Fujitsu ASY18FBAJ User manual

CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
OUTLINE AND DIMENSIONS
. . . . . . . . . . . . . . . . . . . . 3
REFRIGERANT SYSTEM DIAGRAM
. . . . . . . . . . . . . 4
ERROR DISPLAY
. . . . . . . . . . . . . . . . . . . . . . . . . 9
CIRCUIT DIAGRAM
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
PCB CIRCUIT DIAGRAM
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11
DISASSEMBLY ILLUSTRATION (Indoor unit)
. . . . 12
DISASSEMBLY ILLUSTRATION (Outdoor unit)
. . 15
PARTS LIST (Indoor Unit)
. . . . . . . . . . . . . . . . . . . . . . . 21
PARTS LIST (Outdoor Unit) . . . . . . . . . . . . . . . . . . . . . 25
SPLIT TYPE
ROOM AIR CONDITIONER
WA L L M O U N T E D ty pe
Models
Indoor unit Outdoor unit
ASY18FBAJ
ASY18FBBJ
ASY18UBAJ
ASY18UBBJ
ASY24FBBJ
ASY24UBBJ
AOY18FNAK
AOY18FNBK
AOY18UNAKL
AOY18UNBKL
AOY24FNBK
AOY24UNBKL
ASY18FBBN
ASY18UBBN
ASY24FBBN
ASY24UBBN
AOY18FNBN
AOY18UNBNL
AOY24FNBN
AOY24UNBNL
( made in Thailand )
( made in China )

SPECIFICATIONS
TYPE
INDOOR UNIT ASY18FBAJ
OUTDOOR UNIT AOY18FNAK
COOLING CAPACITY 5.40 kW5.40 kW
POWER SOURCE
FREQUENCY
RUNNING CURRENT 7.3 A
INPUT WATTS 1.66 kW
E.E.R. 3.25 kW/kW
MOISTURE REMOVAL
AIR CIRCULATION HIGH 950 m3/hr
ELECTRICAL DATA
COMPRESSOR
DIMENSIONS
TYPE Hermetic type, Deposit electrode condenser, 2 poles.
Single phase, Induction motor, Rotary
DISCRIMINATION 5KS205DAB
REFRIGERANT R410A 1,450 g
POWER SOURCE
Discrimination
INDOOR UNIT High speed 1,190 r.p.m.
Meddle speed 980 r.p.m.
Low speed
Discrimination
OUTDOOR UNIT High speed
INDOOR UNIT H x W x D 320 x 1,120 x 220 mm
OUTDOOR UNIT
FAN MOTOR
WEIGHT
INDOOR UNIT Gross / Net
H x W x D
Gross / Net
OUTDOOR UNIT
Pipe Length 7.5 m ( 25 ft ) 1,450 g (51.1 oz) 900 g (31.8 oz) 1,550 g (54.7 oz)
1,500 g (54.6 oz) 950 g (33.5 oz) 1,600 g (56.4 oz)
1,600 g (56.4 oz) 1,050 g (37.0 oz) 1,700 g (60.0 oz)
1,700 g (60.0 oz) 1,150 g (40.6 oz) 1,800 g (63.5 oz)
10 m ( 33 ft )
15 m ( 49 ft )
20 m ( 66 ft )
ADDITIONAL REFRIGERANT 20 g/m ( 0.215 oz/ft )
FULL CHARGE
AMOUNT
55 kg / 51 kg
REFRIGERANT CHARGE (R410A)
2.0 L/hr 2.0 L/hr
12005.05.11
Cooling only
ASY18FBBJ
ASY18FBBN
AOY18FNBK
AOY18FNBN
8.5 A
1.90 kW
2.84 kW/kW
795 m3/hr
5KS225DAC
900 g
1,040 r.p.m.
890 r.p.m.
760 r.p.m.760 r.p.m.
MFB-24JTT
780 r.p.m.
