本帖最后由 移民电工 于 2010-12-21 22:15 编辑 / R) t* ]# `* `0 A8 A5 x6 m& R0 o+ f# d) G8 F
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!% p2 P/ j1 P) m2 e" \
- y- j+ N0 v% D/ Q6 BThese kinds of device need be cleaning and maintaining before winter season.