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Daikin RXS18LVJU Service Manual

Daikin RXS18LVJU
414 pages
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Service
Manual
Inverter Pair
FTXS-L Series
FDXS-L Series
SiUS091133
[Applied Models]
Inverter Pair : Cooling Only
Inverter Pair : Heat Pump

Table of Contents

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Daikin RXS18LVJU Specifications

General IconGeneral
Cooling Capacity5.0 kW
Energy Efficiency Ratio (Cooling)3.21
RefrigerantR32
Voltage220-240 V
Frequency50 Hz
TypeSplit System
Indoor Unit Noise Level19 dB

Summary

Daikin Air Conditioner Functions

FTXS Series Functions Overview

Details the functions available for the FTXS Series models.

FDXS Series Functions Overview

Details the functions available for the FDXS Series models.

Daikin Air Conditioner Specifications

FTXS Series Technical Specifications

Provides detailed technical specifications for FTXS Series units.

FDXS Series Technical Specifications

Provides detailed technical specifications for FDXS Series units.

Daikin PCB Wiring and Connector Diagrams

Indoor Unit PCB Wiring Diagrams

Wiring diagrams for indoor units (FTXS, FDXS series).

Outdoor Unit PCB Wiring Diagrams

Wiring diagrams for outdoor units (RXS, RK(X)S series).

Daikin Air Conditioner Functionality and Control

Main Functions Overview

Explains key functions like temperature, airflow, and mode controls.

Thermistor Functionality Explained

Details the role and function of various thermistors in the system.

Control Specifications and Modes Explained

Covers mode hierarchy, frequency control, and operating specifications.

Daikin Air Conditioner Operation Manual

FTXS Series Operation Guide

Guides on operating FTXS Series units using the remote controller.

FDXS Series Operation Guide

Guides on operating FDXS Series units using the remote controller.

System Configuration and Initial Settings

Explains system setup and initial configurations.

Special Operation Modes Guide

Details modes like COMFORT AIRFLOW, INTELLIGENT EYE, POWERFUL, QUIET, ECONO.

Timer Operations Guide

Guides on setting OFF, ON, and WEEKLY timers.

Daikin Service Diagnosis and Troubleshooting

Troubleshooting Using LED Indicators

Interpreting LED indicators for fault diagnosis.

Common Problem Symptoms and Solutions

Lists common issues and their corresponding solutions.

Service Check Procedures

Procedures for entering and using service check modes.

Error Codes and Comprehensive Troubleshooting

Comprehensive list of error codes and troubleshooting steps.

Component Diagnostic Checks

Procedures for checking components like thermistors and motors.

Daikin Air Conditioner Removal Procedures

Indoor Unit FTXS/FDXS Removal

Detailed steps for removing parts of indoor units (FTXS, FDXS).

Outdoor Unit RXS09/12LVJU Removal

Steps to remove panels, fan motor, electrical box, etc.

Outdoor Unit RXS15/18LVJU Removal

Steps to remove panels, fan motor, electrical box, etc.

Outdoor Unit RXS24LVJU Removal

Steps to remove panels, fan motor, electrical box, etc.

Outdoor Unit RKS30/36LVJU, RXS30/36LVJU Removal

Steps to remove panels, fan motor, electrical box, etc.

Trial Operation and Field Settings Guide

Pump Down Operation Procedure

Procedure for safe refrigerant handling during unit relocation.

Forced Cooling Operation Steps

Steps to initiate forced cooling for testing or operation.

Trial Operation Guide

Guide for conducting operational tests after installation.

Field Settings and Configuration Options

Covers model type, temperature display, and jumper settings.

Silicon Grease Application for PCBs

Instructions for applying silicon grease on PCBs for heat dissipation.

Appendix: Diagrams and Schematics

Indoor Unit Piping Diagrams

Visual representation of refrigerant piping for indoor units.

Outdoor Unit Piping Diagrams

Visual representation of refrigerant piping for outdoor units.

Indoor Unit Wiring Schematics

Electrical wiring schematics for indoor units.

Outdoor Unit Wiring Schematics

Electrical wiring schematics for outdoor units.

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