Fujitsu ASU18RLF User manual

ROOM AIR CONDITIONER
FOR EXTRA LOW TEMP. DISTRICT
WALL MOUNTED TYPE
Indoor unit Outdoor unit
ASU18RLF
ASU24RLF
AOU18RLXFWH
AOU24RLXFWH
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . .1
DIMENSIONS. . . . . . . . . . . . . . . . . . . . . . . .2
REFRIGERANT SYSTEM DIAGRAM . . . . . 4
CIRCUIT DIAGRAM. . . . . . . . . . . . . . . . . . .5
ERROR DERECTION. . . . . . . . . . . . . . . . .
6PCB CIRCUIT DIAGRAM . . . . . . . . . . . . . .
8
PARTS (INDOOR UNIT) . . . . . . . . . . . . . . .9
PARTS (OUTDOOR UNIT) . . . . . . . . . . . . 15
19
ACCESSORIES. . . . . . . . . . . . . . . . . . . . .

SPECIFICATIONS
Type Extra low temp. heating
Indoor unit ASU18RLF
Outdoor unit AOU18RLXFWH
Capacity
COOLING
Capacity
HEATING
Power supply
Operating current
Operating current
Max ope. current
Max ope. current
Power consumption
Power consumption
EER
COP
Dehumidification
FAN MOTOR AND FAN REVOLUTION
High
Indoor unit
Cooling
Medium
Low
Quiet
High
Indoor unit
Heating
Medium
Low
Quiet
Outdoor unit Heating
Outdoor unit Cooling
18,000 Btu/h
21,600 Btu/h
Single phase 208/230V 60Hz
6.2 A
7.8 A
1.35 kW
1.75 kW
13.3 Btu/hW
12.3 Btu/hW
541 CFM 920 m3/h
541 CFM 920 m3/h
13.5 A
14.5 A
ASU24RLF
AOU24RLXFWH
22,000 Btu/h
25,200 Btu/h
7.9 A
8.6 A
1.76 kW
1.94 kW
12.5 Btu/hW
13.0 Btu/hW
6.3 Pts/h 3.0 L/h
677 CFM 1,150 m3/h
435 CFM 740 m3/h 530 CFM 900 m3/h
365 CFM 620 m3/h 435 CFM 740 m3/h
318 CFM 540 m3/h 365 CFM 620 m3/h
1,489 CFM 2,530 m3/h2,001 CFM 3,400 m3/h
1,489 CFM 2,530 m3/h
2,119 CFM 3,600 m3/h
659 CFM 1,120 m3/h
435 CFM 740 m3/h 530 CFM 900 m3/h
365 CFM 620 m3/h 435 CFM 740 m3/h
306 CFM 520 m3/h 365 CFM 620 m3/h
15.0 A
15.5 A
1,260 rpm
1,020 rpm
900 rpm
770 rpm
1,260 rpm
1,020 rpm
900 rpm
790 rpm
620 rpm
620 rpm
OU Discrimination
IU Discrimination
MFE-60TVT
MFD-50RON
1,480 rpm
1,220 rpm
1,020 rpm
900 rpm
1,430 rpm
1,220 rpm
1,020 rpm
900 rpm
850 rpm
800 rpm
ELECTRICAL DATA
2016.03.28 1
High
Medium
Low
Quiet
Indoor unit
Cooling
High
Medium
Low
Quiet
Indoor unit
Heating
Outdoor unit Heating
NOISE LEVEL
Outdoor unit Cooling
43 dB
37 dB
33 dB
28 dB
44 dB
37 dB
33 dB
28 dB
50 dB
47 dB
49 dB
42 dB
37 dB
33 dB
49 dB
42 dB
37 dB
33 dB
55 dB
54 dB
Compressor type
Hermetic type, 6 pole, Single phase,
DC inverter motor, Rotary
Discrimination
Precharged refrigerant
Refrigerant type R410A
Weight (with oil)
COMPRESSOR AND REFRIGERANT
pipe length 66 ft. 20 m
Full
charge
164 ft. 50 m
Maximum piping height
98 feet 30 m
Additional charge 0.43 oz/ft 40 g/m
WEIGHT
IU Net / Shipping
Net / Shipping
OU
Indoor unit
H x W x D
H x W x D
Outdoor unit
135 lbs / 150 lbs 61 kg / 68 kg
DIMENSIONS
AIR CIRCULATION
High
Indoor unit
Cooling
Medium
Low
Quiet
High
Indoor unit
Heating
Medium
Low
Quiet
Outdoor unit Heating
Outdoor unit Cooling
12-5/8 x 39-1/4 x 9 inch
320 x 998 x 228 mm
31 lbs / 40 lbs 14 kg / 18 kg
32-3/4 x 35-3/8 x 13 inch
830 x 900 x 330 mm
5.9 Pts/h 2.8 L/h
N-TF30ND1A
4 lbs 10 oz 2,100 g
34.2 lbs 15.3 kg
4 lbs 10 oz 2,100 g
98 ft. 30 m 5 lbs 8 oz 2,500 g
131 ft. 40 m 6 lbs 6 oz 2,900 g
7 lbs 4 oz 3,300 g

