Fujitsu ARY18FUAL User manual
SPLIT TYPE AIR
CONDITIONER
DUCT type (50Hz)
Models
Indoor unit Outdoor unit
ARY18FUAL
ARY18UUAL
AOY18FNDN
AOY18UNDNL
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 1
OUTLINE AND DIMENSIONS . . . . . . . . . . . . . . . . . 2
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . .
4REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . .
5
DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . 11
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
STANDARD ACCESSORIES . . . . . . . . . . . . . . . . 21
ERROR CONTENTS . . . . . . . . . . . . . . . . . . . . . . .
7INDOOR PCB CIRCUIT DIAGRAM
OUTDOOR PCB CIRCUIT DIAGRAM . . . . . . . . . . .
. . . . . . . . . . . . .
9
10
SPECIFICATIONS
TYPE
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY
POWER SOURCE
FREQUENCY
RUNNING CURRENT
INPUT WATTS
E.E.R.
MOISTURE REMOVAL
AIR CIRCULATION-HIGH
ELECTRICAL DATA
COMPRESSOR
DIMENSIONS
TYPE
Hermetic type,
Deposit electrode condenser, 2 poles.
Single phase, Induction motor, Rotary
DISCRIMINATION
REFRIGERANT R410A
POWER SOURCE
DISCRIMINATION
INDOOR UNIT HIGH-SPEED
MED-SPEED
LOW-SPEED
DISCRIMINATION
OUTDOOR UNIT HIGH- SPEED
LOW-SPEED
INDOOR UNIT H x W x D
H x W x D
217 x 953 x 595 mm
OUTDOOR UNIT
FAN MOTOR
WEIGHT
INDOOR UNIT GROSS / NET
GROSS / NETOUTDOOR UNIT
900 g (31.7oz)
950 g (33.5oz)
1,050 g (37.0oz)
1,150 g (40.6oz)
7.5 m (25 ft)
10 m (33 ft)
15 m (49 ft)
20 m (66 ft)
20 g/m (0.71oz / 3.3ft)
Cool
230 V
50 Hz
230 V
MFA-18NTT
29 kg / 25 kg
ARY18FUAL
AOY18FNDN
5.40 kW
9.0 A
2.03 kW
2.87 kW/kW
1,000 m3/hr
5KS225DAC
900 g
1,250 r.p.m.
1,095 r.p.m.
955 r.p.m.
MFB-24JTAS
780 r.p.m.
400 r.p.m.
650 x 830 x 320 mm
51 kg / 47 kg
1.6 L/hr
REFRIGERANT CHARGE (R410A)
PIPE LENGTH
FULL CHARGE
ADDITIONAL REFRIGERANT
TYPE
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY
POWER SOURCE
FREQUENCY
RUNNING CURRENT (Heat)
INPUT WATTS (Heat)
E.E.R. (Heat)
MOISTURE REMOVAL
AIR CIRCULATION-Hi
ELECTRICAL DATA
Hermetic type,
Deposit electrode condenser, 2 poles.
Single phase, Induction motor, Rotary
217 x 953 x 595 mm
Cool and Heat
230 V
50 Hz
230 V
MFA-18NTT
29 kg / 25 kg
ARY18UUAL
AOY18UNDNL
5.40 kW
HEATING CAPACITY
6.00 kW
8.7 A
RUNNING CURRENT (Cool)
8.8 A
1.87 kW
INPUT WATTS (Cool)
1.92 kW
3.21 kW/kW
E.E.R. (Cool)
2.81 kW/kW
1,040 m3/hr
5KS225DAC
1,400 g
1,250 r.p.m.
1,095 r.p.m.
955 r.p.m.
MFB-24JTAS
780 r.p.m.
400 r.p.m.
