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Daikin RKS25G2V1B9 User Manual

Daikin RKS25G2V1B9
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 RKS25G2V1B9 Specifications

General IconGeneral
Cooling Capacity2.5 kW
Heating Capacity3.2 kW
Power Supply220-240V, 50Hz
RefrigerantR32
TypeSplit AC
Noise Level (Indoor Unit)19 dB(A)

Summary

Part 1 List of Functions

1. Functions

Lists all functions for cooling-only and heat pump models.

1.1 Cooling Only

Details the functions available for cooling-only air conditioner models.

1.2 Heat Pump

Details the functions available for heat pump air conditioner models.

Part 2 Specifications

1. Specifications

Provides detailed technical specifications for the air conditioning units.

1.1 Cooling Only

Detailed technical specifications specifically for cooling-only units.

1.2 Heat Pump

Detailed technical specifications specifically for heat pump units.

Part 3 Printed Circuit Board Connector Wiring Diagram

1. Printed Circuit Board Connector Wiring Diagram

Illustrates the wiring diagrams for PCBs and connectors in the system.

1.1 Indoor Unit

Wiring details for indoor unit printed circuit boards and their connectors.

1.2 Outdoor Unit

Wiring details for outdoor unit printed circuit boards and their connectors.

Part 4 Function and Control

1. Main Functions

Explains core operational functions like Frequency Principle and Airflow Control.

1.1 Frequency Principle

Explains the inverter principle and frequency control of the compressor.

1.2 Airflow Direction Control

Details how to adjust airflow direction using flaps and louvers.

1.5 Automatic Operation

Describes how the unit automatically selects cooling or heating mode.

1.8 ECONO Operation

Explains the energy-saving operation to reduce power consumption.

1.9 2-Area INTELLIGENT EYE Operation

Describes the sensor-based airflow control for human presence.

3. Control Specification

Details system control specifications like Mode Hierarchy and Frequency Control.

3.2 Frequency Control

Details how frequency is determined based on temperature differences.

3.5 Input Current Control

Explains how input current limits compressor frequency.

3.12 Malfunctions

Lists and describes common malfunctions and their detection methods.

3.13 Forced Operation Mode

Explains the forced cooling operation mode.

Part 5 Operation Manual

1. System Configuration

Provides guidance on system setup and user handling post-installation.

2. FTXS20/25/35/42/50G2V1B

Operation details for FTXS series models, including remote control and modes.

2.1 Remote Control

Identifies and describes the buttons and functions of the remote control.

2.2 AUTO · DRY · COOL · HEAT · FAN Operation

Explains how to start, stop, and change operation modes.

2.4 COMFORT AIRFLOW and INTELLIGENT EYE Operation

Explains sensor-based airflow control for comfort and energy saving.

2.5 POWERFUL Operation

Describes how to maximize cooling/heating effect for maximum capacity.

2.7 ECONO Operation

Details the energy-saving operation by limiting power consumption.

2.9 WEEKLY TIMER Operation

Describes how to set up to 4 timer settings per day for weekly scheduling.

3. ATXS20/25/35/42/50G2V1B

Operation details for ATXS series models, including remote control and modes.

3.1 Remote Control

Identifies and describes the buttons and functions of the remote control.

3.2 AUTO · DRY · COOL · HEAT · FAN Operation

Explains how to start, stop, and change operation modes.

3.4 COMFORT AIRFLOW Operation

Explains airflow direction adjustments for comfortable airflow.

3.5 INTELLIGENT EYE Operation

Describes the motion sensor function for energy saving.

3.9 TIMER Operation

Explains how to use OFF TIMER and ON TIMER functions.

Part 6 Service Diagnosis

1. Caution for Diagnosis

Important warnings and procedures before starting diagnostic checks.

1.1 Troubleshooting with LED

Guides on troubleshooting using indoor and outdoor unit LED indicators.

2. Problem Symptoms and Measures

Common operational issues and recommended troubleshooting steps.

4. Troubleshooting

Provides detailed troubleshooting steps for various system errors.

4.1 Error Codes and Description

Comprehensive list and explanation of all error codes displayed on the remote.

4.2 Indoor Unit PCB Abnormality

Troubleshooting steps for abnormal indoor unit PCB function.

4.3 Freeze-up Protection Control or Heating Peak-cut Control

Diagnostic procedures for protection control errors like freeze-up.

4.4 Fan Motor (DC Motor) or Related Abnormality

Outlines troubleshooting steps for fan motor issues.

4.5 Thermistor or Related Abnormality (Indoor Unit)

Guides on troubleshooting thermistor issues in the indoor unit.

4.6 Signal Transmission Error (between Indoor Unit and Outdoor Unit)

Troubleshooting for communication errors between indoor and outdoor units.

4.8 Outdoor Unit PCB Abnormality

Troubleshooting steps for abnormal outdoor unit PCB function.

4.9 OL Activation (Compressor Overload)

Diagnostic procedures for compressor overload conditions.

4.10 Compressor Lock

Troubleshooting steps for compressor lock errors.

4.24 Refrigerant Shortage

Methods and procedures for detecting and addressing refrigerant shortage.

Part 7 Removal Procedure

1. Indoor Unit

Step-by-step instructions for disassembling the indoor air conditioning unit.

1.1 Removal of Air Filter

Step-by-step guide to remove the air filter from the indoor unit.

1.2 Removal of Front Panel

Instructions for safely removing the front panel of the indoor unit.

1.5 Removal of Electrical Box

Guide for removing the electrical box from the indoor unit.

1.6 Removal of PCB

Instructions for removing printed circuit boards from the indoor unit.

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

Procedures for removing components from specific outdoor unit models.

2.1 Removal of Outer Panels / Fan Motor

Instructions for removing outer panels and the fan motor.

2.2 Removal of Electrical Box

Guide for removing the electrical box from the outdoor unit.

2.4 Removal of PCB

Instructions for removing printed circuit boards from the outdoor unit.

2.8 Removal of Compressor

Procedure for safely removing the compressor.

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

Component removal steps for specific outdoor unit models.

4.1 Removal of Outer Panels

Instructions for removing outer panels.

4.5 Removal of Outdoor Fan / Fan Motor

Steps to remove the outdoor fan and fan motor.

4.8 Removal of Compressor

Procedure for safely removing the compressor.

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

Component removal steps for specific outdoor unit models.

5.2 Removal of Outdoor Fan / Fan Motor

Steps to remove the outdoor fan and fan motor.

5.8 Removal of Compressor

Procedure for safely removing the compressor.

Part 8 Trial Operation and Field Settings

1. Trial Operation

Procedures for conducting trial operation to verify system functionality and user satisfaction.

2. Field Settings

Details on configuring unit settings like model type and standby power saving.

2.1 Model Type Setting

Instructions for setting the unit's model type using DIP switches.

2.3 Standby Electricity Saving

Procedure to enable the standby electricity saving function for energy conservation.

2.4 Facility Setting Jumper and Switch (cooling at low outdoor temperature)

Explains jumper/switch settings to expand operation range at low outdoor temperatures.

Part 9 Appendix

1. Piping Diagrams

Schematic diagrams illustrating refrigerant piping configurations for indoor and outdoor units.

1.1 Indoor Unit

Refrigerant piping diagrams for indoor units.

1.2 Outdoor Unit

Refrigerant piping diagrams for outdoor units.

2. Wiring Diagrams

Electrical wiring diagrams for indoor and outdoor unit components and PCBs.

2.1 Indoor Unit

Electrical wiring diagram for the indoor unit.

2.2 Outdoor Unit

Electrical wiring diagram for the outdoor unit.

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