Samsung AR18JSFLBWKNCV User Manual

Installation Diagram of Indoor Unit and
Outdoor Unit
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/12K 18K 24K

Samsung AR18JSFLBWKNCV Specifications

General

Brand	Samsung
Model	AR18JSFLBWKNCV
Category	Air Conditioner
Language	English

Summary

Precautions

Installing the Air Conditioner

Power Supply and Circuit Breaker

Product Specifications

Detailed Technical Specifications

Comprehensive technical data including performance and dimensions.

Disassembly and Reassembly

Indoor Unit Disassembly Procedures

Step-by-step guide for taking apart the indoor unit.

Outdoor Unit Disassembly Procedures

Step-by-step guide for taking apart the outdoor unit.

Wiring Diagrams

Indoor Unit Wiring Schematic

Electrical diagram showing connections within the indoor unit.

Outdoor Unit Wiring Schematic

Electrical diagram showing connections within the outdoor unit.

PCB Diagrams

Indoor Main PCB 9k/12k Layout

Component layout and identification for 9k/12k indoor main PCB.

Indoor Main PCB 18k Layout

Component layout and identification for 18k indoor main PCB.

Indoor Main PCB 24k Layout

Component layout and identification for 24k indoor main PCB.

Indoor Display PBA 9K/12K Layout

Indoor Display PBA 18K24K Layout

Troubleshooting

Initial Troubleshooting Checks

Communication Fault Diagnosis

Troubleshooting steps for communication errors between units.

Sensor Fault Diagnosis

Methods to diagnose issues related to temperature sensors.

Fan Motor Fault Diagnosis

Procedures for troubleshooting fan motor malfunctions.

Electrical Component Fault Diagnosis

IPM Module Protection Troubleshooting

Refrigerant Error Diagnosis

Compressor Drive Fault Diagnosis

Voltage Sensor Fault Diagnosis

PCB Inspection Method

Installation Diagrams and Procedures

Air-Purge Procedure

Steps for removing air from the refrigerant system during installation.

Pump Down Procedure

Pump Down Inspection Procedures