Fujitsu AR 18LUAD Series Original operating manual

SPLIT TYPE
ROOM AIR CONDITIONER
DUCT type
Models Indoor unit Outdoor unit
AR*18LUAD
AR*24LUAN
AR*30LUAN
AR*36LUAN
AR*45LUAN
AR*45LUAK
AR*54LUAK
AO*18LMAKL
AO*24LMAKL
AO*30LMAWL
AO*36LMAWL
AO*45LJBYL
AO*45LJAYL
AO*54LJAYL
INVERTER
SERVICE
INSTRUCTION
R410A

CONTENTS
1. SPECIFICATIONS
SPECIFICATIONS.......................................................................................................... 01-01
2. DIMENSIONS
DIMENSIONS.................................................................................................................. 02-01
3. REFRIGERANT SYSTEM DIAGRAM
REFRIGERANT CIRCUIT............................................................................................... 03-01
4. CIRCUIT DIAGRAM
CIRCUIT DIAGRAM........................................................................................................ 04-01
5. DESCRIPTION OF EACH CONTROL OPERATION
5-1-1 COOLING CAPACITY CONTROL......................................................................
5-1 COOLING OPERATION............................................................................................
5-4 AUTO CHANGEOVER OPERATION........................................................................
5-5 INDOOR FAN CONTROL.........................................................................................
5-6 OUTDOOR FAN CONTROL......................................................................................
05-01
05-01
5-2-1 HEATING CAPACITY CONTROL......................................................................
5-2 HEATING OPERATION............................................................................................. 05-02
05-02
5-3-1 INDOOR UNIT CONTROL.................................................................................
5-3 DRY OPERATION...................................................................................................... 05-03
05-03
05-04
05-05
05-07
5-7 COMPRESSOR CONTROL...................................................................................... 05-08
5-8 TIMER OPERATION CONTROL............................................................................... 05-10
5-9 ELECTRONIC EXPANSION VALVE CONTROL.................................................... 05-12
5-10 TEST OPERATION CONTROL............................................................................... 05-12
5-11 PREVENT TO START FOR 3 MINUTES (3 MINUTES ST).................................... 05-12
5-12 4-WAY VALVE EXTENSION SELECT.................................................................... 05-12
5-13 AUTO RESTART..................................................................................................... 05-12
5-14 PUMP DOWN (For AR*30/ 36/ 45LUAN/ 45/ 54LUAK).......................................... 05-13
5-15 COMPRESSOR PREHEATING............................................................................... 05-13
5-17 EXTERNAL ELECTRICAL HEATER CONTROL.................................................... 05-13
5-16 FRESH AIR CONTROL........................................................................................... 05-13
5-19 ENERGY SAVE FUNCTION.................................................................................... 05-17
5-20 VARIOUS PROTECTIONS...................................................................................... 05-18
5-18 DEFROST OPERATION CONTROL....................................................................... 05-14

6. REFRIGERANT CAUTION -R410A-
6-1 R410A TOOLS............................................................................................................ 06-01
6-2 PRECAUTION FOR INSTALLATION......................................................................... 06-02
6-3 PRECAUTION FOR SERVICING............................................................................... 06-04
6-4 NEW REFRIGERANT R410A..................................................................................... 06-05
6-5 DEFFERENCE FROM CONVENTIONAL MODEL (R22) AND PRECAUTIONS....... 06-08
8. APPENDING DATA
9. INSTALLATION MANUAL
8-1 CAPACITY TABLE..................................................................................................... 08-01
8-2 OPERATION RANGE................................................................................................. 08-05
8-3 ELECTRIC CHARACTERISTICS............................................................................... 08-06
8-4 SAFETY DEVICE........................................................................................................ 08-08
8-5 FUNCTION SETTING................................................................................................. 08-10
7-1-2 OUTDOOR UNIT DISPLAY................................................................................
7-1-1 WIRED REMOTE CONTROLLER DISPLAY......................................................
7-1 ERROR DISPLAY......................................................................................................
7. TROUBLE SHOOTING
7-2 TROUBLE SHOOTING WITH ERROR CODE..........................................................
7-3 TROUBLE SHOOTING WITH NO ERROR CODE....................................................
7-4 SERVICE PARTS INFORMATION............................................................................
07-01
07-01
8-5-1 INDOOR UNIT (AR*18LUAD)............................................................................. 08-10
8-5-2 INDOOR UNIT (AR*24LUAN)............................................................................. 08-13
08-22
08-24
8-5-3 INDOOR UNIT (AR*30/ 36/ 45LUAN)................................................................. 08-16
8-5-4 INDOOR UNIT (AR*45/ 54LUAK).......................................................................
8-5-5 OUTDOOR UNIT (AO*30/ 36LMAWL/ 45/ 54LJ*YL).........................................
8-5-6 WIRED REMOTE CONTROLLER......................................................................
08-19
07-03
07-23
07-04
07-28

