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Daikin RXS20G2V1B9 User Manual

Daikin RXS20G2V1B9
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 RXS20G2V1B9 Specifications

General IconGeneral
ModelRXS20G2V1B9
CategoryHeat Pump
TypeSplit System
Cooling Capacity2.0 kW
Heating Capacity2.5 kW
RefrigerantR-32
Indoor Unit Dimensions (H x W x D)290 x 770 x 230 mm
Outdoor Unit Dimensions (H x W x D)550 x 800 x 285 mm
Energy Label CoolingA++
Energy Label HeatingA+
Power Supply220-240V / 50Hz / 1Phase
Noise Level (Indoor Unit)19 dB(A)

Summary

Part 1 List of Functions

1.1 Cooling Only Functions

Details functions available for cooling-only models, covering basic, compressor, and airflow controls.

1.2 Heat Pump Functions

Details functions available for heat pump models, covering basic, compressor, and airflow controls.

Part 2 Specifications

1.1 Cooling Only Specifications

Provides detailed technical specifications for cooling-only models, including capacity, airflow, and power consumption.

1.2 Heat Pump Specifications

Offers detailed technical specifications for heat pump models, covering capacity, airflow, and power consumption.

Part 3 Printed Circuit Board Connector Wiring Diagram

1.1 Indoor Unit Wiring Diagram

Illustrates connector identification and functions for the indoor unit's control and receiver PCBs.

1.2 Outdoor Unit Wiring Diagram

Details connector identification and functions for the outdoor unit's filter and main PCBs.

Part 4 Function and Control

1. Main Functions Overview

Explains key operational functions like frequency control, airflow, and automatic modes.

3. Control Specifications

Details control specifications including mode hierarchy, frequency control, and protection functions.

3.12 Malfunctions

Details sensor malfunction detection, overcurrent/overload detection, and refrigerant shortage control methods.

Part 5 Operation Manual

2. FTXS Series Operation

Covers remote control, various operation modes (AUTO, DRY, COOL, HEAT, FAN), and airflow adjustments.

3. ATXS Series Operation

Covers remote control, various operation modes, and airflow adjustments for ATXS series.

2.4 COMFORT AIRFLOW and INTELLIGENT EYE Operation

Details INTELLIGENT EYE sensor use for comfort and energy saving, adjusting airflow based on occupancy.

Part 6 Service Diagnosis

2. Problem Symptoms and Measures

Offers a troubleshooting guide for common symptoms like non-operation, intermittent stops, and poor cooling/heating.

4. Troubleshooting

Comprehensive guide to diagnosing and resolving various system errors and abnormalities.

4.1 Error Codes and Description

Lists all error codes and their corresponding descriptions for system diagnosis.

Part 7 Removal Procedure

1. Indoor Unit Component Removal

Step-by-step instructions for removing components like air filter, front panel, heat exchanger, and PCB.

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

Guides on removing outer panels, electrical box, thermistors, PCB, and compressor for specific models.

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

Guides on removing outer panels, fan motor, electrical box, PCB, sound blanket, and compressor.

Part 8 Trial Operation and Field Settings

1. Trial Operation Procedures

Guides on performing trial operation to ensure all functions and parts are working correctly.

2. Field Settings and Adjustments

Covers model type setting, multi-unit installation, standby saving, and facility settings.

3. Silicon Grease Application

Explains the importance and procedure for applying silicon grease for heat radiation on PCBs.

Part 9 Appendix

1. Piping Diagrams

Shows refrigerant flow and pipe sizes for indoor and outdoor units in cooling and heat pump modes.

2. Wiring Diagrams

Presents wiring diagrams for indoor and outdoor units, detailing PCB connections and component layouts.

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