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Daikin RXS25G2V1B User Manual

Daikin RXS25G2V1B
316 pages
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SiENBE04-808_A
Service
Manual
Inverter Pair
Wall Mounted Type G-Series
[Applied Models]
z
Inverter Pair: Cooling only
z
Inverter Pair: Heat Pump
SiENBE04-808_A.pdf 1 21/02/2011 13:19:48

Table of Contents

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Daikin RXS25G2V1B Specifications

General IconGeneral
BrandDaikin
ModelRXS25G2V1B
CategoryAir Conditioner
LanguageEnglish

Summary

Part 1 List of Functions

1. Functions

Lists all available functions for the air conditioner, categorized by basic, comfort, operation, and lifestyle.

1.1 Cooling Only

Details specific functions available in cooling mode, including operational limits and comfort features.

1.2 Heat Pump

Details specific functions available in heat pump mode, covering operational limits and comfort features.

Part 2 Specifications

1. Specifications

Provides detailed technical specifications for various models, including capacity, power, and physical dimensions.

1.1 Cooling Only

Technical specifications specifically for cooling-only air conditioning units.

1.2 Heat Pump

Technical specifications for heat pump air conditioning units.

Part 4 Function and Control

1. Main Functions

Explains core operational functions like frequency principle, airflow control, and fan speed.

1.1 Frequency Principle

Describes the inverter's frequency control mechanism for capacity regulation based on load.

1.2 Airflow Direction Control

Details how to adjust airflow direction using flaps and louvers for user comfort.

1.5 Automatic Operation

Explains how the unit automatically selects cooling or heating modes based on room temperature.

3.12 Malfunctions

Lists various malfunctions, their detection methods, and potential causes for troubleshooting.

Part 6 Service Diagnosis

1. Caution for Diagnosis

Provides critical safety warnings and precautions before commencing any diagnostic procedures.

2. Problem Symptoms and Measures

A guide to common operational problems and recommended measures for resolution.

4. Troubleshooting

Detailed troubleshooting steps for various error codes and system malfunctions.

4.1 Error Codes and Description

A comprehensive list of error codes displayed by the unit and their corresponding descriptions.

4.2 Indoor Unit PCB Abnormality

Troubleshooting steps specifically for abnormalities detected in the indoor unit's PCB.

4.10 Compressor Lock

Troubleshooting steps for diagnosing and resolving compressor lock faults.

4.24 Refrigerant Shortage

Guidance on diagnosing and addressing issues related to refrigerant shortage.

Part 7 Removal Procedure

1. Indoor Unit

Step-by-step instructions for disassembling various components of the indoor unit.

1.1 Removal of Air Filter

Procedure for removing the air filter for cleaning or replacement.

1.5 Removal of Electrical Box

Instructions on how to safely remove the electrical box assembly from the indoor unit.

1.6 Removal of PCB

Steps for safely removing printed circuit boards from the indoor unit.

2. Outdoor Unit - RK(X)S20-35G2V1B, ARXS20-35G2V1B

Disassembly procedures for outdoor units of specific model series.

2.1 Removal of Outer Panels / Fan Motor

Instructions for removing outer panels and the fan motor from the outdoor unit.

2.4 Removal of PCB

Steps for removing printed circuit boards from the outdoor unit.

2.8 Removal of Compressor

Detailed steps for safely removing the compressor unit.

4. Outdoor Unit - RK(X)S42G2V1B, ARXS42G2V1B

Disassembly procedures for outdoor units of specific model series.

4.1 Removal of Outer Panels

Instructions for removing the outer panels of the outdoor unit.

4.3 Removal of PCB

Steps for removing printed circuit boards from the outdoor unit.

4.5 Removal of Outdoor Fan / Fan Motor

Instructions for removing the outdoor fan and fan motor.

4.7 Removal of Four Way Valve / Electronic Expansion Valve

Procedure for removing the four-way valve and electronic expansion valve.

4.8 Removal of Compressor

Steps for safely removing the compressor unit.

5. Outdoor Unit - RK(X)S50G2V1B, ARXS50G2V1B

Disassembly procedures for outdoor units of specific model series.

5.1 Removal of Outer Panels

Instructions for removing the outer panels of the outdoor unit.

5.2 Removal of Outdoor Fan / Fan Motor

Instructions for removing the outdoor fan and fan motor.

5.3 Removal of Electrical Box

Instructions on how to remove the electrical box assembly from the outdoor unit.

5.4 Removal of PCB

Steps for removing printed circuit boards from the outdoor unit.

5.5 Removal of Sound Blanket / Thermistors

Procedure for removing sound blankets and thermistor sensors.

5.6 Removal of Four Way Valve

Procedure for removing the four-way valve.

5.7 Removal of Electronic Expansion Valve

Procedure for removing the electronic expansion valve.

5.8 Removal of Compressor

Steps for safely removing the compressor unit.

Part 8 Trial Operation and Field Settings

1. Trial Operation

Procedures for initial system testing after installation to ensure proper function.

2. Field Settings

Covers essential configuration settings required after installation.

2.1 Model Type Setting

Instructions for setting the correct model type via DIP switch for operation.

2.5 Jumper and Switch Settings

Details specific configurations using jumpers and switches for various functions.

3. Application of Silicon Grease to a Power Transistor and a Diode Bridge

Guidance on applying thermal grease to ensure proper heat dissipation for transistors and diode bridges.

Part 9 Appendix

1. Piping Diagrams

Visual representations of the refrigerant piping routes for indoor and outdoor units.

2. Wiring Diagrams

Diagrams illustrating the electrical connections and layouts for indoor and outdoor units.

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