Fujitsu ABYA45LCT User Manual

SPLIT TYPE
AIR CONDITIONER
CEILING TYPE (50Hz)
Indoor unit Outdoor unit
ABYA36LCT
ABYA45LCT
ABYA54LCT
AOYD36LATT
AOYD45LATT
AOYD54LATT
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . 1
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . 2
REFRIGERANT SYSTEM DIAGRAM . . . . . 4
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . 5
ERROR DETECTION . . . . . . . . . . . . . . . . .
6INDOOR PCB CIRCUIT DIAGRAM . . . . . .
. . . . 10OUTDOOR PCB CIRCUIT DIAGRAM
17
PARTS (INDOOR UNIT) . . . . . . . . . . . . . . 22
PARTS (OUTDOOR UNIT) . . . . . . . . . . . . 27
ACCESSORIES . . . . . . . . . . . . . . . . . . . . . 31
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Fujitsu ABYA45LCT Specifications

General

Brand	Fujitsu
Model	ABYA45LCT
Cooling Capacity	4.5 kW
Heating Capacity	5.0 kW
Type	Air Conditioner
Power Supply	220-240V, 50Hz

Summary

Specifications

Electrical Data

Electrical parameters for cooling and heating modes.

Compressor and Refrigerant Details

Information on compressor type and refrigerant.

Indoor Unit Dimensions

Outdoor Unit Dimensions

Refrigerant System Diagram

Refrigerant Flow and Thermistor Identification

Diagram of refrigerant circulation and labeled thermistors.

Circuit Diagram

Indoor and Outdoor Unit Circuit Layout

Overall electrical connections for both units.

Indoor PCB Circuit Diagram

Indoor Unit PCB Connections and Components

Detailed wiring for indoor unit circuit boards.

Indoor Controller PCB Assembly

Indoor Power Supply PCB Assembly

Indoor Indicator PCB Assembly

Outdoor PCB Circuit Diagram

Outdoor Unit PCB Connections and Layout

Detailed wiring for outdoor unit circuit boards.

Outdoor Controller PCB Assembly

Outdoor Power Factor PCB Assembly

Outdoor Power Factor PCB Assembly Part 2

Outdoor Transistor PCB Assembly

Outdoor Power Supply PCB Assembly

Outdoor Capacitor PCB Assembly

Indoor Unit Error Detection

Troubleshooting with Indicator Lamps

Guide to identifying errors using indicator lamp patterns.

Remote Control Error Diagnosis

Error Codes for Remote Control Display

Outdoor Unit Test Run Procedure

Performing the Test Run

Step-by-step guide for executing the test run.

Outdoor Unit Error Code Display

Checking Outdoor Unit Error Codes

Method for identifying errors via LED blinks on the outdoor unit.

Outdoor Unit Pump Down Procedure

Refrigerant Collection Operation Steps

Detailed steps for collecting refrigerant before unit movement.

Indoor Unit Parts

Outdoor Unit Parts