本帖最后由 移民电工 于 2010-12-21 22:15 编辑 0 M: R' D% j( Z+ U
1 E3 G* d7 w% l
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! / b: S5 m) S( b( V * m6 z0 l) ?: t& ^* U) @5 U' G6 yThese 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 ( g' [! T8 _9 @) T4 H: _ }% j E% U' q5 S: B" F% X
If you do not know these tasks, hire a qualified service specialist.