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Daikin ATXS25DAVMB User Manual

Daikin ATXS25DAVMB
246 pages
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Ser vice
Manual
Inverter Pair
Wall Mounted Type C-Series
D-Series
[Applied Models]
zInverter Pair : Cooling Only
zInverter Pair : Heat Pump
SiENBE04-401A

Table of Contents

Questions and Answers:

Daikin ATXS25DAVMB Specifications

General IconGeneral
BrandDaikin
ModelATXS25DAVMB
CategoryAir Conditioner
LanguageEnglish

Summary

Part 1 List of Functions

High Grade Models

Lists functions specific to high-grade Daikin inverter models.

Standard Grade Models

Lists functions for Daikin standard grade air conditioning models.

Non-Inverter Models

Lists functions available for Daikin non-inverter air conditioning models.

Part 2 Specifications

Cooling Only Specifications

Detailed technical specifications for Daikin cooling-only air conditioners.

Heat Pump Specifications

Detailed technical specifications for Daikin heat pump air conditioners.

Part 3 Printed Circuit Board Connector Wiring Diagram

Indoor Unit Wiring Diagram

Wiring diagram for indoor unit PCB connectors and components.

Outdoor Unit RK(X)S-C, ARK(X)S-C Wiring Diagram

Wiring diagram for outdoor unit PCB connectors (S-series).

Outdoor Unit RK(X)H-C, ARK(X)H-C, R(Y)N-C Wiring Diagram

Wiring diagram for outdoor unit PCB connectors (H/N-series).

Part 4 Function and Control

Frequency Principle Explanation

Explains how inverter frequency control works for compressor operation.

Airflow Control Features

Describes airflow control features like flaps and louvres.

Indoor Fan Speed Control

Details the automatic and manual fan speed control methods.

Programme Dry Function

Explains the dry mode for humidity control while minimizing temperature changes.

Automatic Operation Mode

Describes the auto mode which switches between cooling and heating.

NIGHT SET Mode

Explains the night mode for optimized sleeping comfort and energy saving.

INTELLIGENT EYE Function

Details the human presence sensor for automatic energy saving.

HOME LEAVE Operation Function

Function to record and recall preferred temperature and airflow settings.

Inverter POWERFUL Operation

Mode to maximize cooling/heating capacity for a short period.

Function of Thermistor

Explains the role of thermistors in controlling system operations.

Mode Hierarchy

Outlines the priority and sequence of operating modes.

Frequency Control Details

Details the system's method for controlling compressor frequency.

Part 5 System Configuration

Safety Precautions

Essential safety guidelines for handling and installing the air conditioner.

Names of Parts

Identifies and labels the main components of the indoor and outdoor units.

Preparation Before Operation

Outlines necessary preparations and checks before initial operation.

Operating Modes Explanation

Explains how to select and operate the unit in different modes.

Adjusting Air Flow Direction

Instructions for adjusting horizontal and vertical airflow direction.

Powerful Operation Guide

How to activate and deactivate the powerful operation mode for enhanced performance.

Outdoor Unit Silent Operation

Details the silent operation mode to reduce outdoor unit noise.

Home Leave Operation Guide

Function to set and recall preferred temperature/airflow for convenience.

Intelligent Eye Operation Guide

Explains the human detection sensor for energy-saving adjustments.

Timer Operation Guide

Instructions for setting and cancelling ON/OFF timers.

Care and Cleaning Instructions

Provides guidelines for maintaining and cleaning the air conditioner.

Troubleshooting Common Issues

Lists common operational issues and their solutions.

Part 6 Service Diagnosis

Caution for Diagnosis

Crucial safety warnings and precautions for diagnosing the unit.

Problem Symptoms and Measures

Common problems, symptoms, and recommended troubleshooting steps.

Service Check Function

Explains how to access and use the diagnostic functions via the remote control.

Error Codes and Description

Comprehensive list of error codes and their corresponding troubleshooting references.

Indoor Unit PCB Abnormality Troubleshooting

Troubleshooting steps for indoor unit PCB issues.

Freeze-up Protection or High Pressure Control

Explains system protection mechanisms and their causes.

Fan Motor or Related Abnormality

Troubleshooting guide for fan motor malfunctions.

Indoor Unit Thermistor Abnormality

Troubleshooting steps for indoor unit thermistor issues.

Signal Transmission Error Troubleshooting

Diagnosing and resolving communication errors between indoor and outdoor units.

