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Fujitsu AUXB12GALH User Manual

Fujitsu AUXB12GALH
255 pages
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SERVICE MANUAL

Table of Contents

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Fujitsu AUXB12GALH Specifications

General IconGeneral
BrandFujitsu
ModelAUXB12GALH
CategoryAir Conditioner
LanguageEnglish

Summary

1. TEST RUN

1-1 EXECUTION PROCEDURE AND EXECUTION PRECAUTIONS

Step-by-step guide for test run execution, including essential precautions to ensure safety and proper operation.

1-2 TEST RUN METHOD

Details the procedures and methods for conducting a test run, covering various aspects of system verification.

2. OUTDOOR UNIT OPERATION CONTROL

2-2 COMPRESSOR OPERATION

Describes the operational conditions and capacity control mechanisms of the compressor.

2-3 FAN CONTROL

Covers the control logic and fan speed settings for the outdoor unit's fans.

2-6 PROTECTIVE FUNCTION

Lists and explains the various protective functions designed to safeguard the system components.

3. INDOOR UNIT OPERATION

3-1 FAN CONTROL

Details the fan control settings and operation modes for the indoor unit.

4. TROUBLE SHOOTING

4-2 ABNORMAL OPERATION

Covers troubleshooting procedures for abnormal operations and system errors.

4-3 TROUBLE SHOOTING

Detailed troubleshooting procedures for various error scenarios.

4-4 SERVICE PARTS INFORMATION

Provides information on service parts, including diagrams and part numbers for replacement.

6. DISASSEMBLY PROCESS

5. INVERTER PCB, FILTER PCB, DIODE BRIDGE and POWER PCB removal

Detailed steps for removing key electronic components like Inverter, Filter, Diode Bridge, and Power PCBs.

15. COMPRESSOR removal

Comprehensive guide for compressor removal, including safety precautions and refrigerant handling.

16. Precautions for exchange of refrigerant-cycle-parts

Essential precautions and guidelines for exchanging refrigerant cycle components, including brazing.

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