650 x 830 x 320 mm
56 kg / 52 kg
1.6 L/hr
1,400 g (49.5oz)
1,450 g (51.1oz)
1,550 g (54.7oz)
1,650 g (58.2oz)
20 g/m (0.71oz / 3.3ft)
COMPRESSOR
DIMENSIONS
TYPE
DISCRIMINATION
REFRIGERANT R410A
POWER SOURCE
DISCRIMINATION
INDOOR UNIT HIGH-SPEED
MED-SPEED
LOW-SPEED
DISCRIMINATION
OUTDOOR UNIT HIGH- SPEED
LOW-SPEED
INDOOR UNIT H x W x D
H x W x DOUTDOOR UNIT
FAN MOTOR
WEIGHT
INDOOR UNIT GROSS / NET
GROSS / NETOUTDOOR UNIT
7.5 m (25 ft)
10 m (33 ft)
15 m (49 ft)
20 m (66 ft)
REFRIGERANT CHARGE (R410A)
PIPE LENGTH
FULL CHARGE
ADDITIONAL REFRIGERANT
12006.05.24
OUTLINE AND DIMENSIONS
Unit : mm
Models :
ARY18FUAL
ARY18UUAL
22006.05.24
953
920
600
150
217
605
57520
886
850
390
OUTDOOR UNIT
Unit : mm
Models :
AOY18FNDN
AOY18UNDNL
Air flow
Bottom
603
343
350
830
650
12
32006.05.25
Refrigerant pipe
15.88mm(5/8")
Refrigerant pipe
6.35mm(1/4") Capillary tube
Charging valve Compressor
OUTDOOR UNITINDOOR UNIT
REFRIGERANT SYSTEM DIAGRAM
Strainer
Condenser
INDOOR UNIT
Refrigerant pipe
6.35mm(1/4")
Refrigerant pipe
15.88mm(5/8")
Capillary
tube
OUTDOOR UNIT
Condenser
Muffler
Compressor
Strainer
4-Way
valve
Charging valve
Evaporator
Distributor
Accumulator
Models :
ARY18FUAL / AOY18FNDN
Models :
ARY18UUAL / AOY18UNDNL
Evaporator
Strainer
Cooling
Heating
: Flare coupling
42006.05.24
Models :
ARY18FUAL / AOY18FNDN
CIRCUIT DIAGRAM
52006.07.21
BLACK
BLACK
GRAY
GRAY
BLACK
WHITE
RED
BLACK
WHITE
GREEN
WHITE
WHITE
BLUE
PURPLE
PINK
RED
WHITE
BLACK
GREEN / YELLOW
BLACK
WHITE
GRAY
CN19 CN1
CN5
CN4
CN15
( FLOAT SW )
CN11
( FRESH AIR )
CN17
CN6
( DRAIN PUMP )
CN7 CN8
CN13
( INDICATOR )
1
2
3
4
5
6
7
8
1
2
3
1
2
3
4
5
6
1
2
3
4
5
6
1
2
1
2
1
2
1
2
3
1
2
1
21
2
Use T 3.15A - 250V
Fuse on F101
3
1
1
2
2(N)
TERMINAL
FAN MOTOR
FAN MOTOR
CAPACITOR
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
TO REMOTE CONTROL UNIT
TO OUTDOOR UNIT
OUTDOOR UNIT
CONTROL
REMOTE
CONTROL
F M
POWER SUPLLY PCB
CONTROLLER PCB
Models :
ARY18UUAL / AOY18UNDNL
62006.07.21
Controller PCB Assy
BLACK
BLACK
GRAY
GRAY
BLACK
WHITE
RED
BLACK
WHITE
GREEN
WHITE
WHITE
BLUE
PURPLE
PINK
RED
WHITE
BLACK
GREEN /
YELLOW
RED
WHITE
BLACK
CN1
CN5
CN4
CN17
CN7 CN8CN6
( DRAIN PUMP )
CN10
( HEATER )
CN13
( INDICATOR )
CN11
( FRESH AIR )
CN15
( FLOAT SW )
1
2
3
4
5
6
7
8
3
2
1
3 2 1
6
5
4
3
2
1
1
2
3
2
1
2
1
2
121 2 1
1
2
Use T 3.15A - 250V
Fuse on F101
TERMINAL
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
FAN MOTOR
FAN MOTOR
CAPACITOR
F M
2(N)
1
3
4
5
6
1
2
3
TO OUTDOOR UNIT TO REMOTE CONTROL UNIT
REMOTE
CONTROL UNIT
OUTDOOR UNIT
CONTROL
CONTROLLER
PCB ASSY
POWER SUPPLY
PCB ASSY
Model : ARY18FUAL
INDOOR PCB CIRCUIT DIAGRAM
R29 - R32
10K <1/10W> x 4
POWER
RELAY
CN19
B2P3-VH-B-R RED
CN19-2
CN19-1
12V
5V
NC
JM10
C47
0.1
<F>
C15
0.1
<F>
5V
C14
100/
6.3V
+
C13
0.1
<F>
I C3
7805
IO
G
5V
5V
R33 - R36
1.0K <1/10W> x 4
C26 - C29
0.01 <F> x 4
CR6
0.01
<F>
R9 390
<1/10W>
R10
10K
<1/10W>
NC
C18
0.01
<F>
C17
0.01
<F> Q3
DTC124EKA
I C5 (1/7)
