本帖最后由 移民电工 于 2010-12-21 22:15 编辑 9 h8 k% `/ w! u# K S- N5 e) K4 ~" C+ ^1 a5 xThis 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!0 ?: D) R9 x# t- {! j, ~
; s- E& q/ m( L0 R' _% SThese kinds of device need be cleaning and maintaining before winter season.