Samsung AJ024TXJ3CH User Manual

AIR CONDITIONER CONTENTS
MULTI AIR CONDITIONER
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram
6. Wiring Diagram
7. Reference Sheet
INDOOR UNIT OUTDOOR UNIT
AR07/09/12/15/18/24TSFABWKN
AR07/09/12/15/18/24TSFYBWKN
AJ009/012/018TNNDCH
AJ009/012/018TNLDCH
AJ009/012/015/018TNJDCH
AJ020TXJ2CH
AJ024TXJ3CH
AJ036TXJ4CH
AJ048TXJ5CH
AJ020TXS3CH
AJ024TXS4CH
AJ030TXS4CH
AJ036TXS4CH

Samsung AJ024TXJ3CH Specifications

General

Model	AJ024TXJ3CH
Type	Split System
Inverter	Yes
Refrigerant	R410A
Power Supply	220-240V, 50Hz
Cooling Capacity	24000 BTU/hr
Operating Temperature (Cooling)	18°C to 43°C
Air Flow (High)	12.5 m³/min
Noise Level (Outdoor)	50 dB

Summary

1. Precautions

1-1 Precautions for the Service

2. Product Specifications

2-2 Product Specifications

Detailed technical specifications for indoor and outdoor units.

3. Disassembly and Reassembly

3-1 Outdoor Unit

Step-by-step instructions for disassembling the outdoor unit.

3-1-1 AJ020TXJ3CH, AJ024TXJ3CH

Disassembly steps for specific outdoor unit models AJ020TXJ3CH and AJ024TXJ3CH.

3-1-2 AJ036TXJ4CH, AJ020TXS3CH, AJ024TXS4CH, AJ030TXS4CH

Disassembly steps for specific outdoor unit models AJ036TXJ4CH, AJ020TXS3CH, etc.

3-1-3 AJ048TXJ5CH, AJ036TXS4CH

Disassembly steps for specific outdoor unit models AJ048TXJ5CH and AJ036TXS4CH.

4. Troubleshooting

4-1 Display and Check Method

Methods for checking and interpreting unit displays and error codes.

4-2 Setting an indoor unit address and installation option

4-3 Setting Option

4-4 Items to be checked first

4-5 Setting to Cool or Heat only mode, checking and Cool/Heat modes operation test

4-6 Fault Diagnosis by Symptom

Diagnosing faults based on observed symptoms and unit displays.

4-6-1 Indoor

Troubleshooting specific faults related to the indoor unit.

4-6-2 Outdoor unit is not powered on – Initial diagnosis

Initial diagnostic steps when the outdoor unit does not power on.

4-6-3 Checking Outdoor Controller

4-6-4 Outdoor unit fan error

4-6-5 Compressor startup error, Compressor lock error, Compressor rotation error

Troubleshooting compressor startup, lock, and rotation errors.

4-6-6 IPM Over current error

Diagnosing and resolving IPM over current errors.

4-6-7 Checking Temperature sensor

Procedures for checking temperature sensors for faults.

4-7 PCB Inspection

Guidelines and procedures for inspecting printed circuit boards (PCBs).

6. Wiring Diagram

6-1 Indoor Unit

6-2 Outdoor unit