uPA2003GR
CR1 10K
<1/10W>
10
8
7
9
11 6
5
12
13 4
314
15 2
5
12
13 4
314
15 2
I C6 (4/7)
uPA2003GR
5V
5V
R21 - R24
10K <1/10W> x 4
R25 - R28
1.0K <1/10W> x 4
C22 - C25
0.01 <F> x 4
R40 1.0K <1/10W>
R41 1.0K <1/10W>
R42 1.0K <1/10W>
C10 C12 C30
0.01 <F> x 3
C44
0.1
<F>
5V
R55
10K
<1/10W>
X1
CSTS0500MG03-T
5V
C49
0.01
<F>
C45
0.1
<F>
I C8
PST600C
3
2
1
CN15-1
CN15-3
CN15-2
CN15
B3B-XARK-1-A
RED
FLOAT SWITCH
5V
RJ1 1.0K
<1/10W>
RJ2
10K
<1/10W>
REMOTE CONTROL UNIT
AR-3TA2
TERMINAL
BOARD
SW4
DSS803
No.3
No.1
No.2
C31 C16 C43
0.01 <F> x 3
R81 1.0K <1/10W>
R71 1.0K <1/10W>
R72 1.0K <1/10W>
CR2 - CR4
10K <1/10W> x 3
C1 0.1
<F>
5V
10K <1/10W> x 3
R70 R69 R80
D7
DA226U
R65 390 <1/10W>
5V
R67 1.0K
<1/10W>
R68 10K
<1/10W>
CR7
0.01
<F>
I C6 (1/7)
uPA2003GR
Q5
2SC2712
Q6
2SC2712
7 10
+
12V
12V
12V
12V
5V
5V
I C11-2
BA10358
R62 4.7K
<1/10W>
R61
10K
<1/10W>
R60
10K
<1/10W>
R63 15.4K
<1/10W>
(1%) R64
28K
<1/10W>
(1%)
R66
10K
<1/10W>
CR5
1000P
<R>
R54 47 <1/10W>
R51 1.0K <1/10W>
C40
0.01
<F>
5V
R52
10K
<1/10W>
R53
10K
<1/10W>
5V
C41
10/
25V
+C42
0.01
<F>
CN13
B8B-XASK-1-A
CN17
B3B-XAKK-1-A
BLACK
CN13-7
CN13-6
CN13-5
CN13-8
CN13-4
CN13-3
CN13-2
CN13-1
CN11-2
CN11-1
CN10-1
CN10-2
5V
14V
14V C38
0.01
<F>
R49 1.0K
<1/10W>
R48
10K
<1/10W>
CN10
B2B-XAMK-1-A GREEN
HEATER
CN11
B2B-XARK-1-A RED
FRESH AIR
JEM-A
HA
5V
CN14
B4B-XH-AM
Q4
DTC124EKA
R47 390
<1/10W>
CN14-1
CN14-1
CN14-4
CN14-3
5V
BZ1
PKM13EPY-4000
R56 R57 1.0K <1/10W>
B Z
I C4 (7/7)
uPA2003GR
I C6 (2/7)
uPA2003GR
uPA2003GR
I C5 (1/7)
14V
11
6
1 16
16
1
710
512
4
611
913
3 14
8
152
116
R77 - R79
10K <1/10W> x 4
R50 10K <1/10W>
C35
1000P
<R>
C32
1000P
<R>
R44 1.0K <1/10W>
R46 1.0K <1/10W>
R43 10K
<1/10W>
(1%)
R45 49.9K
<1/10W>
(1%) 5V
C39
0.1
<F>
C34
0.1
<F>
C37
0.1
<F>
I C7
BR93LC46RF
D0
D1
CK
CS
VCC
NC
NC
GND1
2
3
4
5
6
7
8
R75 R76 R58 R100
10K <1/10W> x 4
ROOM TEMPERATURE
THERMISTOR
PIPE TEMPERATURE
THERMISTOR
5V
CN8 B2B-XASK-1-A
B2B-XAKK-1-A BLACK
CN7
CN8-1 BLACK
CN8-2 BLACK
CN7-2 GRAY
CN7-1 GRAY
5V
14V
C19 - C21
0.01 <F> x 3
R20 1.0K <1/10W>
R19 1.0K <1/10W>
R18 1.0K <1/10W>
R15 - R17
10K <1/10W> x 3
JM1
JM2
JM3
C11
10/
25V
+
I C2
7812
I O
G
D6
D2FL20U
C54
0.01
<F>
PRIMARY SECONDARY
C9
1000
/25V
+
R8 10K
<1/10W> 10K <1/10W> x 4
R59 R97 R98 R99
T1
SWITCHING TRANSFORMER
ZFT29B01
I C11-1
BA10358
12
3
+
UL1430 AWG22
UL1430 AWG22
UL1430 AWG22
BLACK
WHITE
RED
3 2 1
L2
L4
L3
CN17-1
CN17-2
CN17-3
OUTDOOR UNIT
E
6
5
4
3
1
2(N)
5V
14V
R93 - R96
10K <1/10W> x 4
R13
10K
<1/10W>
R12 1.0K <1/10W>
I C9
TLP621
<GB>
D8
D1F60
R11 56K
<1W>
I C5 (5/7)
uPA2003GR 14V
VA2
470V
+
-
SSR1
G3MC-201PL-VD
CN9
B5P-SHF-1AA
WHITE
TEST
CN9-1
CN9-5
CN9-4
CN9-3
CN9-2
K 2
K 8
K 7
K 5
K 6
K 4
K 3
K 1
ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )
ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )
AUTO RESTART
SW1
DSS803
No.1
No.3
No.2
10K <1/10W> x 3
R39 R38 R37
C 1
2
4
8
SW2
DRS4016-5
JM6
C101
0.22
C105
0.022
C106
0.022
LF101 ELF17N015A