DIMENSIONS
Unit : inch (mm)
Drain pipe diameter
Inside : 5/8 inch (16 mm)
Outside : 1-3/32 inch (28 mm)
Liquid pipe diameter : 3/8 inch (9.52 mm)
Gas pipe diameter : 5/8 inch (15.88 mm)
INDOOR UNIT
39-1/4" (998) 9" (228)
12-5/8"
(320)
2010.02.26 2

Unit : inch (mm)
OUTDOOR UNIT 3"(77)
35-1/2" (900)
32-3/4" (830)
17-3/8" (440)
7/8" (21)
3/8" (9)
15-3/4" (400)
13" (330)
1-1/4"
(31)
1/2"
(12)
14-5/8" (370)
25-5/8" (650)
2010.02.26 3

REFRIGERANT
SYSTEM DIAGRAM
3-Way valve
(Small)
3-Way valve
(Large)
Strainer
Strainer
Muffler
Pressure
switch
4-Way valve
Expansion
valve
Heat exchanger
( INDOOR )
Heat exchanger
( OUTDOOR )
Sub-accumulator
Compressor
Refrigerant pipe diameter
Liquid : 3/8" (9.52 mm)
Gas : 5/8" (15.88 mm)
Cooling flow
Heating flow
2010.02.26 4

Main PCB
ACTPM
Transistor PCB
( I P M )
Filter PCB
CN100
Black
W29
W28
W25
W26
W21
W9
W20
W19
W3
W18
W17
W2
W1
1 2
White White Gray or White Black Black
White White
Violet
White
Blue
Yellow
Black
Red
Brown
Orange
Red
White
Black
S
R
T
Orange
Orange
White White
Black
White White White White White White White White White White White White White White White Black Brown Red Orange Yellow
Brown
Brown
Red
Red
Blue
Blue
Black
Black
Brown
Brown
Black
Black
White
Yellow
Orange
Blue
Red
Brown
Yellow
White
Black
Red
Red
Green
White
Black
White
Black
123456789
123456 7 89
12345
12345
12345
12345
123456789
123456789
12
12
1234
1234
123456
123456
12
12
12
12
1
2
1
2
1
2
3
4
5
6
7
CN800
CN500
1
2
3
4
5
6
7
1
2
3
4
5
1
2
3
4
5
1
2
1
2
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
1
2
CN11
CN301CN303
CN700
CN63
CN65
CN62
CN64
CN90
CN112
TM600 TM601
CN1 CN110
L2 L1
N
P
+IN
-IN
W8
W13
W7
W12
CN400CN200CN40CN42
TM302
TM301
W17
W16
TM102
TM101
TM303
W
TM304
V
TM305
U
W306
W307
W4
Terminal
G
G
1 2 3 L1L2
Power source
Posistor
Compressor
CM
High pressure switch
Thermistor ( Compressor temp. )
Thermistor ( Outdoor temp. )
Thermistor ( Pipe temp. )
Thermistor ( Discharge pipe )
4-Way valve coil
Expansion
valve coil
Fan motorFM
PMV
4WV
Heater
Fuse 5A 250V
Thermostat ( 55 [ 131 F ] )
Capacitor PCB
Choke coil
7
6
5
4
3
2
1
7
6
5
4
3
2
1
7
6
5
4
3
2
1
5
4
3
2
1
3
2
1
3
2
1
2
1
2
1
2
1
3
2
1
5
4
3
2
1
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
5
43
2
1
1
2
3
4
5
6
1
2
3
4
5
6
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
Black
Black
Black
White
White
White
White
White
White
Red
Black
White
Red
FM
Test
Fan motor
M Diffuser
M Louver
( Up / Down )
M Louver
( Right / Left )
G
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
OUTDOOR UNITINDOOR UNIT
CIRCUIT DIAGRAM
2016.03.28 5
AOU24RLXFWH Only

