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Sharp AY-X9PSR - User Manual

Sharp AY-X9PSR
73 pages
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SERVICE MANUAL
AY-X9PSR
SC213AYX9PSR/C
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 ..............................1-2
[3] WIRING DIAGRM..........................................1-3
[4] ELECTRICAL PARTS....................................1-4
CHAPTER 2. EXPLANATION OF CIRCUIT AND OP-
ERATION
[1] BLOCK DIAGRAMS ......................................2-1
[2] MICROCOMPUTER CONTROL SYSTEM........2-3
[3] FUNCTION..................................................2-18
CHAPTER 3. FUNCTION AND OPERATION OF PRO-
TECTIVE PROCEDURES
[1] PROTECTION DEVICE FUNCTIONS AND
OPERATIONS ...............................................3-1
[2] AIR CONDITIONER OPERATION IN
THERMISTOR ERROR...............
..................3-2
[3] THERMISTOR TEMPERATURE CHAR-
ACTERISTICS...............................................3-3
[4] GENERAL TROUBLESHOOTING CHART....3-6
[5] MALFUNCTION (PARTS) CHECK METH-
OD..................................................................3-8
[6] CHART .........................................................3-10
[7] TROUBLE SHOOTING GUIDE ................... 3-11
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....................... 4-2
[4] PERFORMANCE CURVES ........................... 4-2
CHAPTER 5. DISASSEMBLY PROCEDURE
[1] INDOOR UNIT ............................................... 5-1
[2]
[3]
OUTDOOR UNIT ........................................... 5-4
CHAPTER 6. OPERATION MANUAL
CONTROL BOX............................................. 5-7
PA
RTS LIST
CONTENTS
SPLIT TYPE ROOM AIR CONDITIONER
INDOOR UNIT OUTDOOR UNIT
MODELS
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.
AE-X9PSR
AY-X12PSR AE-X12PSR
AY-X9PSR
MODELS
CHAPTER 7. INSTALLATION MANUAL

Table of Contents

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Sharp AY-X9PSR Specifications

General IconGeneral
Power Supply220-240 V, 50 Hz
Outdoor Unit Weight28 kg
RefrigerantR32
TypeSplit System
Outdoor Unit Dimensions (W x H x D)780 x 540 x 269 mm

Summary

Chapter 1. Product Specification

1. Specification

Detailed specifications for AY-X9PSR/AY-X12PSR air conditioners, including electrical data, compressor, and fan system.

2. External Dimension

Indoor Unit Dimensions

Provides external dimensions and diagrams for the indoor unit of the air conditioner.

Outdoor Unit Dimensions

Provides external dimensions and diagrams for the outdoor unit of the air conditioner.

3. Wiring Diagram

Indoor Unit Wiring Diagram

Wiring diagram for the indoor unit, showing electrical connections and components.

Outdoor Unit Wiring Diagram

Wiring diagram for the outdoor unit, detailing electrical connections and components.

4. Electrical Parts

AY-X9 PSR;AE-X9 PSR Electrical Parts

Lists electrical parts for AY-X9PSR/AE-X9PSR units with codes and remarks.

AY-X12 PSR;AE-X12 PSR Electrical Parts

Lists electrical parts for AY-X12PSR/AE-X12PSR units with codes and remarks.

Chapter 2. Explanation of Circuit and Operation

1. Block Diagram (Indoor Unit)

Block diagram of the indoor unit's control system, detailing its functional blocks and connections.

2. Block Diagram (Outdoor Unit)

Block diagram of the outdoor unit's control system, detailing its functional blocks and connections.

2. Microcomputer Control System

1. Indoor Unit Microcomputer Control

Electronic control circuit diagram for the indoor unit's microcomputer system.

1.2. Printed Wiring Board

Indoor Unit Printed Wiring Board

Shows the printed wiring board layout for the indoor unit.

2. Outdoor Unit

2.1. Electronic Control Circuit Diagram (Inverter Module Board)

Electronic control circuit diagram for the outdoor unit's inverter module board.

Power Supply Board

Electronic Control Circuit Diagram

Schematic diagram of the power supply board's electronic control circuit.

2.2. Printed Wiring Board

Inverter Module Board

Shows the printed wiring board layout for the inverter module board.

Power Supply Board

Printed Wiring Board Layout

Layout diagram of the power supply board's printed wiring.

Chapter 3. Function and Operation

1.1. Compressor Delay Operate

Explains the 3-minute delay for compressor restart to protect the unit.

1.9. Compressor Discharge Overheat Prevention Control

Prevents compressor overheat by controlling frequency and shutting down if necessary.

