Daikin 2MXS40H3V1B User Manual

Service
Manual
Inverter Multi for 2 Rooms
H-Series / G-Series
SiBE121123_A
[Applied Models]
O Inverter Multi : Heat Pump

Daikin 2MXS40H3V1B Specifications

General

Brand	Daikin
Model	2MXS40H3V1B
Category	Air Conditioner
Language	English

Summary

Part 1 List of Functions

1. Functions

Details the various functions available for different indoor unit models, categorized by operation.

Part 2 Specifications

1. Indoor Unit Specifications

Provides detailed specifications for various indoor unit types, including airflow, power, and dimensions.

2. Outdoor Unit Specifications

Details specifications for outdoor units, covering compressor, refrigerant, airflow, and dimensions.

Part 3 Printed Circuit Board Connector Wiring Diagram

1. Indoor Unit Wiring Diagrams

Illustrates connector layouts and terminal assignments for various indoor unit PCBs.

2. Wired Remote Controller Wiring

Provides wiring diagrams for Daikin wired remote controllers (BRC1D528, BRC1E51A7).

3. Wireless Remote Controller Wiring

Details wiring for wireless remote controller model BRC7E530W, including PCB layouts.

4. Outdoor Unit Wiring Diagrams

Shows wiring diagrams for outdoor units, detailing PCB connector assignments and components.

Part 4 Function and Control

1. Function of RA Indoor Unit

Explains various functions of RA Indoor Units, including temperature control, airflow, and special modes.

2. Function of SA Indoor Unit

Details functions specific to SA Indoor Units, such as drain pump control and thermostat.

3. Function of Thermistor

Describes the role and function of various thermistors used in the system.

4. Control Specification

Outlines control logic, modes, frequency control, and protection functions.

Part 5 Remote Controller

1. RA Indoor Unit Remote Controller Functions

Explains the operation and functions of remote controllers for RA Indoor Units.

2. SA Indoor Unit Remote Controller Functions

Details the operation and functions of remote controllers for SA Indoor Units.

Part 6 Service Diagnosis

1. Troubleshooting with LED Indicators

Guides troubleshooting based on LED indicators on indoor and outdoor units.

2. Problem Symptoms and Measures

Lists common problem symptoms and their corresponding measures for diagnosis.

3. Service Check Function

Details service check procedures for remote controllers and indoor/outdoor units.

4. Code Indication on Remote Controller

Lists error codes displayed on remote controllers for RA, SA, and Outdoor Units.

5. Troubleshooting for RA Indoor Unit

Provides troubleshooting steps for various RA indoor unit abnormalities and faults.

6. Troubleshooting for SA Indoor Unit

Details troubleshooting steps for SA indoor unit abnormalities and system errors.

7. Troubleshooting for Outdoor Unit

Covers troubleshooting for outdoor unit issues like refrigerant shortage and voltage errors.

8. Component Checks

Details checks for components like thermistors, fan motors, PCBs, and valves.

Part 7 Trial Operation and Field Settings

1. Pump Down Operation

Procedure for safely removing refrigerant before relocation or disposal.

2. Forced Cooling Operation

Explains how to perform forced cooling operation for specific maintenance tasks.

3. Trial Operation

Describes how to perform trial operation for various indoor unit series.

4. Field Settings

Guides on setting parameters for indoor and outdoor units based on installation.

5. Silicon Grease Application

Instructions for applying silicon grease on power transistors/diode bridges for heat radiation.

Part 8 Appendix

1. Piping Diagrams

Visual representation of refrigerant piping for various indoor and outdoor unit configurations.

2. Wiring Diagrams

Detailed wiring diagrams for indoor and outdoor units, showing component connections.

3. Removal Procedure (Booklet No.)

References to specific booklets for removal procedures of various unit models.