本帖最后由 移民电工 于 2010-12-21 22:15 编辑 - x+ j$ ?$ K5 A2 U! i4 k' A
) x2 Z7 I E! g4 \& S
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! 9 {/ ~+ s# F7 a$ j% J ; z- W' w6 H3 D5 \# B, [These kinds of device need be cleaning and maintaining before winter season.