Sharp AE-X12FR Service Manual

MODELS
CHAPTER 1. SPECIFICATION
[1] SPECIFICATION.................................... . ....... 1-1
[2] EXTERNAL DIMENSION....................... . ....... 1-4
[3] WIRING DIAGRM .................................. . ....... 1-5
[4] ELECTRICAL PARTS ............................ . ....... 1-6
CHAPTER 2. EXPLAMATION OF CIRCUIT AND OP-
ERATION
[1] BLOCK DIAGRAMS............................... . ....... 2-1
[2] MICROCOMPUTER CONTROL SYSTEM
[3] FUNCTION............................................. . ....... 2-8
CHAPTER 3. FUNCTION AND OPERATION OF PRO-
TECTIVE PROCEDURES
[1] PROTECTION DEVICE FUNCTIONS AND
OPERATIONS........................................ . ....... 3-1
[2] AIR CONDITIONER OPERATION IN
THERMISTOR ERROR ......................... . ....... 3-3
[3] THERMISTOR TEMPERATURE CHAR-
ACTERISTICS ....................................... . ....... 3-5
[4] HOW TO OPERATE THE OUTDOOR
UNIT INDEPENDENTLY........................ . ....... 3-6
Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for
maintaining the safety and performance of the set.

SERVICE MANUAL

SPLIT TYPE
ROOM AIR CONDITIONER

INDOOR UNIT

AY-XP7FR
AY-XP9FR
AY-XP12FR
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.
CONTENTS
........ 2-3
SHARP CORPORATION

OUTDOOR UNIT

AE-X7FR
AE-X9FR
AE-X12FR
[5] GENERAL TROUBLESHOOTING CHART
[6] MALFUNCTION (PARTS) CHECK METH-
OD .................................................................3-8
[7] OUTDOOR UNIT CHECK METHOD...........3-10
[8] TROUBLESHOOTING GUIDE ....................3-13
CHAPTER 4. REFRIGERATION CYCLE
[1] FLOW FOW REFRIGERANT ........................4-1
[2] STANDARD CONDITION ..............................4-1
[3] TEMPERATURE AT EACH PART AND
PRESSURE IN 3-WAY VALVE ......................4-1
[4] PERFORMANCE CURVES...........................4-2
CHAPTER 5. DISASSEMBLING PROCEDURE
[1] DISASSEMBLY OF INDOOR UNIT...............5-1
[2] DISASSEMBLY OF OUTDOOR UNIT...........5-7
REPLACEMENT PARTS LIST
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
AYXP7FR
S6512AYXP7FR/T
........3-6