650 x 830 x 320 mm
51 kg / 47 kg
ASY24FBBJ
ASY24FBBN
AOY24FNBK
AOY24FNBN
6.80 kW
230 V
50 Hz
10.6 A
2.40 kW
2.83 kW/kW
950 m3/hr
5JS290DAA
1,550 g
230 V
MFA-30HTT
1,190 r.p.m.
1,020 r.p.m.
880 r.p.m.
22 kg / 16 kg
62 kg / 58 kg
2.5 L/hr

TYPE
INDOOR UNIT ASY18UBAJ
OUTDOOR UNIT AOY18UNAKL
COOLING CAPACITY 5.40 kW
POWER SOURCE
FREQUENCY
RUNNING CURRENT (Heat) 7.0 A
INPUT WATTS (Heat) 1.58 kW
E.E.R. (Heat) 3.61 kW/kW
MOISTURE REMOVAL
AIR CIRCULATION HIGH 950 m3/hr
ELECTRICAL DATA
COMPRESSOR
DIMENSIONS
TYPE Hermetic type, Deposit electrode condenser, 2 poles.
Single phase, Induction motor, Rotary
DISCRIMINATION 5KS205DAB
REFRIGERANT R410A 1,550 g
POWER SOURCE
Discrimination
INDOOR UNIT High speed 1,190 r.p.m.
Meddle speed 980 r.p.m.
Low speed
Discrimination
OUTDOOR UNIT High speed
Low speed
INDOOR UNIT H x W x D 320 x 1,120 x 220 mm
OUTDOOR UNIT
FAN MOTOR
WEIGHT
INDOOR UNIT Gross / Net
H x W x D
Gross / Net
OUTDOOR UNIT
Pipe Length 7.5 m (25 ft) 1,550 g (54.7 oz) 1,700 g (60.0 oz)
1,600 g (54.6 oz) 1,800 g (63.5 oz)
1,700 g (60.0 oz) 2,000 g (70.6 oz)
1,800 g (63.5 oz) 2,200 g (77.6 oz)
10 m (33 ft)
15 m (49 ft)
20 m (66 ft)
ADDITIONAL CHARGE 20 g/m (0.215 oz/ft) 40 g/m
FULL CHARGE
REFRIGERANT CHARGE (R410A)
2.0 L/hr 2.0 L/hr
22005.05.11
Cool and Heat
ASY18UBBJ
ASY18UBBN
AOY18UNBKL
AOY18UNBNL
8.3 A
1.85 kW
3.08 kW/kW
800 m3/hr
5KS225DAC
1,550 g
1,040 r.p.m.
890 r.p.m.
760 r.p.m. 760 r.p.m.
MFB-24JTBT
780 r.p.m.
400 r.p.m.
650 x 830 x 320 mm
56 kg / 52 kg
ASY24UBBJ
ASY24UBBN
AOY24UNBKL
AOY24UNBNL
6.80 kW
230 V
50 Hz
10.5 A
2.40 kW
3.08 kW/kW
970 m3/hr
5JS290DAA
1,700 g
230 V
MFA-30HTT
1,190 r.p.m.
1,020 r.p.m.
880 r.p.m.