1-1-1 PARTS LAYOUT DRAWING...............................................................................
1-1-2 WIRING................................................................................................................
1-1-3 DISASSEMBLY PROCESS.................................................................................
1-1 For AOU18/ 24LMAKL............................................................................................
1 REPLACEMENT PARTS ( For OUTDOOR UNIT ).......................................................
10. REPLACEMENT PARTS
10-01
10-01
10-01
10-04
10-03
2-1 PARTS LAYOUT DRAWING (For AR*18LUAD).....................................................
2 REPLACEMENT PARTS ( For INDOOR UNIT )........................................................... 10-36
10-36
2-2 PARTS LAYOUT DRAWING (For AR*24/ 30/ 36/ 45LUAN)................................... 10-41
2-3 PARTS LAYOUT DRAWING (For AR*45/ 54LUAK)............................................... 10-47
1-2-1 PARTS LAYOUT DRAWING...............................................................................
1-2-2 WIRING................................................................................................................
1-2-3 DISASSEMBLY PROCESS.................................................................................
1-2-4 ASSEMBLY PROCESS of INVERTER UNIT......................................................
1-2 For AO*30/ 36LMAWL............................................................................................. 10-08
10-08
10-11
10-10
10-16
1-3-1 PARTS LAYOUT DRAWING...............................................................................
1-3-2 WIRING................................................................................................................
1-3-3 DISASSEMBLY PROCESS.................................................................................
1-3-4 ASSEMBLY PROCESS of INVERTER UNIT......................................................
1-3 For AO*45LJ*YL/ 54LJAYL..................................................................................... 10-21
10-21
10-25
10-23
10-31

1 . SPECIFICATIONS
R410A
DUCT type
INVERTER

01-01
1. SPECIFICATIONS
AR 18LUAD AR 24LUAN
AO 18LMAKL AO 24LMAKL
B C
kW 5.20 / 5.90 7.10 / 8.00
BTU/h 17800 / 20100 24200 / 27300
kW 6.20 / 7.50 8.00 / 9.00
BTU/h 21200 / 25600 27300 / 30700
COOLING RATED / MAX 1.70 / 1.99 2.53 / 2.96
HEATING RATED / MAX 1.90 / 2.40 2.43 / 2.93
COOLING RATED / MAX 7.4 / 8.8 11.1 / 12.9
HEATING RATED / MAX 8.3 / 10.5 10.6 / 12.8
A 10 10
EER 3.06 2.81
COP 3.26 3.29
l/h (pints/h) 1.7 (3.6) 1.5 (3.2)
High 800 1490
Med 640 1340
Low 500 1200
High 2800 2800
Low - -
High 1040 980
Med 890 890
Low 750 810
High 780 780
Low 400 400
Pa 0 to 40 30 to 150
INDOOR Sirocco x 2 Sirocco x 2
OUTDOOR Propeller x 1 Propeller x 1
INDOOR 45 70
OUTDOOR 65 65
High 38.0 / 38.0 34.0 / 34.0
Med 34.0 / 34.0 32.0 / 32.0
Low 30.0 / 30.0 29.0 / 29.0
50.0/52.0 52.0 / 54.0
OUTPUT W 1300 1300
Hydrophilic coating Hydrophilic coating
Rows x Stages mm 3 x 14 2 x 14
Fin Pitch 1.3 1.3
Coil Dimensions mm 294 x 700 x 39.9 294 x 1000 x 26.6
Hydrophilic coating Hydrophilic coating
Rows x Stages mm 2 x 30 2 x 30
Fin Pitch 1.45 1.45
Coil Dimensions mm 630 x 901 x 36.38 630 x 901 x 36.38
INDOOR
OUTDOOR
INDOOR 217 × 953 × 595 270 × 1135 × 700
OUTDOOR 650 x 830 x 320 650 x 830 x 320
INDOOR 324 × 1075 × 686 300 × 1300 × 790
OUTDOOR 743 x 984 x 413 743 x 984 x 413
INDOOR 25 / 29 (55 / 64) 41 / 48 (90 /106)
OUTDOOR 54 / 58 (119 / 128) 54 / 58 (119 / 128)
LIQUID
6.35(1/4 inc.) 9.52(3/8 inc.)
GAS
12.7(1/2 inc.) 15.88(5/8 inc.)
m 25 25
m 15 15
CHARGE kg 1500 1800
COOLING
HEATING
WIRED (AR-3TA1) WIRED (AR-3TA1)
ABS Steel
mm
Outer diameter 26.0
Inner diameter 21.5
Outer diameter 38.0
Inner diameter 36.0
Note: Specifications are based on the following conditions.
Cooling: Indoor temperature of 27 °CDB / 19 °CWB,and outdoor temperature of 35 °CDB/24 °CWB.
Heating: Indoor temperature of 20 °CDB / 15 °CWB,and outdoor temperature of 7 °CDB/6 °CWB.
Standard static pressure : 0 Pa.(AR*18LUAD) 30Pa(AR*24LUAN)
Pipe length : 7.5 m, Height difference : 0 m.(Outdoor unit - Indoor unit)
TYPE
DUCTED MODELS
INVERTER HEAT PUMP TYPE
MODEL NAME
INDOOR
OUTDOOR
POWER SOURCE
230V 50Hz
CAPACITY
COOLING
RATED / MAX
HEATING
RATED / MAX
AVAILABLE VOLTAGE RANGE
EUROPAN ENERGY LABEL
198-264V
FAN MOTOR OUTPUT
W
INPUT POWER
kW
CURRENT
A
DC TWIN ROTARY(INVERTER)
STARTING METHOD
Permanent Starting Condenser Method
NOISE LEVEL
(SOUND
PRESSURE)
COOL/HEAT
INDOOR
dB(A)
OUTDOOR
Copper tube
fin
OUTDOOR
Coil
Copper tube
fin
OUTDOOR
m3/h
INDOOR
HEAT
EXCHANGER
TYPE
INDOOR
Coil
COMPRESSOR
TYPE
RECOMMENDED STATIC PRESSURE
FAN TYPE x Q'ty
STARTING CURRENT
kW/kW
MOISTURE REMOVAL
CASING COLOR
INDOOR
FAN SPEED
OUTDOOR
r.p.m
AIR
CIRCULATION
Galvanized steel sheet
Beige(10YR7.5/1.0NN)
DIMENSIONS
H × W × D
NET
mm
GROSS
WEIGHT
NET /
GROSS
kg(lbs)
PIPE
CONNECTION METHOD
MAX HEIGHT
FLARE
SIZE
mm
MAX LENGTH
REFRIGERANT
TYPE
R410A
REFRIGERANT OIL
TYPE
Synthetic (POE oil)
OPERATION(OUTDOOR)
°C
0 to 43
-10 to 24
REMOTE CONTROLLER
DRAIN PIPE
MATERIAL
SIZE

