本帖最后由 移民电工 于 2010-12-21 22:15 编辑 0 _* O, v1 y3 X6 D2 V: ^7 M
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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! 3 X4 P. m6 Y5 @) S$ r) N0 w" v+ H- L, a9 {( T; }) q
These kinds of device need be cleaning and maintaining before winter season.