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
UL1061 AWG26 x 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
L
N
SERIAL
E
1
2
3
M
M
M
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. I N
CN201
07 JB20/PAP
1061 L230
WHITE
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
1
2
1
2
1
2
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
6
1
2
3
4
5
6
6
5
4
3
2
1
CN11
B07B-PASK-1
WHITE
CN14
B3B-XH-AM
WHITE
CN16
B2B-XH-AM
WHITE
CN3
02/03 JC25/XARR
1007 L60
WHITE
CN1
150-103-86172
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
E
W5
GREEN
EARTH
TM2
22007
RED
SERIAL I N
TM1
22007
WHITE
N I N
TM4
22007
BLACK
L I N
INDICATOR PCB
K05CY-0902HSE-D0
WIRED REMOTE CONTROL
( OPTION )
TO OUTDOOR UNIT
MAIN PCB
ASU18RLF : K09DR-1403HSE-C1
ASU24RLF : K09DR-1404HSE-C1
UL1015
AWG22
GREEN
EMI FILTER
ESD-R19
4 TURNS
CONTROL UNIT
ASU18RLF : EZ-0090DHSE
: EZ-0104HSE
2016.01.26 6
CN3
Thermistor Characteristics.
Thermistor ( Pipe temp. ) 176.0 k 62.9 k 39.6 k
1.1 V 2.2 V 2.8 V
(20 68 )
°
F(30 86 )
°
F
( 0 32 )
°
F
Thermistor
Temperature
CN1
Thermistor Characteristics.
Thermistor ( Room temp. ) 33.6 k 12.5 k 8.0 k
1.1 V 2.2 V 2.8 V
(20 68 )
°
F(30 86 )
°
F
( 0 32 )
°
F
Thermistor
Temperature
DC15V
DC340V
DC12V
DC12V
DC12V
DC12V
DC5V
DC5V
DC5V
CN10 DC Fan motor
6
5
4
3
2
1
Pin No. Terminal
code
Vm
GND
Vcc
Vsp
PG
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
ASU24RLF
PCB CIRCUIT DIAGRAM