22 kg / 16 kg
63 kg / 59 kg
2.5 L/hr
HEATING CAPACITY 5.70 kW
5.40 kW
5.70 kW 7.40 kW
RUNNING CURRENT (Cool) 7.3 A 8.3 A 10.6 A
INPUT WATTS (Cool) 1.66 kW 1.85 kW 2.40 kW
E.E.R. (Cool) 3.25 kW/kW 2.92 kW/kW 2.83 kW/kW

3
OUTLINE AND DIMENSIONS
Unit : mm
1,120
626
224
711
626
711
321
INDOOR UNIT
2005.01.17
OUTDOOR UNIT
Air flow
Bottom
603
343

REFRIGERANT SYSTEM DIAGRAM
ASY18FBBJ / AOY18FNBK
Models : ASY18FBAJ / AOY18FNAK
ASY18FBBN / AOY18FNBN
Cooling
: Flare coupling
Refrigerant pipe
15.88 mm (5/8")
Refrigerant pipe
6.35 mm (1/4")
Charging valve
INDOOR UNIT
Evaporator
Capillary tube
Compressor
Strainer
OUTDOOR UNIT
Condenser
ASY24FBBN / AOY24FNBN
Models : ASY24FBBJ / AOY24FNBK
Strainer
Refrigerant pipe
15.88 mm (5/8")
Refrigerant pipe
9.52 mm (3/8") Capillary tube
Charging valve
Compressor
OUTDOOR UNIT
INDOOR UNIT
Evaporator Condenser
2005.01.17 4

ASY18UBBJ / AOY18UNBKL
Models : ASY18UBAJ / AOY18UNAKL
ASY18UBBN / AOY18UNBNL
ASY24UBBN / AOY24UNBNL
Models : ASY24UBBJ / AOY24UNBKL
Evaporator
Distributor
Refrigerant pipe
15.88mm(5/8")
Refrigerant pipe
9.52mm(3/8")
Cooling
Heating
: Flare coupling
INDOOR UNIT
Strainer
Strainer
Charging valve
4-Way
valve
Compressor
Capillary
tube
OUTDOOR UNIT
Condenser
Accumulator
Evaporator
Refrigerant pipe
15.88mm(5/8")
Refrigerant pipe
6.35mm(1/4")
INDOOR UNIT
Strainer
Strainer
Charging valve
4-Way
valve
Compressor
Capillary
tube
OUTDOOR UNIT
Condenser
2005.01.17 5
Distributor
Muffler
Muffler

CIRCUIT DIAGRAM
GRAY
GRAY
WHITE
GREEN
GRAY
GRAY
GRAY
FM
BLACK
BLACK
WHITE WHITE
WHITE
BLACK
BLUE
RED
RED
BLACK
GRAY
GRAY
GRAY
GRAY
YELLOW
PINK
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
PURPLE
PURPLE
PURPLE
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
RED
PINK
M
M
M
GREEN/
YELLOW
LN
Fan Motor Capacitor
Fan
Motor
Terminal
Thermistor (Room temp.)
Thermistor (Pipe temp.)
Step Motor (Diffuser)
Step Motor (Right / Left)
Step Motor (Up / Down)
Transformer
Controller PCB
Display Board
CN4
CN5
CN11CN10CN7CN6
CN3
CN9CN2 CN1
CN201
THERMAL
FUSE 102
2
2
1
1
21
3
3
4
4
5
5
6
6
7
7
2
2
1
1
3
3
2 2
1 1
3 3
2 2
1 1
7 7
6 6
2 2
1 1
3 3
4 4
5 5
7 7
8 8 8 8
6 6
2 2
1 1
3 3
4 4
5 5
2 2
1 1
3 3
2 2
1 1
3 3
4 4
5 5
2 2
1 1
8 8
9 9
10 10
7 7
6 6
2 2
1 1
3 3
4 4
5 5
2 2
1 1
2 2
1 1
3 3
4 4
5 5
2 2
1 1
3 3
4 4
5 5
2 2
1 1
3 3
4 4
5 5
(N)
123
FUSE T 3. 15A 250V
Models
INDOOR UNIT
OUTDOOR UNIT
:
ASY18FBAJ / AOY18FNAK
ASY18FBBJ / AOY18FNBK
ASY18FBBN / AOY18FNBN
ASY24FBBJ / AOY24FNBK
ASY24FBBN / AOY24FNBN
2005.01.17 6
to Power Supply
Main Relay
Fuse 5A
Black
Black
White
Black
Black
White
White
White
Fan Motor
Compressor
Fan Motor
Capacitor
Compressor
Capacitor
Thermal
Protector
Internal
Overload
Protector

(PIPE TEMP.)
