本帖最后由 移民电工 于 2010-12-21 22:15 编辑 , P# K+ l8 `( N. B! g4 O ! L' |+ @4 i$ \, V* LThis 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 |# k! _. s8 t; G4 V( t4 I, k
8 H) h4 W9 H* w- t7 @2 Y
These kinds of device need be cleaning and maintaining before winter season.