Fujitsu ARU18RLF User manual

SPLIT TYPE
ROOM AIR CONDITIONER
DUCT TYPE
CONTENTS
SPECIFICATIONS. . . . . . . . . . . . . . . . . . .
1
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . 2
REFRIGERANT SYSTEM DIAGRAM. . . .4
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . 5
ERROR DETECTION . . . . . . . . . . . . . . .
6
INDOOR PCB CIRCUIT DIAGRAM . . . . .
10
OUTDOOR PCB CIRCUIT DIAGRAM. . .
14
PARTS (INDOOR UNIT) . . . . . . . . . . . . .15
PARTS (OUTDOOR UNIT) . . . . . . . . . . .18
21
ACCESSORIES . . . . . . . . . . . . . . . . . . .
Indoor unit Outdoor unit
ARU18RLF AOU18RLFC
(Serial number : R)
Refer to the service
bulletin RAC-0059

SPECIFICATIONS
TYPE Cool & heat inverter
INDOOR UNIT ARU18RLF
OUTDOOR UNIT AOU18RLFC
COOLING CAPACITY
HEATING CAPACITY
POWER SOURCE
FREQUENCY
RUNNING
CURRENT
MAXIMUM
CURRENT
INPUT WATTS
E.E.R. Cooling
COP Heating
Cooling
Heating
Cooling
Heating
Cooling
Heating
MOISTURE REMOVAL
AIR CIRCULATION HIGH
FAN MOTOR
POWER SOURCE 208/230 V
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
208/230 V
60 Hz
6.6 A
7.3 A
1.50 kW
1.67 kW
12.0 Btu/Wh
12.9 Btu/Wh
4.2 Pts/h, 2.0 L/h
553 CFM, 940 m3/h
10.0 A
14.0 A
1,380 r.p.m.
1,300 r.p.m.
1,220 r.p.m.
1,140 r.p.m.
1,380 r.p.m.
1,300 r.p.m.
1,220 r.p.m.
1,140 r.p.m.
1,000 r.p.m.
870 r.p.m.
ELECTRICAL DATA
2013.04.13 1
High
Medium
Low
Quiet
INDOOR UNIT
Cooling
High
Medium
Low
Quiet
INDOOR UNIT
Heating
OUTDOOR UNIT Heating
NOISE LEVEL
OUTDOOR UNIT Cooling
32 dB
30 dB
29 dB
27 dB
32 dB
30 dB
29 dB
27 dB
55 dB
52 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 ft., 15 m
ADDITIONAL CHARGE 0.22 oz/ft, 20 g/m
808-213-80
2 lb. 13 oz., 1,300 g
2 lb. 13 oz., 1,300 g
21 lb. 6 oz., 9.7 kg
3 lb. 1 oz., 1,400 g
WEIGHT
INDOOR UNIT
Net / Shipping
Net / Shipping
50 lb. / 59 lb.
23 kg / 27 kg
OUTDOOR UNIT
INDOOR UNIT H x W x D
H x W x DOUTDOOR UNIT
86 lb. / 95 lb.
39 kg / 43 kg
DIMENSIONS
24-1/2 x 31-3/32 x 11-13/32 in.
620 x 790 x 290 mm
7-25/32 x 35-7/16 x 24-13/32 in.
