本帖最后由 移民电工 于 2010-12-21 22:15 编辑 ! G& @" I7 B' \7 K' C) Q7 j" j: d% A, x% e- |0 Q" [9 ] O
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/ I1 s* h! W8 c+ f3 n 8 a: L7 l1 s4 [# g9 OThese kinds of device need be cleaning and maintaining before winter season.