本帖最后由 移民电工 于 2010-12-21 22:15 编辑 ; I7 a' U, r" f2 ?* A$ r: l4 M
$ ]7 W9 V! B, LThis 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!4 s/ _0 Z. D7 ]
T! |8 r0 s) t/ m, k) o3 }These kinds of device need be cleaning and maintaining before winter season.