本帖最后由 移民电工 于 2010-12-21 22:15 编辑 - P8 f( k& Y: c ) |4 A% R: R; ~" S2 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!0 X# y- W% N; U; N- Y2 j) o* M
' b0 n4 K: @# D) I4 a6 {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 ) I% [ d' F; I6 l
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If you do not know these tasks, hire a qualified service specialist.