Sharp AY-XP9LSR - User Manual

SERVICE MANUAL
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. SPECIFICATION
[1] SPECIFICATION............................................ 1-1
[2] EXTERNAL DIMENSION............................... 1-3
[3] WIRING DIAGRM .......................................... 1-4
[4] ELECTRICAL PARTS .................................... 1-5
CHAPTER 2. EXPLAMATION OF CIRCUIT AND OP-
ERATION
[1] BLOCK DIAGRAMS....................................... 2-1
[2]
MICROCOMPUTER CONTROL SYSTEM .................. 2-3
[3] FUNCTION..................................................... 2-7
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
CHARACTERISTICS ..................................... 3-5
[4] HOW TO OPERATE THE OUTDOOR
UNIT INDEPENDENTLY................................ 3-5
[5]
GENERAL TROUBLESHOOTING CHART ................. 3-6
[6] MALFUNCTION (PARTS) CHECK
METHOD ......................................................3-8
[7] OUTDOOR UNIT CHECK METHOD........... 3-11
[8] TROUBLESHOOTING GUIDE ....................3-14
[9] CHART ........................................................3-15
CHAPTER 4. REFRIGERATION CYCLE
[1] SCHEMATIC DIAGRAM ................................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] INDOOR UNIT...............................................5-1
[2] HOW TO REMOVE PLASMACLUSTER
UNIT
(For the models with PLASMACLUSTER) ..................5-4
[3] DISASSEMBLY OF OUTDOOR UNIT...........5-5
Parts Guide
TopPage
CONTENTS
No. S2005AYXP12LST
SPLIT TYPE
AIR CONDITIONER
MODEL
INDOOR UNIT
AY-XP9LSR
AY-XP12LSR
OUTDOOR UNIT
AE-X9LSR
AE-X12LSR
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.
AYXP9LSR

Summary

CHAPTER 1. SPECIFICATION

Sharp AC Specification Details

Detailed specifications for indoor/outdoor units: electrical data, dimensions, performance.

AC Unit External Dimensions Diagram

AC Unit Wiring Diagrams and Self-Diagnosis

Wiring diagrams for indoor/outdoor units, including LED self-diagnosis and error codes.

AC Unit Electrical Parts List

CHAPTER 2. CIRCUIT AND OPERATION EXPLANATION

Indoor Unit Microcomputer Control Circuit

AC Unit Operational Functions and Controls

Explanation of operational functions, modes, and protection controls for the air conditioner.

CHAPTER 3. PROTECTIVE PROCEDURES AND OPERATION

AC Unit Protective Device Functions

Details protective functions, detection periods, and reset conditions for various unit operations.

AC Operation During Thermistor Errors

[6] MALFUNCTION (PARTS) CHECK METHOD

Outdoor Unit IPM;Compressor Fault Diagnosis

Flow chart for diagnosing outdoor unit IPM/compressor issues when the unit doesn't start or indicates DC overcurrent.

[7] OUTDOOR UNIT CHECK METHOD

Outdoor Unit Post-Repair Checking

Procedures to verify outdoor unit repair completion: voltage, resistance, continuity checks.

[8] TROUBLESHOOTING GUIDE

AC Self-Diagnosis Function and Display

How to access and interpret self-diagnosis results displayed by indoor unit LEDs.

[9] CHART

AC Malfunction Diagnosis Chart

Chart linking LED indications to malfunctions, inspection methods, and remedies for various errors.

CHAPTER 5. DISASSEMBLING PROCEDURE

Indoor Unit Disassembly Guide

Outdoor Unit Disassembly Guide

Sharp AY-XP9LSR Specifications

General

Brand	Sharp
Model	AY-XP9LSR
Category	Air Conditioner
Language	English