本帖最后由 移民电工 于 2010-12-21 22:15 编辑 / l5 h1 B, e+ O: b+ q0 v4 U 3 \& B' @5 D6 c* u; YThis 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! 4 d. X/ D% |7 u" G2 j. d* j6 @& O! H& s% ~
These kinds of device need be cleaning and maintaining before winter season.