01-02
AR*30LUAN AR*36LUAN
AO*30LMAWL AO*36LMAWL
C E
kW 8.50/10.00 10.00/11.20
BTU/h 29000/34100 34100/38200
kW 10.00/11.20 11.20/12.77
BTU/h 34100/38200 38200/43600
COOLING RATED/MAX 2.96/3.45 4.08/4.20
HEATING RATED/MAX 2.68/3.50 3.18/4.15
COOLING RATED/MAX 13.0/15.2 17.9/18.4
HEATING RATED/MAX 11.7/15.3 13.9/18.8
A 15 15
EER COOLING 2.87 2.45
COP HEATING 3.73 3.52
l/h (pints/h) 2.5(5.3) 3.0(6.3)
High
Med
Low
Pa
INDOOR
OUTDOOR
INDOOR
OUTDOOR
High
Med
Low
53.0/55.0 54.0/55.0
OUTPUT W
Rows x Stages x
Fin Pitch
mm
Coil Dimensions mm
Rows x Stages x
Fin Pitch
mm
Coil Dimensions mm
INDOOR
OUTDOOR
INDOOR
OUTDOOR
INDOOR
OUTDOOR
INDOOR
OUTDOOR
INDOOR
OUTDOOR
LIQUID
GAS
m
m
CHARGE kg
COOLING
HEATING
mm
- -
DUCTED MODELS
REVERSE CYCLE TYPE
Permanent Starting Condenser
30 to 150
Sirocco x 2
Propeller x 1
176
103
DC TWIN SROTARY(INVERTER)
1300
Plate fin coil
Hydrophilic coating
3 x 14 x 1.40
294 x 1000 x 39.9
Plate fin coil
Corrosion resistant coating
798 x 900 x 36.38
2 x 38 x 1.30
FAN MOTOR THERMAL PROTECTER, PCB FUSE
FAN MOTOR THERMAL PROTECTOR
PCB FUSE COMPRESSOR
THERMISTOR
Galvanized steel sheet
Beige(10YR7.5/1.0NN)
270 x 1135 x 700
830 x 900 x 330
300 x 1300 x 790
970 x 1050 x 445
43 / 50 ( 95 / 110)
FLARE
9.52(3/8 inc.)
15.88(5/8 inc.)
64/70(141/154)
50(chargeless:15m)
30
R410A
2.2
Synthetic (POE oil)
-10 to 43
-10 to 24
WIRED(AR-3TA1)
Steel
Outer diameter 38.0mm / Inner diameter 36.0mm
Remote Senser(UTD-RS100)
Simple Wired Remocon
(Fujitsu:UTB-YPB,General:UTB-GPB)
Square flange(UTD-SF045T)
Round flange(UTD-RF204)
Long life filter(UTD-LF25NA)
E x ternal cable set(UTD-ECS5A)
2200
2050
1850
3600
43.0/43.0
41.0/41.0
39.0/39.0
CASING COLOR
STARTING METHOD
Surface treatment
FAN MOTOR OUTPUT
W
OUTDOOR
NOISE LEVEL
(SOUND
PRESSURE)
COOL/HEAT
Surface treatment
Coil
INDOOR
TYPE
MODEL NAME
OUTDOOR
POWER SOURCE
OUTDOOR
INDOOR
COOLING
HEATING
STARTING CURRENT
INDOOR
MOISTURE REMOVAL
RATED/MAX
RATED/MAX
CURRENT
A
CAPACITY
m3/h
kW
INPUT POWER
kW/kW
SAFETY DEVICES
OUTDOOR
AIR
CIRCULATION
TYPE
COMPRESSOR
HEAT
E x CHANGER
TYPE
RECOMMENDED STATIC PRESSURE
FAN TYPE x Q'ty
OUTDOOR
mm
OPTIONS
MA x LENGTH
REMOTE CONTROLLER
DRAIN PIPE
MATERIAL
REFRIGERANT
SIZE
TYPE
OPERATION(OUTDOOR)
°C
INDOOR
INDOOR
Coil
dB(A)
NET
GROSS
TYPE
REFRIGERANT OIL
PIPE
MA x HEIGHT
CONNECTION METHOD
SIZE
mm
kg(lbs)
DIMENSIONS
H × W × D
WEIGHT
NET /
GROSS
AVAILABLE VOLTAGE RANGE
198-264V 50Hz
230V 50Hz
EUROPEAN ENERGY LABEL
Note: Specifications are based on the following conditions.
Cooling: Indoor temperature of 27 °CDB / 19 °CWB,and outdoor temperature of 35 °CDB/24 °CWB.
Heating: Indoor temperature of 20 °CDB / 15 °CWB,and outdoor temperature of 7 °CDB/6 °CWB.
Standard static pressure : 30Pa
Pipe length : 7.5 m, Height difference : 0 m.(Outdoor unit - Indoor unit)

