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Daikin RXS20K2V1B User Manual

Daikin RXS20K2V1B
184 pages
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Service
Manual
Inverter Pair
Wall Mounted Type K-Series
SiBE041134
[Applied Models]
z Inverter Pair : Heat Pump

Table of Contents

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Daikin RXS20K2V1B Specifications

General IconGeneral
Cooling Capacity2.0 kW
Heating Capacity2.5 kW
Energy Efficiency Ratio (EER)3.21
Power Supply230V/1Ph/50Hz
RefrigerantR32
Indoor Unit Dimensions (W x H x D)800 x 290 x 215 mm
Outdoor Unit Dimensions (W x H x D)800 x 550 x 285 mm
EER3.21
Energy Efficiency Ratio (Cooling)3.21
Power Consumption Cooling0.62 kW
Indoor Unit Noise Level19 dB

Summary

Introduction

Safety Cautions

Covers warnings and cautions for safe repair and operation, including pictograms.

Used Icons

Explains the meaning of various icons used throughout the manual for clarity.

List of Functions

Functions

Lists and describes all operational functions of the air conditioner system.

Specifications

Specifications

Provides detailed technical data and specifications for the indoor and outdoor units.

Printed Circuit Board Connector Wiring Diagram

Indoor Unit PCBs

Illustrates PCB component layout and connector assignments for the indoor unit.

Outdoor Unit PCBs

Illustrates PCB component layout and connector assignments for the outdoor unit.

Function and Control

Main Functions

Explains primary operational functions like temperature, airflow, and mode controls.

Temperature Control

Explains how the system controls room temperature based on sensor readings.

Frequency Principle

Details the inverter's variable frequency operation for compressor speed control.

Airflow Direction Control

Describes how airflow direction is managed for user comfort and distribution.

Fan Speed Control for Indoor Unit

Outlines the automatic and manual fan speed settings for the indoor unit.

Program Dry Operation

Explains the dry mode function for humidity removal while maintaining temperature.

Automatic Operation

Describes the system's ability to automatically switch between cooling and heating modes.

Thermostat Control

Details the thermostat's operation based on temperature differences and zones.

NIGHT SET Mode

Explains the mode that adjusts temperature for comfortable sleep and energy saving.

ECONO Operation

Describes the energy-saving mode that limits maximum power consumption.

INTELLIGENT EYE Operation

Explains the sensor-based function that saves energy when the room is unoccupied.

Inverter POWERFUL Operation

Details the mode that maximizes cooling/heating capacity by increasing fan and compressor speed.

Other Functions

Covers additional functions like Hot-Start and Timer operations.

Function of Thermistor

Explains the role of thermistors in monitoring temperatures for system control.

Control Specification

Outlines the system's operational modes and control logic for various conditions.

Operation Manual

Remote Controller

Identifies parts of the remote controller and basic operation.

Operation Modes

Guides on using AUTO, DRY, COOL, HEAT, and FAN modes for optimal comfort.

Service Diagnosis

Troubleshooting with LED

Uses LED indicators to identify and diagnose system errors and malfunctions.

Problem Symptoms and Measures

Lists common issues and provides corresponding troubleshooting steps.

Service Check Function

Explains how to access the service check mode via the remote controller for diagnosis.

Troubleshooting

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

Check Procedures

Detailed steps for checking specific components like thermistors, motors, and PCBs.

Removal Procedure

Indoor Unit Removal

Step-by-step instructions for safely disassembling and removing indoor unit parts.

Outdoor Unit Removal

Step-by-step instructions for safely disassembling and removing outdoor unit parts.

Trial Operation and Field Settings

Trial Operation

Procedures for verifying system performance and settings after installation.

Field Settings

Details on configuring system settings like model type and jumpers for specific environments.

Appendix

Piping Diagrams

Visual representation of the refrigerant pipe connections for both units.

Wiring Diagrams

Electrical schematics illustrating the internal wiring of the units.

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