本帖最后由 移民电工 于 2010-12-21 22:15 编辑 2 D+ s' V; p! B1 V6 O . e1 n0 D- ?3 X, z4 |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!; A0 G" R7 d5 x7 ~
: y; p& E" @6 X0 y6 AThese kinds of device need be cleaning and maintaining before winter season.