本帖最后由 移民电工 于 2010-12-21 22:15 编辑 1 `1 S. a) j5 ?6 `. P5 n* a! |+ p p5 x; T
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!) E# ~0 Z% e$ ~! f8 |6 b; q: n' N. V
0 c& y! _5 }8 i4 L1 QThese kinds of device need be cleaning and maintaining before winter season.