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Fujitsu AUXG24KVLA User Manual

Fujitsu AUXG24KVLA
228 pages
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AIR CONDITIONER
Simultaneous multi
DESIGN & TECHNICAL MANUAL
INDOOR
AUXG18KVLA × 2
AUXG22KVLA × 2
AUXG24KVLA × 2
AUXG18KVLA × 3
ARXG18KLLAP × 2
ARXG18KLLAP × 3
ARXG22KMLA × 2
ARXG24KMLA × 2
OUTDOOR
AOYG36KRTA AOYG45KRTA
AOYG54KRTA
DR_SM003EF_03
2020.09.29

Table of Contents

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Fujitsu AUXG24KVLA Specifications

General IconGeneral
BrandFujitsu
ModelAUXG24KVLA
CategoryAir Conditioner
LanguageEnglish

Summary

Part 1. INDOOR UNIT

2. Specifications

Detailed specifications for compact cassette type indoor units.

2-2. Slim duct type

Detailed specifications for slim duct type indoor units.

2-3. Duct type

Detailed specifications for duct type indoor units.

4. Wiring diagrams

Electrical diagrams for compact cassette and slim duct indoor units.

4-3. Duct type

Electrical diagrams for duct type indoor units.

9. Electrical characteristics

Electrical requirements including voltage, frequency, MCA, and cable size.

10. Safety devices

Details on PCB fuses and fan motor thermal protectors.

Part 2. OUTDOOR UNIT

1. Specifications

Detailed specifications for outdoor units AOYG36KRTA, AOYG45KRTA, AOYG54KRTA.

3. Installation space

Space requirements for single outdoor unit installation.

Multiple outdoor unit installation

Space requirements for multiple outdoor unit installations.

Outdoor unit installation in multi-row

Guidelines for installing outdoor units in multiple rows.

4. Refrigerant circuit

Diagram illustrating the refrigerant flow within the system.

5. Wiring diagrams

Electrical wiring diagrams for outdoor units AOYG36KRTA and AOYG45KRTA/AOYG54KRTA.

7. Capacity compensation rate for pipe length and height difference

Compensation rates for pipe length and height difference for AOYG36KRTA.

8. Additional charge calculation

Calculation methods for additional refrigerant charge for AOYG36KRTA.

8-2. Models: AOYG45KRTA and AOYG54KRTA

Calculation methods for additional refrigerant charge for AOYG45KRTA/AOYG54KRTA.

12. Safety devices

Safety devices and protection forms for outdoor units.

Part 3. SYSTEM DESIGN

1. Installation precautions

General precautions for indoor unit installation.

1-2. Outdoor unit installation precautions

General precautions for outdoor unit installation.

2. Pipe design

Important items and materials for refrigerant piping design.

2-2. Piping limitation

Guidelines on allowable height difference and piping length.

2-4. Selection of pipe heat insulating material

Guidelines for selecting appropriate heat insulating material for refrigerant pipes.

2-5. Additional charge calculation

CAUTION and procedure for calculating additional refrigerant charge.

If additional refrigerant is required

Steps for adding refrigerant and tightening torque specifications.

Additional charging amount for Twin type

Formula and example for calculating additional charge for twin systems.

Additional charging amount for Triple type

Formula and example for calculating additional charge for triple systems.

3. Pipe installation

CAUTION and precautions for refrigerant piping installation.

3-3. Pipe connection

Precautions for connecting pipes and bending pipes.

Connecting the pipes

Steps for connecting pipes, including tightening torque.

4. Wiring design

Precautions for electrical wiring.

4-2. Power supply cable wiring

Power supply cable specifications for indoor and outdoor units.

5. System setting

Settings for indoor units, including primary/secondary and addresses.

Installation (Remote control main unit)

Procedures for installing the wired remote controller main unit.

8. Function settings

Overview of function settings for the outdoor unit.

Local setting procedure

Procedure for setting the Low Noise Mode on the outdoor unit.

Peak cut mode

Procedure for setting the Peak Cut Mode on the outdoor unit.

8-5. Indoor unit (setting by wireless remote controller)

Procedure for setting functions using a wireless remote controller.

Remote controller custom code setting

How to set custom codes for wireless remote controllers.

8-6. Indoor unit (setting by wired remote controller)

Procedure for setting functions using a wired remote controller.

Function setting procedure

Step-by-step guide for setting functions via wired remote.

11) Remote controller custom code

Setting custom codes for remote controllers (wireless only).

9. Check and test

Pre-test run check items and test operation method.

Checklist

Items to check during and after test operation.

9-2. Error code

Error display mode and error code check table.

9-3. Pump down

Procedure for pump down operation before refrigerant removal.

Installation precautions

Precautions for installing the auto louver grille kit.

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