本帖最后由 移民电工 于 2010-12-21 22:15 编辑 0 R& M3 O7 Z- c2 l+ e: t6 u' J- A3 H4 t G1 E4 _
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!8 H; F2 B' `5 q) H ?
& {4 W7 M' v ]9 ~& n. n4 z- N" A! I" QThese kinds of device need be cleaning and maintaining before winter season.