本帖最后由 移民电工 于 2010-12-21 22:15 编辑 9 E. U4 x' I& g5 X- L6 I
; k& @: \* D" sThis 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 L- _2 Y7 k3 Z9 M8 R* L3 K7 }. J5 ~
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These kinds of device need be cleaning and maintaining before winter season.