Daikin 4MXS-R Series User Manual

Service
Manual
2MXS-N, 3/4MXS-R Series
SiUS121736EA
[Applied Models]
z Inverter Multi : Heat Pump
Multi-Split Type Air Conditioners

Daikin 4MXS-R Series Specifications

General

Brand	Daikin
Model	4MXS-R Series
Category	Air Conditioner
Language	English

Summary

Safety Cautions

Warnings and Cautions Regarding Safety of Workers

Important warnings for personnel performing maintenance and repairs.

Warnings and Cautions Regarding Safety of Users

Important warnings for users to prevent injury and equipment damage.

List of Functions

RA Indoor Unit Functions

Details the functions available for RA type indoor units.

SA Indoor Unit Functions

Details the functions available for SA type indoor units.

Outdoor Unit Functions

Details the functions available for outdoor units.

Specifications

RA Indoor Unit Specifications

Detailed specifications for RA type indoor units.

SA Indoor Unit Specifications

Detailed specifications for SA type indoor units.

Outdoor Unit Specifications

Detailed specifications for outdoor units.

Printed Circuit Board Connector Wiring Diagram

Indoor Unit Wiring Diagrams

Wiring diagrams for various indoor unit models.

Outdoor Unit Wiring Diagram

Wiring diagram for the outdoor unit.

Functions and Control

Common Functions

Covers functions applicable to all units, like temperature control and inverter principles.

RA Indoor Unit Functions

Details specific functions for RA type indoor units like airflow control.

SA Indoor Unit Functions

Details specific functions for SA type indoor units like airflow and fan speed control.

Control Specification

Specifies control parameters such as thermistor functions and mode hierarchy.

Remote Controller

Applicable Remote Controllers

Lists remote controller models compatible with indoor units.

ARC466A36 Remote Controller Operation

Details the operation and buttons of the ARC466A36 remote controller.

ARC452A21 Remote Controller Operation

Details the operation and buttons of the ARC452A21 remote controller.

ARC452A23 Remote Controller Operation

Details the operation and buttons of the ARC452A23 remote controller.

ARC466A21 Remote Controller Operation

Details the operation and buttons of the ARC466A21 remote controller.

Wired Remote Controller (BRC944B2)

Details the operation of the wired remote controller BRC944B2.

Wired Remote Controller (BRC1E73)

Details the operation and LCD of the wired remote controller BRC1E73.

Wireless Remote Controller (BRC082A43)

Details the operation and buttons of the wireless remote controller BRC082A43.

Wireless Remote Controller (BRC082A41W, BRC082A42W(S))

Details the operation and buttons of wireless remote controllers BRC082A41W, BRC082A42W(S).

Service Diagnosis

General Problem Symptoms and Check Items

Lists common problems and initial checks for troubleshooting.

Troubleshooting with LED Indicators

Guides troubleshooting based on indoor and outdoor unit LED indicators.

RA Indoor Unit Service Diagnosis

Troubleshooting steps and error codes for RA indoor units.

SA Indoor Unit Service Diagnosis

Troubleshooting steps and error codes for SA indoor units.

Outdoor Unit Service Diagnosis

Troubleshooting steps and error codes for outdoor units.

Trial Operation and Field Settings

Pump Down Operation

Procedure for safely removing refrigerant when relocating or disposing the unit.

Forced Cooling Operation

Procedure for forcing the unit into cooling operation for testing.

Wiring Error Check Function

Function to automatically check and correct wiring errors.

Trial Operation

Procedure to verify all functions and parts work correctly after installation.

Field Settings

Instructions for configuring settings on outdoor and indoor units.

Appendix

Piping Diagrams

Diagrams showing refrigerant piping connections for indoor and outdoor units.

Wiring Diagrams

Wiring diagrams for indoor and outdoor units.