本帖最后由 移民电工 于 2010-12-21 22:15 编辑 ; o) s: Z: R v( E4 r : N) q& ^6 Q+ TThis 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!9 `/ i0 }, \0 ^/ B9 X
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These kinds of device need be cleaning and maintaining before winter season.