本帖最后由 移民电工 于 2010-12-21 22:15 编辑 ~9 t3 g; e% l0 K ' ~) A! X) W3 M) U# l" i! y6 G4 iThis 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!% c# q; F `; Z4 J
8 K; d( q& J7 _. C: s* I- ]" s! HThese kinds of device need be cleaning and maintaining before winter season.