01-03
DUCTED MODELS
REVERSE CYCLE TYPE
AR 45LUAN
AO 45LJBYL
230V 50Hz
198-264V
kW 12.5/14.0
BTU/h 42700/47800
kW 14.0/17.0
BTU/h 47800/61500
COOLING RATED/MAX 4.45/5.15
HEATING RATED/MAX 3.95/5.15
COOLING RATED/MAX 19.5/22.6
HEATING RATED/MAX 17.3/22.5
A 15
EER COOLING 2.81
COP HEATING 3.54
l/h (pints/h) 4.0(8.5)
High 2290
Med 2150
Low 2000
6600
Pa 30 to 150
INDOOR Sirocco x 2
OUTDOOR Propeller x 2
INDOOR 275
OUTDOOR 103 × 2
High 44.0/44.0
Med 42.0/42.0
Low 40.0/40.0
52.0/53.0
DC SCROLL(INVERTER)
OUTPUT W 2500
Inverter Method
Plate fin coil
Hydrophilic coating
Rows x Stages mm 4 x 14
Fin Pitch 1.4
Coil Dimensions mm 294 x 1000 x 53.2
Plate fin coil
Corrosion resistant coating
Rows x Stages mm 2 x 60
Fin Pitch 1.3
Coil Dimensions mm 1260 x 900 x 36.38
INDOOR
FAN MOTOR THERMAL PROTECTOR
PCB FUSE
OUTDOOR
FAN MOTOR THERMAL PROTECTOR
PCB FUSE
INDOOR Galvanized steel sheet
OUTDOOR Beige(10YR7.5/1.0NN)
INDOOR 270 x 1135 x 700
OUTDOOR 1290 x 900 x 330
INDOOR 300 x 1300 x 790
OUTDOOR 1430 x 1050 x 445
INDOOR 45/52(99/115)
OUTDOOR 105/112(231/247)
FLARE
LIQUID
9.52(3/8 inc.)
GAS
15.88(5/8 inc.)
m 70(chargeless:20m)
m 30
R410A
CHARGE kg 3.4
Synthetic (POE oil)
COOLING -15 to 43
HEATING -15 to 24
WIRED(AR-3TA1)
Steel
mm
Outer diameter 38.0
Inner diameter 36.0
Note: Specifications are based on the following conditions.
Cooling: Indoor temperature of 27 °CDB / 19 °CWB,and outdoor temperature of 35 °CDB/24 °CWB.
Heating: Indoor temperature of 20 °CDB / 15 °CWB,and outdoor temperature of 7 °CDB/6 °CWB.
Standard static pressure : 30Pa
Pipe length : 7.5 m, Height difference : 0 m.(Outdoor unit - Indoor unit)
AVAILABLE VOLTAGE RANGE
PIPE
MAX HEIGHT
CONNECTION METHOD
SIZE
mm
kg(lbs)
DIMENSIONS
H × W × D
NET
GROSS
TYPE
OUTDOOR
CASING COLOR
STARTING METHOD
Surface treatment
NET /
GROSS
WEIGHT
mm
MAX LENGTH
REMOTE CONTROLLER
DRAIN PIPE
MATERIAL
REFRIGERANT
SIZE
TYPE
OPERATION(OUTDOOR)
°C
REFRIGERANT OIL
kW
SAFETY DEVICES
OUTDOOR
AIR
CIRCULATION
INPUT POWER
TYPE
COMPRESSOR
HEAT
EXCHANGER
TYPE
MOISTURE REMOVAL
CURRENT
kW/kW
RECOMMENDED STATIC PRESSURE
FAN TYPE x Q'ty
A
STARTING CURRENT
INDOOR
m3/h
TYPE
MODEL NAME
OUTDOOR
POWER SOURCE
INDOOR
COOLING
HEATING
CAPACITY
RATED/MAX
RATED/MAX
FAN MOTOR OUTPUT
W
OUTDOOR
NOISE LEVEL
(SOUND
PRESSURE)
COOL/HEAT
Surface treatment
Coil
INDOOR
Coil
dB(A)
INDOOR

