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Fujitsu ASUG12LZBS User Manual

Fujitsu ASUG12LZBS
179 pages
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AIR CONDITIONER
Wall mounted type
SERVICE MANUAL
INDOOR
ASUG09LZAS
ASUG12LZAS
ASUG15LZAS
OUTDOOR
AOUG09LZAS1
AOUG12LZAS1
AOUG15LZAS1
SR_AS024EF_09
2022.10.12

Table of Contents

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Fujitsu ASUG12LZBS Specifications

General IconGeneral
BrandFujitsu
ModelASUG12LZBS
CategoryAir Conditioner
LanguageEnglish

Summary

General Information

Specifications

Details on indoor and outdoor unit specifications like capacity, power, and performance metrics.

Dimensions

Provides detailed physical dimensions for indoor and outdoor units, including installation space.

Technical Data and Parts Lists

Precautions

Important safety and handling guidelines for service personnel and product maintenance.

Indoor Unit Parts List

Comprehensive list and exploded views of parts for indoor units, with part numbers.

Outdoor Unit Parts List

Detailed breakdown of components for outdoor units, including diagrams and part numbers.

Accessories

Lists included accessories for indoor and outdoor units, such as manuals and mounting hardware.

Optional Parts

Information on optional components like remote controllers and communication kits for enhanced functionality.

Refrigerant System Diagrams

Illustrates the refrigerant flow path and key components within the system.

Wiring Diagrams

Provides detailed electrical wiring schematics for indoor and outdoor units.

PC Board Diagrams

Schematics showing the layout and connections of printed circuit boards for control and operation.

Troubleshooting

Error Code Diagnosis

Explains how to check and interpret error codes displayed by the unit, including error code tables.

Troubleshooting with Error Codes

Step-by-step guides for resolving specific error codes related to communication, sensors, and component failures.

Troubleshooting Without Error Codes

Addresses common operational issues like no power, abnormal noise, or water leaks without specific error codes.

Wireless LAN and Mobile App Troubleshooting

Solves problems related to wireless connectivity, mobile app errors, and network communication issues.

Control and Functions

Compressor Frequency Control

Details how compressor speed is managed based on cooling, heating, dry modes, and outdoor temperature.

Fan Control

Explains indoor and outdoor fan speed settings, airflow control, and specific operational modes like cool air prevention.

Louver Control

Describes how horizontal and vertical louvers adjust airflow direction and swing operations.

Timer Operation Control

Covers the setup and functionality of On/Off timers, Program timers, Sleep timers, and Weekly timers.

Defrost Operation Control

Outlines the conditions and procedures for automatic defrost operation in heating modes.

Various Control Operations

Details various operational modes like Auto Restart, MANUAL AUTO, Forced Cooling, MIN. HEAT, ECONOMY, and POWERFUL.

Various Protections

Explains system protections such as discharge gas temperature, anti-freezing, current release, and pressure controls.

Field Working

Function Settings

Describes how to adjust various product functions via the remote controller, including settings for sensors and modes.

External Input and Output

Details the use of external input/output PCBs for controlling the unit via external devices or signals.

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