198 x 900 x 620 mm

INDOOR UNIT
DIMENSIONS
30-15/32 (774)
6-27/32
(174)
33-15/32 (850)
36-25/32 (934)
3-15/16 (100) x 8 = 31-1/2 (800)
1-3/16 (30)
14-27/32 (377)
3-1/16 (78)
2-5/32 (55)
13/32 (10)
24-13/32 (620)
34-1/32 (864)
35-7/16 (900)
7-25/32 (198)
6-5/8 (168)
5-15/16 (151)
3-1/16
(78)
2-5/32
(55)
unit : inch (mm)
2013.04.11 2

unit : inch (mm)
2013.04.11 3
OUTDOOR UNIT
11-11/32 (290) 31-3/32 (790)
21-1/4 (540)
24-13/32 (620)

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
Strainer
3-Way valve
Muffler
4-Way valve
Expansion valve
Heat exchanger
(indoor unit)
Heat exchanger
(outdoor unit)
Compressor
2013.04.11 4

INDOOR UNIT OUTDOOR UNIT
CIRCUIT DIAGRAM
2013.04.04 5
BLACK
BLACK
BLACK
BROWN or BLACK
BLACK
BLACK
BROWN or BLACK
BLACK
WHITE
YELLOW
ORANGE
BLUE
RED
BROWN
YELLOW
WHITE
BLACK
RED
RED
7
6
5
4
3
2
1
7
6
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
2
12 1
4
3
2
1
4
3
2
1
3
2
1
3
2
1
W4
CN800
CN700
CN500
CN61
CN62
THERMISTOR
( OUTDOOR TEMP. )
THERMISTOR ( DISCHARGE )
THERMISTOR ( PIPE TEMP. )
4-WAY VALVE
EXPANSION VALVE
4WV
PMV
FM FAN MOTOR
WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE 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
1 2
9 8 7 6 5 4 3 2 15 4 3 2 1
9 8 7 6 5 4 3 2 15 4 3 2 1
CN200CN40CN42
CN303 CN301 W306
W307
TRANSISTOR
PCB
( I P M )
BLACK BLACK BLACK BLACK
1 2 3 4
1 2 3 4
1 2 3 4 5 6
1 2 3 4 5 6
CN400
CN11
BLUE
YELLOW
BLACK
RED
VIOLET
WHITE
TM302
TM301
W17
W16
W8
W7
W13
W12
+I N
-I N
P
N
CAPACITOR PCB
RED
WHITE
BLACK
BROWN
ORANGE
TM102
TM101
TM303
W
TM304
V
TM305
U
S
C
R
CM COMPRESSOR
WHITE WHITE
L2 L1
CHOKE COIL
GREEN
1 2
W29
W28
CN100 W21 W9 W20 W19 W3
W18
W17
W2
W1
POWER SOURCE
TERMINAL
12 3 L1L2
FILTER PCB
GREEN
WHITE
BLACK
WHITE
BLACK
WHITE WHITE
GRAY BLACK
WHITE
BLACK
1 2
1 2 1 2
1 2
CN1 CN110
TM600
TM601
FUSE
25A
250V
G
G
ACTPM
MAIN PCB
GRAY
GRAY
GRAY
GRAY
GRAY GRAY GRAY GRAY
GRAY
GRAY
GRAY
YELLOW YELLOW
WHITE WHITE
GREEN GREEN
GRAY
GRAY BLACK
BLACK
RED
WHITE
BLACK
RED
WHITE
BLACK
BROWN
YELLOW
WHITE
BLACK
RED
BLACK
BLACK
1
2
3
4
5
6
7
1
2
3
4
5
