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Samsung AJ020JCJ2CH - User Manual

Samsung AJ020JCJ2CH
118 pages
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AIR CONDITIONER CONTENTS
MULTI AIR CONDITIONER
1. Precautions
2. Product Specications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram and Parts List
6. Wiring Diagram
7. Reference Sheet
OUTDOOR UNIT
AJ020JCJ2CH
AJ024JCJ3CH
AJ036JCJ5CH
AJ020JCJ2CH/AA
AJ024JCJ3CH/AA
AJ036JCJ5CH/AA
Model name:
AJ009JNNDCH
AJ012JNNDCH
AJ018JNNDCH
AJ007JNADCH
AJ009JNADCH
AJ012JNADCH
Model code:
AJ009JNNDCH/AA
AJ012JNNDCH/AA
AJ018JNNDCH/AA
AJ007JNADCH/AA
AJ009JNADCH/AA
AJ012JNADCH/AA
AJ018JNADCH
AJ024JNADCH
AJ009JNLDCH
AJ012JNLDCH
AJ018JNLDCH
AJ018JNADCH/AA
AJ024JNADCH/AA
AJ009JNLDCH
/AA
AJ012JNLDCH/AA
AJ018JNLDCH/AA
INDOOR UNIT
AJ009JNNDCH
AJ012JNNDCH
AJ018JNNDCH
AJ009JNLDCH
AJ012JNLDCH
AJ018JNLDCH
AJ007JNADCH
AJ009JNADCH
AJ012JNADCH
AJ018JNADCH
AJ024JNADCH
AJ020JCJ2CH
AJ024JCJ3CH
AJ036JCJ5CH

Table of Contents

Other manuals for Samsung AJ020JCJ2CH

Questions and Answers

  • J
    justin57Aug 4, 2025
    Why is my Samsung AJ020JCJ2CH outdoor unit freezing?
    • J
      Jonathan SanfordAug 4, 2025
      If your Samsung Air Conditioner's outdoor unit is freezing and the compressor has stopped, check the pipe length, indoor unit filter, refrigerant levels for leakage or insufficient charge, and the service port.
  • B
    Bobby RamosAug 8, 2025
    What to do if my Samsung Air Conditioner outdoor unit is overloaded?
    • R
      Ryan BondAug 8, 2025
      If the outdoor unit of your Samsung Air Conditioner is overloaded and the compressor has stopped due to safety control, you should check the pipe length and refrigerant levels for any leakage or insufficient charge.
  • M
    Marcus CaldwellAug 12, 2025
    How to fix a communication error on Samsung AJ020JCJ2CH (indoor unit can't receive data)?
    • E
      Erin WaltonAug 12, 2025
      If your Samsung Air Conditioner is showing a communication error where the indoor unit is unable to receive data, check the electrical connections and settings.
  • D
    Danielle GarciaAug 17, 2025
    What to do if my Samsung AJ020JCJ2CH Air Conditioner displays an outdoor unit communication error?
    • J
      Jacob RichardsonAug 17, 2025
      If your Samsung Air Conditioner is showing an outdoor unit communication error due to abnormal data from the indoor unit, check the electrical connections and settings.
  • T
    Troy HatfieldAug 21, 2025
    How to fix communication cable mismatch between indoor and outdoor unit on Samsung Air Conditioner?
    • J
      julie24Aug 21, 2025
      If there's a communication cable mismatch between the indoor and outdoor units of your Samsung Air Conditioner, check the electrical connections.
  • A
    adamscarrieAug 26, 2025
    What to do if Samsung Air Conditioner fails pipe check operation?
    • A
      Angelica OrozcoAug 26, 2025
      If your Samsung Air Conditioner fails the pipe check operation, check the piping connection and settings.
  • J
    Jeffrey TannerAug 29, 2025
    What to do if no pipe check operation check on Samsung Air Conditioner?
    • K
      Kurt HenryAug 30, 2025
      If there is no pipe check operation on your Samsung Air Conditioner after installation via auto addressing mode, check the settings.

Summary

Precautions

Installing the air conditioner

Guidelines for safe and proper installation of the air conditioner unit.

Power supply and circuit breaker

Ensuring correct electrical connections and safety measures.

During operation

Important recommendations for safe and efficient air conditioner usage.

Disposing of the unit

Environmentally conscious procedures for unit disposal.

Others

Additional safety notes and general operating considerations.

Product Specifications

The Feature of Product

Highlights and key characteristics of the Multi Inverter series.

Detailed Specifications

Technical data for indoor units (Mini 4 way cassette, Slim Duct).

Accessories and Specifications

List of accessories provided with indoor units and their details.

Disassembly and Reassembly

Indoor Unit Disassembly

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

Outdoor Unit Disassembly

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

Troubleshooting

Display Error and Check Method

Interpreting LED error codes for indoor unit operation.

Setting Option Setup Method

Guide to setting indoor unit addresses and operational options.

Items to be checked first

Pre-checks for operational issues not related to unit failure.

Checking and Testing operations

Procedures for verifying installation and system performance.

Fault Diagnosis by Symptom

Diagnosing indoor unit issues based on symptoms and error codes.

PCB Diagram and Parts list

Indoor Unit PCB Diagram

Schematic and component identification for the indoor unit PCB.

Outdoor Unit PCB Diagram

Schematic and component identification for the outdoor unit PCB.

Wiring Diagram

Indoor Unit Wiring Diagram

Electrical connection diagrams for indoor units.

Outdoor Unit Wiring Diagram

Electrical connection diagrams for outdoor units.

Reference Sheet

Installation Area Selection

Recommendations for optimal installation locations for unit placement.

Connecting Up and Purging the Circuit

Steps for connecting refrigerant lines and purging air.

Refrigerant Refill

Procedure for refilling refrigerant after installation or leak.

Refrigerant Adjustment

Guidelines for adjusting refrigerant based on pipe length.

Flare Nut Fixing Torque

Specifications for tightening flare nuts on refrigerant pipes.

Pump down Procedure

Steps for safely removing refrigerant from the system.

Model Name Index

Explanation of the model code structure for identification.

Refrigerating Cycle Diagram

Diagrams illustrating refrigerant flow for different unit models.

Technical Terms and Q&A

Definitions of technical terms and answers to common operational questions.

Common sense of refrigeration

Basic principles and understanding of refrigeration systems.

Samsung AJ020JCJ2CH Specifications

General IconGeneral
ModelAJ020JCJ2CH
Cooling Capacity2.0 kW
Heating Capacity2.2 kW
RefrigerantR410A
Indoor Unit Dimensions (W x H x D)750 x 250 x 190 mm
Outdoor Unit Dimensions (W x H x D)720 x 495 x 270 mm
Power Supply220-240V, 50Hz

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