本帖最后由 移民电工 于 2010-12-21 22:15 编辑 3 K5 q. H5 I' z7 m3 }- t+ A- O7 U/ o# Y& Y
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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! " o3 g2 O- i Z) ?, v z T! f/ u5 F/ w% e# D3 r1 `These kinds of device need be cleaning and maintaining before winter season.
本帖最后由 移民电工 于 2010-12-21 22:17 编辑 l, Q# j1 t8 n6 m8 E: g- G4 h
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If you do not know these tasks, hire a qualified service specialist.