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Thread: LG LAU180HSV

  1. #1
    Join Date
    Oct 2009
    Location
    Nova Scotia, Canada
    Posts
    170

    LG LAU180HSV

    I had a customer send me a few pictures of his Ductless Unit. Seems that the Outdoor coil is frosting up extremely heavily in heating mode.
    I am not overly familiar with servicing these units as it seems that once you put them in they have very few problems. I did not install this one.

    Seems to me this is possibly a low refrigerant problem. Anyone on the same thought path as myself? Or anyone got any other idea?
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  2. #2
    Join Date
    Apr 2012
    Location
    Quincy,MA
    Posts
    46
    What about defrost cycle? Is the unit going into defrost?

  3. #3
    Join Date
    Oct 2009
    Location
    Nova Scotia, Canada
    Posts
    170
    He tells me it doesn't seem to be during colder weather but today it was 6C and he did see it go into defrost a couple of time. What triggers defrost on these units?
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  4. #4
    Join Date
    Apr 2012
    Location
    Quincy,MA
    Posts
    46
    not 100% sure about what triggers the defrost cycle. But looking up that model on
    LG's hvac site and looking at the information for it, I would like to venture a guess that a thermister senses the SC temperature and then the control tells the system what to do. Looking at the specs, there are thermisters everywhere. best thing I can suggest is to call LG Canada. (888) LG Canada

    http://www.lg-dfs.com/technical-supp...e-manuals.aspx

  5. #5
    Join Date
    Oct 2009
    Location
    Nova Scotia, Canada
    Posts
    170
    Thanks George
    Follow me @blankscole

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