Sharp AE-X12FR - User Manual

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........ 2-3
[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
[5] GENERAL TROUBLESHOOTING CHART........3-6
[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
SERVICE MANUAL
AYXP7FR
S6512AYXP7FR/T
SHARP CORPORATION
CONTENTS
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.
SPLIT TYPE
ROOM AIR CONDITIONER
OUTDOOR UNIT
AE-X7FR
AE-X9FR
AE-X12FR
MODELS
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.

Sharp AE-X12FR Specifications

General

Brand	Sharp
Model	AE-X12FR
Category	Air Conditioner
Language	English

Summary

SHARP Service Manual Overview

Chapter 1: Specification Details

Comprehensive specifications including capacity, electrical data, dimensions, and parts.

Chapter 2: Circuit and Operation Explanation

Explanation of system circuits, block diagrams, and microcomputer control.

Chapter 3: Protective Procedures

Functions of protective devices and operation during errors.

Chapter 4: Refrigeration Cycle Analysis

Details on refrigerant flow, conditions, and performance curves.

Chapter 5: Disassembling Procedures

Step-by-step guides for indoor and outdoor unit disassembly.

Replacement Parts List

List of parts available for replacement to maintain performance.

Model Specific Specifications

AY-XP7 FR; AE-X7 FR Specifications

Detailed technical specifications for the AY-XP7FR indoor and AE-X7FR outdoor units.

AY-XP9 FR; AE-X9 FR Specifications

Detailed technical specifications for the AY-XP9FR indoor and AE-X9FR outdoor units.

AY-XP12 FR; AE-X12 FR Specifications

Detailed technical specifications for the AY-XP12FR indoor and AE-X12FR outdoor units.

External Dimensions and Diagrams

Indoor Unit External Dimensions

Detailed dimensions and visual representation of the indoor unit.

Outdoor Unit External Dimensions

Detailed dimensions and visual representation of the outdoor unit.

Wiring Diagrams and Self-Diagnosis

Indoor Unit Wiring Diagram

Electrical wiring diagram for the indoor unit, including LED self-diagnosis indicators.

Outdoor Unit Wiring Diagram (AE-X7 FR;AE-X9 FR)

Wiring diagram for outdoor units AE-X7FR/AE-X9FR with self-diagnosis.

Outdoor Unit Wiring Diagram (AE-X12 FR)

Wiring diagram for outdoor unit AE-X12FR including self-diagnosis.

Troubleshooting Guide and Error Codes

Self-Diagnosis Function and Display Mode

How to activate and interpret self-diagnosis for error detection.

Troubleshooting Table: Indoor;Outdoor Unit Errors

Detailed table correlating LED indications to malfunctions, inspection, and remedies.

Troubleshooting Table: Cycle and Thermistor Errors

Troubleshooting for cycle temperature, dry operation, and thermistor errors.

Troubleshooting Table: DC;AC Errors and Switchover

Troubleshooting for DC/AC overcurrent, IPM errors, and cooling/heating switchover.

Troubleshooting Table: Fan, Wiring, and Control Errors

Troubleshooting for fan errors, wiring issues, and control board faults.

Troubleshooting Table: Indoor Unit Fan and PCB Errors

Troubleshooting for indoor unit fan motor and PCB errors like EEPROM faults.

Inter-unit Wiring Error Modes

Identification and symptoms of various inter-unit wiring errors.

Performance Curves and Operating Data

AY-XP7 FR Performance Curves

Cooling and heating performance curves for the AY-XP7FR model.

AY-XP9 FR Performance Curves

Cooling and heating performance curves for the AY-XP9FR model.

AY-XP12 FR Performance Curves

Cooling and heating performance curves for the AY-XP12FR model.