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Daikin RXH25CVMB9 - User Manual

Daikin RXH25CVMB9
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

Other manuals for Daikin RXH25CVMB9

Questions and Answers

Summary

Introduction

Safety Cautions

Provides essential safety precautions for handling and operating the air conditioner unit.

Caution in Repair

Details critical warnings and cautions to be observed during repair work to prevent accidents.

Part 2 Specifications

Non-lnverter Models

Technical specifications for non-inverter models in cooling-only mode.

Heat Pump

High Grade Models

Detailed specifications for high-grade models in heat pump mode.

Standard Grade Models

Technical specifications for standard-grade models in heat pump mode.

Part 3 Printed Circuit Board Connector Wiring Diagram

Indoor Unit

Details the connectors and their functions for the indoor unit's PCB.

Outdoor Unit; RK(X)S-C, ARK(X)S-C

Wiring diagrams for outdoor unit connectors of RK(X)S-C and ARK(X)S-C models.

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

Wiring diagrams for outdoor unit connectors of RK(X)H-C, ARK(X)H-C, R(Y)N-C models.

Part 4 Function and Control

Control Specification

Frequency Control

Explains how frequency is determined based on temperature differences and control parameters.

Electronic Expansion Valve Control

Covers the control mechanisms of the electronic expansion valve in various operating modes.

Malfunctions

Sensor Malfunction Detection

Details methods for detecting malfunctions related to thermistor sensors.

Detection of Overload and Over Current

Explains detection methods for overload and over-current conditions to protect components.

Part 5 System Configuration

Instruction

Covers general safety precautions and warnings for installation and operation.

Part 6 Service Diagnosis

Caution for Diagnosis

Important cautions to be followed before performing any diagnostic procedures.

Problem Symptoms and Measures

Lists common symptoms and provides measures to resolve them.

Service Check Function

Explains how to use the remote control's service check function for diagnosis.

Check Method 2

Details the second method for entering diagnosis mode using the remote control.

Error Codes and Description

Lists all error codes displayed by the system and their corresponding descriptions.

Indoor Unit PCB Abnormality

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

Freeze-up Protection Control or High Pressure Control

Diagnoses issues related to freeze-up protection and high-pressure control.

Fan Motor (AC Motor) or Related Abnormality

Troubleshooting steps for abnormalities in the fan motor or related components.

Thermistor or Related Abnormality (Indoor Unit)

Addresses issues with indoor unit thermistors and related abnormalities.

Signal Transmission Error (between Indoor and Outdoor Unit)

Diagnoses signal transmission errors between indoor and outdoor units.

OL Activation (Compressor Overload)

Troubleshooting steps for OL activation or compressor overload.

Compressor Lock

Details the diagnosis and troubleshooting for compressor lock conditions.

DC Fan Lock

Troubleshooting steps for DC fan lock errors.

Input Over Current Detection

Covers troubleshooting for input over-current detection in the system.

Insufficient Gas

Details troubleshooting steps for insufficient gas conditions.

Part 7 Removal Procedure

Removal of Compressor

Procedure for safely removing the compressor from the outdoor unit.

Part 9 Appendix

Wiring Diagrams

Daikin RXH25CVMB9 Specifications

General IconGeneral
BrandDaikin
ModelRXH25CVMB9
CategoryAir Conditioner
LanguageEnglish

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