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Samsung AJ020MCS3CH User Manual

Samsung AJ020MCS3CH
92 pages
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AIR CONDITIONER CONTENTS
MULTI AIR CONDITIONER
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram and Parts List
6. Wiring Diagram
7. Schematic Diagram
8. Reference Sheet
INDOOR UNIT
AJ007/009/012/018/024JNADCH
AJ009/012/018JNNDCH
AJ009/012/018JNLDCH
OUTDOOR UNIT
AJ020MCS3CH
AJ024MCS4CH
AJ030MCS4CH
1. Precautions

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Samsung AJ020MCS3CH Specifications

General IconGeneral
BrandSamsung
ModelAJ020MCS3CH
CategoryAir Conditioner
LanguageEnglish

Summary

Precautions

Installing the air conditioner

Guidelines for safe and proper installation of the air conditioner by qualified professionals.

Power supply and circuit breaker

Instructions for safe electrical connection, grounding, and breaker usage for the air conditioner.

During operation

Safety precautions and guidelines for operating the air conditioner safely and correctly.

Disposing of the unit

Procedures for safely and environmentally disposing of the air conditioner and its components.

Others

Additional important safety notes and procedures related to the air conditioner's operation and handling.

Product Specifications

The Feature of Product

Highlights key features and benefits of the air conditioner, focusing on low ambient solutions.

Product Specifications

Detailed technical specifications for various indoor and outdoor unit models.

Accessory and Option Specifications

Details on optional accessories and their specifications for indoor units.

Disassembly and Reassembly

Necessary Tools

Lists the essential tools required for disassembling and reassembling the air conditioner components.

AJ***MCS*CH

Step-by-step procedure for disassembling the AJ***MCS*CH model, including component identification.

Troubleshooting

Display Error and Check Method

Guide to identifying and resolving error codes displayed on the indoor unit's 7-segment or LED indicators.

Indoor unit

Troubleshooting specific error codes and abnormal conditions for indoor units.

Outdoor Unit

Troubleshooting specific error codes and abnormal conditions for outdoor units.

Setting an indoor unit address and installation option

Setting the indoor unit addresses automatically

Procedure for automatically setting indoor unit addresses and performing pipe checking.

Setting Option Setup Method

Enter the Option Setup mode

Instructions on how to enter the option setup mode using the remote control.

Setting an indoor unit address and installation option

Detailed guide on setting indoor unit addresses and installation options using the wireless remote controller.

Items to be checked first

Input voltage range check

Verifying the input voltage within the specified tolerance is crucial for proper operation.

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

Setting to Cool or Heat only mode

How to configure indoor units to operate in specific modes like Cool only or Heat only.

Fault Diagnosis by Symptom

Indoor Unit Faults

Troubleshooting guide for common indoor unit issues, including temperature sensor and fan errors.

PCB Inspection

Cautions for Part Replacement

Safety precautions and guidelines to follow before, during, and after replacing PCB components.

PCB Diagram

INDOOR PCB Diagram

Visual representation and pinout details of the indoor unit's main PCB for troubleshooting and identification.

Wiring Diagram

INDOOR UNIT

Schematic illustrating the wiring connections for the indoor unit, including components and signals.

Preference Sheet

Selecting Area for Installation

Guidance on choosing the optimal installation location for the indoor unit to ensure proper performance.

Connecting Up and Purging the Circuit

Check the piping connections

Steps to ensure correct piping connections and proper purging of the refrigerant circuit.

"Pump down" Procedure

AJ***MCS*CH

Detailed procedure for pump down operations, essential for evaporator replacement or unit relocation.

Index of Model Name

Indoor Unit Model Name

A guide to understanding the indoor model name structure and its corresponding features and specifications.

Refrigerating Cycle Diagram

AJ***MCS4CH Refrigerating Cycle

Schematic illustrating the refrigerating cycle and component flow for the AJ***MCS4CH model.

Pressure & Capacity mark

Power/Heat Conversion

Table detailing the conversion and relationship between various power and heat measurement units.

Abbreviated technology terms and definitions

Technology Terms Definitions

Definitions of technical terms and abbreviations used throughout the manual for clarity.

Q & A for Non-trouble

Cooling Performance Issues

Frequently asked questions and answers related to cooling performance issues and troubleshooting.

Common sense of refrigeration

Air supplier function

Explains the role of air suppliers in providing fresh air and maintaining a healthy indoor environment.

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