本帖最后由 移民电工 于 2010-12-21 22:15 编辑 4 g1 s* [2 n) n+ V3 @& g4 e6 K& x! l9 c" v1 M ^2 \$ @( b) N! D! M
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! 1 V8 P" u4 o( q' h1 O 1 c) @5 R& n2 J9 ^( M5 K# lThese kinds of device need be cleaning and maintaining before winter season.