6
1
2
3
1
2
1
2
3
1
2
3
4
5
1
2
3
4
5
1
2
3
1
2
3
1
2
1
2
3
4
5
6
1
2
3
4
5
6
123456 7 8
123456 7 8
123456 7 8
12345 6 7 8
123
123
123
123
12123
12312123
12
12
12
12
12
1
2
E101 E102
CN102 CN106 CN108
CN104 CN101
CN105
CN103
W102
W105
W101
CN4 CN1
CN5 CN7 CN8
CN10
CN9
CN11
CN12 CN3
CN13
CN14
CN6
FLOAT SWITCH
FM
FAN MOTOR
M
DRAIN PUMP
MOTOR
REACTOR
G
TO WIRED REMOTE CONTOROL
TERMINAL
TERMINAL
12 3
12 3
THERMISTOR
( PIPE TEMP. )
THERMISTOR
( ROOM TEMP. )
MAIN PCB
POWER SUPPLY PCB

UL1430 AWG26 x 5
RED
ORANGE
YELLOW
PINK
BLUE
RED
ORANGE
YELLOW
PINK
BLUE
UL1007 AWG24 BLACK
UL1007 AWG24 BLACK
UL1430 AWG28 x 7
BROWN
RED
ORANGE
WHITE
BLUE
PURPLE
GRAY
UL1430 AWG28 x 7
BROWN
RED
ORANGE
WHITE
BLUE
PURPLE
GRAY
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
JUNCTION
CONNECTOR
XMR-08V
WHITE
JUNCTION
CONNECTOR
XMR-08V
WHITE
CN201
S07B-PASK-2
WHITE
CN201-1
CN201-2
CN201-3
CN201-4
CN201-5
CN201-6
CN201-7
CN13-1
CN13-2
CN13-3
CN13-4
CN13-5
CN13-6
CN13-7
CN5-1
CN5-2
CN7-1
CN7-2
CN8-1
CN8-2
GRAY
GRAY
BLACK
BLACK
UL1430 AWG22 RED
UL1430 AWG22 WHITE
UL1430 AWG22 BLACK
TERMINAL BOARD
HP-T3031-21
FRESH AIR
( OPTION )
HEATER
( OPTION ) WIRED REMOTE CONTROL
BLK WHT RED
LOUVER ( UP / DOWN )
( OPTION )
FLOAT SWITCH
M
CN14-1
CN14-2
CN14-3
CN6-1
CN6-2
CN10-1
CN10-2
CN11-1
CN11-2
CN11-3
CN11-4
CN11-5
CN12-1
CN12-2
CN12-3
CN12-4
CN12-5
CN9-1
CN9-2
CN9-3
CN2-1
CN2-2
CN2-3
CN2-4
CN2-5
CN15-1
CN15-2
CN15-3
CN15-4
CN15-5
CN15-6
CN3-1
CN3-2
CN3-3
CN3-4
CN3-5
CN3-6
CN4-1
CN4-2
CN4-3
CN4-4
CN4-5
CN4-6
CN4-7
CN4-8
CN1-1
CN1-2
CN1-3
CN105-6
CN105-5
CN105-4
CN105-3
CN105-2
CN105-1
CN106-1
CN106-2
CN103-1
CN103-2
CN102-1
CN102-2
CN102-3
CN108-1
CN108-2
CN108-3
CN104-1
CN104-2
CN104-3
CN104-4
CN104-5
CN104-6
CN104-7
CN104-8
CN101-1
CN101-2
CN101-3
DC SUPPLY
POWER DRIVE
UL1430 AWG26 x 3
UL1430 AWG26 x 8
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
RED
BLACK
WHITE
YELLOW
BROWN
1
2
3
4
5
6
7
8
UL1015 AWG18 BLACK
UL1015 AWG18 BLACK
WHITE
WHITE
REACTOR
ASSEMBLY
RLEY41-22
DRAIN PUMP M
F M
DC FAN MOTOR
F101
AC250V
3.15A
W105 W102 W101
CN2