Compressor Overload (OL Activation)

Addresses issues related to compressor overload protection activation.

Compressor Lock Troubleshooting

Troubleshooting steps for compressor lock faults.

DC Fan Lock Troubleshooting

Troubleshooting guide for DC fan lock errors.

Input Over Current Detection

Addresses issues related to input over current detection.

Four Way Valve Abnormality

Troubleshooting steps for four-way valve malfunctions.

Discharge Pipe Temperature Control

Explains controls related to discharge pipe temperature monitoring.

High Pressure Control in Cooling

Addresses troubleshooting for high pressure conditions during cooling.

Position Sensor Abnormality

Troubleshooting steps for position sensor errors.

DC Voltage / Current Sensor Abnormality

Addresses abnormalities in DC voltage and current sensors.

Outdoor Unit Thermistor Abnormality

Troubleshooting steps for outdoor unit thermistor issues.

Electrical Box Temperature Rise

Addresses issues causing temperature rise in the electrical box.

Radiation Fin Temperature Rise

Troubleshoots problems leading to radiation fin temperature rise.

Output Over Current Detection

Addresses issues related to output over current detection.

Insufficient Gas Diagnosis

Details methods for detecting and diagnosing insufficient refrigerant gas.

Over-voltage Detection

Addresses issues related to over-voltage detection.

Part 7 Removal Procedure

Indoor Unit Air Filter Removal

Step-by-step instructions for removing the air filter from the indoor unit.

Indoor Unit Front Grille Removal

Procedure for safely removing the front grille assembly of the indoor unit.

Indoor Unit Blade Removal

Instructions for removing the indoor unit's horizontal and vertical airflow blades.

Indoor Unit Electrical Box, PCB, Swing Motor Removal

Steps for removing the electrical box, PCB, and swing motor assembly.

Indoor Unit Heat Exchanger Removal

Detailed guide for safely removing the indoor unit's heat exchanger.

Indoor Unit Drain Plug Installation

Instructions for installing or replacing the drain plug.

Indoor Unit Fan Rotor and Fan Motor Removal

Procedure for removing the fan rotor and motor from the indoor unit.

Outdoor Unit S-Series Panel and Fan Motor Removal

Steps for removing panels and fan motor from outdoor units (S-series).

Outdoor Unit S-Series Electrical Box Removal

Procedure for removing the electrical box from outdoor units (S-series).

Outdoor Unit Reactor and Partition Plate Removal

Instructions for removing the reactor and partition plate from outdoor units.

Outdoor Unit Sound Blanket Removal

Procedure for removing sound insulation blankets from outdoor units.

Outdoor Unit Four Way Valve Removal

Steps for removing the four-way valve from the outdoor unit.

Outdoor Unit Compressor Removal

Detailed procedure for safely removing the compressor.

Outdoor Unit S-Series PCB Removal

Steps for removing the PCB from outdoor units (S-series).

Outdoor Unit H/N-Series External Panels Removal

Procedure for removing external panels from outdoor units (H/N-series).

Outdoor Unit Bell Mouth Removal

Instructions for removing the bell mouth from outdoor units.

Outdoor Unit H/N-Series PCB and Electrical Box Removal

Steps for removing PCB and electrical box from outdoor units (H/N-series).

Outdoor Unit Propeller Fan and Fan Motor Removal

Procedure for removing the propeller fan and fan motor assembly.

Outdoor Unit Partition Plate and Reactor Removal

Instructions for removing the partition plate and reactor from outdoor units.

Outdoor Unit Sound Insulation Pad Removal

Procedure for removing sound insulation pads from outdoor units.

Outdoor Unit Expansion Valve and Four Way Valve Removal

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

Outdoor Unit Compressor Removal

Detailed procedure for safely removing the compressor.

Part 8 Others

Test Run from Remote Control

Guide on performing a trial operation using the remote control.

Jumper Settings Information

Information on setting jumpers for different configurations.

Part 9 Appendix

Indoor Unit Piping Diagrams

Piping diagrams illustrating refrigerant flow for indoor units.

Outdoor Unit Piping Diagrams

Piping diagrams illustrating refrigerant flow for outdoor units.

Indoor Unit Wiring Diagrams

Wiring diagrams for indoor unit electrical connections.

Outdoor Unit Wiring Diagrams

Wiring diagrams for outdoor unit electrical connections.

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