本帖最后由 移民电工 于 2010-12-21 22:15 编辑 ; u" Z" e6 F0 ^6 ?5 A2 P G# Q5 r4 @1 _6 e
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!7 j. \+ A. F+ L5 W- _
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These kinds of device need be cleaning and maintaining before winter season.