本帖最后由 移民电工 于 2010-12-21 22:15 编辑 ) p X! R, T, k/ f6 p* \9 g1 h$ F
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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! 0 N |0 T* K+ }8 D/ z% }8 m2 k1 d$ `! T0 L, w
These kinds of device need be cleaning and maintaining before winter season.