individual aerosol can to protect equipment as does Heresite.

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