Fujitsu ASU18RLB User manual

SPLIT TYPE

ROOM AIR CONDITIONER

WALL MOUNTED TYPE

CONTENTS

SPECIFICATIONS. . . . . . . . . . . . . . . . . . .

DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . 2

REFRIGERANT SYSTEM DIAGRAM. . . .3

CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . 4

ERROR DETECTION . . . . . . . . . . . . . . . .

INDOOR PCB CIRCUIT DIAGRAM . . . . .

OUTDOOR PCB CIRCUIT DIAGRAM . . .

PARTS (INDOOR UNIT). . . . . . . . . . . . . .8

PARTS (OUTDOOR UNIT) . . . . . . . . . . .13

ACCESSORIES . . . . . . . . . . . . . . . . . . .

Indoor unit Outdoor unit

ASU18RLB

ASU24RLB

AOU18RLB

AOU24RLB

SPECIFICATIONS

TYPE Cool & heat inverter

INDOOR UNIT ASU18RLB

OUTDOOR UNIT AOU18RLB

COOLING CAPACITY

HEATING CAPACITY

POWER SOURCE

FREQUENCY

RUNNING

CURRENT

MAXIMUM

CURRENT

INPUT WATTS

EER Cooling

COP Heating

Cooling

Heating

Cooling

Heating

Cooling

Heating

Cooling

Heating

MOISTURE REMOVAL

AIR CIRCULATION

HIGH

FAN MOTOR

High

INDOOR UNIT

Cooling

Medium

Low

Quiet

High

INDOOR UNIT

Heating

Medium

Low

Quiet

OUTDOOR UNIT Heating

OUTDOOR UNIT Cooling

18,000 Btu/h

208/230 V

60 Hz

6.4 A

5.8 A

1.44 kW

1.285 kW

12.5 Btu/Wh

14.0 Btu/Wh

4.0 Pts/h 1.9 L/h

541 CFM 920 m3/h

8.3 A

11.8 A

ASU24RLB

AOU24RLB

24,000 Btu/h

208/230 V

60 Hz

10.5 A

8.5 A

2.40 kW

1.925 kW

10.0 Btu/Wh

12.5 Btu/Wh

6.3 Pts/h 3.0 L/h

647 CFM 1,100 m3/h

659 CFM 1,120 m3/h

11.8 A

13.8 A

1,260 r.p.m.

1,020 r.p.m.

900 r.p.m.

770 r.p.m.

1,260 r.p.m.

1,020 r.p.m.

900 r.p.m.

790 r.p.m.

780 r.p.m.

870 r.p.m.

1,480 r.p.m.

1,220 r.p.m.

1,020 r.p.m.

900 r.p.m.

1,430 r.p.m.

1,220 r.p.m.

1,020 r.p.m.

900 r.p.m.

1,000 r.p.m.

1,050 r.p.m.

ELECTRICAL DATA

2014.12.24 1

High

Medium

Low

Quiet

INDOOR UNIT

Cooling

High

Medium

Low

Quiet

INDOOR UNIT

Heating

OUTDOOR UNIT Heating

NOISE LEVEL

OUTDOOR UNIT Cooling

42 dB

35 dB

31 dB

26 dB

43 dB

36 dB

33 dB

28 dB

50 dB

51 dB

47 dB

41 dB

35 dB

31 dB

47 dB

42 dB

36 dB

33 dB

55 dB

54 dB

COMPRESSOR TYPE Hermetic type, 4 pole, 3 phase,

DC inverter motor, Rotary

DISCRIMINATION

PRECHARGED REFRIGERANT

REFRIGERANT TYPE R410A

WEIGHT (with oil)

COMPRESSOR AND REFRIGERANT

Pipe length 49 ft. 15 m

FULL CHARGE 66 ft. 20 m

MAXIMUM PIPING HEIGHT 49 feet 15 m

ADDITIONAL CHARGE 0.22 oz/ft 20 g/m

808-213-80

21 lb. 6 oz. 9.7 kg

3 lb. 5 oz. 1,500 g

3 lb. 1 oz. 1,400 g

WEIGHT

INDOOR UNIT Net / Shipping

Net / ShippingOUTDOOR UNIT

INDOOR UNIT H x W x D

H x W x DOUTDOOR UNIT

86 lb. / 92 lb. 39 kg / 42 kg

DIMENSIONS

24-1/2 x 31-3/32 x 11-13/32 in.

