本帖最后由 移民电工 于 2010-12-21 22:15 编辑 - V8 V6 `- w$ S: ]4 g: S D$ n2 E) r
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!/ u& e8 D( Q# v& G2 U6 ?! R
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These kinds of device need be cleaning and maintaining before winter season.