Fujitsu AOHA24LAT3 User Manual

INVERTER MULTI
AIR CONDITIONER
DUCT TYPE
Indoor unit Outdoor unit
ARHF09LALU AOHA18LAT3
ARHF09LALU AOHA24LAT3
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . 1
OUTLINE AND DIMENSIONS . . . . . . . . . . . 3
REFRIGERANT SYSTEM DIAGRAM . . . . . 5
ERROR CONTENTS . . . . . . . . . . . . . . . . . 13
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . 6
INDOOR PCB CIRCUIT DIAGRAM . . . . . . . 7
OUTDOOR PCB CIRCUIT DIAGRAM . . . . 10
PARTS (indoor unit) . . . . . . . . . . . . . . . . . . 15
PARTS (outdoor unit) . . . . . . . . . . . . . . . . . 18
ACCESSORIES . . . . . . . . . . . . . . . . . . . . . 21

Fujitsu AOHA24LAT3 Specifications

General

Cooling Capacity (kW)	7.03
Refrigerant	R410A
Cooling Capacity (BTU)	24000
Voltage	208/230V
Power Supply	1 Phase, 60Hz

Summary

Specifications

Indoor Unit Specifications

Detailed specifications for the indoor unit, including electrical data and fan motor performance.

Outdoor Unit Specifications

Detailed specifications for the outdoor unit, covering electrical, compressor, and refrigerant aspects.

Refrigerant System Diagram

Refrigerant Flow Diagram

Circuit Diagram

Main Circuit Diagram

Wiring diagram showing connections between indoor, outdoor units, and power supply.

Indoor PCB Circuit Diagram

Indoor Control Unit Wiring

Indoor Controller PCB Components

Indoor Power Supply PCB

Outdoor PCB Circuit Diagram

Outdoor Unit Inverter Assembly Wiring

Wiring diagram for the outdoor unit's inverter assembly and controller PCB.

Outdoor Power Supply PCB

Error Contents

Remote Control and Self-Diagnosis Errors

Lists error codes and their meanings for remote control and self-diagnosis functions.

Outdoor Unit Error Indicators

Explanation of error codes indicated by LED flashing patterns on the outdoor unit.