620 x 790 x 290 mm

12-5/8 x 39-1/4 x 9 inch

320 x 998 x 228 mm

31 lbs / 40 lbs 14 kg / 18 kg

DIMENSIONS

Drain pipe diameter

Inside : 5/8 inch (16 mm)

Outside : 1-3/32 inch (28 mm)

Liquid pipe diameter : 1/4 inch (6.35 mm)

Gas pipe diameter : 1/2 inch (12.70 mm)

INDOOR UNIT

39-1/4 inch (998 mm)

9 inch

(228 mm)

12-5/8 inch

(320 mm)

2014.12.24 2

OUTDOOR UNIT

11-11/32 inch

(290 mm) 31-3/32 inch (790 mm)

21-1/4 inch (540 mm)

24-13/32 inch (620 mm)

REFRIGERANT

SYSTEM DIAGRAM

Refrigerant direction

Cooling

Heating

Refrigerant pipe diameter

Liquid : 1/4" (6.35 mm)

Gas : 1/2" (12.7 mm)

2-Way valve

Strainer

Receiver

Strainer

3-Way valve

Muffler

4-Way valve

Expansion valve

Heat exchanger

(indoor unit)

Heat exchanger

(outdoor unit)

Compressor

2014.12.24 3

Black

Brown or Black

Black

Brown or Black

Black

White

Yellow

Orange

Blue

Red

Brown

Yellow

White

Black

Red

CN800

CN700

CN500

CN61

CN62 Thermistor ( outdoor temp. )

Thermistor ( discharge temp. )

Thermistor ( pipe temp. )

4-way valve coil

Expansion valve coil

4WV

PMV

FM Fan motor

White

Black

1 2 3 4 5 6 7 8 9

1 2 3 4 5 6 7 8 91 2 3 4 5

1 2 3 4 5

1 2

9 8 7 6 5 4 3 2 15 4 3 2 1

CN200CN40CN42

CN303 CN301W306

W307

Transistor

PCB

( I P M )

Black

1 2 3 4

1 2 3 4 5 6

CN400

CN11

Blue

Yellow

Black

Red

Violet

White

TM302

TM301

W17

W16

W13

W12

+I N

-I N

Capacitor PCB

Red

White

Black

Brown

Orange

TM102

TM101

TM303

TM304

TM305

CM Compressor

White

L2 L1

Choke coil

Green

1 2

W29

W28

CN100 W21W9 W20 W19 W3

W18

W17

Power source

Terminal

12 3 L1L2

Filter PCB

Green

White

Black

White

Black

White

Gray

Black

White

Black

1 2

1 2 1 2

1 2

CN1 CN110

TM600

TM601

Fuse

25A

250V

ACTPM

Main PCB

CN13

CN16CN14

CN10

CN3CN1

CN8

CN6

CN5

CN11

CN2

TM1

TM4 TM2 W5

CN201

Blue

Yellow

White

Black

Red

Blue

Pink

Yellow

Orange

Red

Blue

Pink

Yellow

Orange

Red

Blue

Pink

Yellow

Orange

Red

Green

White

Red

Black

White

Red

Black

White

Red

Test

Fan motor

M Diffuser

M Louver

( Up / Down )

M Louver

( Right / Left )

12 3

Terminal

Ex. out

( Option )

Ex. in

( Option )

Thermistor ( Pipe temp. )

Thermistor ( Room temp. )

Wired remote control

( Option )

