本帖最后由 移民电工 于 2010-12-21 22:15 编辑 # N; R% T' f' I, G , P2 J6 W+ Q$ R' Y; Y+ w- _2 G$ 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!5 B; D) U+ d. z8 Z
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These kinds of device need be cleaning and maintaining before winter season.
本帖最后由 移民电工 于 2010-12-21 22:17 编辑 ! {0 {( K/ D: h9 W& e5 ]! w7 }
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If you do not know these tasks, hire a qualified service specialist.