本帖最后由 移民电工 于 2010-12-21 22:15 编辑 1 d0 A" Z" f. M# f! k
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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! ; o' D6 S1 ~1 [/ t- W 4 Q/ J5 B5 N8 h4 v5 ~( v) W: RThese 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 ' y9 X5 c2 U; T* B: x5 O, B; m5 \0 q4 |: G+ X$ @+ ^! v, B5 N% C% b
If you do not know these tasks, hire a qualified service specialist.