本帖最后由 移民电工 于 2010-12-21 22:15 编辑 2 }8 z3 Q5 i9 ?/ @; W( ]3 t$ T4 | u, S
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! # W0 S* j2 W% ~+ G5 G8 W- V" Z ; G" {' Y! B- e0 dThese 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 6 C) s4 f5 U7 I5 i7 O% Z3 l9 U/ X, F8 j/ C1 H* X$ y
If you do not know these tasks, hire a qualified service specialist.