UL3271 AWG14 x 3
RED
WHITE
BLACK
COMPRESSOR
EMI FILTER
ZCAT2132-1130
1 T
98 7 6 5 43 2 1543 2 11 2
43 2 1
212 1
12 3 4 5 67 8 912 3 4 5
21UL3271
AWG20
ORANGE
UL3271
AWG20
ORANGE
UL1015
AWG14
BLACK
UL1015
AWG14
BLACK
UL1015
AWG14
WHITE
UL1015
AWG20
BLACK
UL1015
AWG20
WHITE
UL3271
AWG20
RED
UL3271
AWG16
GREEN
UL3271
AWG14
WHITE
UL3271
AWG14
WHITE
UL1015
AWG14
WHITE
UL1015
AWG14
VIOLET
UL1015
AWG14
YELLOW
UL1015
AWG14
BLUE
UL1015
AWG14
BLACK
UL1015
AWG14
RED
6 5 43 2 1
EMI FILTER
ZCAT1518-0730
1 T
EMI FILTER
ZCAT1518-0730
2 T
EMI FILTER
ZCAT1518-0730
1 T
EMI FILTER
ZCAT1518-0730
1 T
EMI FILTER
ZCAT2132-1130
1 T
EMI FILTER
ZCAT2132-1130
2 T
EMI FILTER
ZCA2132-1130
2 T
UL1015
AWG14
ORANGE
UL1015
AWG14
BROWN
1
2
3
4
5
6
1
2
3
4
5
1
2
1
2
1
2
3
1
2
3
1
2
3
1
2
3
UL1007 AWG24 x 5
WHITE
UL1007 AWG24 x 9
WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE
WHITE
UL1015 AWG20 x 2
UL1007 AWG24 x 4
BLACK
YELLOW ORANGE RED BROWN
UL1430 AWG24 x 2
WHITE
BLACK
GRAY or WHITE BLACK
UL3271 AWG14 x 2 UL3271 AWG20 x 2
BLACK
WHITE
RED
BLUE
ORANGE
YELLOW
WHITE
BLACK
BLACK
RED
RED
BROWN
BROWN
BLUE
BROWN
BROWN
BLUE
BLACK
BLACK
2
3
1
4
+
-
D100
D25XB60
TM101
TM102
W12
B
W13
B
W8
B
W7
B
W17
B
W16
B
TM301
TM302
W306
B
W307
B
TM305
U
TM303
W
TM304
V
CN40
1971032-9
WHITE
I P M CONTROL
CN42
1971032-5
WHITE
REVERSE CURRENT
CN200
1-1747052-2
RED
VDC I N
CN400
1-1971032-4
RED
ACTPM CONTROL
CN1
1871843-2
WHITE
POWER RELAY CONTROL
CN110
3-1747052-4
YELLOW
VAC I N 1
TM601 TM600
REVERSE CURRENT
CN303
1971032-5
WHITE
I P M CONTROL
CN301
1971032-9
WHITE
CN800
B5 ( 7-2.3 ) B-XASK-1-A
WHITE
CN700
B05B-PLISK-1
WHITE
CN500
1747052-1
WHITE
CN90
1-1871843-2
RED
CN64
2-1971032-3
BLUE
CN62
1971032-3
WHITE
CN63
3-1971032-3
YELLOW
CN65
1-1971032-3
RED
L1 L2
P
N1
+
-
W19
B
W20
B
CT I N / OUT
W9
B
W21
BCN100 W25
B
W26
B
W29
B
W28
B
PTC THERMISTOR
( AOU24RLXFWH Only )
ZPR0YCE400A300
W3
B
W18
B
W17
B
W1
B
W2
B
EARTH
1
2
3
L
N
POWER SOURCE
AC208 - 230V
60Hz
TO I NDOOR UNIT
M
DC FAN MOTOR
EXPANSION VALVE COIL
4-WAY VALVE COIL
PRESSURE SWITCH
THERMISTOR ( COMPRESSOR TEMP. )
THERMISTOR ( OUTDOOR TEMP. )
THERMISTOR ( DISCHARGE TEMP. )
THERMISTOR ( PIPE TEMP. )
C. M.
CHOKE COIL
L=0.32MH 30A
CAPACITOR PCB
K05FB-0903HUE-P0
( AOU24RLXFW1 Only )
TRANSISTOR PCB
( I P M )
AOU18RLXFWH : K07BT-0905HUE-TR0
AOU24RLXFWH : K07BT-0906HUE-TR0
I C404
( ACTPM )
FILTER PCB
AOU18RLXFWH : K09DH-1001HUE-FL0
AOU24RLXFWH : K09DH-1002HUE-FL0
MAI PCB
AOU18RLXFW1 : K07BS-1501HUE-C1
AOU24RLXFW1 : K07BS-1502HUE-C1
RED
BLACK
WHITE
YELLOW
BROWN
F. M.
7
INVERTER ASSEMBLY
AOU18RLXFWH : EZ-0150THUE
AOU24RLXFWH : EZ-0150WHUE
2016.01.29 7
TERMINAL
HP-T3061-3-5P
AC208 - 230V ( ON )
U-V
V-W
U-W
Compressor
Winding Resistance
0.642
(20 68 )
°
F
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 )
°
F
DC15V
DC18V
DC12V
DC340V
DC15V
DC12V
DC15V
Thermistor Characteristics.
Thermistor
Thermistor ( Compressor. temp. )
CN64
CN65 Thermistor ( Pipe temp. )
Thermistor ( Discharge temp. )
CN63
Thermistor ( Outdoor temp. )
CN62
16.1 k 6.0 k 3.8 k
1.9 V 3.1 V 3.6 V
168.6 k 62.6 k 40.0 k
0.4 V 0.9 V 1.2 V
35.2 k 12.6 k 8.0 k
2.6 V 3.8 V 4.1 V
175.7 k 64.5 k 41.1 k
0.3 V 0.8 V 1.2 V
(20 68 )
°
F(30 86 )
°
F
( 0 32 )
°
F
W4
B
SERIAL
RED
5A
250V
CN112
1747052-1
BLUE
BLACK
WHITE
BASE HEATER
1
2

