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Daikin RXS25J2V1B User Manual

Daikin RXS25J2V1B
268 pages
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Service
Manual
Inverter Pair
Wall Mounted Type J-Series
SiBE041101
[Applied Models]
z Inverter Pair : Cooling Only
z Inverter Pair : Heat Pump

Table of Contents

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Daikin RXS25J2V1B Specifications

General IconGeneral
ModelRXS25J2V1B
CategoryAir Conditioner
TypeSplit System
Cooling Capacity2.5 kW
Heating Capacity3.2 kW
Energy Efficiency Ratio (EER)3.21
RefrigerantR-32
Power Supply220-240 V, 50 Hz
Sound Power Level (Cooling)59 dB(A)
Sound Power Level (Heating)59 dB(A)
Sound Pressure Level (Cooling)38 dB

Summary

Part 2 Specifications

Part 3 Printed Circuit Board Connector Wiring Diagram

Part 4 Function and Control

Malfunction Detection and Causes

Details detected malfunctions and their potential causes across system components.

Part 6 Service Diagnosis

Troubleshooting Methods

Covers LED indicators, problem symptoms, and service check functions.

LED Indicator Troubleshooting

Interprets LED indicators on indoor and outdoor units for fault diagnosis.

Problem Symptoms and Measures

Lists common operational problems and suggested troubleshooting steps.

Service Check Functions

Details specific service check functions, including the ARC452 Series.

Detailed Troubleshooting by Error Code

Provides comprehensive troubleshooting for various error codes and system failures.

Indoor Unit Error Codes

Addresses issues like PCB abnormalities and fan motor failures in the indoor unit.

Outdoor Unit Error Codes

Covers outdoor unit PCB issues, compressor overload, and fan lock errors.

Communication and Power Related Errors

Diagnoses signal transmission errors and voltage issues between units.

Compressor and Sensor Faults

Details troubleshooting for compressor overload, lock, and sensor abnormalities.

Electrical and Refrigerant Faults

Addresses input overcurrent, refrigerant shortage, and voltage detection issues.

Component Diagnostic Checks

Outlines specific checks for individual components like fan motors, valves, and thermistors.

Fan Motor and EV Checks

Procedures for checking fan motor output and electronic expansion valve continuity.

Valve and Thermistor Resistance Checks

Guides for testing four-way valve performance and thermistor resistance.

Part 7 Removal Procedure

Indoor Unit Component Removal

Step-by-step instructions for removing indoor unit parts like filters, panels, and PCBs.

Outdoor Unit RK(X)S20/25/35J2V1B Removal

Instructions for removing outer panels, fan motor, and related parts.

Removing Outdoor Unit Panels and Fan Motor

Instructions for removing outer panels, fan motor, and related parts.

Outdoor Unit RK(X)S42J2V1B Removal

Instructions for removing outer panels, discharge grille, and front panel.

Outdoor Unit RK(X)S50J2V1B Removal

Instructions for removing outer panels, discharge grille, and front panel.

Part 8 Trial Operation and Field Settings

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