Fujitsu ABYF18LAT User manual

CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . 1
OUTLINE AND DIMENSIONS . . . . . . . . . 2
REFRIGERANT SYSTEM DIAGRAM . . . 5
ERROR DISPLAY . . . . . . . . . . . . . . . . . .
7
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . 6
PCB CIRCUIT DIAGRAM . . . . . . . . . . . . .
17
PARTS (indoor unit) . . . . . . . . . . . . . . . . 20
PARTS (outdoor unit) . . . . . . . . . . . . . . . 30
ACCESSORIES . . . . . . . . . . . . . . . . . . . 33
SPLIT TYPE
ROOM AIR CONDITIONER
FLOOR CONSOLE /
UNDER CEILING
DUAL TYPE
Indoor unit Outdoor unit
ABYF18LAT
ABYF18LAT
ABYF18LAT
ABYF18LAT
ABYF18LBT
ABYF18LBT
ABYF24LAT
ABYF24LAT
ABYF24LAT
ABYF24LAT
ABYF24LBT
ABYF24LBT
AOYA18LACL
AOYA18LALL
AOYB18LACL
AOYB18LALL
AOYA18LALL
AOYB18LALL
AOYA24LACL
AOYA24LALL
AOYB24LACL
AOYB24LALL
AOYA24LALL
AOYB24LALL

2009.07.13 1
INDOOR UNIT H x W x D
H x W x D
199 x 990 x 655 mm
OUTDOOR UNIT 578 x 790 x 300 mm
DIMENSIONS
INDOOR UNIT Shipping / Net
Shipping / Net
36 kg / 27 kg
OUTDOOR UNIT
44 kg / 40 kg
WEIGHT
SPECIFICATIONS
TYPE Cool & heat inverter
INDOOR UNIT ABYF18LAT, ABYF18LBT
OUTDOOR UNIT
AOYB18LA_L
COOLING CAPACITY 5.20 kW
HEATING CAPACITY 6.00 kW
POWER SOURCE 230 V
FREQUENCY 50 Hz
RUNNING
CURRENT
COOLING 7.4 A
HEATING 7.7 A
INPUT WATTS COOLING 1.70 kW
HEATING 1.75 kW
E.E.R. COOLING 3.06 kW/kW
COP HEATING 3.43 kW/kW
AOYA18LA_L
7.1 A
7.3 A
1.62 kW
1.66 kW
3.21 kW/kW
3.61 kW/kW
MOISTURE REMOVAL 2.0 L/hr
AIR CIRCULATION HIGH 780 m3/hr
FAN MOTOR
TYPE Hermetic type, 4 pole, 3 phase,
DC inverter motor, Rotary
DISCRIMINATION DA130A1F-25NA
PRECHARGED REFRIGERANT
REFRIGERANT TYPE R410A R410A
1,250 g
POWER SOURCE 230 V
HIGH-SPEED 1,040 / 1,040 r.p.m.
INDOOR UNIT
( cool / heat )
MED-SPEED
950 / 950 r.p.m.
LOW-SPEED 800 / 800 r.p.m.
QUIET 740 / 740 r.p.m.
OUTDOOR UNIT 860 / 820 r.p.m.
ELECTRICAL DATA
COMPRESSOR AND REFRIGERANT
INDOOR UNIT ( cool / heat ) 43 dB / 43 dB
OUTDOOR UNIT ( cool / heat ) 50 dB / 50 dB
NOISE LEVEL
Pipe length 15 m 1,250 g
FULL CHARGE 20 m 1,350 g
ADDITIONAL REFRIGERANT 20 g/m
578 x 790 x 315 mm
48 kg / 44 kg
ABYF24LAT, ABYF24LBT
AOYB24LA_L
7.10 kW
8.00 kW
230 V
50 Hz
10.1 A
10.2 A
2.32 kW
2.33 kW
3.06 kW/kW
3.43 kW/kW
AOYA24LA_L
9.7 A
9.7 A
2.21 kW
2.21 kW
3.21 kW/kW
3.61 kW/kW
2.7 L/hr
980 m3/hr
DA150A1F-20NA
1,700 g
WEIGHT (with oil) 9.6 kg 10.0 kg
230 V
1,330 / 1,300 r.p.m.
1,150 / 1,150 r.p.m.
1,000 / 1,000 r.p.m.
780 / 780 r.p.m.
1,050 / 1,050 r.p.m.
48 dB / 48 dB
52 dB / 53 dB
1,700 g
1,800 g
20 g/m

