SPECIFICATIONS..............................................................................................................................................2
EXTERNAL DIMENSIONS.................................................................................................................................3
WIRING DIAGRAMS..........................................................................................................................................4
ELECTRICAL PARTS........................................................................................................................................5
MICROCOMPUTER CONTROL SYSTEM.........................................................................................................6
PRINTED WIRING DIAGRAM............................................................................................................................7
FUNTIONS..........................................................................................................................................................8
TROUBLESHOOTING......................................................................................................................................12
REFRIGERATION CYCLE AND PERFORMANCE CURVES..........................................................................15
DISASSEMBLING PROCEDURE.....................................................................................................................17
REPLACEMENT PARTS LIST..........................................................................................................................27
SERVICE MANUAL
SPLIT SYSTEM
ROOM AIR CONDITIONER
INDOOR UNIT
AH-MP20
OUTDOOR UNIT
AU-MP20
SHARP CORPORATION
CONTENTS
OUTDOOR UNIT
AU-A18FV
AU-A24FV
1