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Fujitsu ARXC72GATH User Manual

Fujitsu ARXC72GATH
255 pages
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SERVICE MANUAL

Table of Contents

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Fujitsu ARXC72GATH Specifications

General IconGeneral
Cooling Capacity7.2 kW
Heating Capacity8.0 kW
Power Supply220-240 V, 50 Hz
RefrigerantR410A
Noise Level (Outdoor)52 dB(A)

Summary

1. TEST RUN

1-1 EXECUTION PROCEDURE AND EXECUTION PRECAUTIONS

Details procedures and precautions before starting execution.

1-2-1 Check Items Before Power ON

Lists items to check before powering on the unit.

1-2-2 Check Items After Power ON

Lists items to check after powering on the unit.

Trouble shooting on Test run operation

Provides troubleshooting steps for issues encountered during test runs.

1-2-6 Test Run From Outdoor Main PCB

Describes how to conduct a test run using the outdoor main PCB.

1-2-7 Test Run From Remote Controller

Details how to perform a test run using various remote controllers.

2. OUTDOOR UNIT OPERATION CONTROL

2-2 COMPRESSOR OPERATION

Details compressor operation, including conditions, capacity control, and speed.

2-6 PROTECTIVE FUNCTION

Lists and explains various protective functions and their conditions.

3. INDOOR UNIT OPERATION

3-2 MASTER CONTROL

Explains operation mode control, priority modes, and auto changeover.

4. TROUBLE SHOOTING

4-2 ABNORMAL OPERATION

Details error indications, displays, and error code lists for abnormal operations.

4-3 TROUBLE SHOOTING

Provides troubleshooting steps based on error codes and no-error conditions.

6. DISASSEMBLY PROCESS

3. MAIN PCB removal

Explains how to remove the main PCB, with cautions.

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

Covers the removal of multiple critical PCBs and components like Inverter, Filter, Diode Bridge, Power PCB.

15. COMPRESSOR removal

Provides detailed precautions and procedures for compressor removal.

16. Precautions for exchange of refrigerant-cycle-parts

Lists critical precautions for exchanging refrigerant cycle parts.

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