: v/ O V- ~: P( U$ h8 G8 P' 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! # ]( w( E( ]3 Q {) k! p $ }! S+ Q, E/ C5 P' S0 f# o ~These kinds of device need be cleaning and maintaining before winter season.
本帖最后由 移民电工 于 2010-12-21 22:17 编辑 6 b- [0 _6 T7 a# x- A" S/ {0 h . I. K0 G( H" V5 O# ^0 K5 wIf you do not know these tasks, hire a qualified service specialist.