本帖最后由 移民电工 于 2010-12-21 22:15 编辑 7 w) G6 v p% u5 B/ a* S, M9 k
: p6 k) l' ~9 B. nThis 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!3 S0 g0 f9 r G3 | z. i
C1 L, l0 R+ A, z( ^; UThese kinds of device need be cleaning and maintaining before winter season.