本帖最后由 移民电工 于 2010-12-21 22:15 编辑 - t6 b0 n- l/ M, T. i1 \, d- A% I/ i z. D
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! 1 u% ]# S1 ~4 A5 t. z3 d5 y+ r : ?3 v$ O2 G$ ^) J& a9 U7 S9 SThese 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 8 y' y* U- H2 |5 W* p; W1 W0 k
& B, n J4 d7 ^2 H/ H* r& W8 k0 r
If you do not know these tasks, hire a qualified service specialist.