01-04
Note:
Note: Specifications are based on the following conditions.
Cooling: Indoor temperature of 27 °CDB / 19 °CWB,and outdoor temperature of 35 °CDB/24 °CWB.
Heating: Indoor temperature of 20 °CDB / 15 °CWB,and outdoor temperature of 7 °CDB/6 °CWB.
Standard static pressure : 100 Pa.
Pipe length : 7.5 m, Height difference : 0 m.(Outdoor unit - Indoor unit)
dimensions( )* are indicated the including flange,control box,safety drain pan.
AR 45LUAK AR 54LUAK
AO 45LJAYL AO 54LJAYL
kW 12.5 / 14.0 14.0 / 15.3
BTU/h 42700 / 47800 47800 / 52200
kW 14.0 / 18.0 16.0 / 19.0
BTU/h 47800 / 61500 54600 / 64900
COOLING RATED / MAX 4.30 / 5.15 5.36 / 5.90
HEATING RATED / MAX 3.80 / 5.15 4.70 / 5.90
COOLING RATED / MAX 18.9 / 22.6 23.6 / 25.9
HEATING RATED / MAX 16.7 / 22.5 20.6 / 25.9
A 15 15
EER COOLING 2.91 2.61
COP HEATING 3.68 3.40
l/h (pints/h) 3.0 (1.4) 4.0 (1.9)
High
Med
Low
QUIET
High
Low
High
Med
Low
QUIET
High
Low
Pa 100 to 250 100 to 250
INDOOR
OUTDOOR
INDOOR
OUTDOOR
High
Med
Low
52 / 53 52 / 53
W 2500 2500
Rows x Stages
Fin Pitch
Coil Dimensions
Rows x Stages
Fin Pitch
Coil Dimensions
-
INDOOR
COOL
-
-
1130/1130
950/950
UPPER FAN : 850 LOWER FAN :
750
r.p.m
49 / 49
45 / 45
42 / 42
Corrosion resistant coating
2 x 60
1260.0x900.0x36.38
Inverter Method
Plate fin coil
Sirocco x 2
Propeller x 2
539
103
INDOOR
OUTDOOR
Surface treatment
Surface treatment
Hydrophilic coating
336.0x890.0x53.2
4 x 16
Plate fin coil
HEAT
EXCHANGER
TYPE
RECOMMENDED STATIC PRESSURE
NOISE LEVEL
(SOUND
PRESSURE)
COOL/HEAT
FAN TYPE x Q'ty
FAN MOTOR OUTPUT
W
Coil
INDOOR
OUTDOOR
POWER SOURCE
INDOOR
COOLING
HEATING
HEAT PUMP TYPE
DUCTED INVERTER MODELS
230V 50Hz
RATED / MAX
TYPE
MODEL NAME
AVAILABLE VOLTAGE RANGE
198-264V 50Hz
1300/1300
STARTING CURRENT
MOISTURE REMOVAL
kW/kW
INDOOR
3500/3500
3000/3000
2460/2460
6600/6600
-
kW
m3/h
AIR
CIRCULATION
COOL/HEAT
INPUT POWER
RATED / MAX
CAPACITY
OUTDOOR
COMPRESSOR
STARTING METHOD
OUTPUT
OUTDOOR
FAN SPEED
COOL/HEAT
A
CURRENT
dB(A)
DC SCROLL
1.3
TYPE
mm
1.3
mm
OUTDOOR
Coil
INDOOR
OUTDOOR
INDOOR
OUTDOOR
INDOOR
OUTDOOR
INDOOR
OUTDOOR
INDOOR
OUTDOOR
LIQUID
GAS
m
m
CHARGE g 3400 3400
COOLING
HEATING
WIRED WIRED
mm
460 × 1230 × 640
1430 x 1050 x 445
50 (110) / 55 (121)
400 × 1050(1150)* × 500(585)*
MATERIAL
Outer diameter 25.4 / Inner diameter 21.5
MAX HEIGHT
MAX LENGTH
mm
kg(lbs)
1290 x 900 x 330
CASING COLOR
Fan motor thermal protector,Fuse
Fan motor thermal protector,Fuse
-15 to 24
Synthetic (POE oil)
30
9.52 (3/8 inc.)
15.88 (5/8 inc.)
FLARE
105 (231) / 112 (247)
SAFETY DEVICES
DRAIN PIPE
PIPE
CONNECTION METHOD
OPERATION(OUTDOOR)
TYPEREFRIGERANT OIL
REFRIGERANT TYPE
SIZE
WEIGHT
NET
GROSS
NET /
GROSS
REMOTE CONTROLLER
DIMENSIONS
H ×W ×D
SIZE mm
Steel
-10 to 43
R410A
70 (chargeless:20m)
Hot-dipped galvanized steel sheet
Beige(10YR7.5/1.0NN)

