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Daikin R25DV1 - User Manual

Daikin R25DV1
268 pages
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Si01 - 501
SPLIT Pair
D-Series
[Applied Models]
zNon-Inverter Pair : Cooling Only

Table of Contents

Questions and Answers

Summary

Part 2 Specifications

1. Specifications

Technical details and ratings for various indoor and outdoor unit models.

Part 3 Printed Circuit Board Connector Wiring Diagram

1. Printed Circuit Board Connector Wiring Diagram

Details of PCB connectors and their functions for indoor and outdoor units.

Part 4 Details of Functions

2.1 Safety Precautions

Part 6 Service Diagnosis

1. Caution for Diagnosis

Important precautions to follow before performing any diagnostic procedures.

2. Troubleshooting by Symptoms

Guide to diagnosing and resolving issues based on observed symptoms.

3. Service Check Function

Procedures for using the remote controller to access diagnostic codes.

4. Troubleshooting

Comprehensive guide to diagnosing and resolving various operational faults.

4.1 Error Codes and Description

4.2 Indoor Unit PCB Abnormality

4.3 Freeze-up Protection Control

4.4 Fan Motor or Related Abnormality

4.5 Thermistor or Related Abnormality (Indoor Unit)

4.6 Signal Transmission Error (between Indoor and Outdoor Units)

4.7 OL Activation (Compressor Overload)

4.8 Compressor Lock

4.9 DC Fan Lock

4.10 Input Over Current Detection

4.11 Discharge Pipe Temperature Control

4.12 High Pressure Control in Cooling

4.13 Position Sensor Abnormality

4.14 CT or Related Abnormality

4.15 Thermistor or Related Abnormality (Outdoor Unit)

4.16 Electrical Box Temperature Rise

4.17 Radiation Fin Temperature Rise

4.18 Output Over Current Detection

4.19 Insufficient Gas

4.20 Low-voltage Detection

Part 7 Removal Procedure

1.5 Removal of Electrical Box

1.6 Removal of PCB

1.7 Removal of Drain Pan Unit

1.8 Removal of Fan Motor

1.9 Removal of Heat Exchanger

1.10 Removal of Fan Rotor

2.4 Removal of Electrical Box; PCB; Swing Motor

2.5 Removal of Heat Exchanger

2.6 Removal of Fan Rotor; Fan Motor

3.3 Removal of Electrical Device Mounting Plate

3.4 Removal of Propeller Fan and Fan Motor

3.5 Removal of Sound Blanket

3.7 Removal of Compressor

4.2 Removal of Electrical Box

4.3 Removal of Compressor

5.2 Removal of the Fan Motor; Propeller Fan

5.3 Removal of the PCB; Electrical Box

5.4 Removal of the Reactor

5.5 Removal of the Sound Blanket

5.6 Removal of the Electronic Expansion Valve

5.7 Removal of the Compressor

1.1 Test Run from the Remote Controller

Summary

Part 2 Specifications

1. Specifications

Technical details and ratings for various indoor and outdoor unit models.

Part 3 Printed Circuit Board Connector Wiring Diagram

1. Printed Circuit Board Connector Wiring Diagram

Details of PCB connectors and their functions for indoor and outdoor units.

Part 4 Details of Functions

2.1 Safety Precautions

Part 6 Service Diagnosis

1. Caution for Diagnosis

Important precautions to follow before performing any diagnostic procedures.

2. Troubleshooting by Symptoms

Guide to diagnosing and resolving issues based on observed symptoms.

3. Service Check Function

Procedures for using the remote controller to access diagnostic codes.

4. Troubleshooting

Comprehensive guide to diagnosing and resolving various operational faults.

4.1 Error Codes and Description

4.2 Indoor Unit PCB Abnormality

4.3 Freeze-up Protection Control

4.4 Fan Motor or Related Abnormality

4.5 Thermistor or Related Abnormality (Indoor Unit)

4.6 Signal Transmission Error (between Indoor and Outdoor Units)

4.7 OL Activation (Compressor Overload)

4.8 Compressor Lock

4.9 DC Fan Lock

4.10 Input Over Current Detection

4.11 Discharge Pipe Temperature Control

4.12 High Pressure Control in Cooling

4.13 Position Sensor Abnormality

4.14 CT or Related Abnormality

4.15 Thermistor or Related Abnormality (Outdoor Unit)

4.16 Electrical Box Temperature Rise

4.17 Radiation Fin Temperature Rise

4.18 Output Over Current Detection

4.19 Insufficient Gas

4.20 Low-voltage Detection

Part 7 Removal Procedure

1.5 Removal of Electrical Box

1.6 Removal of PCB

1.7 Removal of Drain Pan Unit

1.8 Removal of Fan Motor

1.9 Removal of Heat Exchanger

1.10 Removal of Fan Rotor

2.4 Removal of Electrical Box; PCB; Swing Motor

2.5 Removal of Heat Exchanger

2.6 Removal of Fan Rotor; Fan Motor

3.3 Removal of Electrical Device Mounting Plate

3.4 Removal of Propeller Fan and Fan Motor

3.5 Removal of Sound Blanket

3.7 Removal of Compressor

4.2 Removal of Electrical Box

4.3 Removal of Compressor

5.2 Removal of the Fan Motor; Propeller Fan

5.3 Removal of the PCB; Electrical Box

5.4 Removal of the Reactor

5.5 Removal of the Sound Blanket

5.6 Removal of the Electronic Expansion Valve

5.7 Removal of the Compressor

1.1 Test Run from the Remote Controller

Daikin R25DV1 Specifications

General IconGeneral
BrandDaikin
ModelR25DV1
CategoryAir Conditioner
LanguageEnglish

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