Indicator PCB

Thermal

fuse 102

Main PCB

CIRCUIT DIAGRAM

INDOOR UNIT OUTDOOR UNIT

2014.10.07 4

UL1061 AWG28 x 7

CN11-1 RED

CN11-2 WHITE

CN11-3 WHITE

CN11-4 WHITE

CN11-5 WHITE

CN11-6 WHITE

CN11-7 WHITE

UL1007 AWG26 x 2

CN2-1 BLACK

CN2-2 BLACK

CN3-1

CN3-2

RED

WHITE BLACK

BLACK

CN13-1

CN13-2

CN13-4

CN13-3

CN13-5

UL1061 AWG26 x 5

UL3266 AWG22 x 5

UL1061 AWG26 x 3

CN5-1 RED

CN5-2 ORANGE

CN5-3 YELLOW

CN5-4 PINK

CN5-5 BLUE

CN10-6 RED

CN8-1 RED

CN8-2 ORANGE

CN8-3 YELLOW

CN8-4 PINK

CN8-5 BLUE

CN10-4 BLACK

CN10-3 WHITE

CN10-2 YELLOW

CN10-1 BLUE

CN2-3 YELLOW

CN2-1 RED

CN2-2 ORANGE

CN2-4 PINK

CN2-5 BLUE

CN6-1 RED

CN6-2 WHITE

CN6-3 BLACK

UL1015 AWG24 BLACK

UL1015 AWG24 WHITE

UL1015 AWG24 RED

SERIAL

F M

DC FAN MOTOR

DIFFUSER

LOUVER ( UP / DOWN )

LOUVER ( RIGHT / LEFT )

THERMISTOR ( ROOM TEMP. )

THERMISTOR ( PIPE TEMP. )

XARR

-03VF

XAP

-03V-1

EX. OUT

EX. IN

CN201

07 JB20 / PAP 1061

WHITE

CN11

B07B-PASK-1

WHITE

CN14

B3B-XH-AM

WHITE

CN16

B2B-XH-AM

WHITE

CN3

JC25-02HG

WHITE

CN1

2P-SAN

WHITE

CN13

B5B-PH-K-S

WHITE

TEST

FLASH

CN9

B07B-PASK-1

WHITE

CN6

B05B-XASK-1-A

WHITE

CN2

SJH20-05WS

WHITE

CN5

SJH20-06WS

WHITE

CN8

B06B-PASK-1

WHITE

CN10

B5 ( 6-5 ) B-XARK-1-A

RED

TERMINAL

HP-T3064A-A29-L1

GREEN

EARTH

TM2

22007

RED

SERIAL I N

TM1

22007

WHITE

N I N

TM4

22007

BLACK

L I N

AC250V 3.15A

INDICATOR PCB

K05CY-0902HSE-D0

WIRED REMOTE CONTROL

( OPTION )

BRANCH BOX UNIT

POWER SOURCE

AC208 - 230V

60Hz

MAIN PCB

ASU18RLB : K09DR-1405HSE-C1

ASU24RLB : K09DR-1406HSE-C1

UL1015

AWG22

GREEN

EMI FILTER

ESD-R19

TRCB-19-10-10

4 TURNS

CONTROL UNIT

ASU18RLB : EZ-01402HSE

ASU24RLB : EZ-01403HSE

2014.10.10 5

Pin No. Terminal

code

GND

Vcc

Vsp

Function of terminal

Revolution pulse output

Speed control voltage input

Control power voltage input

GND

Motor power voltage input

Lead wire

color

Red

Black

White

Yellow

Blue

0 20 30

Thermistor ( room temp. ) 33.6 k 12.5 k 8.0 k

3.0 V 4.0 V 4.3 V

0 20 30

Thermistor ( Pipe temp. ) 176.0 k 62.9 k 39.6 k

1.1 V 2.2 V 2.8 V

CN3 Thermistor Characteristics.

CN1 Thermistor Characteristics.

