本帖最后由 移民电工 于 2010-12-21 22:15 编辑 9 C; }9 L% \' m" g T- q" d1 }& }, f # B. I4 s4 a! R W Y |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! 3 K1 H9 Z6 p# F6 ~$ `" e1 c4 g* l9 E' |4 ~) _) E2 ?6 B' J0 w* [6 u
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 d' r5 v# N4 C- Q) E3 l: ^. y( o1 q7 a# I k1 d6 K7 p$ s
If you do not know these tasks, hire a qualified service specialist.