本帖最后由 移民电工 于 2010-12-21 22:15 编辑 , h% |/ S) g2 A% k6 p1 Q& F 1 J: @( E/ c- C; a F- f! x6 V8 v8 T/ OThis 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! + j6 ~+ J" @/ i Y+ u6 n. f2 N( m0 m% U
These kinds of device need be cleaning and maintaining before winter season.