OUTLINE AND DIMENSIONS
INDOOR UNIT
Unit : mm
990
900
500
655
530
200175
199
(rear view)
2006.10.16 2

OUTDOOR UNIT
AOY_18LA_L
Unit : mm
Top view
Front view
Side view
Bottom view
Drain pipe
mounting place
( 20)
189
177
347
540
30066790
121
578
320 10
184
4- 10mm hole
Air flow
2008.06.26 3

Top view
Front view
Side view
Bottom view
Drain pipe
mounting place
( 20)
189
177
347
540
31566790
121
578
320
10
184
4- 10mm hole
OUTDOOR UNIT
AOY_24LA_L
Unit : mm
Air flow
2008.06.26 4

REFRIGERANT SYSTEM DIAGRAM
OUTDOOR UNIT INDOOR UNIT
2008.06.26 5
Strainer
Strainer
4-Way
valve
2-Way
valve
3-Way
valve
Muffler
Muffler
Expansion
valve
Compressor
Accumulator
Heat exchanger
Heat exchanger
Cool
Heat : THERMISTOR (COMPRESSOR TEP.)
: THERMISTOR (PIPE TEP.)
: THERMISTOR (ROOM TEP.)
: THERMISTOR (DISCHARGE TEP.)
: THERMISTOR (HEAT EXCHANGER MED TEP.)
: THERMISTOR (HEAT EXCHANGER OUT TEP.)
: THERMISTOR (OUTDOOR TEP.)
Refrigerant pipe diameter
ABYF18L_T / AOY_18LA_L
Liquid : 1/4" (6.35 mm)
Gas : 1/2" (12.70 mm)
ABYF24L_T / AOY_24LA_L
Liquid : 1/4" (6.35 mm)
Gas : 5/8" (15.88 mm)

ORANGE
YELLOW
RED
WHITE
BLUE
PURPLE
GRAY
RED
WHITE
BLACK
RED
WHITE
BLACK
YELLOW
BROWN
WHITE
BLACK
RED
GREEN GREEN
GREEN / YELLOW
BLACK
BLACK
GRAY
GRAY
BLACK
BLACK
BROWN
RED
ORANGE
YELLOW
WHITE
BROWN
RED
ORANGE
YELLOW
WHITE
GRAY
GRAY GRAY
GRAY
GRAY GRAY GRAY
GRAY
GRAY
GRAY
GRAY
1 2 3 4 5 6 7 8 12 3
1 2 3 4 5 6 7 8 12 3
1 2 34 5 67812 3
1 2 34 5 67812 3
1 2 31 2
1
2
1 2 1212
12 12
2
11
2
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
1
2
3
4
5
6
7
1
2
3
1
2
3
1
2
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
1
2
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
1
2
3
4
5
6
CN101
W105
W102
W101
CN104
CN106
CN103
1 2
CN108CN102
E101 E102
CN105
CN4 CN1
CN5 CN7 CN8
CN12CN11CN9CN10
CN14
CN6 CN13 CN3
TERMINAL
TERMINAL
F101
FUSE
3.15A 250V
FAN MOTOR
F M
M
M
STEP MOTOR
STEP MOTOR
THERMISTOR
( ROOM TEMP. )
THERMISTOR
( PIPE TEMP. )
INDICATOR PCB ASSY
POWER
SUPPLY
PCB ASSY
CONTROLLER
PCB ASSY
( MAIN PCB )
1 2 3
123
TO REMOTE CONTROL UNIT
( OPTION )
BLACK
RED
WHITE
YELLOW
BLUE
RED
WHITE
BLACK
RED
BROWN
BLUE
ORANGE
YELLOW
WHITE
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
WHITE
WHITE
RED
BROWN
BROWN
BROWN
BROWN
BLACK
BLACK
WHITE
RED
YELLOW YELLOW
GREEN
BLACK BLACK
BLACK
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
1
2
3
1
2
3
1
2
3
1
2
1
2
1
2
1
2
1
2
3
4
1
2
3
4
12
1
2
1
2
3
1
2
3
RED
WHITE
BLACK
CN71
CN73
CN72
CN70
W4
W2
W1
W3
W11
W10
CN40
CN801
W7
W8
W9
CN30 4-WAY VALVE
4WV
PMV
F M
S (S)
C (T)
R (R)
FAN MOTOR
EXPANSION VALVE
COMPRESSOR
C M
REACTOR
THERMISTOR ( PIPE TEMPE. )
THERMISTOR ( DISCHARGE PIPE TEMP. )
THERMISTOR ( COMPRESSOR TEMP. )
THERMISTOR ( PIPE - MID. TEMP. )
THERMISTOR ( OUTDOOR TEMP. )
FUSE 250V 5A
TERMINAL
POWER SOURCE
2
( N )
1 3 L N
FUSE 250V 20A
CONTROLLER PCB ASSY
( MAIN PCB )
1
2
3
2008.06.26 6
INDOOR UNIT
OUTDOOR UNIT
CIRCUIT DIAGRAM

