本帖最后由 移民电工 于 2010-12-21 22:15 编辑 $ i% I' T4 S' K8 J) B5 X6 k
3 T# b: @" e! z" N: T$ y; X
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! ! a2 m- @+ V m F, J4 h% j% b! g; q- [' g2 H8 M2 d
These kinds of device need be cleaning and maintaining before winter season.