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Daikin FVXS12WVJU9 User Manual

Daikin FVXS12WVJU9
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 FVXS12WVJU9 Specifications

General IconGeneral
ModelFVXS12WVJU9
CategoryAir Conditioner
Cooling Capacity3.5 kW
Heating Capacity4.0 kW
Energy Efficiency Ratio (EER)3.21
Seasonal Energy Efficiency Ratio (SEER)6.1
RefrigerantR32
Power Supply220-240V, 50Hz
Outdoor Unit Noise Level48 dBA

Summary

Multi-Split Type Air Conditioners

Service Manual

Manual detailing service procedures for Daikin Multi-Split Type Air Conditioners.

Introduction

Safety Cautions

Guidelines for safe operation and maintenance procedures, including warnings and cautions.

Part 1 General Information

Applicable Models

List of Daikin air conditioner models covered by this manual.

Part 2 Specifications

Indoor Unit Specifications

Detailed technical specifications for various types of indoor units.

Part 3 Printed Circuit Board Connector Wiring Diagram

Indoor Unit Wiring Diagrams

Wiring diagrams for different types of indoor units, including PCB details.

Part 4 Functions and Control

Common Functions

General functions applicable to all units, such as temperature control and frequency principles.

Part 5 Remote Controller

Applicable Remote Controllers

Lists remote controllers compatible with the air conditioning system and their reference pages.

Part 6 Service Diagnosis

General Problem Symptoms and Check Items

Common symptoms and initial troubleshooting steps for air conditioner issues.

Part 7 Trial Operation and Field Settings

Pump Down Operation

Procedure for safe refrigerant recovery before unit relocation or disposal.

Part 8 Appendix

Piping Diagrams

Schematic diagrams illustrating refrigerant piping for indoor and outdoor units.

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