1.10. Voltage Prevention

Protects unit from over/under voltage by stopping operation.

1.11. Over Current Prevention

Prevents overcurrent by reducing compressor frequency or stopping the unit.

Chapter 3. Function and Operation (cont.)

1.13. Indoor Unit Evaporator Freeze Prevention

Prevents indoor evaporator freezing by stopping the compressor and displaying code P5.

1.14. Outdoor Unit Overheat Prevention

Prevents outdoor unit overheat by controlling frequency and stopping the compressor.

1.16. IPM Protector

Shuts down the outdoor unit if IPM temperature or current is too high.

1.20. Defrosting

Explains the defrosting process and conditions controlled by the microprocessor.

Chapter 3. Function and Operation (cont. 2)

1.21. Information About Auto Mode

Details how AUTO mode automatically selects settings based on room temperature.

1.22. Airflow Control

Instructions on adjusting vertical and horizontal airflow direction.

1.23. Difference Relating to Set Temperature

Describes temperature setting ranges and adjustments for different modes.

1.24. Drying Operation Control

Explains how drying mode adjusts room temperature and fan speed.

2. Outline of PWM (Pulse Width Modulation) Circuit

2.1. Power Factor Correction (PFC)

Explains how PFC circuit controls compressor voltage and speed.

Chapter 3. Function and Operation of Protective Procedures

1. Protection Device Functions and Operations

Details protective device functions, detection periods, reset conditions, and error displays.

Protective Device Functions (cont.)

1. Indoor Unit Thermistor Errors

Describes thermistor errors and their effects on indoor unit operation modes.

2. Outdoor Unit Thermistor Errors

Lists protective functions related to outdoor thermistors and their error conditions.

3. Thermistor Temperature Characteristics

1. Indoor and Outdoor Thermistor Characteristics

Provides temperature and resistance characteristics for indoor/outdoor thermistors.

4. General Troubleshooting Chart

1. Indoor Unit Does Not Turn On

Troubleshooting guide for when the indoor unit fails to turn on.

2. Indoor Unit Fan Does Not Operate

Troubleshooting guide for when the indoor unit fan fails to operate.

3. Indoor Unit Fan Speed Does Not Change

Troubleshooting guide for when the indoor unit fan speed does not change.

General Troubleshooting Chart (cont.)

4. Remote Control Signal Not Received

Troubleshooting steps when the remote control signal is not received.

5. Vane Does Not Move

Troubleshooting steps when the vane does not move.

6. Compressor Does Not Start

Troubleshooting steps when the compressor does not start.

5. Malfunction (Parts) Check Method

1. Procedure for Determining Defective Outdoor Unit IPM;Compressor

Flowchart for diagnosing defective outdoor unit IPM or compressor issues.

Malfunction Check Method (cont.)

6. DC Over Current Error

Flowchart for diagnosing DC Over Current errors.

6. Chart

1. Failure Code Display (Indoor Unit)

Lists failure codes, indicator status, and LED display for indoor units.

2. Failure Code Display (Outdoor Unit)

Lists failure codes and fault messages for outdoor power supply PCB.

Chart (cont.)

2.2. Outdoor IPM Faults

Lists fault messages and blink times for outdoor IPM failures.

2.3. Protection Code

Lists protection types, function indicator flashes, and digital LED displays.

7. Troubleshooting Guide

1. Display E1 or E2

Troubleshooting for E1/E2 display codes related to thermistor faults.

Troubleshooting Guide (cont.)

2. Display E6

Troubleshooting for E6 display code related to indoor fan motor fault.

3. Display E3, E7, E8

Troubleshooting for E3, E7, E8 codes related to outdoor sensors.

4. Display EA

Troubleshooting for EA display code related to current sensor fault.

Troubleshooting Guide (cont. 2)

5. Display EC

Troubleshooting for EC display code related to outdoor communication faults.

Troubleshooting Guide (cont. 3)

6. Display EU

Troubleshooting for EU display code related to voltage sensor fault.

7. Display EP

Troubleshooting for EP display code related to compressor temperature switch fault.

8. Display P1

Troubleshooting for P1 display code related to over/undervoltage protection.

Troubleshooting Guide (cont. 4)

9. Display E9 (Firstly display PO or P9, then change to E9)

Troubleshooting for E9 code, often following P0 or P9, related to IPM faults.

10. Display EE

Troubleshooting for EE display code related to EEPROM fault.

Troubleshooting Guide (cont. 5)

12. Display E0, E5

Troubleshooting for E0/E5 codes related to indoor/outdoor communication faults.

Troubleshooting Guide (cont. 6)

13. Display P4

Troubleshooting for P4 code related to discharge overtemperature protection.