01-05
Note: Specifications are based on the following conditions.
Cooling: Indoor temperature of 27 °CDB / 19 °CWB,and outdoor temperature of 35 °CDB/24 °CWB.
Heating: Indoor temperature of 20 °CDB / 15 °CWB,and outdoor temperature of 7 °CDB/6 °CWB.
Standard static pressure : 100 Pa.
Pipe length : 7.5 m, Height difference : 0 m.(Outdoor unit - Indoor unit)
dimensions( )* are indicated the including flange,control box,safety drain pan.
ART45LUAK ART54LUAK
AOT45LJAYL AOT54LJAYL
kW 12.5 / 14.0 14.5 / 15.3
BTU/h 42700 / 47800 49500 / 52200
kW 14.0 / 18.0 16.0 / 20.0
BTU/h 47800 / 61500 54600 / 68300
COOLING RATED / MAX 4.30 / 5.35 5.57 / 6.15
HEATING RATED / MAX 3.80 / 5.35 4.70 / 6.15
COOLING RATED / MAX 18.1 / 22.5 23.5 / 25.9
HEATING RATED / MAX 16.0 / 22.5 19.8 / 25.9
A 15 15
EER COOLING 2.91 2.61
COP HEATING 3.68 3.40
l/h (pints/h) 3.0 (1.4) 4.0 (1.9)
High
Med
Low
QUIET
High
Low
High
Med
Low
QUIET
High
Low
Pa 100 to 250 100 to 250
INDOOR
OUTDOOR
INDOOR
OUTDOOR
High
Med
Low
52 / 53 52 / 53
W 2500 2500
Rows x Stages
Fin Pitch
Coil Dimensions
Rows x Stages
Fin Pitch
Coil Dimensions
HEAT
EXCHANGER
TYPE
INDOOR
Coil
Plate fin coil
Surface treatment
Hydrophilic coating
4 x 16
336.0x890.0x53.2
OUTDOOR
Coil
Plate fin coil
Surface treatment
Corrosion resistant coating
2 x 60
mm
1260.0x900.0x36.38
COMPRESSOR
TYPE
DC SCROLL
OUTPUT
STARTING METHOD
Inverter Method
1.3
mm
1.3
NOISE LEVEL
(SOUND
PRESSURE)
COOL/HEAT
INDOOR
dB(A)
49 / 49
45 / 45
42 / 42
OUTDOOR
FAN MOTOR OUTPUT
W
539
103
UPPER FAN : 850 LOWER FAN : 750
-
RECOMMENDED STATIC PRESSURE
FAN TYPE x Q'ty
Sirocco x 2
Propeller x 2
6600/6600
-
FAN SPEED
COOL/HEAT
INDOOR
r.p.m
1300/1300
1130/1130
950/950
-
OUTDOOR
3500/3500
3000/3000
2460/2460
-
STARTING CURRENT
kW/kW
MOISTURE REMOVAL
AIR
CIRCULATION
COOL/HEAT
INDOOR
COOL
m3/h
OUTDOOR
INPUT POWER
kW
CURRENT
A
CAPACITY
COOLING
RATED / MAX
HEATING
RATED / MAX
POWER SOURCE
240V 50Hz
AVAILABLE VOLTAGE RANGE
198-264V 50Hz
TYPE
DUCTED INVERTER MODELS
HEAT PUMP TYPE
MODEL NAME
INDOOR
OUTDOOR
INDOOR
OUTDOOR
INDOOR
OUTDOOR
INDOOR
OUTDOOR
INDOOR
OUTDOOR
INDOOR
OUTDOOR
LIQUID
GAS
m
m
CHARGE g 3400 3400
COOLING
HEATING
WIRED WIRED
mm
REMOTE CONTROLLER
DRAIN PIPE MATERIAL Steel
SIZE Outer diameter 25.4 / Inner diameter 21.5
REFRIGERANT OIL TYPE Synthetic (POE oil)
OPERATION(OUTDOOR) -10 to 43
-15 to 24
REFRIGERANT TYPE R410A
PIPE
CONNECTION METHOD FLARE
SIZE mm 9.52 (3/8 inc.)
15.88 (5/8 inc.)
MAX LENGTH 70 (chargeless:20m)
MAX HEIGHT 30
WEIGHT NET /
GROSS kg(lbs) 50 (110) / 55 (121)
105 (231) / 112 (247)
DIMENSIONS
H ×W ×D
NET
mm
400 × 1050(1150)* × 500(585)*
1290 x 900 x 330
GROSS 460 × 1230 × 640
1430 x 1050 x 445
CASING COLOR Hot-dipped galvanized steel sheet
Beige(10YR7.5/1.0NN)
SAFETY DEVICES Fan motor thermal protector,Fuse
Fan motor thermal protector,Fuse

