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Daikin 2MXS18WMVJU9 User Manual

Daikin 2MXS18WMVJU9
303 pages
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[Applied Models]
Inverter Pair : Heat Pump
Multi-Split Type Air Conditioners
2/3/4/5MXS-W, 2/3/4MXL-W, 2/3/4MXLH-W Series
Service
Manual
SiUS122226E

Table of Contents

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Daikin 2MXS18WMVJU9 Specifications

General IconGeneral
CategoryAir Conditioner
Power Supply220-240V, 50Hz
Outdoor Unit Noise Level48 dBA
Outdoor Unit Weight34 kg
TypeSplit System
RefrigerantR32
Indoor Unit Noise Level (Low)19 dB

Summary

Introduction

1. Safety Cautions

Crucial warnings and precautions for safe handling and operation.

2. Icons Used

Explains the meaning of icons used throughout the manual.

3. Revision History

Details past revisions and updates to the manual.

Part 1 General Information

1. Applicable Models

Lists all compatible indoor and outdoor unit models.

2. Functions

Describes the functions of indoor and outdoor units.

Part 2 Specifications

1. Specifications

Provides detailed technical specifications for indoor and outdoor units.

Part 3 Printed Circuit Board Connector Wiring Diagram

1. Indoor Unit

Wiring diagrams for various indoor unit PCB types.

2. Sensor Kit for FFQ Series

Details on the sensor kit components and connections.

3. Wired Remote Controller

Wiring for the wired remote controller.

4. Wireless Remote Controller Receiver for FDMQ series

Wiring for the wireless remote controller receiver.

5. Wireless Remote Controller Kit for FFQ Series

Wiring for FFQ series wireless controller kits.

6. Outdoor Unit

Wiring diagrams for outdoor unit PCBs.

Part 4 Functions and Control

1. Common Functions

Describes functions common across different unit types.

2. Functions for Wall Mounted / Floor Standing Type

Details functions specific to wall-mounted and floor-standing units.

3. Functions for Duct Concealed / Ceiling Cassette Type

Details functions specific to duct-concealed and ceiling cassette units.

4. Control Specification

Explains the system's control logic and specifications.

Part 5 Remote Controller

1. Applicable Remote Controller

Lists compatible remote controller models and their reference pages.

2. ARC452A21

Details the functions and operation of the ARC452A21 remote controller.

3. ARC466A36

Details the functions and operation of the ARC466A36 remote controller.

4. ARC466A21

Details the functions and operation of the ARC466A21 remote controller.

5. BRC944B2

Details the functions and operation of the BRC944B2 remote controller.

6. BRC1E73

Details the functions and operation of the BRC1E73 wired remote controller.

7. BRC082A43

Details the functions and operation of the BRC082A43 wireless remote controller.

8. BRC082A41W, BRC082A42W(S)

Details the functions and operation of wireless remote controller kits.

Part 6 Service Diagnosis

1. General Problem Symptoms and Check Items

Lists common symptoms and initial troubleshooting checks.

2. Troubleshooting with LED

Guides troubleshooting using LED indicators on indoor and outdoor units.

3. Service Diagnosis

Methods for entering and using diagnostic modes on remote controllers.

4. Code Indication on Remote Controller

Explains error codes displayed on remote controllers for different unit types.

5. Troubleshooting for Wall Mounted/Floor Standing Type

Specific troubleshooting steps for wall-mounted and floor-standing units.

6. Troubleshooting for Duct Concealed/Ceiling Cassette Type

Specific troubleshooting steps for duct-concealed and ceiling cassette units.

7. Troubleshooting for Outdoor Unit

Specific troubleshooting steps for outdoor units.

Part 7 Trial Operation and Field Settings

1. Pump Down Operation

Procedure for pump down operation during unit relocation or disposal.

2. Forced Cooling Operation

Steps for performing forced cooling operation for testing purposes.

3. Wiring Error Check Function

Procedure to check and correct wiring errors automatically.

4. Trial Operation

Guidelines and procedures for conducting trial operation.

5. Field Settings

Configuration settings for various unit types and controllers.

Part 8 Appendix

1. Piping Diagrams

Schematic diagrams of refrigerant piping for indoor and outdoor units.

2. Wiring Diagrams

Detailed wiring diagrams for indoor and outdoor units.

3. Operation Limit

Specifies operational limits for various models under different conditions.

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