Thermistor ( EP6H503AR-09S004 )

Thermistor ( 150-103-86172 )

CN10 DC FAN MOTOR ( MFD-50ROM )

DC 15V

DC 5V

DC340V

DC12V

INDOOR PCB CIRCUIT DIAGRAM

UL1015

AWG20

BLACK

UL1015

AWG20

WHITE

UL1015

AWG20

RED

UL1015

AWG14

BLACK

UL1015

AWG14

WHITE

UL1015

AWG14

BLACK

UL1015

AWG22

GREEN

UL1015

AWG16

GREEN

F200

25A

250V

F100

10A

250V

W18

W17

W19

W20

W21

BCN100

CT I N / OUT

CHOKE COIL

L=0.32mH 30A

EMI FILTER

ZCAT1518-0730

1 TURN

L1 L2

SERIAL

RED

CN800

B5 ( 7-2.3 ) B-XASK-1-A

WHITE

CN700

B05B-PL I SK-1

WHITE

CN500

2-1747052-3

BLUE

CN61

1971032-4

WHITE

CN62

1971032-3

WHITE

UL1015

AWG14

WHITE

UL1015

AWG14

VIOLET

W13

W12

UL1015

AWG14

YELLOW

UL1015

AWG14

BLUE

W28

W29

UL1015

AWG14

BROWN

UL1015

AWG14

ORANGE

UL1015

AWG14

RED

UL1015

AWG14

BLACK

TM102

TM101

W16

W17

TM301

TM302

W307

W306

TM305

TM304

TM303

UL1015

AWG14

BLACK

UL1015

AWG14

WHITE

UL1015

AWG14

RED

COMPRESSOR

C M

D100

D25XB60

I P M CONTROL

CN301

1971032-9

WHITE

PEAK LOAD CURRENT

CN303

1971032-5

WHITE

CN40

B09B-PLISK-1

WHITE

I P M CONTROL

CN42

B05B-PLIRK-1

RED

PEAK LOAD CURRENT

CN200

1-1747052-2

RED

DC VOLT I N

CN400

1-1971032-4

RED

ACTPM CONTROL

CN1

1871843-2

WHITE

POWER RELAY CONTROL

CN110

3-1747052-4

YELLOW

AC VOLT I N

TM601

86026

TM600

86026

CT I N / OUT

123456789 12345

987654321 54321

2 1

432 1

654321

212 1

RED

BLACK

WHITE

YELLOW

BROWN

RED

BLUE

ORANGE

YELLOW

WHITE

BLACK

UL1007 AWG24 WHITE

UL1015 AWG20 WHITE

UL1015 AWG20 BLACK

UL1007 AWG24 x 4

UL1007 AWG24 WHITE

UL1015 AWG20 BLACK

UL1007 AWG24 WHITE

UL1015 AWG14 BLACK

UL1015 AWG14 GRAY

UL1007 AWG24 WHITE

2 1

FRAME

DC FAN MOTOR

EXPANSION VALVE COIL

4-WAY VALVE COIL

*DC Resistance

2085

THERMISTOR ( PIPE TEMP. )

THERMISTOR ( DISCHARGE TEMP. )

THERMISTOR ( OUTDOOR TEMP. )

F M

EARTH

AC208 - 230V

60Hz

I NDOOR UNIT

EMI FILTER

ZCAT2132-1130

1 TURN

EMI FILTER

TRCB-25-15-12

8 TURNS

EMI FILTER

ZCAT1518-0730

1 TURN

CAPACITOR PCB

K05DG-0700HUD-P0

ACTPM

I C404

PM-601BSG

FILTER PCB

K05CW-1101HUE-FL0

TRANSISTOR PCB

( I P M )

K10AY-100AHUE-TR0

MAIN PCB

AOU18RLB : K07BS-1402HUE-C1

AOU24RLB : K07BS-1403HUE-C1

INVERTER ASSEMBLY

AOU18RLB : EZ-014LHUE

AOU24RLB : EZ-014MHUE

2014.10.14 6

BROWN

RED

ORANGE

YELLOW

EMI FILTER

ZCAT1518-0730

1 TURN

OUTDOOR PCB CIRCUIT DIAGRAM

DC340V

DC15V

DC12V

DC18V DC15V

AC208 - 230V

DC12V

TERMINAL

HP-T3036-9-L6S

(20 68 )

10% °

U-V

V-W

U-W

Winding Resistance

0.704 (20 68 )

CN800 DC FAN MOTOR

Pin No. Terminal

code

GND

Vcc

Vsp

Function of terminal

Revolution pulse output

Speed control voltage input

Control power voltage input

GND

Motor power voltage input

Lead wire

color

Red

Black

White

Yellow

Brown

1(Red) - 2(Blue)

1(Red) - 3(Orange)

1(Red) - 4(Yellow)

1(Red) - 5(White)

CN700 EXPANSION VALVE COIL

46.0

Recommended Drive Condition

Unipolar Drive, 1-2 Phase Excitation.

