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  1. Join Date
    Oct 2002
    Posts
    5,235
    #11
    hissing sound? could be the expansion valve in action.

  2. Join Date
    May 2004
    Posts
    36
    #12
    same here ... not sure about the interval ... say every 5 minutes it hisses for about a second ... the glass is very hazy, cant tell if I need to recharge but it's still cool though. How much for that thing with the sight glass?

  3. Join Date
    Oct 2002
    Posts
    266
    #13
    sir afrasay,

    if the hissing sound comes from the expansion valve, is that good sign or a bad sign?

  4. Join Date
    Oct 2002
    Posts
    5,235
    #14
    it's a good sign. it means it's working.

  5. Join Date
    Oct 2002
    Posts
    266
    #15
    ah ok... baka kasi bigla na naman akong mag-panic eh. magtatag-ulan pa naman... dusa kapag walang aircon.

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aircon's hissing sound