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Daikin 2MXL18WMVJU9 User Manual

Daikin 2MXL18WMVJU9
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 2MXL18WMVJU9 Specifications

General IconGeneral
BrandDaikin
Model2MXL18WMVJU9
CategoryAir Conditioner
LanguageEnglish

Summary

Introduction

Safety Cautions

Crucial warnings and precautions for safe operation and maintenance.

Part 2 Specifications

Specifications

Provides detailed technical specifications for indoor and outdoor units, including performance data.

Part 3 Printed Circuit Board Connector Wiring Diagram

Part 4 Functions and Control

Control Specification

Outlines the control logic, thermistor functions, and operational parameters for system performance.

Part 5 Remote Controller

Part 6 Service Diagnosis

General Problem Symptoms and Check Items

Lists common issues and initial checks for diagnosing system problems effectively.

Troubleshooting with LED

Guides on interpreting LED indicators on indoor and outdoor units for fault diagnosis.

Service Diagnosis

Details diagnostic methods for specific remote controllers and error codes for troubleshooting.

Code Indication on Remote Controller

Explains error codes displayed on remote controllers for various unit types and their meanings.

Troubleshooting for Wall Mounted/Floor Standing Type

Provides step-by-step troubleshooting for common issues specific to wall-mounted/floor-standing indoor units.

Troubleshooting for Duct Concealed/Ceiling Cassette Type

Offers detailed troubleshooting steps for duct-concealed and ceiling cassette indoor unit problems.

Troubleshooting for Outdoor Unit

Covers common problems and diagnostic procedures for outdoor units, including error codes and checks.

Part 7 Trial Operation and Field Settings

Forced Cooling Operation

Details the steps for initiating forced cooling operation for testing and diagnostics.

Wiring Error Check Function

Describes the process of checking and correcting wiring errors in the system.

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