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Daikin VRV RXYMQ-A Series User Manual

Daikin VRV RXYMQ-A Series
305 pages
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Servi ce
Manual
RXYMQ-A Series
Heat Pump 50/60 Hz
SiME332106E

Table of Contents

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Daikin VRV RXYMQ-A Series Specifications

General IconGeneral
SeriesRXYMQ-A
TypeHeat Pump
RefrigerantR410A
Operating Temperature Range (Cooling)-5°C to 46°C
Maximum Piping Length1000m
Cooling CapacityVaries by model
Heating CapacityVaries by model
Energy Efficiency Ratio (Cooling)Varies by model
Coefficient of Performance (Heating)Varies by model
Sound Pressure Level (Outdoor Unit)Varies by model
Power Supply380-415V, 50Hz, 3-Phase
Maximum Height Difference50 m

Summary

Introduction

Safety Cautions

Essential safety instructions for repair and maintenance personnel.

Icons Used

Explanation of symbols used in the manual for quick information.

Revision History

Records of changes and updates made to the manual.

General Information

Model Names

Details on the naming conventions for outdoor and indoor units.

External Appearance

Visual identification of outdoor and VRV indoor unit models.

Capacity Range

Information on connection ratios and outdoor unit combinations.

Specifications

Technical specifications for the RXYMQ-A series heat pump.

Refrigerant Circuit

Refrigerant Circuit (Piping Diagrams)

Schematic diagrams of refrigerant piping for outdoor and indoor units.

Functional Parts Layout

Identification of key components within the outdoor unit.

Remote Controller

Applicable Models

Lists compatible wired and wireless remote controllers for indoor units.

Names and Functions

Details on buttons and display elements of BRC1E63, BRC1H81, and BRC4M series.

Main/Sub Setting

Procedure for setting remote controllers as Main or Sub.

Address Setting for Wireless Remote Controller

Steps for setting addresses for wireless remote controllers and receivers.

Centralized Control Group No. Setting

Configuration of group addresses for centralized control systems.

Service Settings Menu, Maintenance Menu

Accessing service and maintenance settings via remote controller.

Functions and Control

Operation Flowchart

Overview of system operation logic and control sequences.

Stop Control

Procedures for abnormal shutdown and system stop.

Standby Control

Management of compressor and crankcase heater during standby.

Startup Control

Processes for controlling compressor and fan during startup.

Normal Control

Details on compressor, fan, and valve control during normal operation.

Protection Control

Mechanisms for preventing system damage due to abnormal conditions.

Special Control

Specific operational controls like oil return and defrost.

Outline of Control (Indoor Unit)

Control logic for indoor units including temperature and airflow.

Field Settings and Test Operation

Field Settings for Indoor Unit

Configuration options for indoor units via remote controller or app.

Field Settings for Outdoor Unit

Setup parameters for outdoor units including DIP switches and modes.

Test Operation

Procedures for initial checks, checkpoints, and test runs.

Service Diagnosis

Servicing Items to be Confirmed

Pre-service checks, precautions, and refrigerant properties.

Symptom-based Troubleshooting

Troubleshooting guide based on observed system symptoms.

Error Code via Remote Controller

Displays and corrective actions for error codes shown on remote controller.

Error Code via Outdoor Unit PCB

Lists error codes displayed on the outdoor unit's segment display.

Troubleshooting by Error Code

Detailed error codes, descriptions, and troubleshooting steps.

Check

Procedures for checking various system components and parameters.

Appendix

Wiring Diagrams

Electrical wiring diagrams for outdoor and VRV indoor units.

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