Coil resistance

(20 68 )

CN62

Thermistor Characteristics.

Thermistor

Thermistor ( Outdoor temp. ) 35.2 k 12.6 k 8.0 k

2.6 V 3.8 V 4.1 V

CN61

Thermistor Characteristics.

Thermistor

Thermistor ( Pipe temp. ) 16.1 k 6.0 k 3.8 k

1.1 V 2.2 V 2.8 V

Thermistor ( Discharge temp. ) 168.6 k 62.6 k 40.0 k

0.4 V 0.9 V 1.2 V

DC15V

(20 68 )

F(30 86 )

( 0 32 )

(20 68 )

F(30 86 )

( 0 32 )

If you use a wireless remote control, the lamp

on the photo detector unit will output error codes

by way of blinking patterns.

If you use a wired remote control, error

codes will appear on the remote control display.

See the lamp blinking patterns and error codes

in the table. An error display is displayed only

during operation.

Indoor unit lamps Wired

remote

control

INDOOR UNIT

and WIRED REMOTE CONTROL

ERROR DETECTION

Description

OPERATION

(green)

TIMER

(orange)

ECONOMY

(green)

(1) (1) Serial communication error

(1) (2) Wired remote control

communication error

(1) (5) Check run unfinished

(2) (1)

Unit number or Refrigerant circuit

address setting error

[Simultaneous Multi]

(2) (2) Indoor unit capacity error

(2) (3) Combination error

(2) (4)

Connection unit number•

error (indoor secondary unit)

[Simultaneous Multi]

Connection unit number error•

(indoor unit or branch unit)

[Flexible Multi]

(2) (7) Primary unit, secondary unit set-up

error [Simultaneous Multi]

(3) (2) Indoor unit PCB model

information error

(3) (5) Manual auto switch error

(4) (1) Inlet air temp. sensor error

(4) (2) Indoor unit Heat Ex. Middle

temp. sensor error

(5) (1) Indoor unit fan motor error

(5) (3) Drain pump error

(5) (7) Damper error

(5) (15) Indoor unit error

(6) (2)

Outdoor unit main PCB model

information error or

communication error

(6) (3) Inverter error

(6) (4) Active filter error, PFC circuit error

(6) (5) Trip terminal L error

: 0.5s on / 0.5s off

: 0.1s on / 0.1s off

( ) : Number of flashing

Troubleshooting with the wired remote control.

If an error occurs, the following display will be shown.

(“Er” will appear in the set room temperature display.)

Error code

EX. Self-diagnosis

2014.12.22 7

Indoor unit lamps Wired

remote

control

Description

OPERATION

(green)

TIMER

(orange)

ECONOMY

(green)

(6) (10) Display PCB microcomputers

communication error

(7) (1) Discharge temp. sensor error

(7) (2) Compressor temp. sensor error

(7) (3) Outdoor unit Heat Ex. liquid

temp. sensor error

(7) (4) Outdoor temp. sensor error

(7) (5) Suction Gas temp. sensor error

(7) (6) 2-way valve temp. sensor error•

3-way valve temp. sensor error•

(7) (7) Heat sink temp. sensor error

(8) (2)

Sub-cool Heat Ex. gas inlet•

temp. sensor error

Sub-cool Heat Ex. gas outlet•

temp. sensor error

(8) (3) Liquid pipe temp. sensor error

(8) (4) Current sensor error

(8) (6)

Discharge pressure sensor•

error

Suction pressure sensor error•

High pressure switch error•

(9) (4) Trip detection

(9) (5) Compressor rotor position

detection error (permanent stop)

(9) (7) Outdoor unit fan motor error

(9) (9) 4-way valve error

(10) (1) Discharge temp. error

(10) (3) Compressor temp. error

(10) (4) High pressure error

(10) (5) Low pressure error

(13) (2) Branch boxes error

[Flexible Multi]