CN4-1
CN4-2
CN4-3
CN4-4
CN4-5
CN4-6
CN4-7
CN4-8
CN104-1
CN104-2
CN104-3
CN104-4
CN104-5
CN104-6
CN104-7
CN104-8
CN1-1
CN1-2
CN1-3
CN9-1
CN9-2
CN9-3
CN11-1
CN11-2
CN11-3
CN11-4
CN11-5
CN12-1
CN12-2
CN12-3
CN12-4
CN12-5
CN6-1
CN6-2
CN14-1
CN14-2
CN14-3
CN13-1
CN13-2
CN13-3
CN13-4
CN13-5
CN13-6
CN13-7
CN201-1
CN201-2
CN201-3
CN201-4
CN201-5
CN201-6
CN201-7
CN201-8
CN8-1
CN8-2
CN7-1
CN7-2
CN5-1
CN5-2
CN101-1
CN101-2
CN101-3
CN102-1
CN102-2
CN102-3
CN103-1
CN103-2
CN106-1
CN106-2
CN105-6
CN105-5
CN105-4
CN105-3
CN105-2
CN105-1
UL1015
AWG16
GREEN
UL1015
AWG16
GREEN
YELLOW
BROWN
WHITE
BLACK
RED
UL1015 AWG20 BLACK
UL1015 AWG20 WHITE
UL1015 AWG20 RED
BROWN
RED
ORANGE
YELLOW
WHITE
BROWN
RED
ORANGE
YELLOW
WHITE
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
RED
ORANGE
YELLOW
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
POWER DRIVE
DC SUPPLY
CN104
B08B-PASK-1
CN4
B08B-PASK-1
CN101
B03B-PASK-1
CN1
B03B-PASK-1
EMI FILTER
ZCAT1518-0730
1 T
CN9
B03B-XARK-1-A
FLOAT SWITCH
TERMINAL BOARD
CN6
B02B-PAMK-1
FRESH AIR
CN14
B3B-XAKK-1-A
CN13
B07B-PASK-1
CN201
S08B-PASK-2
THERMISTOR ( PIPE - ENTRANCE TEMP. )
ROOM THERMISTOR
CN8
B2B-XASK-1-A
CN7
B2B-XAYK-1-A
CN5
B2B-XAKK-1-A
GRAY
GRAY
CN11
B05B-XASK-1-A
CN12
B05B-XARK-1-A
REMOTE CONTROL
EARTH
LOUVER ( UP / DOWN )
LOUVER ( RIGHT / LEFT )
M
M
INDICATOR PCB ASSEMBLY
K04EI-0800HSE-D0
CONTROLLER PCB ASSEMBLY
ABYF18LAT : K06AK-0705HSE-C1
ABYF24LAT : K06AK-0706HSE-C1
ABYF18LAT, ABYF24LAT
POWER SUPPLY PCB ASSEMBL
K06AL-0600HSE-P0
W101 W102 W105
E101
E102
DC FAN MOTOR
CN105
B5P6-VH-B
EMI FILTER
ZCAT2132-1130
1 T
CN106
B2P3-VH-B-E
DRAIN PUMP
CN103
B2B-XH-AM
E I B OUT
E I B I N
CN102
B3B-XH-AM
F M
OUTDOOR UNIT
TERMINAL BOARD
2(N)
3
1
CN10-1
CN10-2
HEATER
CN3-1
CN3-2
CN3-3
CN3-4
CN3-5
CN3-6
CN10
B02B-PAOK-1
SP PCB
CN3
B06B-PASK-1
UL1430 AWG22 RED
UL1430 AWG22 WHITE
UL1430 AWG22 BLACK
3 2 1
BLACK
BLACK THERMISTOR ( PIPE - MID. TEMP. )
UL1430 AWG24 x 2
BLACK
BLACK
2008.05.09 7
CONTROL UNIT
ABYF18LAT : EZ-0070MHSE
ABYF24LAT : EZ-0070PHSE
INDOOR PCB CIRCUIT DIAGRAM
CN15-1
CN15-2
CN15-3
CN15-4
CN15-5
CN15-6
FLASH
CN15
B06B-XASK-1-A
CN2-1
CN2-2
CN2-3
CN2-4
CN2-5
CN2
B5P-SHF-1AA
TEST

