Samsung MULTI MH023FBEA User Manual

Refer to the service manual in the GSPN(see the rear cover) for the more information.
AIR CONDITIONER CONTENTS
MULTI AIR CONDITIONER
1. Precautions
2. Product Specications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram and Parts List
6. Wiring Diagram
7. Schematic Diagram
8. Reference Sheet
INDOOR UNIT
MH023/026/035/052FBEA
MH020/026/035/052FVEA
MH020/026/035/052FAEA
MH020/026/035/052FNEA
[MH020/026/035/052FNBA]
MH026/035/052FJEA
MH026/035FSEA
NJ026/0351HXEA
MH030/035/052FMEA
NJ026/035LHXEA
[MH026/035FEBA]
MH052FUEA
OUTDOOR UNIT
RJ040F2HXEA(B)
[RJ040F2HXBA]
RJ050F2HXEA(B)
[RJ050F2HXBA]
RJ052F3HXEA
[RJ052F3HXBA]
RJ060F3HXEA(B)
[RJ060F3HXBA]
RJ070F4HXEA
[RJ070F4HXBA]
RJ080F4HXEA
[RJ080F4HXBA]
AQV07/09/12/18/24PSBN
NJ020/025/035/050/068DHXEA
AQV07/09/12PMEN
AQV18/24PMBN
AQV09/12/18YWAN
AJN016/020/026/035/052NDEHA
RJ100F5HXEA
[RJ100F5HXEA]
AJ040FCJ2EH
AJ050FCJ2EH
AJ052FCJ3EH
AJ068FCJ3EH
AJ070FCJ4EH
AJ080FCJ4EH
AJ100FCJ5EH

Samsung MULTI MH023FBEA Specifications

General

Cooling Capacity	2.3 kW
Heating Capacity	2.5 kW
Refrigerant	R32
Operating Current (Heating, A)	3.1 A
Refrigerant Charge (kg)	0.55 kg
Piping Length (Max, m)	15 m
Power Supply	220-240 V, 50 Hz
Indoor Unit Noise Level	19 dBA
Heating Operating Temp. Range (°C)	-15 ~ 24 °C

Summary

Precautions for Air Conditioner Use

Installation Precautions

Covers safe installation, power supply, and operational guidelines for the air conditioner.

Operation and Disposal Guidelines

Provides advice on safe operation, maintenance, and proper disposal of the unit.

Product Specifications Overview

Indoor Unit Specifications

Detailed technical specifications for various indoor unit models, including performance and dimensions.

Outdoor Unit and Comparative Specs

Technical data for outdoor units and a comparison of different models' features and specifications.

Accessory and Option Specifications

Lists available indoor and outdoor unit accessories, parts, and optional items.

Disassembly and Reassembly Procedures

Necessary Tools for Disassembly

Lists essential tools like screwdrivers and monkey spanners required for disassembly.

Outdoor Unit Disassembly Steps

Step-by-step instructions for disassembling outdoor unit components like the cover and control box.

Troubleshooting and Error Diagnosis

Indoor Unit Error Codes and Checks

Explains indoor unit error displays (E1xx, E2xx) and their corresponding check points.

Setting Options and Fault Diagnosis

Guides on setting operational options and diagnosing faults by symptoms and error codes.

Outdoor Unit Error Codes and Checks

Lists outdoor unit error codes (E4xx, E16x) and outlines troubleshooting procedures.

Printed Circuit Board (PCB) Diagrams

Indoor Unit PCB Layouts

Detailed diagrams showing connector pin assignments and component layouts for indoor PCBs.

Outdoor Unit PCB Layouts

Visual guides to outdoor unit main and sub PCBs, illustrating connector functions.

Wiring and Schematic Diagrams

Indoor Unit Wiring Diagrams

Wiring and schematic diagrams illustrating electrical connections for various indoor units.

Outdoor Unit Wiring Diagrams

Wiring and schematic diagrams for outdoor units, detailing component interconnections.

Installation and Refrigeration System

Installation Area Selection Guidelines

Guidelines for choosing suitable locations for indoor and outdoor unit installation.

Piping, Purging, and Refrigerant Refill

Procedures for connecting pipes, purging air, and refilling refrigerant for system operation.

Refrigerant Adjustment and Torque Specs

Details on refrigerant charging based on pipe length and recommended torque values.

Model Name Index and Cycle Diagrams

Explains model name structure and provides cycle diagrams for various units.

Troubleshooting Q&A

Common Cooling and Operation Issues

Addresses weak cooling, general operation, and odor-related problems.

Installation and Remote Control Queries

Answers questions regarding outdoor unit installation, road-facing placement, and windscreen use.