本帖最后由 移民电工 于 2010-12-21 22:15 编辑 + _* j( _8 v5 y( f& {/ r) M E8 z _) K* o# M5 l
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 t$ x5 Z9 S6 Y1 u1 V/ Y- B4 }* p4 S: a. J# {- l
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 $ N6 s* u3 r! L) w4 E- Q& ~# ^0 E7 ~* }8 ^4 J' w" _ o7 r# C, X
If you do not know these tasks, hire a qualified service specialist.