B5P-SHF-1AA
WHITE
CN15
B06B-XASK-1-A
WHITE
CN3
B06B-PASK-1
WHITE
CN4
B08B-PASK-1
WHITE
CN1
B03B-PASK-1
WHITE
CN105
B5P6-VH-B
WHITE
CN106
B2P3-VH-B-E
BLUE
EX OUT
EX I N
CN103
B2B-XH-AM
WHITE
CN103
B3B-XH-AM
WHITE
CN108
B2P3-VH-B
WHITE
E101
E102
UL1015
AWG16
GREEN
UL1015
AWG16
GREEN
UL1015
AWG20
BLACK
UL1015
AWG20
WHITE
UL1015
AWG20
RED
L
N
SERIAL
E
1
2
3
TERMINAL
HP-T3031-3-L1
CN8
B02B-XASK-1-A
WHITE
CN7
B02B-XAYK-1-A
YELLOW
CN5
B02B-XAKK-1-A
BLACK
CN13
B07B-PASK-1
WHITE
CN14
B03B-XAKK-1-A
BLACK
CN6
B02B-PAMK-1-A
GREEN
CN10
B02B-PAOK-1
ORANGE
CN11
B05B-XASK-1-A
WHITE
CN12
B05B-XARK-1-A
RED
CN9
B03B-XARK-1-A
RED
THERMISTOR ( ROOM TEMP. )
THERMISTOR ( PIPE - MID. TEMP. )
CN104
B08B-PASK-1
WHITE
CN101
B03B-PASK-1
WHITE
EMI FILTER
ZCAT2132-1130
1 TURN
POWER SOURCE
AC208 - 230V
60Hz
EMI FILTER
ZCAT1518-0730
1 TURN
POWER SUPPLY PCB
K06AL-1006HSE-P0
MAIN PCB
K06AK-121PHSE-C1
INDICATOR PCB
K04EI-1000HSE-D0
RECEIVER UNIT ( OPTION )
CONTROL UNIT
EZ-01125HSE
2013.02.04 6
INDOOR PCB
CIRCUIT DIAGRAM

5V
C29
0.1
<F>
R57
1.0k
<1/10W>
R59
10k
<1/10W>
C30
0.1
<F>
R58
1.0k
<1/10W>
R60
49.9k
<1/10W>
C34
0.1
<F>
R62
1.0k
<1/10W>
R61
49.9k
<1/10W>
CN9
B03B-XARK-1-A
FLOAT SWITCH
5V
R45
10k
<1/10W>
R46
1.0k
<1/10W>
C31
0.01
<F>
5V
5V
THERMISTOR ( ROOM TEMP. )
CN8
B2B-XASK-1-A
CN7
B2B-XAYK-1-A
THERMISTOR ( PIPE - M I D. TEMP. )
CN5
B2B-XAKK-1-A
CN15
B09B-XASK-1-A
CN13
B07B-PASK-1
I NDICATOR PCB
( OPTION )
CN14
B03B-XAKK-1-A
WIRED REMOTE CONTROL
5V
R68, R52
10k <1/10W> x 2
5V
R41
1.0k
<1/10W>
R43, R44
10k <1/10W>
x 2
R42
47
<1/10W>
C24
1000p
<R>
C23
0.01
<F>
C25
10/
50V
+C26
0.01
<F>
12V
5V
5V
13.5V
13.5V
R47
390
<1/10W>
R35
1.0k
<1/10W>
R36
0R0
I C6-2
BA10393F
I C6-1
BA10393F
R55
10k
<1/10W>
12V
12V
D3
D1FS4A
D2
DAN217U
R54
15.4k
<1/10W>
R53
28k
<1/10W>
R48
10k
<1/10W>
I C4
uPA2003
BZ1
PKM13EPYH-4000-A0
CN11
B05B-XASK-1-A
CN12
B05B-XARK-1-A
LOUVER ( UP / DOWN )
( OPTION )
Q2
DTC124EKA
5V I C7
S80842
R56
100k
<1/10W>
C27
0.1
<B>
C38
0.1
<B>
R69
10k
<1/10W>
R40
10k
<1/10W>
C13
0.1
<B>
I C5
S-93C66BD0 I
I C1
uPD78F0536
C36
0.47
<F>
JM5
