本帖最后由 移民电工 于 2010-12-21 22:15 编辑 : ^9 i" ?1 t B8 {7 L1 {6 C# @2 u1 R; w( ^/ {) q( w! h
This is a horizontal furnurs mount on the top of building and intake air form outsid of building, I think you can not fix it by yourself!& f/ E: C a& l! X
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These kinds of device need be cleaning and maintaining before winter season.