本帖最后由 移民电工 于 2010-12-21 22:15 编辑 , x( {# U5 Q0 k; V* }. B0 f# c& s, c3 z
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!& S( d }) F. ]/ e7 @
r/ L; f7 j2 F2 ^These kinds of device need be cleaning and maintaining before winter season.