GRAY
GRAY
WHITE BROWN
GREEN
GRAY
GRAY
GRAY
FM
(ROOM TEMP.)
(RIGHT/ LEFT)
(UP/DOWN)
BLACK
BLACK
WHITE WHITE
WHITE
BLACK BLUE RED
BLUE
RED
RED
BLACK
GRAY
GRAY
GRAY
GRAY
YELLOW
PINK
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
PURPLE
PURPLE
PURPLE
GRAY
GRAY
GRAY
GRAY
GRAY
(DIFFUSER)
GRAY
GRAY
GRAY
GRAY
RED
PINK
M
M
M
GREEN/
YELLOW
LN
FAN MOTOR CAPACITOR
THERMISTOR
FAN
MOTOR
TERMINAL
THERMISTOR
STEP
MOTOR
STEP
MOTOR
STEP
MOTOR
TRANSFORMER
CONTROL BOARD
DISPLAY BOARD
CN4
CN5
CN11CN10CN7CN6
CN3
CN9CN2 CN1
CN201
THERMAL
FUSE 102
2
2
1
1
21
3
3
4
4
5
5
6
6
7
7
2
2
1
1
3
3
2 2
1 1
3 3
2 2
1 1
7 7
6 6
2 2
1 1
3 3
4 4
5 5
7 7
8 8 8 8
6 6
2 2
1 1
3 3
4 4
5 5
2 2
1 1
3 3
2 2
1 1
3 3
4 4
5 5
2 2
1 1
8 8
9 9
10 10
7 7
6 6
2 2
1 1
3 3
4 4
5 5
2 2
1 1
2 2
1 1
3 3
4 4
5 5
2 2
1 1
3 3
4 4
5 5
2 2
1 1
3 3
4 4
5 5
(N)
123
FUSE T 3. 15A 250V
456
OUTDOOR UNIT
INDOOR UNIT
Models : ASY18UBAJ / AOY18UNAKL
2003.12.01 7
FAN MOTOR
BROWN
BLACK
WHITE
WHITE
WHITE
BLUE

8
GRAY
GRAY
WHITE BROWN
GREEN
GRAY
GRAY
GRAY
FM
BLACK
BLACK
WHITE WHITE
WHITE
BLACK BLUE RED
BLUE
RED
RED
BLACK
GRAY
GRAY
GRAY
GRAY
YELLOW
PINK
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
PURPLE
PURPLE
PURPLE
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
RED
PINK
M
M
M
GREEN/
YELLOW
LN
Terminal
Step Motor (Diffuser)
Step Motor (Up / Down)
Step Motor (Right / Left)
Thermistor (Room temp.)
Thermistor (Pipe temp.)
Fan Motor Capacitor
Fan
Motor
Transformer
Controller PCB
DISPLAY BOARD
CN4
CN5
CN11CN10CN7CN6
CN3
CN9CN2 CN1
CN201
THERMAL
FUSE 102
2
2
1
1
21
3
3
4
4
5
5
6
6
7
7
2
2
1
1
3
3
2 2
1 1
3 3
2 2
1 1
7 7
6 6
2 2
1 1
3 3
4 4
5 5
7 7
8 8 8 8
6 6
2 2
1 1
3 3
4 4
5 5
2 2
1 1
3 3
2 2
1 1
3 3
4 4
5 5
2 2
1 1
8 8
9 9
10 10
7 7
6 6
2 2
1 1
3 3
4 4
5 5
2 2
1 1
2 2
1 1
3 3
4 4
5 5
2 2
1 1
3 3
4 4
5 5
2 2
1 1
3 3
4 4
5 5
(N)
123
FUSE T 3. 15A 250V
456
OUTDOOR UNIT
INDOOR UNIT
Models :
ASY18UBBJ / AOY18UNBKL
ASY18UBBN / AOY18UNBNL
ASY24UBBJ / AOY24UNBKL
ASY24UBBN / AOY24UNBNL
2005.01.17
to Power Supply
Compressor
Main Relay 4-way
