本帖最后由 移民电工 于 2010-12-21 22:15 编辑 : C2 v7 t& u( A. |0 c4 }2 m
9 E4 J) I3 M2 j/ L% F2 lThis 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 P4 {# P& W$ b- F
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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 # K }; F0 q" K8 a Y: @; z: D+ S$ Y" K7 m: `( v. ?3 l
If you do not know these tasks, hire a qualified service specialist.