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Daikin ARXH35CVMB9 User Manual

Daikin ARXH35CVMB9
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

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Questions and Answers:

Daikin ARXH35CVMB9 Specifications

General IconGeneral
Cooling Capacity3.5 kW
Heating Capacity4.0 kW
RefrigerantR32
Indoor Unit Dimensions (W x H x D)770 x 285 x 223 mm
Outdoor Unit Dimensions (W x H x D)845 x 595 x 300 mm
Power Supply230V, 50Hz, 1 Phase

Summary

Introduction

Safety Cautions

Comprehensive safety guidelines, warnings, and cautions for handling the equipment during and after repair.

Control Specification

Mode Hierarchy

Outlines operation modes for heat pump and cooling-only systems.

Frequency Control Logic

Explains frequency determination based on temperature and control parameters.

Input Current and Freeze-up Protection Control

Covers input current control for overload and freeze-up protection for the indoor heat exchanger.

Malfunctions and Gas Detection

Details sensor malfunction detection, overload, over-current, and insufficient gas detection methods.

System Configuration

Instruction and Safety Precautions

General instructions for operation, safety precautions, part names, preparation, and mode operations.

Caution for Diagnosis

Diagnostic Warnings and Procedures

Important warnings and procedures to follow before performing diagnostic checks to ensure safety.

Problem Symptoms and Measures

Symptom-Based Troubleshooting

Lists common symptoms of unit malfunction and provides corresponding checks and measures.

Service Check Function

Using Remote Control for Service Check

Explains how to use the remote control to enter and utilize the service check mode for diagnosis.

Troubleshooting

Error Codes and Descriptions

Lists system error codes displayed on the remote control with their meanings and reference pages.

Indoor Unit PCB Abnormality Troubleshooting

Details troubleshooting for indoor unit PCB abnormalities, including connector and PCB checks.

Protection Control Abnormalities

Troubleshooting for freeze-up, high pressure, compressor overload, and fan lock issues.

Electrical and Signal Fault Troubleshooting

Troubleshooting for fan motor, thermistor, signal transmission, input/output over-current, and voltage issues.

System Component Fault Troubleshooting

Troubleshooting for four-way valve, discharge pipe, high pressure, position sensor, and DC sensor abnormalities.

Thermistor and Fin Temperature Issues

Troubleshooting for outdoor unit thermistor abnormalities, electrical box, and radiation fin temperature rise.

Output Over Current and Insufficient Gas Troubleshooting

Troubleshooting for output over-current detection and insufficient gas conditions.

Over-voltage Detection Troubleshooting

Troubleshooting steps for over-voltage detection.

Check Procedures

Detailed checks for electronic expansion valve, four-way valve, thermistors, installation, and fan systems.

Outdoor Unit / RK(X)H-C, ARK(X)H-C, R(Y)N-C Removal Procedure

Compressor Removal

Procedure for removing the compressor, including brazed parts and piping.

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