I C1
uPD78F0535
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
35
AVDD
AVREF
VDD0
VDD1
I C
RST
P00 P34
P01 P35
P02
P03
P10
P11
P12
P13
P14
P15
P16
P17
P20
P21
P22
P23
P24
P25
P30
P31
P32
P33
XT1
XT2
X1
X2
P36
P40
P41
P42
P43
P44
P45
P46
P47
P50
P51
P52
P53
P54
P55
P56
P57
P64
P65
P66
P67
P70
P71
P72
P73
P74
P75
AGND
GND0
GND1
JM6
0R0
JM5
0R0
R56
100K
<1/10W>
5V
C27
0.1
<F>
C38
0.1 <F>
I C7
S80842
NC
2
1
3
4
VDD
OUT GND
NC 5V
R41 1.0K
<1/10W>
R43
10K
<1/10W>
5V
R44
10K
<1/10W>
C26
0.01
<F>
C25
10/
50V
+
R52
10K
<1/10W> INDICATOR
CN13
B07B-PASK-1
FLASH
CN15
B06B-XASK-1-A
5V
5V
R49 - R51
10K <1/10W> x 3
PIPE TEMP. TH. ( MID )
CN5
B02B-XAKK-1-A
PIPE TEMP. TH. ( ENT )
CN7
B02B-XAYK-1-A
ROOM TEMP. TH.
CN8
B02B-XASK-1-A
5V
R59
10K
<1/10W>
R60
49.9K
<1/10W>
R61
49.9K
<1/10W>
C29
0.1
<F>
C30
0.1
<F>
C34
0.1
<F>
R57
1.0K
<1/10W>
R58
1.0K
<1/10W>
R62
1.0K
<1/10W>
5V
FLOAT SWITCH
CN9
B03B-XARK-1-A
R46
1.0K
<1/10W>
C31
0.01
<F>
R45
10K
<1/10W>
C8 - C10
0.1 <F> x 3
R4 - R6
1.0K <1/10W> x 3
R1 - R3
10K <1/10W> x 3
5V
JM1
JM2
JM3
5V
C28
0.1
<F>
C33
0.1
<F>
C32
100/
6.3V
+
CUSTOM CODE
CUSTOM CODE
HEATING FAN DELAY
12V
+C2
10/
50V
C3
0.01
<F>
5V
D4
1SS355
I C8
NJM7812
D1
1SS355
I C2
NJM7805
13.5V
5V C1
10/
50V
+
IO
G
IO
G
1 3
2
2
3
1
R19
R20
R22
R21
1.0K <1/10W> x 4
R15 - R18
10K <1/10W> x 4
5V
5V
C4 - C7
0.01 <F> x 4
Q3
DTC124EKA
R70
10K
<1/10W>
1
2
3
C37
0.1
<F>
1000P <R> x 3
C35 C12 C11
R67 1.0K
<1/10W>
5V
1.0K <1/10W> X 3R63
R64
R65
10K <1/10W> x 3
R66
R32
R23
R24
13.5V
R26
10K
<1/10W> R25
1.0K
<1/10W>
5V
C14
1000P
<R>
C16
0.01
<F>
R29
390
<1/10W>
R28
10K
<1/10W>
3
2
1
Q1
DTC124EKA
C15
0.01
<F>
5V
5V
C17
0.01
<F>
C18
0.01
<B>
R27
330
<1/10W>
R31
10K
<1/10W>
R34
1.0K
<1/10W>
R30
10K
<1/10W>
R33
10K
<1/10W>
Q2
DTC124EKA
BZ1
PKM13EPYH-4000-A0
R36
0R0
R35
1.0K
<1/10W>
13.5V
R47
390
<1/10W>
B Z
1
2
3
1
2
3
4
5
6
7
8
9
16
15
14
13
12
11
10
1
2
3
4
5
6
7
I
I
I
I
I
I
I
SK
O1
O2
O3
O4
O5
O6
O7
GND
I C4
uLN2003ADR
13.5V
13.5V
13.5V
C36
0.47
<F>
5V
X1
5.00MHz
<CSTS>
3
1
2
13.5V I C3
uLN2003ADR
SW1
CFS-0402MC
R11 - R14
10K <1/10W> x 4
R7 - R10
1.0K <1/10W> x 4
C19 - C22
0.1 <F> x 4
5V
C13
0.1
<F>
R37
10K
<1/10W>
R40
10K
<1/10W>
I C5
BR93L56RF-WE2
1
2
3
6
8
4
7
5
CS
SK
D I
NC
VCC
DO
NC
GND
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
5V
R55
10K
<1/10W>
12V
12V
D3
D1FS4A
12V
R48
10K
<1/10W>
R53
28K
<1/10W>
R54
15.4K
<1/10W>
I C6-1
BA10393F
I C6-2
BA10393F
-
-
+
+
1
7
3
2
5
6
D2
DAN217U
3
1 2
C23
0.01
<F> C24
1000P
<R>
R42
47
<1/10W>
CN14
B03B-XAKK-1-A
REMOTE CONTROL UNIT
CN11
B05B-XASK-1-A
LOUVER ( UP / DOWN )
CN12
B05B-XARK-1-A
LOUVER ( RHIGT / LEFT )
CN10
B02B-PAOK-1
HEATER
CN6
B02B-PAMK-1
FRESH AIR
CN4
B08B-PASK-1
POWER DRIVE
CN3
B06B-PASK-1
SP PCB
CN2
B5P-SHF-1AA
TEST
CN1
B03B-PASK-1
DC SUPLLY
1
2
3
4
5
6
1
2
3
4
5
1
2
3
1
2
3
4
5
6
7
8
1
2
1
2
1
2
3
4
5
1
2
3
4
5
1
2
3
1
2
3
4
5
6
7
1
2
3
4
5
6
1
2
1
2
1
2
1
2
3
2008.05.09 8
INDOOR UNIT
CONTROLLER PCB ASSEMBLY
ABYF18LAT : K06AK-0705HSE-C1
ABYF24LAT : K06AK-0706HSE-C1