2 . DIMENSIONS
R410A
DUCT type
INVERTER

02-01
350
830
650
12
101
154
320
58
90
Top view
Front view
Side view
(Unit : mm)
(Unit : mm)
2. DIMENSIONS
MODEL : AR*18LUAD / AO*18LMAKL
886
953
850
920
600
150
150
605
57520
85 75
364
390
194
217
1
Refrigerant piping flare connection (Gas)
Refrigerant piping flare connection (Liquid)
Drain piping connection (Drain pipe : I.D. Ø 21.5 O.D. Ø 26.0)
2
3
12
3
1
2

02-02
350
830
650
12
101
154
320
58
90
Top view
Front view
Side view
(Unit : mm)
(Unit : mm)
MODEL : AR*24LUAN / AO*24LMAKL
Front view
Top view
Side view (L) Side view (R)
Rear view
138 264 264 264
80 80
80 80
138
80 80
80 80
205
5
5
200
3.2
3.2
82
75
1177
270
32
240
121
161
114
66
32
168
240
281
283
170
240
270
34
16
700
477173
40
P125x3=375 P125x3=375
120 73
107
1015
1135
54
39
Refrigerant piping flare connection (Gas)
Refrigerant piping flare connection (Liquid)
Drain piping connection (Drain pipe : I.D 36 O.D 38)
Drain piping connection with cap.
Knock out hole for fresh air.

02-03
MODEL : AR*30/ 36LUAN / AO*30/ 36LMAWL
(Unit : mm)
900
830
99
196
21
9
77 31 330
400
170
147
12
Top view
Front view
Side view
(Unit : mm)
Front view
Top view
Side view (L) Side view (R)
Rear view
138 264 264 264
80 80
80 80
138
80 80
80 80
205
5
5
200
3.2
3.2
82
75
1177
270
32
240
121
161
114
66
32
168
240
281
283
170
240
270
34
16
700
477173
40
P125x3=375 P125x3=375
120 73
107
1015
1135
54
39
Refrigerant piping flare connection (Gas)
Refrigerant piping flare connection (Liquid)
Drain piping connection (Drain pipe : I.D 36 O.D 38)
Drain piping connection with cap.
Knock out hole for fresh air.

02-04
MODEL : AR*45LUAN / AO*45LJBYL
(Unit : mm)
900
1290
77 31
21
9
400
151
99
196
170
12330
Top view
Side view
Front view
(Unit : mm)
Front view
Top view
Side view (L) Side view (R)
Rear view
138 264 264 264
80 80
80 80
138
80 80
80 80
205
5
5
200
3.2
3.2
82
75
1177
270
32
240
121
161
114
66
32
168
240
281
283
170
240
270
34
16
700
477173
40
P125x3=375 P125x3=375
120 73
107
1015
1135
54
39
Refrigerant piping flare connection (Gas)
Refrigerant piping flare connection (Liquid)
Drain piping connection (Drain pipe : I.D 36 O.D 38)
Drain piping connection with cap.
Knock out hole for fresh air.

