本帖最后由 移民电工 于 2010-12-21 22:15 编辑 $ a' e% y2 ^/ A: M; Z: ^
5 C" @; B. m; F1 @4 h& R1 b2 t) PThis 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 N! H. n% N, z' l" I3 X * {) r# K5 x8 M# r6 c! j% G$ dThese kinds of device need be cleaning and maintaining before winter season.