13.5V
F101
BET 3.15A - 250V
FH101
FH102
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
SERIAL I N
SERIAL I NT
SERIAL ON
DRAIN PUMP
DC FAN-OUT
DC FAN-FEEDBACK
EX. SIGNAL-OUT
EX. SIGNAL-I N
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
W105
RED
SERIAL
I C 1 0 5
H I 2 0 0 2 R 2
LN
5V
5 4 3 2 1 101418
15V
340V
C108
4700P
<ECQP>
R104
330K
<2W> D102
1SR139-600
R103
62K
<RS-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
R113
330
<1/10W>
CN103
B2B-XH-AM
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
ELF17N015A
L101
REP28-15
15mH, 1.1A
1
3
4
2
D101
D3SB60
C118
0.01
<KH>
E102
GREEN
C107
100/
450V
+
C109
220P/
2.0kV
<ECKE>
R105
75
<RS-2W>
R106
1.5
<RS-2W>
Q102
2SC1815
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 <ECQB>
D103
D1FL20U
D104
MTZJ5.1B
R109
330
<1/4W>
C111
100/
25V
+
D105
D1FL20U
R108
100
<1/2W>
C104
0.47
<R46>
C105
0.01
<YE>
C106
0.01
<YE>
PFC5000-0702F
x 2
2008.04.14 9
INDOOR UNIT
ABYF18LAT, ABYF24LAT
POWER SUPPLY PCB ASSEMBLY
K06AL-0600HSE-P0