2016.01.07
ERROR DETECTION
8
If you use a wired type remote control,
error codes will appear on the remote control display.
If you use a wireless remote control,
the lamp on the photodetector unit will output error
codes by way of blinking patterns.
See the lamp blinking patterns and error codes in the table below.
An error display is displayed only during operation.
Error display Wired
remote
control
Error code
krameRNOITPIRCSEDedoM
OPERATION
lamp
(green)
TIMER
lamp
(orange)
ECONOMY
lamp
(green)
(1) (1) Communication Serial communication error •
When the indoor unit cannot receive the signal from the branch unit
• When the branch unit cannot receive the signal from the indoor unit
(1) (2) Communication
Remote control
communication error
•Wired remote control communication error
(1) (5) Communication Scan error
• Check operation incompletion error (normally, operation disabled)
(2) (1) Function setting Initial setting error
•Wiring mistake
(2) (2) Function setting Indoor unit capacity error
•Indoor unit capacity error
(2) (3) Function setting Connection disabled (series error)
•Combination error
(2) (4) Function setting Connection unit number error
•Connection unit number error (indoor unit)
•Connection unit number error (branch unit)
(3) (2) Indoor unit Indoor unit main PCB error
•Indoor unit PCB Model information error
(3) (5) Indoor unit Manual auto switch error
•Manual auto switch error
(4) (1) Indoor unit Room error
•Inlet thermistor error
(4) (2) Indoor unit Indoor unit Heat Ex. sensor error
•Indoor unit Heat Ex. Middle thermistor error
(5) (1) Indoor unit Indoor unit fan motor error
•Main fan motor lock error
•Main fan motor revolution speed error
(5) (3) Indoor unit Water Drain error
•Drain pump error
(5) (15) Indoor unit Indoor unit error
•Indoor unit error
(6) (2) Outdoor unit Outdoor unit main PCB error
•Outdoor unit PCB Model information error
•Outdoor unit PCB microcomputer communication error
(6) (3) Outdoor unit Inverter PCB error
•Inverter error
(6) (4) Outdoor unit Active filter error,
PFC circuit error
•Voltage error stoppage permanently
•Voltage error (can restore)
•Over current protected operation stoppage permanently
•PFC hardware error
(6) (5) Outdoor unit IPM error
•Trip terminal L error
(6) (10) Outdoor unit Display panel error
•Microcomputers communication error
(7) (1) Outdoor unit Discharge thermistor error
•Discharge thermistor 1 error
(7) (2) Outdoor unit Compressor thermistor error
•Compressor thermistor 1 error
(7) (3) Outdoor unit Outdoor unit Heat Ex.
Sensor error
•Outdoor unit Heat Ex. liquid thermistor error
(7) (4) Outdoor unit Outdoor thermistor error
•Outdoor thermistor error
(7) (5) Outdoor unit Suction Gas thermistor error
•Suction Gas thermistor error
(7) (7) Outdoor unit Heat sink thermistor error
•Heat sink thermistor error
(8) (2) Outdoor unit Sub-cool Heat Ex. gas
thermistor error
•Sub-cool Heat Ex. gas inlet thermistor error
•Sub-cool Heat Ex. gas outlet thermistor error
(8) (3) Outdoor unit Liquid pipe thermistor error
•Liquid pipe thermistor 1 error
(8) (4) Outdoor unit Current sensor error
•Current sensor 1 error (stoppage permanently)
(8) (6) Outdoor unit Pressure sensor error
•Discharge pressure sensor error
•Suction pressure sensor error
•High pressure switch 1 error
(9) (4) Outdoor unit Trip detection
•Trip detection
(9) (5) Outdoor unit compressor motor control error
•Rotor position detection error (stoppage permanently)
(9) (7) Outdoor unit Outdoor unit fan motor 1 error
•Duty error
(9) (9) Outdoor unit 4-way valve error
•4-way valve error
(10) (1) Refrigerant system Discharge temperature 1 error
•Discharge temperature 1 error
(10) (3) Refrigerant system Compressor temperature error
•Compressor 1 temperature error
(10) (5) Refrigerant system Pressure error 2
•Low pressure error
(13) (2) Branch box Unit flow divider error
•EEPROM access error
•Equipment type information error
•Serial communication error to outdoor unit
•Branch units serial communication error
•Serial communication error to indoor unit
•Liquid pipe thermistor error
•Gas pipe thermistor error
•Expansion valve full closure operation error
•Remote controller communication error
•Branch unit error
• Display mode : 0.5s ON / 0.5s OFF, ( ) : Number of flashing : 0.1s ON / 0.1s OFF
Wired remote control display (Option)
Error code

