本帖最后由 移民电工 于 2010-12-21 22:15 编辑 0 Q# J& f K& \7 }8 q- V
7 m: W$ x2 b+ H! VThis 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!; C9 q% }( I- J2 d
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These kinds of device need be cleaning and maintaining before winter season.