14. Display P2

Troubleshooting for P2 code related to overcurrent protection.

15. Display P5

Troubleshooting for P5 code related to subcooling protection.

16. Display P6

Troubleshooting for P6 code related to overheating protection under cooling mode.

Troubleshooting Guide (cont. 7)

17. Display P7

Troubleshooting for P7 code related to overheating protection under heating mode.

18. Display P8

Troubleshooting for P8 code related to outdoor air temperature protection.

19. Display P9

Troubleshooting for P9 code related to IPM faults.

Chapter 4. Refrigeration Cycle

1. Schematic Diagram

Schematic diagram illustrating the refrigeration cycle of the air conditioner.

2. Standard Condition

Specifies standard conditions for cooling and heating operation.

3. Temperature and Pressure in 3-Way Valve

Lists temperature and pressure details for the 3-way valve in different modes.

Performance Curves

AY-XP9 PSR;AE-XP9 PSR Cooling & Heating

Cooling and heating performance curves for AY-XP9PSR/AE-XP9PSR models.

AY-X12 PSR;AE-X12 PSR Cooling & Heating

Cooling and heating performance curves for AY-X12PSR/AE-X12PSR models.

Chapter 5. Disassembly Procedure

1. Indoor Unit Disassembly

Step-by-step instructions for disassembling the indoor unit of the air conditioner.

2. Outdoor Unit Disassembly

Step-by-step instructions for disassembling the outdoor unit of the air conditioner.

3. Control Box Disassembly

Instructions for disassembling the control box of the air conditioner.

Chapter 7. Installation Manual

Safety Precautions

Important safety precautions to follow during air conditioner installation.

1. Mounting Plate and Piping Hole

Instructions for installing the mounting plate and making the piping hole.

2. Setting Up the Indoor Unit

Steps for connecting refrigerant pipes and setting up the indoor unit.

3. Connecting Cable to Indoor Unit

Instructions for connecting the electrical cable to the indoor unit.

Installation Manual (cont.)

4. Connecting the Drain Hose

Instructions for connecting and routing the drain hose for indoor unit.

5. Outdoor Unit Installation

Instructions for firmly fastening the outdoor unit with bolts.

6. Connecting the Refrigerant Pipes

Steps for connecting refrigerant pipes, including flaring and tightening.

7. Air Removal

Procedure for removing air from the refrigerant system using a vacuum pump.

Installation Manual (cont. 2)

8. Connecting Cable to Outdoor Unit

Instructions for connecting the electrical cable to the outdoor unit.

11. Test Run

Procedure for performing a test run of the air conditioner.

Pump Down Procedure

Procedure for collecting refrigerant into the outdoor unit for removal.

Chapter 6. Operation Manual

Using the Remote Control

Instructions on how to use the remote control, including battery loading.

Operation Manual (cont.)

Basic Operation

Step-by-step guide to basic operation using the remote control buttons.

Operation Manual (cont. 2)

Adjusting the Air Flow Direction

Instructions on adjusting vertical and horizontal airflow direction.

Full Power Operation

Explanation of the full power operation mode for rapid cooling or warming.

Operation Manual (cont. 3)

Timer Operation

Instructions for setting TIMER OFF and TIMER ON functions.

Operation Manual (cont. 4)

Tips on Saving Energy

Provides simple tips for saving energy when using the air conditioner.

Note on Operation

Important notes on operating conditions, power failure, and heating defrosting.

Parts Guide

Room Air Conditioner Parts Overview

Overview of the parts guide structure for indoor and outdoor units.

1. Indoor Unit Parts

Indoor Unit Exploded View

Exploded view diagram of indoor unit parts with numbering.

AY-X9 PSR Indoor Unit Parts List

Part list for AY-X9PSR indoor unit, including part numbers, names, and quantities.

AY-X12 PSR Indoor Unit Parts List

Part list for AY-X12PSR indoor unit, including part numbers, names, and quantities.

2. Accessory Parts

Accessory Parts List

Lists accessory parts such as remote control and manuals.

3. Indoor Unit Parts

Indoor Packing Parts

Lists packing materials for indoor units (cartons, foaming).

4. Outdoor Unit Parts

Outdoor Unit Exploded View

Exploded view diagram of outdoor unit parts with numbering.

AE-X9 PSR Outdoor Unit Parts List

Part list for AE-X9PSR outdoor unit, including part numbers, names, and quantities.

AE-X12 PSR Outdoor Unit Parts List

Part list for AE-X12PSR outdoor unit, including part numbers, names, and quantities.

5. Outdoor Packing Parts

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