本帖最后由 移民电工 于 2010-12-21 22:15 编辑 3 S* C# i9 t9 ^- [4 E8 ?$ _1 O% W7 Y5 H7 q' T N
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!5 f' A3 w+ j, Z
# a+ c8 R/ }2 P% T. gThese kinds of device need be cleaning and maintaining before winter season.