VA101
470V
VA102
470V
SA101
<3600>
TM102
TM101
E101 W103 W104
C8
100/6.3V
+
CUSTOM CODE SWITCHING
CUSTOM CODE SWITCHING
CUSTOM CODE SWITCHING
R4
330K
<SPRH-2W>
Q1
2SC4236
C6
4700P
<ECQM>
R5 62K
<RSP2-2W>
D5
1SR139-600
D10
1SR139-600
R6 100
<1/2W>
C7 0.047
<ECQB>
D2
D1FL20U
D4
D1FL20U
D3
MTZJ5.1B
R2 1.5
<RSP2-2W>
Q2
2SC1815
R3 100
<1/10W>
R7
330
<1/4W>
+
C5
100/450V
D1
D3SB60
FH101 FH102
F101
3.15A
<BET>
L
N
FAN CAPACITOR
450V 2.3uF
FAN MOTOR
DRAIN PUMP
TERMINAL BOARD
POWER SOURCE
220 / 240V
50Hz
K1
G5S-1
DC12V
K2
G5S-1
DC12V
K3
G5S-1
DC12V
K4
G5NB-1A DC12V
C3 0.22 <RE>
R88 120 <1/2W>
CN6 B2P3-VH-B-E
BLUE
B6P11-VH-B
WHITE
CN5
CN6-1
CN6-2
CN5-6
CN5-5
CN5-4
CN5-3
CN5-2
CN5-1
PURPLE
BLUE
PINK
RED
WHITE
BLACK
CN4
B2P3-VH-B-Y YELLOW
CN4-1
CN4-2
UL1015 AWG20 WHITE
UL1015 AWG20 WHITE
YELLOW / GREEN
F M
CN1 B2P3-VH-B-C BLACK
CN1-1
CN1-2
UL1015 AWG18 WHITE
UL1015 AWG18
BLACK
UL1015 AWG16
GREEN
POWER SUPPLY PCB
EZ-0030GWSE-P
UL1015 AWG14 WHITE
UL1015 AWG14 BLACK
R1 3.3
<RGGS-5W>
I C 1
uPD78F0058GC
76
77
8
9
10
6
15
14
25
26
35
34
50
47
27
18
17
16
13
12
11
5
28
29
30
31
32
62
61
53
64
78
79
80
24
23
22
73
60
69 3
X2
RESET
70
1
21
20
19
46
45
44
43
48
49
51
52
36
37
38
39
40
42
41
63
59
58
57
56
72
71
33
67
4
7
75
68
74
65
66
55
54
3
2
1
P10
P11
P70
P71
P72
P131
P24
P23
P46
P47
P57
P56
P36
P33
P50
P27
P26
P25
P22
P21
P20
P130
P51
P52
P53
P54
P55
P01
P00
P121
P03
P12
P13
P14
P45
P44
P43
XT1
2
P42
P41
X1
P40
P32
P31
P30
P67
P34
P35
P37
P120
P60
P61
P62
P63
P64
P66
P65
P02
P127
P126
P125
P124
XT2
I C
VSS1
VSS0
AVSS
AVRF1
AVRF0
VDD1
VDD0
P04
P05
P123
P122
P17
P16
P15
Controller PCB Assy
EZ-00305WSE-C
MODEL CHANGING
MODEL CHANGING
REMOTE TYPE
CHANGING
UL1015
AWG18
GRAY
CR8
TA120033
K8
G5NB-1A
C103
0.01
C104
0.01
72006.05.24
28
29
30
31
32
62
5
11
12
13
16
17
18
27
47
50
34
35
26
25
14
15
6
10
9
8
77
76
61
53
64
78
79
80
24
23
22
73
60
3
169
70
X1 X2
20
21
19
46
45
44
43
48
49
51
52
36
37
38
39
40
63
42
41
59
58
57
56
72
71
33
67
4
7
75
68
74
65
66
55
54
3
2
1
P10
P11
P70
P71
P72
P131
P24
P23
P46
P47
P57
P56
P36
P33
P50
P27
P26
P25
P22
P21
P20
P130
P51
P52
P53
P54
P55
P01
P00
P121
P03
P12
P13
P14
P45
P44
P43
XT1
RESET
P40
P41
P42
P32
P31
P30
P67
P34
P35
P37
P120
P60
P61
P62
P63
P64
P02
P66
P65
P127
P126
P125
P124
XT2
I C
VSS1
VSS0
AVSS
AVRF1
VDD0
VDD1
AVRF0
P04
P05
P123
P122
P17
P16
P15
I C 1
C19 - C21
0.01 <F> x 3
14V
12V
5V
5V
I O
G
I O
G
8
10 7
9
11 6
5
12
413
14 3
2
15
5
4
3
2
12
13
14
15
3
4
8
913
152
16
14
1
512
6 11
107
161
116
611
10
7
5
6
71
3
2
1
3
2
+
-
5V
14V
14V
I C4 (7/7)
uPA2003GR
14V
I C6 (2/7)
uPA2003GR
I C5 (1/7) uPA2003GR
R52
10K
<1/10W>
R53
10K
<1/10W>
C38
0.01
<F>
R56
R77 - R79
10K <1/10W> x 4
BZ1
PKM13EPY-4000
R57 1.0K
<1/10W>
B Z
5V
R51 1.0K <1/10W>
C40
0.01
<F>
R54 47 <1/10W>
CR5
1000P
<R>
5V 5V
R61
10K
<1/10W>
R60
10K
<1/10W>
CR7
0.01
<F>
Q5
2SC2712
Q6
2SC2712
I C6 (1/7)
uPA2003GR
12V
5V
5V
12V
12V
12V
D7
DA226U
R62 4.7K
<1/10W>
I C11-2
BA10358
