Fujitsu ASY18UBBJ User Manual

CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
OUTLINE AND DIMENSIONS
. . . . . . . . . . . . . . . . . . . . 3
REFRIGERANT SYSTEM DIAGRAM
. . . . . . . . . . . . . 4
ERROR DISPLAY
. . . . . . . . . . . . . . . . . . . . . . . . . 9
CIRCUIT DIAGRAM
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
PCB CIRCUIT DIAGRAM
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11
DISASSEMBLY ILLUSTRATION (Indoor unit)
. . . . 12
DISASSEMBLY ILLUSTRATION (Outdoor unit)
. . 15
PARTS LIST (Indoor Unit)
. . . . . . . . . . . . . . . . . . . . . . . 21
PARTS LIST (Outdoor Unit) . . . . . . . . . . . . . . . . . . . . . 25
SPLIT TYPE
ROOM AIR CONDITIONER
WA L L M O U N T E D ty pe
Models
Indoor unit Outdoor unit
ASY18FBAJ
ASY18FBBJ
ASY18UBAJ
ASY18UBBJ
ASY24FBBJ
ASY24UBBJ
AOY18FNAK
AOY18FNBK
AOY18UNAKL
AOY18UNBKL
AOY24FNBK
AOY24UNBKL
ASY18FBBN
ASY18UBBN
ASY24FBBN
ASY24UBBN
AOY18FNBN
AOY18UNBNL
AOY24FNBN
AOY24UNBNL
( made in Thailand )
( made in China )

Fujitsu ASY18UBBJ Specifications

General

Cooling Capacity	5.0 kW
Heating Capacity	5.8 kW
Refrigerant	R32
Indoor Unit Dimensions (W x H x D)	998 x 318 x 238 mm
Outdoor Unit Dimensions (W x H x D)	790 x 620 x 290 mm
Type	Split System
Power Supply	230V / 1Ph / 50Hz
Coefficient of Performance (Heating)	3.60

Summary

Technical Specifications

Electrical Data

Electrical parameters such as power source, frequency, current, input watts, and EER.

Compressor Specifications

Fan Motor Specifications

Refrigerant Charge

Refrigerant charge amounts for different pipe lengths and additional refrigerant.

Refrigerant System Diagrams

ASY18/AOY18 Refrigerant Diagram

ASY24/AOY24 Refrigerant Diagram

ASY18U/AOY18U Refrigerant Diagram

ASY24U/AOY24U Refrigerant Diagram

Circuit Diagrams

Indoor Unit Circuit Diagram (ASY18/AOY18)

Wiring diagram for the indoor unit components on ASY18/AOY18 models.

Indoor Unit Circuit Diagram (ASY18U/AOY18U)

Wiring diagram for the indoor unit components on ASY18U/AOY18U models.

Indoor Unit Circuit Diagram (ASY18UBBJ/AOY18UNBKL)

Wiring diagram for the indoor unit components on ASY18UBBJ/AOY18UNBKL models.

PCB Circuit Diagrams

Controller PCB Assembly (ASY18UBAJ/ASY18UBBJ)

Circuit diagram for controller PCB of ASY18UBAJ and ASY18UBBJ models.

Controller PCB Assembly (ASY24UBBJ/ASY18UBBN)

Circuit diagram for controller PCB of ASY24UBBJ and ASY18UBBN models.

Controller PCB Assembly (ASY24UBBN)

Circuit diagram for controller PCB of ASY24UBBN model.

Error Display Codes

Indoor Unit Circuit Board Error

Error indication for indoor unit circuit board issues.

Indoor Unit Room Temperature Sensor Error

Error indication for indoor unit room temperature sensor faults.

Indoor Unit Piping Sensor Error

Error indication for indoor unit piping sensor faults.

Indoor Unit Fan Error

Indoor Unit Parts List

Indoor Unit Parts (Ref. 1-280)

Indoor Unit Parts (Ref. 300-491)

Outdoor Unit Parts List

Outdoor Unit Parts (Ref. 2-109)

Outdoor Unit Parts (Ref. 187-982-2)