INDOOR UNIT

PARTS

2014.10.29

5 Front Panel

Room Thermistor Holder

Air Filter7

Intake Grille Assy

Parts numberDescriptionRef

9314991080

9315252012

Screw Cap11 9309002074

Wire Clamper10 9315015013

9315014023

Grille Clamper9

8 Receiver Window

Bracket Panel

9315336163

9306755010

9315010018

9315023018

1 Remote Control 9379219013

Air Clean Filter Assy 93152120164

Remote Control Holder 9305642045

21 Control Box Cover

Fan Motor Assy

9314997020

28 9602784004

Control Box 931499602322

Motor Clamper 931501201227

Display Case 931499902425

23 Main PCB (ASU18) 9708540382

23 Main PCB (ASU24) 9708540399

Terminal

earth

990044701424

Indicator PCB 970721005726

92014.10.29

INDOOR UNIT

Parts numberDescriptionRef

29 Crossflow Fan Assy

30 Bearing C Assy

9315024015

9306628017

Other manuals for ASU18RLB

This manual suits for next models

Table of contents

Other Fujitsu Air Conditioner manuals

Fujitsu

Fujitsu ARY25FUAN User manual

Fujitsu

Fujitsu AUXG45LRLB User manual

Fujitsu

Fujitsu Airstage AOU36RLAVS User manual

Fujitsu

Fujitsu AS A007GCGH Series User manual

Fujitsu

Fujitsu AS*G07LECA Service manual

Fujitsu

Fujitsu AR 18LUAD Series Original operating manual

Fujitsu

Fujitsu AUXG36KRLB User manual

Fujitsu

Fujitsu AUT12 User manual

Fujitsu

Fujitsu ABU18RULX User manual

Fujitsu

Fujitsu ASG18UI-KM User manual

Fujitsu

Fujitsu AOG30KATA Series Original operating manual

Fujitsu

Fujitsu AB 14LBAJ Series Original operating manual

Fujitsu

Fujitsu Halcyon 18RLXFW1 User manual

Fujitsu

Fujitsu ASUH18LMAS Service manual

Fujitsu

Fujitsu Halcyon HFI Systems User manual

Fujitsu

Fujitsu ARY9LUAB User manual

Fujitsu

Fujitsu ARYG72LHTA Original operating manual

Fujitsu

Fujitsu AIRSTAGE AUXN009GLAH User manual

Fujitsu

Fujitsu Cassette AUXG22KRLB Service manual

Fujitsu

Fujitsu Airstage ASUA4TLAV2 User manual

Fujitsu

Fujitsu AirStage AB12 User manual

Fujitsu

Fujitsu ASBG18KMBA Service manual

Fujitsu

Fujitsu Super High Power Series Service manual

Fujitsu

Fujitsu AUY18L User manual

Popular Air Conditioner manuals by other brands

Spheros

Spheros CC 355 instructions

Bosch

Bosch Climate 5000 SCI 24 CAS/ OU- OUE owner's manual

Panasonic

Panasonic CS-E12HKEW operating instructions

nedis

nedis ACMB1WT7 quick start guide

Samsung

Samsung AR KV Series User & installation manual

Daikin

Daikin FCFV50A Operation manual

Toshiba

Toshiba RAS-M10SMUV-E installation manual

Daikin

Daikin FXLQ20MAVE Operation manual

Hitachi

Hitachi RAS-E24CAK instruction manual

CIAT

CIAT Magister 2 Series Installation, Operation, Commissioning, Maintenance

Bestron

Bestron AAC6000 instruction manual

Hisense

Hisense 7K Use and Installation Instructions

Frigidaire

Frigidaire FFRE0533S1E0 Use & care guide

Samsung

Samsung AS09HM3N user manual

Frigidaire

Frigidaire CRA073PU11 use & care

Soleus Air

Soleus Air GB-PAC-08E4 operating instructions

McQuay

McQuay MCK020A Technical manual

Webasto

Webasto Frigo Top 25 DS Instructions for use