本帖最后由 移民电工 于 2010-12-21 22:15 编辑 0 J8 j6 W. c$ [/ ?0 ? # T" j- v5 }) U0 S4 kThis 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 c+ b/ E) V% R% r) k b8 C8 k2 C# K9 O6 N$ D+ C
These kinds of device need be cleaning and maintaining before winter season.