本帖最后由 移民电工 于 2010-12-21 22:15 编辑 % n+ b4 f$ X2 \0 @& M8 V. Q. i" i7 d: f- A5 _6 E- e
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! 8 F& _6 y: r3 f, o P* ^5 }4 o$ P5 }' k
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 : e6 ~5 D9 @ f) `/ ~' b3 y
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If you do not know these tasks, hire a qualified service specialist.