R65 390
<1/10W>
R66 10K
<1/10W>
R64
28K (1%)
<1/10W>
R63
15.4K (1%)
<1/10W>
5V
5V
5V C49
0.01
<F>
C45
0.1
<F>
C44
0.1
<F>
R55
10K
<1/10W>
I C8
PST600C
RJ2
10K
<1/10W>
RJ1 1.0K
<1/10W>
FLOAT SWITCH
CN15
B3B-XARK-1-A
RED
CN15-1
CN15-2
CN15-3
1
3
2
2
X1
CSTS0500MG03-T
C31 C16 C43
0.01 <F> x 3
CR2 - CR4
10K <1/10W> x 3
R81 1.0K <1/10W>
R71 1.0K <1/10W>
R72 1.0K <1/10W>
SW4
DSS803
10K <1/10W> x 3
R70 R69 R80
C1 0.1
<F>
R67 1.0K
<1/10W>
R68 10K
<1/10W>
L2 CN17-1
L3 CN17-3
L4 CN17-2
TERMINAL BOARD
I C11-1
BA10358
13
2
+
-
REMOTE CONTROL UNIT
AR-3TA1
UL1430 AWG22 RED
UL1430 AWG22
WHITE
UL1430
AWG22
BLACK
CN17
B3B-XAKK-1-A
BLACK
CN13
B8B-XASK-1-K
WHITE
DISPLAY BOARD
5V
+
C41
10/
25V
C42
0.01
<F>
CN13-1
CN13-4
CN13-3
CN13-2
CN13-6
CN13-7
CN13-5
CN13-8
CN11-1
CN11-2
CN10-1
CN10-2 HEATER
FRESH ATR
CN10 B2B-XAMK-1-A GREEN
CN11 B2B-XARK-1-A RED
HA
JEM-A
5V
CN14
B4B-XH-AM
Q4
DTC124EKA
R47 390
<1/10W>
R48
10K
<1/10W> CN14-1
CN14-4
CN14-3
CN14-2
R49 1.0K
<1/10W>
5V
5V
CN8 B2B-XASK-1-A
CN7 B2B-XAKK-1-A BLACK
CN8-1 BLACK
CN8-2 BLACK
CN7-2 GRAY
CN7-1 GRAY
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
10K <1/10W> x 4
R75 R76 R58 R100
C54
0.01
<F>
JM6
PRIMARY SECONDARY
I C3
7805
5V
VA1 470V
<TNR>
5V
R29 - R32
10K <1/10W> x 4
R33 - R36
1.0K <1/10W> x 4 NC
JM10
+C47
0.1
<F>
C15
0.1
<F>
C13
0.1
<F>
C14
100/
6.3V
SW2
DRS4016-5
C26 - C29
0.01 <F>
x 4
CR1
0.01
<F>
5V
CR6
0.01
<F>
C39
0.1
<F>
C37
0.1
<F>
C34
0.1
<F>
R43 10K
<1/10W>
(1%)
R45 49.9K
<1/10W>
(1%) 5V
I C7
BR93LC46RF
R50 10K <1/10W>
C32
1000P
<R>
C35
1000P
<R>
R44 1.0K
<1/10W>
R44 1.0K
<1/60W>
DO
D I
CK
CS
VCC
NC
NC
GND
1
2
3
4
5
6
7
8
R20 1.0K <1/10W>
R19 1.0K <1/10W>
R18 1.0K <1/10W>
C11
10/
25V
+
I C2
7812
R15 - R17
10K <1/10W> x 3
JM1
JM3
JM2
D6
D2FL20U 10K <1/10W> x 4
R59 R97 R98 R99
I C 10 H I 2002
C1
1
8
4
2
5
2
3
4
10
14
18
5V R93 - R96
10K <1/10W> x 4
14V
+
-
SSR1
G3MC-201PL-VD
DC12V
I C5 (5/7)
uPA2003GR 14V
VA2
470V <TNR>
K 1
K 2
K 3
K 4
Q3
DTC124EKA
C17
0.01 <F>
R9 390
<1/10W>
R10
10K
<1/10W>
R14 10K
<1/10W>
I C5 (1/7)
uPA2003GR
5V
5V
I C6 (4/7)
uPA2003GR
R21 - R24
10K <1/10W> x 4
R25 - R28
1.0K <1/10W> x 4
C22 - C25
0.01 <F> x 4
FAN MOTOR
F M
YELLOW / GREEN
2(N)
OUTDOOR UNIT
E
6
5
4
1
3
POWER SOURCE
230V
50Hz
TERMINAL BOARD
DRAIN PUMP
CN6
B2P3-VH-B-E
BLUE
BLACK
WHITE
RED
PINK
PURPLE
BLUE
UL1015 AWG14 BLACK
UL1015 AWG18 RED
UL1015 AWG14 WHITE
UL1015
AWG16
GREEN
UL1015
AWG18
BLACK
UL1015 AWG18 WHITE
UL1015 AWG20 WHITE
UL1015 AWG20 WHITE
FAN CAPACITOR
450V
2.3uF
E101 W103 W104
CN1 B3P5-VH-B-C BLACK
CN4
B2P3-VH-B-Y YELLOW
R88 120 <1/2W>
C3 0.22 <RE>
K3
G5S-1 DC12V
K2
G5S-1
DC12V
K1
G5S-1
DC12V
K4
G5NB-1A DC12V
CN5 B6P11-VH-B WHITE
CN6-1
CN6-2
CN5-3
CN5-2
CN4-2
CN5-1
CN5-6
CN5-5
CN5-4
CN4-1
CN1-1
CN1-3
CN1-2
CN9-1
CN9-5
CN9-4
CN9-3
CN9-2
CN9
B5P-SHF-1AA
WHITE
TEST
SW1
DSS803
10K <1/10W> x 3
R39 R38 R37
R40 1.0K <1/10W>
R41 1.0K <1/10W>
R42 1.0K <1/10W>
0.01 <F> x 3
C10 C12 C30
AUTO RESTART
ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )
ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )
NO.1
NO.3
NO.2
CUSTOM CODE SWITCHING
CUSTOM CODE SWITCHING
CUSTOM CODE SWITCHING
R8 10K
<1/10W>
+
C9
1000
/25V
T1
SWITCHING TRANSFORMER
ZFT29B01
R5 62K
<RSP2-2W>
C6
4700P
<ECQM>
R4 330K
<SPRH-2W> D10
1SR139-600
D5
1SR139-600
D1
D3SB60
+R2 1.5
<RSP2-2W>
+
C5
100/450V
R1 3.3
<RGGS-5W> Q1
2SC4236
C8
100/6.3V
R7 330
<1/10W>
D2
MTZJ5.1B
D4
D1FL20U
D2
D1FL20U
R6 100
<1/2W>
C7 0.047
<ECQB>
Q2
2SC1815
R3 100
<1/10W>
TM101
TM102
VA102
470V <TNR>
SA101
<3600>
VA101
470V <TNR>
LF101
ELF17N015A
FH101 FH102
F101
3.15A
<BET>
L
N
POWER SUPPLY PCB
EZ-00225HSE-P
C101
0.22
C105
0.022
C106
0.022
C103
0.01
C104
0.01
3 2 1
NO.2
NO.3
NO.1
MODEL TYPE
REMOTE CONTROL
UNIT TYPE
MODEL TYPE
uPD780058BGC
-108-8BT
Controller PCB Assy
EZ-0030THSE-C
Model : ARY18UUAL
82006.05.24
5V
5V
5V
5V
CR2
0.01
<F>
CR3
0.01
<F>
R7 10K
<1/4W>
R13 1.0K
<1/4W>
R9 4.7K
<1/4W>
C18
0.01
<F>
R10 4.7K
<1/4W>
Q3
DTC124EKA
Q4
DTC124EKA
12V IC6 (7/7)
uPA2003GR
12V
K 1
K 2
K 3
K 6
4WV
FAN-ON (HI)
FAN-LO
C. CH
9
12 5
1
3
2
4
6
7
8
16
14
15
13
11
10
4
5
3
1
2
14
10
18
IGO
34
35
10
24
38
25
9
42
39
30
29
28
27
43
46
45
55
59
57
58
56
54
53
37
23
22
16
15
8
7
6
5
4
3
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
X1
8.38MHz
X1 X2
1
2
3
41 40
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
47
48
49
50
51
52
60
61
62
63
64
2
1
31
32
33
14
13
12
11
44
26
21
18
19
20
17
36
RESET
P36
P22
P21
P20
P23
P17
P01
P30
P31
P32
P33
P10
P11
P12
P50
P51
P70
P71
P72
P73
P74
P75
P43
P44
P45
P46
P47P52
P53
P54
P55
P56
P57
P34
P35
P24
P25
XT2
P64
P65
P67
P41
P40
P42
P66
P02
P03
P00
P16
P15
P14
P13
I C
GND1
GND0
AGND
XT1
VDD1
VDD0
AVDD
AVREF
5V 5V
CS
SK
D1
NC
D0
NC
GND
VCC
5V
5V
CJ4
R40
10K <1/4W>
CR1
10K <1/4W>
C20
0.01
<F>
C16
0.01
<F>
C17
0.01
<F>
C19
0.01
<F>
I C 1
uPD7800024AGK
-B67-9ET
R18 - R21
1.0K <1/4W> x 4
R15 1.0K <1/4W>
R16 1.0K <1/4W>
R17 1.0K <1/4W>
CJ1
1000P
<B>
CJ3
1000P
<B>
CJ2
1000P
<B>
5V
R27 10K
<1/4W>
R28 10K
<1/4W>
LED1
SLR-325
<RED>
LED2
SLR-325
<RED>
R11
14K (1%)
<RN - 1/5W>
R3
6.65K (1%)
<RN - 1/5W>
R12
14K (1%)
<RN - 1/5W>
C25
0.1
<F>
C26
0.1
<F>
C27
0.1
<F>
R35 - R38
10K <1/4W> x 4 5V
5V
C22
0.1
<F>
R29 10K
<1/4W>
IC7
BR93LC46
R30
10K
<1/4W>
R32
10K
<1/4W>
R31
10K
<1/4W>
C24
0.1
<F>
C23
0.1
<F>
R33
10K
<1/4W>
IC5
PST600C
VCC
OUT
GND
CN10
B5P-SHF-1AA
<WHITE>
CN11
B2P-VH-B
<WHITE> PIPE TEMPERATURE THERMISTOR
TEST
CN10-1
CN10-5
CN10-4
CN10-3
CN10-2
CN11-1
CN11-2
OUTDOOR TEMPERATURE THERMISTOR
CN12 B2P-VH-B-C <BLACK>
CN12-2
CN12-1
GRAY
GRAY
BLACK
BLACK
BROWN
BROWN
B2P-VH-B-R <RED>
CN13
CN13-2
CN13-1
DISCHARGE TEMPERATURE THERMISTOR
TIMER
TEST 1
TEST 3
TEST 2
E
TERMINAL BOARD
TO INDOOR UNIT
E
L
N
3
2
1
BLUE
WHITE
POWER SOURCE
230V
50Hz
F M
FAN MOTOR
CN5-1
CN5-4
CN5-3
CN5-2
UL1015 AWG20
UL1015 AWG20
UL1015 AWG20
UL1015 AWG20
BLACK
WHITE
RED
BLUE
H
L
BLACK
BLACK
UL1015 AWG12
R
SC
COMP
12V
WHITE
RED
COMPRESSOR RUNNING
