Fujitsu ARY25FUAN User Manual

SPLIT TYPE
AIR CONDITIONER
DUCT type (50Hz)
Models
Indoor unit Outdoor unit
ARY25FUAN
ARY25FUAN
ARY25UUAN
ARY25UUAN
AOY25FNAKL
AOY25FNANL
AOY25UNAKL
AOY25UNANL
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . 1
OUTLINE AND DIMENSIONS . . . . . . . . . . . . . 2
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . .
4REFRIGERANT SYSTEM DIAGRAM . . . . . .
5
INDOOR PCB CIRCUIT DIAGRAM . . . . . . . 7
OUTDOOR PCB CIRCUIT DIAGRAM . . . . . 9
DISASSEMBLY ILLUSTRATION . . . . . . . . . . 12
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
ERROR CONTENTS . . . . . . . . . . . . . . . . . . . . . . 10
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Fujitsu ARY25FUAN Specifications

General

Energy Efficiency Class (Cooling)	A++
Energy Efficiency Class (Heating)	A+
Refrigerant	R32
Type	Split
Energy Efficiency Ratio (Heating)	4.0

Summary

Fujitsu Duct Type Air Conditioner Service Manual

Specifications and Technical Data

Refrigerant System Diagrams

Circuit Diagram - Indoor Unit (ARY25FUAN)

Power and Main PCB Wiring

Circuit Diagram - Indoor Unit (ARY25UUAN)

Power, Control Board, and Wiring

Indoor PCB Circuit Diagram (ARY25FUAN)

Power Supply and Controller PCB Schematic

Provides the detailed circuit schematic for the indoor unit's power supply and controller PCB.

Indoor PCB Circuit Diagram (ARY25UUAN)

Controller PCB and Power Supply Circuit

Presents the circuit diagram for the indoor unit's controller PCB and power supply section.

Outdoor PCB Circuit Diagram

Main Controller PCB Assembly Schematic

Detailed circuit diagram of the outdoor unit's main controller PCB, identifying ICs and components.

Error Codes and Troubleshooting

Remote Controller Error Displays

Lists error codes shown on the remote controller and their corresponding fault descriptions.

Outdoor Unit LED Error Indicators

Details how LED patterns on the outdoor unit signify specific operational errors or faults.

Indoor Unit Disassembly

Main Casing and Control Box Components

Outdoor Unit Disassembly Overview

Exploded View of Outdoor Unit Parts

Outdoor Unit Compressor and Piping

Compressor Mounting and Connections

Outdoor Unit Piping (AOY25FNAKL/FNANL)

Condenser and Valve Assembly Details

Outdoor Unit Piping (AOY25UNAKL/UNANL)

Compressor, Accumulator, and Piping Layout

Indoor Unit Parts List

Indoor Unit Component Reference

Lists indoor unit parts with reference numbers, descriptions, and part numbers for ARY25FUAN/ARY25UUAN.

Outdoor Unit Parts List (AOY25FNAKL/FNANL)

Outdoor Unit Component Reference (Models 1)

Lists outdoor unit parts for AOY25FNAKL/FNANL with reference numbers, descriptions, and part numbers.

Outdoor Unit Parts List (AOY25FNANL/UNANL)

Outdoor Unit Component Reference (Models 2)

Lists outdoor unit parts for AOY25FNANL/UNANL with reference numbers, descriptions, and part numbers.