Fujitsu AOYA45LCTL User Manual

SPLIT TYPE
AIR CONDITIONER
CASSETTE TYPE (50Hz)
Indoor unit Outdoor unit
AUYA45LCLU
AUYA54LCLU
AOYA45LCTL
AOYA54LCTL
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . 1
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . 2
REFRIGERANT SYSTEM DIAGRAM . . . . . 4
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . 5
ERROR DETECTION . . . . . . . . . . . . . . . . .
6INDOOR PCB CIRCUIT DIAGRAM . . . . . .
. . . . 10OUTDOOR PCB CIRCUIT DIAGRAM
16
PARTS (INDOOR UNIT) . . . . . . . . . . . . . . 21
PARTS (OUTDOOR UNIT) . . . . . . . . . . . . 28
ACCESSORIES . . . . . . . . . . . . . . . . . . . . . 31

Fujitsu AOYA45LCTL Specifications

General

Brand	Fujitsu
Model	AOYA45LCTL
Category	Air Conditioner
Language	English

Summary

SPECIFICATIONS

ELECTRICAL DATA

Provides detailed electrical specifications including voltage, current, and power consumption.

COMPRESSOR AND REFRIGERANT

Details compressor type and refrigerant specifications.

FAN MOTOR

Lists specifications for indoor and outdoor unit fan motors.

DIMENSIONS

INDOOR UNIT

Shows the main dimensions for the indoor unit itself.

OUTDOOR UNIT DIMENSIONS

REFRIGERANT SYSTEM DIAGRAM

CIRCUIT DIAGRAM

OUTDOOR UNIT

Electrical circuit details for the outdoor unit.

INDOOR UNIT

Electrical circuit details for the indoor unit.

INDOOR PCB CIRCUIT DIAGRAM

INDOOR UNIT CONTROLLER PCB ASSEMBLY

POWER SUPPLY PCB ASSEMBLY

INDOOR UNIT INDICATOR PCB ASSEMBLY

OUTDOOR PCB CIRCUIT DIAGRAM

INVERTER ASSEMBLY

Details of the inverter unit's connections and components.

POWER SUPPLY PCB ASSEMBLY

Schematic for the outdoor unit's power supply board.

TRANSISTOR PCB ASSEMBLY (IPM)

Schematic for the transistor PCB, including the IPM module.

CONTROLLER PCB ASSEMBLY (MAIN PCB)

Main controller board schematic for the outdoor unit.

OUTDOOR UNIT CONTROLLER PCB ASSEMBLY

OUTDOOR UNIT TRANSISTOR PCB ASSEMBLY

IPM CONTROL

Control signals and connections for the Intelligent Power Module (IPM).

OUTDOOR UNIT INDICATOR PCB ASSEMBLY

SW5 PUMP DOWN

Button for initiating pump down operation.

ERROR DETECTION

REMOTE CONTROL

Troubleshooting guidance for the wired remote control LCD.

Self-diagnosis

Explains self-diagnosis displays and error indicators.

INDOOR UNIT TROUBLESHOOTING

Lamps show error contents by flashing as follows.

Table mapping lamp flashing patterns to specific error types.

OUTDOOR UNIT ERROR DETECTION

The number of blinks of the "ERROR" LED shows the type of error as follows.

Lists error types corresponding to the number of "ERROR" LED blinks.

OUTDOOR UNIT TEST RUN

Test run method

Step-by-step instructions for configuring and performing a test run.

Check items during test run

Key checks to perform while the unit is running the test.

OUTDOOR UNIT PUMP DOWN

▲ WARNING

Critical safety warnings related to electrical shock and refrigerant handling.

ACAUTION

Important precautions for performing pump down operations.

Preparation for pump down

Steps required before initiating the pump down procedure.

Procedure

Step-by-step guide for executing the pump down operation.

INDOOR UNIT ASSEMBLY

Motor, DC Brushless

Part number for the DC brushless motor.

INDOOR UNIT DRAIN SYSTEM

Float Switch

Part number for the float switch.

Pump Assy

Part number for the pump assembly.

INDOOR UNIT ELECTRONICS

Power PCB Assy

Part number for the power PCB assembly.

Controller PCB Assy

Part numbers for controller PCB assemblies.

OUTDOOR UNIT CONTROL BOX COMPONENTS

Inverter Case Main Assy

Part number for the inverter case main assembly.

Inverter Case Assy

Part number for the inverter case assembly.

OUTDOOR UNIT PIPING AND COMPONENTS

4-way Valve Assy

Part number for the 4-way valve assembly.

Compressor

Part number for the compressor.

OPTIONAL PARTS

Wired remote control

Optional wired remote control unit.

Wireless remote control

Optional wireless remote control unit.