本帖最后由 移民电工 于 2010-12-21 22:15 编辑 + q: x# {8 O4 G9 x' k. e# u r9 d
$ G7 o' m/ M5 i$ X- gThis 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!& x+ t+ e1 i: A
. L) ?3 ~7 h j* sThese kinds of device need be cleaning and maintaining before winter season.