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Daikin RX35J3V1B User Manual

Daikin RX35J3V1B
116 pages
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Service
Manual
Inverter Pair
Wall Mounted Type J-Series
SiBE041010EA
[Applied Models]
z Inverter Pair : Heat Pump

Table of Contents

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Daikin RX35J3V1B Specifications

General IconGeneral
ModelRX35J3V1B
CategoryHeat Pump
Cooling Capacity3.5 kW
Heating Capacity4.0 kW
Energy Efficiency Ratio (EER)3.21
RefrigerantR32
Outdoor Unit Dimensions (H x W x D)550 x 765 x 285 mm
Noise Level (Outdoor Unit)48 dB(A)
Power Supply220-240V, 50Hz

Summary

Introduction

Safety Cautions

Discusses safety precautions and classifications for repair work and usage.

Used Icons

Explains the meaning of various icons used to highlight specific information in the manual.

Part 1 List of Functions

Functions

Lists and categorizes various operational functions of the air conditioner.

Part 2 Specifications

Specifications Details

Details technical specifications for indoor and outdoor units.

Part 3 Printed Circuit Board Connector Wiring Diagram

Indoor Unit PCB & Wiring

Provides wiring diagram for the indoor unit PCB and connectors.

Outdoor Unit PCB & Wiring

Provides wiring diagram for the outdoor unit main PCB and filter PCB.

Part 4 Function and Control

Main Functions

Details primary operational functions like temperature, frequency, and airflow control.

Temperature Control

Explains how room temperature is detected and controlled by the unit.

Frequency Principle

Describes how compressor frequency is controlled by various parameters.

Airflow Direction Control

Explains flap and louver movement for air distribution in different modes.

Fan Speed Control for Indoor Unit

Details the 9 steps of indoor fan speed and their control logic.

Program Dry Operation

Explains humidity removal process and temperature/airflow settings.

Automatic Operation

Describes how the unit automatically selects cooling or heating mode.

Thermostat Control

Explains thermostat operation based on temperature differences.

NIGHT SET Mode

Describes automatic adjustment of target temperature for sleep comfort and energy saving.

ECONO Operation

Explains reduced current and power consumption for energy saving.

Inverter POWERFUL Operation

Details operation to maximize cooling/heating capacity.

Clock Setting

Instructions on how to set the unit's clock.

Other Functions

Covers Hot-Start, Signal Receiving, ON/OFF button, Air-Purifying Filter, and Auto-restart.

Thermistor Functions

Explains the role of various thermistors in the system's operation.

Control Specifications

Outlines operating modes, frequency control, and system logic.

Part 6 Service Diagnosis

Problem Symptoms and Measures

Lists common symptoms and their corresponding checks and measures.

Service Check Function

Explains how to use the remote controller to access error codes and diagnose issues.

Troubleshooting Error Codes

Lists error codes, their descriptions, and corresponding reference pages for troubleshooting.

Specific Error Troubleshooting

Details troubleshooting for specific errors like PCB, fan motor, thermistors, and refrigerant issues.

Diagnostic Checks

Procedures for checking components like thermistors, fan motors, valves, and power modules.

Part 7 Tips for Servicing

Servicing Procedures

Covers pump down, forced cooling, trial operation, field settings, and silicon grease application.

Pump Down Operation

Procedures for pump down operation for environmental protection.

Forced Cooling Operation

Details conditions, start, end, and commands for forced cooling operation.

Trial Operation

Guides on performing trial operation to check unit functions and parts.

Field Settings

Settings for multiple units and jumper configurations.

Silicon Grease on Power Transistor / Diode Bridge

Explains applying silicon grease for heat radiation when replacing PCBs.

Part 8 Appendix

Piping Diagrams

Provides diagrams illustrating refrigerant piping for indoor and outdoor units.

Wiring Diagrams

Illustrates the electrical wiring connections for indoor and outdoor units.

Removal Procedure References

References specific booklets for unit removal procedures.

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