CAPACITOR
BLACK
BLACK
CN9-1
CN9-2
4WV
CN9
179844-1 <WHITE>
K1
G5NB-1A
DC12V
E
EMI FILTER
ZCAT1518-0730
POWER RELAY
JM1AN-ZTM-DC12V
FAN
CAPACITOR
450V 3.5uF
CN4-1
CN4-2
UL1015 AWG18
UL1015 AWG18
WHITE
WHITE
CN15-1
CN15-2
RED
UL1430 AWG24
UL1430 AWG24
RED
CN15
B2B-XASK-1-A
<WHITE>
CN4
53331-0210
<WHITE>
R25
120
CN8
179844-2
<RED>
K6
G5NB-1A
DC12V
K2
G5NB-1A
DC12V
CN5
B4P7-VH-B
<WHITE>
K3
JQ1-12V
C4
0.22
<RE>
UL1015 AWG16
GREEN
THERMAL FUSE
PRIMARY
SECONDARY
UL1430 AWG22 RED CN3-2
CN3-1RED
UL1430 AWG22
CN3
B2B-XH-AM
<WHITE>
POWER
TRANSFORMER
EZ-095HHSE-T1
CN2
B2P3-VH-B-R <RED>
CN2-2
CN2-1
UL1015
AWG22
PURPLE
UL1015
AWG22
PURPLE
CN1-1
CN1-3
CN1-2
CN1
B3P5-VH-B-R
<RED>
FH1 FH2
F1
3.15A
<250V>
VA1 470
<TNR>
VA4
470
<TNR>
SA1
RA-362M VA5
470
<TNR>
C14
0.01
<F>
C15
0.01
<F>
LF1
ELF17N015A
C2
0.22
<RE>
C1
0.22
<RE>
IC2 HU2001
C28
0.1
<F>
5V
R41 10K
<1/4W>
JM1
5V
+C13
100/
25V
C29
0.1
<F>
12V IC4
7805
D3
D1F60
+C12
2200
/25V
+
Q1
2SD880
C7
10/
25V
+
R22 1.0K
<1/4W>
D2
MTZJ15C
D1
D2SB20
C11
2200
/35V
+
R1
5.6K
<1/4W>
R2
5.6K
<1/4W>
C8
10/
25V
UL1015 AWG12 WHITE
UL1015 AWG20 RED
UL1015 AWG20 BLACK
UL1015 AWG20 WHITE
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
EZ-0028HUE-C
Model : AOY18UNDNL
OUTDOOR PCB CIRCUIT DIAGRAM
92006.05.24
ERROR CONTENTS
102006.03.13
SU
MO
TU
WE
TH FR
SA
(1) Stop the air conditioner operation.
(2) Press the master control button and the fan control button simultane-
ously for 2 seconds or more to start the test run.
Unit number (usually 0)
Error code
(3) Press the start/stop button to stop the test run.
[SELF-DIAGNOSIS]
When the error indication "E:EE" is displayed, follow the following items
to perform the self-diagnosis. "E:EE" indicates an error has occurred.
1. REMOTE CONTROLLER DISPLAY
1) Stop the air conditioner operation.
2) Press the set temperature buttons simultaneously for 5 sec-
onds or more to start the self-diagnosis.
Refer to the following tables for the description of each error code.
Test run display
(3) Press the set temperature buttons simultaneously for 5 sec-
onds or more to stop the self-diagnosis.
Ex. Self-diagnosis
Room temperature sensor open
Room temperature sensor short-circuited
Indoor heat exchanger temperature sensor open
Indoor heat exchanger temperature sensor short-
circuited
Outdoor heat exchanger temperature sensor open
Outdoor heat exchanger temperature sensor short-
circuited
Power source connection error
Float switch operated
Outdoor temperature sensor open
Outdoor temperature sensor short-circuited
Discharge pipe temperature sensor open
Discharge pipe temperature sensor short-circuited
Outdoor high pressure abnormal
Discharge pipe temperature abnormal
Model abnormal
Indoor fan abnormal
Outdoor signal abnormal
Outdoor EEPROM abnormal
02
03
04
05
06
07
08
09
0A
0b
0c
0d
0E
0F
11
12
13
14
2. OUTDOOR UNIT LEDS
When the outdoor temperature drops, the outdoor units fans may switch
to low speed.