Valve Coil
Fan Motor
Capacitor
Compressor
Capacitor
Internal
Overload
Protector
Thermal
Protector
Blue
Black
Black
White
Red
White
White
Brown
Black
Black
Black
Brown
Fuse 5A
Black
Black
White
White
Red
Fan Motor

C12
0.1
<F>
R3
1.0K <1/10W>
CN4
B4P7S-VH-B
D4 D1F60
+C8
10/25V
R1 10K
<1/2W>
D2
MTZJ15C
14V
R2 10K
<1/4W>
Q1
2SD1191
D3
D1F60
+
C9
10/
25V
+C10
1000
/25V
5V
5V
IC2
7805
C11
0.1
<F>
C14
100
/25V
+C15
0.1
<F>
I O
G
C13
1000P
<R>
14V
NC
NC
R4 4.7K
<1/10W>
Q2
DTC124EUA
R5
10K
<1/10W>
10K x 2
<1/10W>
R45
R46
IC5 (5/7)
uPA2003
SSR1
G3MC
201PL-VD
+
-
K 1
K1
JQ1-12V
14V
K 5
VA3 470V <TNR>
CN1
B2P3-VH-B
W6
COMP K5
G5NB-1A
E1
W2
C2
0.22 <RE>
C5 C6
0.022 x 2
<YE>
N
L
W1 FH1 FH2
F1
3.15A
<BET>
SA1
RA-362M
VA2
470V
<TNR>
VA1
470V <TNR>
C1
0.22 <RE>
5V
5V
C22
0.1
<F>
R12
10K <1/10W>
IC3
BR93LC46
5V
LF1
ELF17N015A 10K x 3
<1/10W>
R22
R24
R23
JM3
JM2
JM1
R21
R20
R19
1.0K x 3
<1/10W>
C27
C28
C26
0.01 x 3
<B>
1.0K x 3
<1/10W>
R17
R18 R16
JM6
JM5
JM4
1.0K x 3
<1/10W>
R15
R14
R13
C24
C23
C25
0.01 x 3
<B>
X1
5.00MHz
<CSTS>
69 70
61
33
67
4
55
54
53
58
57
56
13
12
11
10
20
19
23
22
52
51
9
8
64
80
78
73
7
75
68
74
59
63
49
47
46
45
76
77
27
28
29
30
31
32
34
35
40
41
42
43
71
65
17
16
15
14
50
60
VCC
NC
NC
GND
D0
D1
SK
CS
4
3
2
1
8
7
6
5
C21
RC4
RC3
RC2
1000P x 4
<R>
Q3
2SC982
D6
DA226U
R6
10K
<1/10W>
R7
10K
<1/10W>
15
16
13
14
12
3
5
4
1
2
CN3 B3B-XASK-1-A
D1
D2SB20
C7
2200
/50V
+
CN2
B2B-XARK-1-A
SECONDARY
PRIMARY
POWER
TRANSFORMER
EZ-0018HSE-T
IC6 (7/7)
uPA2003
C34
1000P
<R>
C33
1000P
<R>
R27
1.0K <1/10W>
R28
1.0K <1/10W>
R25
10K
<1/10W>
(1%)
R26
49.9K
<1/10W>
(1%)
C30
0.1
<F>
C29
0.1
<F>
5V
DTC124EUA x 3
Q7
Q6
Q5
Q4
DTA143
C35
1000P <R>
R42 47 <1/10W>
C36
0.01 <B>
R41 1.0K <1/10W>
5V
10K x 2
<1/10W>
R40
R39
+C42
10/
25V
C41
0.01
<F>
CN9
S08B-PASK-2
CN10
B2B-XASK-1-A
CN11
B2B-XAKK-1-A
14V
CN6
S10B-PASK-2
14V
IC7 (4/7)
uPA2003
CN7
S05B-PASK-2
5V
10K x 4
<1/10W> CN13
BS5P-SHF-1AA
R37
R38 R36 R35
R31
R32
R33
R34
1.0K x 4
<1/10W>
14V
11
14
13
12
6
5
4
3
14
15
16
10
13
12
10
11
1
6
5
4
3
2
7
7