0R0
C8 - C10
0.1 <F> x 3
5V
5V
R4 - R6
1.0k <1/10W> x 3
R1 - R3
10k <1/10W> x 3
JM1
JM2
JM3
C32
100/
6.3V
+C33
0.1
<F>
C28
0.1
<F>
R19 - R22
1.0k <1/10W> x 4
5V
12V13.5V
5V
C3
0.01
<F>
+
D1
1SS355
I C2
NJM7805
+
C1
10/
50V
C2
10/
50V
I C8
NJM7812
D4
1SS355
5V R15 - R18
10k <1/10W> x 4
R70
10k
<1/10W>
Q3
DTC124EKA
5V
5V
5V
C20 - C22
0.1 <F>
x 3
13.5V
R7 - R10
1.0k <1/10W> x 4
R11 - R14
10k <1/10W> x 4
SW1
CFS-0402
I C3
uPA2003
R29
390
<1/10W>
R28
10k
<1/10W>
C16
0.01
<F>
Q1
DTC124EKA
C15
0.01
<F>
C14
1000p
<R>
5V
C17
0.01
<F>
C18
0.01
<B>
R27
330
<1/10W>
R34
1.0k
<1/10W>
R33
10k
<1/10W>
R31
10k
<1/10W>
13.5V
13.5V
R25
1.0k
<1/10W>
R26
10k
<1/10W>
C35, C12, C11
1000p <R> x 3
C37
0.1
<F>
R67
1.0k
<1/10W>
5V
13.5V
R24, R23, R32
10k <1/10W> x 3
R63 - R65
1.0k <1/10W> x 3
R66
10k
<1/10W>
X1
8.00MHz
<CSTLS>
CN4
B08B-PASK-1-A
POWER DRIVE
CN3
B06B-PASK-1
CN2
B5P-SHF-1AA
CN1
B03B-PASK-1
DC SUPPLY
1
2
3
1
2
1
2
1
2
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
1
2
3
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
6
7
8
1
2
3
4
5
6
1
3
2
3
2
1
8
7
6
5
4
3
2
1
9
16
15
14
13
12
11
10
8
1
2
3
4
5
6
7
SK
O1
O2
O3
O4
O5
O6
O7
GND
I 1
I 2
I 3
I 4
I 5
I 6
I 7
SK
O1
O2
O3
O4
O5
O6
O7
GND
I 1
I 2
I 3
I 4
I 5
I 6
I 7
9
16
15
14
13
12
11
10
8
1
2
3
4
5
6
7
1
3
2
2
1
3
4
VDD
OUT
NC
GND
1
2
3
4
5
1
2
3
1
2
1
2
1
2
3
I
G
O
I
G
O
1
2
3
CN6
B02B-PAMK-1
FRESH AIR
( OPTION )
HEATER
( OPTION )
CN10
B02B-PAOK-1
1
2
3
6
8
4
7
5
CS
SK
D I
NC
VCC
DO
NC
GND
NC
34
39
36
43
44
45
46
33
32
31
30
29
28
27
26
18
19
20
21
22
23
11
12
13
14
38
37
41
40
25
9
42 52
51
50
49
48
47
56
55
54
53
8
7
6
5
4
3
2
1
64
63
62
61
60
59
58
57
17
16
15
24
10
35AVREF
I C
RST*
P00
P01
P02
P03
P10
P11
P12
P13
P14
P15
P16
P17
P20
P21
P22
P23
P24
P25
P30
P31
P32
P33
XT1
XT2
X1
X2
AGND
GND0
GND1 P75
P74
P73
P72
P71
P70
P67
P66
P65
P64
P57
P56
P55
P54
P53
P52
P51
P50
P47
P46
P45
P44
P43
P42
P41
P40
P36
P35
P34
VDD1
VDD0
AVDD
3
1
2
3
1 2
+
12
3
-
76
5
+
-
C4
0.01
<F>
C5
1000p
<R>
C7
1000p
<R>
R37
10k
<1/10W>
R50
10k
<1/10W>
B Z
C19
0.1
<B>
INDOOR UNIT
MAIN PCB
