本帖最后由 移民电工 于 2010-12-21 22:15 编辑 2 _( \& |( n; g! [ D) A7 b, _* d5 K# y2 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!( b. D) w$ M( t+ K# m/ V
3 @: O4 D$ p0 L( N. S' ?4 }% gThese kinds of device need be cleaning and maintaining before winter season.