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AH-S327W2
AU-S327W2
SHARP CORPORATION
SPLIT TYPE
ROOM AIR CONDITIONERS
SERVICE MANUAL
Page
SPECIFICATIONS ................................................................................................................................................. 2
EXTERNAL DIMENSIONS ..................................................................................................................................... 3
WIRING DIAGRAMS ............................................................................................................................................. 4
ELECTRICAL PARTS ............................................................................................................................................ 6
BLOCK DIAGRAM ..................................................................................................................................................7
MICROCOMPUTER CONTROL SYSTEM ............................................................................................................ 9
FUNCTIONS ........................................................................................................................................................ 13
FUNCTION AND OPERATION OF PROTECTIVE PROCEDURES ................................................................... 17
BREAKDOWN DIAGNOSIS PROCEDURE ........................................................................................................ 19
REFRIGERATION CYCLE ................................................................................................................................. 21
PERFORMANCE CURVES ................................................................................................................................ 22
DISASSEMBLING PROCEDURE ....................................................................................................................... 23
REPLACEMENT PARTS LIST ............................................................................................................................. 33
TABLE OF CONTENTS
MODELS
S5712AHS327W2
INDOOR UNIT
AH-S327W2
AU-S327W2
OUTDOOR UNIT
In the interests of user-safety (Required by safety regulations in some
countries) the set should be restored to its original condition and only
parts identical to those specified should be used.
