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Daikin 2MXS50H2V1B User Manual

Daikin 2MXS50H2V1B
267 pages
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Service
Manual
Inverter Multi for 2 Rooms
H-Series / G-Series
SiBE121123_A
[Applied Models]
O Inverter Multi : Heat Pump

Table of Contents

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Daikin 2MXS50H2V1B Specifications

General IconGeneral
BrandDaikin
Model2MXS50H2V1B
CategoryHeat Pump
LanguageEnglish

Summary

Service Manual

Inverter Multi for 2 Rooms H-Series / G-Series

Details Inverter Multi systems for 2 rooms, H-Series and G-Series.

Introduction

Safety Cautions

Provides critical safety warnings and precautions for handling and repairing the equipment.

Used Icons

Explains the meaning of various icons used throughout the manual.

Part 1 List of Functions

Functions

Lists and describes the various functions available for the air conditioning system.

Part 2 Specifications

Indoor Unit

Details the technical specifications for the indoor units.

Outdoor Unit

Details the technical specifications for the outdoor units.

Part 3 Printed Circuit Board Connector Wiring Diagram

Indoor Unit

Provides wiring diagrams for various indoor unit models.

Wired Remote Controller

Details wiring for wired remote controller models BRC1D528 and BRC1E51A7.

Wireless Remote Controller

Details wiring for wireless remote controller model BRC7E530W.

Outdoor Unit

Provides wiring diagrams for the outdoor unit.

Part 4 Function and Control

Function of RA Indoor Unit

Explains the functions and operational controls of the RA Indoor Unit.

Function of SA Indoor Unit

Explains the functions and operational controls of the SA Indoor Unit.

Function of Thermistor

Details the function and role of various thermistors in the system.

Control Specification

Outlines the control specifications and logic for the air conditioner system.

Part 5 Remote Controller

RA Indoor Unit

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

SA Indoor Unit

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

Part 6 Service Diagnosis

Troubleshooting with LED

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

Problem Symptoms and Measures

Provides a list of common problems and their corresponding solutions.

Service Check Function

Details methods for performing service checks on remote controllers.

Code Indication on Remote Controller

Lists error codes displayed on the remote controller and their meanings.

Troubleshooting for RA Indoor Unit

Provides troubleshooting steps for common issues with RA Indoor Units.

Troubleshooting for SA Indoor Unit

Provides troubleshooting steps for common issues with SA Indoor Units.

Troubleshooting for Outdoor Unit

Details troubleshooting steps for common issues with the outdoor unit.

Check

Provides various checks for components like thermistors and fan motors.

Part 7 Trial Operation and Field Settings

Pump Down Operation

Describes the procedure for pump down operation, necessary for relocation or disposal.

Forced Cooling Operation

Explains how to perform forced cooling operation for testing or servicing.

Trial Operation

Details the steps for performing trial operation of the air conditioning system.

Field Settings

Covers settings related to model type, installation, and remote controller configuration.

Silicon Grease on Power Transistor / Diode Bridge

Provides instructions on applying silicon grease for heat dissipation when replacing PCBs.

Part 8 Appendix

Piping Diagrams

Illustrates the piping connections for indoor and outdoor units.

Wiring Diagrams

Provides wiring diagrams for indoor and outdoor units.

Removal Procedure (Booklet No.)

References separate booklets for detailed removal procedures of components.

Cautions on product corrosion

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