本帖最后由 移民电工 于 2010-12-21 22:15 编辑 $ v0 j0 f; j* e+ D! q) \* E" P0 j |" y: v7 G, f8 `
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!4 u% F4 O5 B4 w7 W. Z/ W- J9 o
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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 $ S8 s5 S( }$ r" p1 g. b4 p* k' c8 V + ^' J3 A3 W) V+ L& yIf you do not know these tasks, hire a qualified service specialist.