02-05
MODEL : AR*45/ 54LUAK / AO*45/ 54LJAYL
(Unit : mm)
900
1290
77 31
21
9
400
151
99
196
170
12330
Top view
Side view
Front view
(Unit : mm)
Front view
Top view
Side view (L)
Side view (R)
Rear view
1
Refrigerant piping flare connection (Liquid)
Drain piping connection (Drain pipe : I.D. Ø 23.4 O.D. Ø 25.4)
2
3
Refrigerant piping flare connection (Gas)
Drain piping connection (Drain pipe : I.D. Ø 23.4 O.D. Ø 25.4)
4
88
71
1080
1000
862
400
324
155
14
P120x2=240
28
295 26
3
P120x5=600
851
1050
125
85
500
585
371
356
208
108
41
123
139

3 . REFRIGERANT SYSTEM DIAGRAM
R410A
DUCT type
INVERTER

03-01
Ø12.7mm(1/2")
Ø6.35mm(1/4")
3. REFRIGERANT CIRCUIT
MODEL : AR*18LUAD / AO*18LMAKL
Outdoor Unit Indoor Unit
CONDENSER EVAPOLATOR
HIGH
PRESSURE
SWITCH
THO
THO
THPO
THD
THR
THR
THPI
THPI
THD
THPO
COMPRESSOR
ACCUMULATOR
EXPANSION
VALVE STRAINER
MUFFLER
4-Way
valve
THERMISTOR(DISCHARGE TEMP.)
THERMISTOR(ROOM TEMP.)
THERMISTOR(PIPE TEMP.)
THERMISTOR(OUTDOOR TEMP.)
THERMISTOR(PIPE TEMP.)
Refrigerant Pipe
Refrigerant Pipe
COOL
HEAT
Ø15.88mm(5/8")
Ø9.52mm(3/8")
MODEL : AR*24LUAN / AO*24LMAKL
Outdoor Unit Indoor Unit
CONDENSER EVAPOLATOR
HIGH
PRESSURE
SWITCH
THO
THO
THPO
THD
THR
THR
THPI
THPI
THD
THPO
COMPRESSOR
ACCUMULATOR
EXPANSION
VALVE STRAINER
MUFFLER
4-Way
valve
THERMISTOR(DISCHARGE TEMP.)
THERMISTOR(ROOM TEMP.)
THERMISTOR(PIPE TEMP.)
THERMISTOR(OUTDOOR TEMP.)
THERMISTOR(PIPE TEMP.)
Refrigerant Pipe
Refrigerant Pipe
COOL
HEAT

03-02
Ø15.88mm(5/8")
Ø9.52mm(3/8")
MODEL : AR*30/ 36LUAN / AO*30/ 36LMAWL
Outdoor Unit Indoor Unit
CONDENSER
HIGH PRESSURE
SWITCH
PRESSURE
CHECK VALVE
THO
THO
THC
THPO
THDTHR
THR
THPI
THPI
THD
THC
THPO
COMPRESSOR
ACCUMULATOR
EXPANSION
VALVE
STRAINERSTRAINER
4-Way
valve
THERMISTOR(DISCHARGE TEMP.) THERMISTOR(ROOM TEMP.)
THERMISTOR(PIPE TEMP.)
THERMISTOR(OUTDOOR TEMP.)
THERMISTOR(PIPE TEMP.)
THERMISTOR(COMP TOP TEMP.)
Refrigerant Pipe
Refrigerant Pipe
COOL
HEAT
EVAPOLATOR
Charging Valve
Charging Valve

03-03
Ø15.88mm(5/8")
Ø9.52mm(3/8")
MODEL : AR*45L/ 54L / AO*45L/ 54L
Outdoor Unit Indoor Unit
CONDENSER
HIGH PRESSURE
SWITCH
PRESSURE
CHECK VALVE
THO
THO
THC
THPO
THDTHR
THPI
THR
THPI
THD
THC
THPO
COMPRESSOR
ACCUMULATOR
EXPANSION
VALVE
STRAINER
STRAINER STRAINER
4-Way
valve
THERMISTOR(DISCHARGE TEMP.) THERMISTOR(ROOM TEMP.)
THERMISTOR(PIPE TEMP.)
THERMISTOR(OUTDOOR TEMP.)
THERMISTOR(PIPE TEMP.)
THERMISTOR(COMP TOP TEMP.)
Refrigerant Pipe
Refrigerant Pipe
COOL
HEAT
EVAPOLATOR
Charging Valve
Charging Valve
MUFFLER