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Fujitsu AS G07LUCA Series User Manual

Fujitsu AS G07LUCA Series
122 pages
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SPLIT TYPE
ROOM AIR CONDITIONER
Models Indoor unit Indoor unit Outdoor unit
AO*G36LBLA5
AO*G45LBLA6
INVERTER MULTI
Universal Floor / Celling
Slim Duct / Mini Duct
Compact Cassette
Compact Wall Mounted / Floor
Wall Mounted type
AS*G07LUCA
AR*G07LLTA
AR*G09LLTA
AR*G12LLTB
AR*G14LLTB
AB*G14LVTA
AB*G18LVTB
AG*G09LVCA
AG*G12LVCA
AG*G14LVCA
AR*G18LLTB
AR*G07LSLAP
AR*G09LSLAP
AR*G12LSLAP
AR*G14LSLAP
AR*G18LSLAP
AS*G07LMCA
AS*G09LMCA
AS*G12LMCA
AS*G14LMCA
AS*G07LMCE
AS*G09LMCE
AS*G12LMCE
AS*G14LMCE
AS*G18LFCA
AS*G24LFCA
AS*G24LFCC
AS*G12LUCA
AS*G14LUCA
AS*G09LUCA
AU*G07LVLA
AU*G09LVLA
AU*G12LVLB
AU*G14LVLB
AU*G18LVLB
SERVICE
INSTRUCTION
R410A
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Fujitsu AS G07LUCA Series Specifications

General IconGeneral
Cooling Capacity2.0 kW
Heating Capacity2.5 kW
RefrigerantR32
Power Supply220-240V, 50Hz
Operating Temperature (Heating)-15°C to 24°C

Summary

1. Description of Each Control Operation

Capacity Control

Controls compressor frequency based on indoor unit, temperature, and outdoor conditions.

Auto Changeover Operation

Automatically switches between Heating, Cooling, Dry, and Monitoring modes based on temperature.

Indoor Fan Control

Details fan speed settings for various models and operation modes.

Louver Control

Explains vertical and horizontal louver adjustments and swing operations for different unit types.

Outdoor Fan Control

Shows fan speed for outdoor units in Cooling and Heating modes.

Compressor Control

Details compressor operation frequency ranges and startup control.

Timer Operation Control

Covers Wireless and Wired remote controller timer settings like ON/OFF, Program, and Sleep timers.

Electronic Expansion Valve Control

Explains how the electronic expansion valve's opening is calculated and controlled.

Prevent Restart for 3 Minutes

The compressor will not operate for 3 minutes after being stopped.

4-Way Valve Extension Select

Describes the 4-way valve switching sequence when changing from Cooling to Heating mode.

Auto Restart

Memorizes operation settings during power interruption and resumes automatically after power recovery.

Manual Auto Operation

Initiates manual auto operation by pressing the MANUAL/AUTO button for a specific duration.

Compressor Preheating

Heats the compressor when outdoor temperature is low to ensure quick warm air discharge.

Powerful Operation

Operates at maximum power for quick cooling or warming, with automatic turn-off conditions.

10°C Heat Operation

Performs heating operation at a minimum temperature setting of 10°C.

Economy Operation

Reduces operation output to approximately 70% of normal for energy saving.

Fresh Air Control

Operates the fresh air fan motor in synchronization with the indoor fan.

External Electrical Heater Control

Controls the external electrical heater operation based on specific conditions.

Drain Pump Operation

Details the drain pump operation logic during Cooling/Dry and Heating/Fan modes.

Defrost Operation Control

Explains the conditions for starting and completing defrost operations.

2. Trouble Shooting

2-1 Error Display

Lists error codes and their corresponding indicator patterns on indoor and remote controllers.

2-2 Trouble Shooting with Error Code

Provides step-by-step troubleshooting procedures for specific error codes.

2-3 Trouble Shooting with No Error Code

Offers troubleshooting steps for issues without specific error codes.

2-4 Service Parts Information

Lists parts and diagnostic procedures for troubleshooting various components.

Service Parts Information

Compressor

Diagnosis methods and replacement procedures for compressor issues.

Outdoor Unit Electronic Expansion Valve (EEV)

Checks connections, coil resistance, voltage, noise, and valve operation for EEV.

Discharge Pressure Sensor

Details how to check the discharge pressure sensor's connection, characteristics, and voltage.

Indoor Unit Fan Motor

Procedures for checking fan rotation and resistance, and replacing the motor or PCB.

Outdoor Unit Fan Motor

Steps for checking fan rotation and resistance, and replacing the motor or Main PCB.

Active Filter Module

Instructions for checking the active filter module for open/short circuits and output voltage.

IPM Module

Steps for checking the IPM module for resistance and diode characteristics.

Main PCB Replacement Caution

Important cautions and procedures when replacing the outdoor unit's Main PCB.

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