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Daikin ARX25J3V1B User Manual

Daikin ARX25J3V1B
116 pages
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Service
Manual
Inverter Pair
Wall Mounted Type J-Series
SiBE041010EA
[Applied Models]
z Inverter Pair : Heat Pump

Table of Contents

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Daikin ARX25J3V1B Specifications

General IconGeneral
Cooling Capacity2.5 kW
Heating Capacity3.2 kW
Energy Efficiency Ratio (EER)3.21
Power Supply220-240V, 50Hz
Weight (Indoor Unit)9 kg
Power Input (Heating)0.80 kW
Energy Efficiency Ratio (Cooling)3.21
Operating Temperature Range (Heating)-15 to 24 °C
Outdoor Unit Noise Level46 dB(A)
Indoor Unit Weight9 kg
Coefficient of Performance (COP)4.0
RefrigerantR32
Heating Coefficient of Performance (COP)4.0
Coefficient of Performance (Heating)4.0

Summary

Introduction

Safety Cautions

Safety Precautions for Operation and Maintenance.

Used Icons

Explanation of Document Icons.

List of Functions

Functions Overview

Details of unit functions and features across models.

Specifications

Technical Specifications

Detailed technical data for indoor and outdoor units.

Function and Control

Main Operational Functions

Core functions like temperature and airflow control.

Thermistor Functionality

Role and function of various thermistors in system operation.

Control Specifications and Logic

System control logic, modes, and parameters.

Remote Controller

Remote Controller Operation

Description of remote control buttons and display.

Service Diagnosis

Troubleshooting with LED Indicators

Diagnosing issues using unit LED status.

Problem Symptoms and Solutions

Common problems and their troubleshooting steps.

Service Check Functionality

Using the remote for diagnostic error code retrieval.

General Troubleshooting Guide

Error code descriptions and troubleshooting flows.

Component Checks

Procedures for checking key components like thermistors and motors.

Tips for Servicing

Servicing Best Practices

Essential procedures like pump down and forced cooling.

Trial Operation Guide

Steps for initial system testing and verification.

Field Configuration Settings

Adjusting settings for specific installation scenarios.

Power Transistor/Diode Bridge Greasing

Proper application of thermal grease for heat dissipation.

Appendix

Piping Diagrams

Schematic diagrams of refrigerant piping.

Wiring Diagrams

Electrical connection diagrams for indoor and outdoor units.

Component Removal Procedures

Manuals for disassembly and removal of unit parts.

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