9 2016.01.07
INDOOR UNIT
ASU18RLF
ASU24RLF
PARTS
3 Bracket Panel
Wire Clamper6
Parts numberDescriptionRef
9315023018
9315015013
Screw Cap5
Air Clean Filter Assy
9309002074
9315212016
1 Remote Control 9379219013
2
4
Remote Control Holder 9305642045
3
6
5
1
2
4

INDOOR UNIT
ASU18RLF
ASU24RLF
102016.01.07
11 Front Panel
Air Filter13
Intake Grille Assy
Parts numberDescriptionRef
9314991080
9315014023
12
Grille Clamper15
14 Receiver Window
9315336163
9306755010
9315010018
14
11
13
15
12

23 Main PCB (ASU18RLF)
Control Cover
9708540368
23
Main PCB (ASU24RLF) 9708540375
931499702021
Control Box22 9314996023
Terminal 990044701424
Indicator PCB 970721005726
Display Case 931499902425
Room Thermistor Holder 931525201227 11 2016.01.06
INDOOR UNIT
ASU18RLF
ASU24RLF
Parts numberDescriptionRef
22
24
21
23
25
27
26

Fan Motor
Motor Clamper40 9315012012
Bush B32 9312156016
Motor Step (Red)
41
33
34
35
Motor Step (Green)
Motor Step (Blue)
9602784004
Motor Case31 9314998027
9900384029
9900384036
9900139063
Link Holder37
38
39
Link A
Joint A
9315007018
9315008015
9315005014
Gear A 930999400336
12 2016.01.07
INDOOR UNIT
ASU18RLF
ASU24RLF
Parts numberDescriptionRef
40
41
31
32
35
33
34
36
39
37
38

Evaporator Total Assy (24)53
55 Casing Assy 9315331045
132016.01.06
INDOOR UNIT
ASU18RLF
ASU24RLF
Parts numberDescriptionRef
51 Crossflow Fan Assy
52 Bearing C Assy
9315024015
9306628017
52
51
55
53
54
54 Pipe Thermistor 9900551018
9315338174
Evaporator Total Assy (18)53 9315338181

