SERVICE MANUAL
AYXPC18LR
S3011AYXPC8LRT
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.
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
CHAPTER 1. PRODUCT SPECIFICATIONS
[1] SPECIFICATION ...........................................1-1
[2] EXTERNAL DIMENTIONS ............................1-3
[3] WIRING DIAGRAMS .....................................1-5
[4] ELECTRICAL PARTS....................................1-5
CHAPTER 2. EXPLANATION OF CIRCUIT AND OP-
ERATION
[1] BLOCK DIAGRAMS ......................................2-1
[2] MICROCOMPUTER CONTROL SYSTEM........2-3
[3] FUNCTION ....................................................2-8
CHAPTER 3. FUNCTION AND OPERATION OF PRO-
TECTIVE PROCEDURES
[1] TROUBLESHOOTING GUIDE ......................3-1
[2] CHART ..........................................................3-2
CHAPTER 4. REFRIGERATION CYCLE
[1] REFRIGERATION CYCLE............................. 4-1
[2] PERFORMANCE CURVES ........................... 4-2
[3] REFRIGERANT PIPE INSTALLATION
WORKS ......................................................... 4-3
CHAPTER 5. DISASSEMBLING PROCEDURE
[1] INDOOR UNIT ............................................... 5-1
[2] OUTDOOR UNIT ........................................... 5-5
Parts Guide
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CONTENTS
MODELS
SPLIT TYPE
ROOM AIR CONDITIONER
INDOOR UNIT
AY-XPC18LR
AY-XP24LR
OUTDOOR UNIT
AE-X18LR
AE-X24LR
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