ERROR : 18000 BTU/h model HEAT & COOL MODEL (REVERSE CYCLE) ONLY
The LED lamps operate as follows according to the error contents.
Error display
LED1 LED2 Error contents
When the fault is cleared, the LED lamp goes off.
However, for discharge pipe temperature abnormal and high pressure
abnormal, the LED lamp lights continuously for 24 hours, as long as the
power is not turned off.
0.1 sec.
OFF
ON
0.1 sec.
OFF
ON
Quick flash continued Quick flash continued
Model abnormal or
EEPROM abnormal
0.5 sec.
2 sec.
OFF
ON
OFF
ON
1 quick flash repeated Lighting continued
Power source
connection error
0.5 sec.
2 sec.
OFF
ON
OFF
ON
2 quick flash repeated Lighting continued
Discharge tempera-
ture sensor error
0.5 sec.
2 sec.
OFF
ON
OFF
ON
3 quick flash repeated Lighting continued
Outdoor heat
exchanger tempera-
ture sensor error
Error code Error contents
Communication error
(indoor unit remote controller)
Communication error
(indoor unit outdoor unit)
00
01
4 quick flash repeated Lighting continued Outdoor temperature
sensor error
5 quick flash repeated Lighting continued
Communication signal error
6 quick flash repeated Lighting continued Indoor unit error
7 quick flash repeated Lighting continued
Discharge temperature
abnormal
8 quick flash repeated Lighting continued
High pressure abnormal
DISASSEMBLY ILLUSTRATION
Models :
ARY18FUAL
ARY18UUAL
160
161
74
464
147
235
587
148
762
173
287
625 244
173
63
173
761
146
381-4
588-2
184-1
588-1
112006.05.24
Models :
ARY18FUAL
ARY18UUAL
122006.05.25
734
56
234
67
338
164
67
109
56
138
126
Models :
ARY18FUAL
ARY18UUAL
132006.07.21
815-1
381-4
815-2
380
236
240
991
992
875
34
514
Models :
AOY18FNDN
AOY18UNDNL
142006.06.27
Model : AOY18FNDN
13-2
13-1
152006.06.27
Model : AOY18UNDNL
272
13-1
13-2
272
259
343
344
162006.07.21
Model : AOY18FNDN
34
37
38
982-2
982-1
815-3
210
172006.07.21
Model : AOY18UNDNL
34
37
38
32
982-1
218-3
815-3
982-2
182006.07.21
PARTS LIST
Ref. No. Description
Part No. Ord.
Q'ty
ARY18FUAL ARY18UUAL
INDOOR UNIT
When you order parts, please make a photocopy of this page
and fill the number of the parts in the "Order" column.
34 Capacitor (Fan Motor)
56 Sirocco Fan Assy
63 Front Panel Assy
67 Rubber (Vibration - proof)
74 Air Filter
109 Casing Assy
126 Motor Fixing Table Assy
138 Panel Assy (Motor)
146 Evaporator Total Assy
147 Inlet Pipe (Eva.) Assy
160
161
Drain Pan Sub Assy
164 Fan Motor Assy
173 Hook Metal
184-1 Thermo. Spring-A
234 Thermistor Assy-Room
235 Thermistor Assy-Pipe
236 Controller PCB Assy
9900089160
9358621004
9363723007
313659068604
9366833017
9363322002
9358591000
9363401004
9364499413
9373034056
9364502069
9600778210
9363195002
313728262708
9703299018
9703297090
9704557544
9900089160
9358621004
9363723007
313659068604
9366833017
9363322002
9358591000
9363401004
9364499413
9373034056
148 Coupling Pipe Assy 93730380479373038047
9364502069
Drain Cap 93587460049358746004
9600778210
9363195002
313728262708
9703299018
9703297090
9704557612
(EZ-00305WSE-C) (EZ-0030THSE-C)
Remote Control Unit
Cover (Piping)
Cap (Power)
Motor Fixture
Locking Spacer
Spacer
Cover (Cabinet)
Control Box Cover
240
244
287
338
380
381-4
464
514
9372266014
9363327007
9352173011
9358594001
313209391403
0600118075
9363400007
9363201000
9372266021
9363327007
9352173011
9358594001
313209391403
0600118075
9363400007
9363201000
587
588-1 Bracket Eva. R
588-2 Bracket Eva. L
625 Cord Bushing
734 Panel Top
761 Side Panel-R Assy
762 Side Panel-L Assy
815-1 Terminal 6P
815-2 Terminal 3P
875 Power Supply PCB Assy
9363199000
9363198003
9359240006
9363504002
9363507003
9363505009
9900016036
9703345012
9704561084
9363199000
9363198003
9359240006
9363504002
9363507003
9363505009
9900016036
9703345012
9704561152
991 Bushing 93647880059364788005
992 One Touch Bush 93744070199374407019
Support Plate (Eva.) 93634040059363404005
192012.08.30
This manual suits for next models
3
Table of contents
Other Fujitsu Split Type Air Conditioner manuals
