本帖最后由 移民电工 于 2010-12-21 22:15 编辑 $ f' u" H0 l; Y/ u$ B( Y: q0 f - _) `6 I0 _3 t* ~2 ]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!, }" {+ d+ a5 y& k# G- A
8 s( ~5 p& N; f2 x& H5 } ?: C
These kinds of device need be cleaning and maintaining before winter season.