IC7 (1/7)
uPA2003
R11
RC1
10K
<1/10W>
C37
C38
C39
C40
0.01 x 4
<B>
5V
C17
0.1 <F>
IC4
PST600C
5V
R8 10K
<1/10W>
C16
0.1 <F>
IC7-1
uPA2003
OI
G
R44 1.0K
<1/10W>
R43 1.0K
<1/10W>
1 16
BZ1
PKM13EPY-4000-TF01
B Z
TEST
1-1
1-3
GRAYUL1015 AWG22
UL1015
AWG16
GREEN
WHITE
BLACK
UL1015
AWG14
UL1015
AWG14
TERMINAL
BOARD
1
2
3
OUTDOOR UNIT
JM1 : FAN CHANGER
JM2 : REMOTE CONTROL CUSTOM CODE 1
JM3 : REMOTE CONTROL CUSTOM CODE 2
JM4 : AUTO RESTART
JM5 : HEATING TEMPERATURE CORRECTION
JM6 : HEATING TEMPERATURE CORRECTION
13-1
13-2
13-3
13-4
13-5
7-1
7-2
7-3
7-4
7-5
6-1
6-2
6-3
6-4
6-5
6-6
6-7
6-8
6-9
6-10
11-1
11-2
10-2
10-1
9-1
9-2
9-3
9-4
9-5
9-6
9-7
9-8
UL1430
AWG26
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
PURPLE
BLACK
BLACK
GRAY
GRAY
PINK
UL1061
AWG26
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
UL1061
AWG26
PINK
GRAY
GRAY
GRAY
GRAY
CN201 S08B-PASK-2
C201
0.1
<F>
5V
C202
10/
25V
+
SLR-325 x 3
C203
0.01
<F>
5V
R204
R203
R201
D202
SLR-325 <RED>
R202
330 x 4 <1/4W>
D204 <ORG>
D201 <ORG>
D203 <GRN>
PHA201
SBX1810
VCC
OUT
GND1
GND2
SW201
EVQ-PAG-04K
201-1
201-2
201-3
201-4
201-5
201-6
201-7
201-8
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
INDICATOR PCB
EZ-0018HSE-D
I C 1
uPD780058
(uPD78F0058)
-A14-9EU
CONTROLLER PCB ASSEMBLY
ASY18FBAJ : K05EF-050FWSE-C1
ASY18FBBJ : K05EF-050DWSE-C1
ASY24FBBJ : K05EF-050GWSE-C1
ASY18FBBN : K01CL-0401WSE-C1
ASY24FBBN : K02CR-0401WSE-C1
BLUE
RED
WHITE
GRAY
GRAY
RED
RED
3-3
3-1
2-1
2-2
YELLOW
BLACK
WHITE
WHITE
FAN CAPACITOR
1.3 uF
UL1015 AWG22 PURPLE
UL1015 AWG22 PURPLE
UL1015 AWG20
3 1
UL1430 AWG22
UL1430 AWG22
THRMAL FUSE
FAN
MOTOR
4-1
4-2
4-3
4-4
DIFFUSER
FLAP
U - D
LOUVER
L - R
2005.01.17 9
INDOOR PCB CIRCUIT DIAGRAM
Jumper wire configurations
Switch Function ON/Linked OFF/Open
JM1 High ceiling standard High Ceiling 1
JM2 / JM3 Custom code (See table 2)
JM4 Auto restart enable disable
JM5 / JM6 Heating compensation
(See table 1)
Table 1 Table 2
ON / ON +4 ON / ON A
ON / OFF -2 ON / OFF B
OFF / ON 0 OFF / ON C
OFF / OFF +2 OFF / OFF D