本帖最后由 移民电工 于 2010-12-21 22:15 编辑 , o2 a$ t0 y" M% B( `9 k9 Z % U$ x- Z$ f6 X/ k# FThis 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 y' B c+ f" C# ?, k; G$ s
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These kinds of device need be cleaning and maintaining before winter season.