j/ s$ N3 {4 z- C$ C* a. TThis 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!* m8 V7 D' \5 H/ m
6 F5 V; w3 q, W2 \. OThese 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 , P8 S; C, B. g ?, S5 k+ m 6 i- i4 _' A" [' e5 {: `& g% tIf you do not know these tasks, hire a qualified service specialist.