66
63
64
67
62
73
74
65
72
76
75
61
70
78
68
69
71
Parts numberDescriptionRef
61
Casing Cover B63
Casing Cover L64
Casing Cover R62
Casing Cover F65
Drain Cap
9315016010
9315017017
9315018014
9315019011
9367677009
Bush B72
Spacer D76
R and L Louver75
9312156016
9315282019
9311997016
66
Drain Hose Assy 931576901567
Casing 9314993015
Louver U (Upper)68
Louver Z (Lower)69
Diffuser U
9315000026
9315001023
931500202070
Diffuser Z 9315003027
Piller A 9315009012
Joint B 9315006011
71
74
73
Fan Guard 930575105179
Fan Guard Holder Right 931581401277
Fan Guard Holder Left 931581501978
79
77
142016.01.07
INDOOR UNIT
ASU18RLF
ASU24RLF
Casing assy

OUTDOOR UNIT
AOU18RLXFWH
AOU24RLXFWH
PARTS
2016.03.08 15
7
2
1
8
6
5
4
3
3 Top Panel Sub Assy 9374417032
4 Front Panel Sub Assy 9374414079
1 Protective Net 9375381011
5 Service Panel Sub Assy 9374415052
7 Right Panel Sub Assy 9374416134
6 Emblem Rear 9351355005
8 Valve Cover 9374174010
2 Thermo Holder 9375211011
Ref. Part numberDescription

OUTDOOR UNIT
AOU18RLXFWH
AOU24RLXFWH
2016.03.08 16
13
14
15
14 Filter PCB (AOU24RLXFWH) 9708513072
11 Propeller Fan Assy 9366378020
13 Terminal
Cover plate
9900203023
12 Fan Motor 9602843015
14 Filter PCB (AOU18RLXFWH) 9708513065
16 Heater Unit Assy 9900888015
15 Main PCB (AOU24RLXFWH) 9708511771
15 Main PCB (AOU18RLXFWH) 9708511764
Ref. Part numberDescription
12
16
11

OUTDOOR UNIT
AOU18RLXFWH
AOU24RLXFWH
2016.03.08 17
27
30
26
25
29
28
29 ACTPM 9707592016
30 Heatsink 9378530010
25 PTC Thermistor (AOU24) 9704265012
26 Capacitor PCB (AOU18) 9709894033
26 Capacitor PCB (AOU24) 9709894040
28 Transistor PCB (AOU24) 9708512181
28 Transistor PCB (AOU18) 9708512174
27 Choke Coil 9900223014
Valve plate
21 Discharge Thermistor 9900461003
22 Outdoor Thermistor 9900463007
23 Compressor Thermistor 9900466015
24
Heat Exchanger Thermistor 9900514013
Ref. Part numberDescription
22 23 24
21
Connector
: Blue
Connector : Orange
Connector : Green
Connector
: Red

OUTDOOR UNIT
AOU18RLXFWH
AOU24RLXFWH
2016.03.08 18
35
33
34
39
31
36
32
37
38
Ref.
34 3-way Valve Assy 9377958013
39 3-way Valve Sub Assy 9374470044
36 Compressor 9810135001
35 Accumulator Sub Assy 9374426133
38 4-way Valve Assy 9374425198
37 Solenoid 9970055034
31 Condenser A Sub Assy 9374420308
33 Expansion Valve Assy 9370947144
32 Expansion Valve Coil 9970095030
Part numberDescription

ACCESSORIES
Remote control holder
9305642045
1 piece
Electric filter
9312153060
Ion deodorant filter
9311925071
Remote control
9379219013
1 piece
Battery (penlight)
0600185541
2 pieces shrink pack
Cloth tape
9310519004
1 piece
Tapping screw (big)
M4x 25mm
0700076046
8 pieces
Wall hook bracket
9315023018
1 piece
Tapping screw (small)
0700019036
2 pieces
Air cleaning filter
Adapter G assy
1/2 in. (12.70 mm)
-> 5/8 in. (15.88 mm)
9374749034
1 piece
Adapter E assy
1/4 in. (6.35 mm)
-> 3/8 in. (9.52 mm)
9374749010
1 piece
Air cleaning filter frame
9368568009
2 pieces
OUTDOOR UNITINDOOR UNIT
2016.03.08 19
Drain hose insulation
9361756007
1 piece
(AOU18RLXFW1 only)
Adapter is necessary in the
connection of the indoor unit.
For more information, refer
to the installation manual
included with the indoor unit.