K06AK-121PHSE-C1
2013.02.04 7

13.5V
F101
3.15A - 250V
VA101
470V
<TNR>
W101
BLACK
W102
WHITE
VA102
470V
<TNR>
SA101
RA-362M
E101
GREEN
I C26-10
N
L
I C26-14
5V 15V
I C104
TLP621
<GB>
R116
1.0k
<1/4W>
1
2
4
3
CN104
B08B-PASK-1
POWER DRIVE
1
2
3
4
5
6
7
8
4
3 2
1
I C103
TLP621
<GB>
C117
100/
25V
+
AA
R117
820
<1/4W>
R114
4.7k
<1/10W>
R115
6.8k
<1/4W>
15V
6
5
4
3
2
1
340V
A
15V CN105
B5P6-VH-B
DC FAN MOTOR
VA103
0.01
<KH>
W105
RED
SERIAL
I C 1 0 5
H I 2 0 0 3 R 3
LN
5V
5 4 3 2 1 101418
15V
340V
C108
4700p
<FNS>
R104
330k
<2W> D102
1SR139-600
R103
62k
<2W>
D108
D2FL20U
T101
ZFT22B03-C
R111
10k
<1/10W>
+C113
1000/
25V
C114
0.01
<KH>
C115
0.01
<KH>
8
7
6
5
3
2
10
12
L
N
K102
G5NB-1A
13.5V
RC101
120/
0.2
CN106
B2P3-VH-B-E
DRAIN PUMP
2
1
IC26-10
IC26-14
1
3
4
2
2
1
3
2
1
C116
0.01
<B>
5V
R112
330
<1/10W>
L102
BLm18
<AG601>
I C101
TLP621
<GB>
L103
BLm18
<AG601>
4
3
1
2
4
23
1
K101
G5NB-1A
13.5V CN103
B2B-XH-AM
EX OUT
EX I N
CN102
B3B-XH-AM
IC26-14 IC26-10
8765 4 3 2 1
13.5V
C120
0.1
<F>
C121
0.1
<F>
5V
DC SUPPLY
CN101
B03B-PASK-1
1
2
3
43
12
LF101
ELF20N018A 1
3
4
2
D101
D3SB60
C118
0.01
<KH>
E102
GREEN
C107
270/
450V
+
C109
220P/
2.0kV
<DENB>
R105
75
<2W>
R106
1.5
<2W>
Q102
2SC1815-Y
Q101
2SC5354
R107
100
<1/10W>
3
3
2
2
1
1
A
D107
RD16M
<B1>
C112
330/
25V
+R110
10k
<1/10W>
D106
D1FL20U
C110 0.047 <ECQV>
D103
D1FL20U
D104
MTZJ5.1B
R109
330
<1/4W>
C111
100/
25V
+
D105
D1FL20U
R108
100
<1/2W>
C104
0.22
<LE>
C105
0.01
<YE>
C106
0.01
<YE>
R113
330
<1/10W>
INDOOR UNIT
POWER SUPPLY PCB
K06AL-1006HSE-P0
2013.02.04 8
C101
0.22
<LE>
CN108
B2P3-VH-B
NORMAL COIL
12

5V
D205 EMPG3863X GREEN
D206 EMAA3863X ORANGE
D207 EMPG3863X GREEN
R201 330
<1/4W>
R202 330
<1/4W>
R203 330
<1/4W>
PHA201
PIC-37143TH5
JM201
VCC
OUT
GND
2
1
3
C201
0.1
<F>
C202
10/
16V
+
SW201
EVQPAG04K
13
24
1
2
3
4
5
6
7
8
CN201
08 / 08 JC25 / XMR
BROWN
RED
ORANGE
YELLOW
WHITE
BLUE
PURPLE
GRAY
( OPERATE )
( TIMER )
( LOUVER )
( LOUVER )
( 5V )
( REMOTE SIGNAL )
( GND )
( MANUAL AUTO SWITCH )
INDOOR UNIT
INDICATOR PCB ( OPTION )
K04EI-1000HSE-D0
2013.02.04 9