本帖最后由 移民电工 于 2010-12-21 22:15 编辑 : l' }0 H4 s7 F2 {
) r; w/ \) M4 n$ P, ]6 w" o
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 g) A( ]$ ]( C' @, F4 L; c. f! D3 B) z& |7 i9 i
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 , }0 p8 R! g) ]1 U8 d3 p9 W
6 @- N; i8 C% }. \% e8 n
If you do not know these tasks, hire a qualified service specialist.