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Fujitsu AB Series A18LATN User Manual

Fujitsu AB Series A18LATN
131 pages
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SPLIT TYPE
ROOM AIR CONDITIONER
Large Ceiling
type
Models Indoor unit Outdoor unit
AB*A18LATN
AB*A24LATN
AB*A36LATN
AB*A45LATN
AO*A18LACL
AO*A24LACL
AO*A36LATL
AO*A45LATL
INVERTER
SERVICE
INSTRUCTION
R410A
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Fujitsu AB Series A18LATN Specifications

General IconGeneral
BrandFujitsu
ModelAB Series A18LATN
CategoryAir Conditioner
LanguageEnglish

Summary

SERVICE INSTRUCTION

1. SPECIFICATIONS

Model Specifications

Detailed technical specifications for various models including capacity, power, and dimensions.

Electrical Characteristics

Electrical requirements including voltage, current, and wiring specifications.

Capacity Tables

Tables detailing cooling and heating capacities across various operating conditions.

2. DIMENSIONS

Indoor Unit Dimensions

Physical dimensions and mounting details for indoor units of different models.

Outdoor Unit Dimensions

Physical dimensions and mounting details for outdoor units of different models.

3. REFRIGERANT SYSTEM DIAGRAM

Refrigerant Circuit Schematics

Diagrams illustrating the refrigerant flow within the system for different model groups.

4. CIRCUIT DIAGRAM

Electrical Wiring Diagrams

Schematics showing electrical connections and component layout for units.

5. DESCRIPTION OF EACH CONTROL OPERATION

Cooling, Heating, and Dry Operations

Explanation of primary operating modes, capacity control, and temperature settings.

Fan and Louver Control

Details on indoor/outdoor fan speed adjustments and airflow direction control.

Compressor and Timer Controls

Information on compressor frequency regulation and timer functions.

System Protections and Safeguards

Overview of various protection mechanisms, defrost, and safety features.

6. REFRIGERANT CAUTION -R410A-

R410A Tools and Equipment

Necessary tools and equipment for handling R410A refrigerant safely and effectively.

R410A Installation Precautions

Safety guidelines and material requirements for installing R410A systems.

Refrigerant Properties and Comparison

Information on R410A properties, ozone depletion, and comparison with other refrigerants.

7. TROUBLE SHOOTING

Error Code Display and Interpretation

Guide to understanding error codes displayed on the unit or remote controller.

Troubleshooting Specific Errors

Step-by-step procedures for diagnosing and resolving specific error codes.

Power and Operation Issues

Diagnostic steps for issues like no power, no operation, or abnormal behavior.

General Troubleshooting (Noise/Leaks)

Guidance for addressing common operational problems like abnormal noise or water leaks.

7-4 SERVICE PARTS INFORMATION

Compressor Service Parts

Diagnostic procedures and replacement information for the compressor component.

Other Component Service Parts

Service information for active filter modules, EEV, and other related parts.

8. APPENDING DATA

Capacity Tables

Tables detailing cooling and heating capacities across various operating conditions.

Operation Ranges

Specified operating temperature and humidity limits for different modes.

Electrical Characteristics

Electrical specifications including voltage, current, and wiring requirements.

Safety Devices and Settings

Information on built-in safety mechanisms and adjustable function settings.

9. INSTALLATION MANUAL

Installation Procedures Overview

Step-by-step guide for installing the indoor and outdoor units correctly.

Wiring and Piping Connections

Instructions for making electrical wiring and refrigerant pipe connections.

Function Setting and Test Run

Procedures for configuring unit functions and performing post-installation tests.

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