Samsung service manual. split-type air conditioner. INDOOR UNIT AVXC1H022/028/036E*, AVXC2H056/071E*, AVXC4H045/056/071/090/112/128/140E*, AVXCMH028/032/056/060E*, AVXDDH045/056/071/090E*, AVXDHH112/128/140E*, AVXDLH071/090/112/128/140E*, AVXDBH022