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

5V
D207
EMAA3863X-J300K ORANGE
R202 220
<1/4W>
R203 390
<1/4W>
R204 560
<1/4W>
PHA201
PIC-37143TH5
JM201
VCC
OUT
GND
2
1
3
C201
0.1
<F>
C202
10/
25V
+
SW201
EVQPAG04K
13
24
1
2
3
4
5
6
7
8
CN201
08 / 08 JC25 / XMR
1430 L=200
BROWN
RED
ORANGE
YELLOW
WHITE
BLUE
PURPLE
GRAY
( OPERATE )
( TIMER )
( LOUVER )
( 5V )
( REMOTE SIGNAL )
( GND )
( MANUAL AUTO SWITCH )
D206
EMPG3863X-J300K GREEN
D208
EBR3864X-J300K RED
TO MAIN PCB
2008.06.26 10
INDOOR UNIT
ABYF18LAT, ABYF24LAT
INDICATOR PCB ASSEMBLY
K04EI-0800HSE-D0

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
GRAY
GRAY
GRAY
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. )
THERMISTOR ( ROOM TEMP. )
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-0801HSE-D0
CONTROLLER PCB ASSY
ABYF18LBT : K06AK-080FHSE-C1
ABYF24LBT : K06AK-080DHSE-C1
ABYF18LBT, ABYF24LBT
POWER SUPPLY PCB ASSEMBL
K06AL-0800HSE-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
2008.12.11 11
INDOOR UNIT
CONTROL UNIT
ABYF18LBT : EZ-00810HSE
ABYF24LBT : EZ-0080WHSE
CN2-1
CN2-2
CN2-3
CN2-4
CN2-5
CN2
B5P-SHF-1AA
TEST
RED
ORANGE
YELLOW
WHITE
BROWN
RED
ORANGE
YELLOW
WHITE
PURPLE
BLUE
ORANGE
YELLOW
WHITE
RED
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY

I C1
uPD78F0536
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
5V
R49 - R51
10K <1/10W> x 3
THERMISTOR ( PIPE-MID. TEMP. )
CN5
B02B-XAKK-1-A
THERMISTOR ( PIPE-ENT. TEMP. )
CN7
B02B-XAYK-1-A
THERMISTOR ( ROOM TEMP. )
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
<FCR5.0MC5T>
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-E2
I C6-2
BA10393F-E2
-
-
+
+
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
1
2
1
2
1
2
3
2008.12.11 12
INDOOR UNIT
CONTROLLER PCB ASSEMBLY
ABYF18LBT : K06AK-080FHSE-C1
ABYF24LBT : K06AK-080DHSE-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
VA103
0.01
<KH>
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
<FSN>
R104
330K
<2W> D102
1SR139-600
R103
62K
<RS-2W>
D108
D2FL20U
T101
ZFT22B03
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
E I B OUT
E I B 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
LF101
ELF17N015A
43
12
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
2008.12.11 13
INDOOR UNIT
ABYF18LBT, ABYF24LBT
POWER SUPPLY PCB ASSEMBLY
K06AL-0800HSE-P0
L101
REP28-15
( 15mH, 1.1A )

5V
D207
EMAA3863X-J300K ORANGE
R202 220
<1/4W>
R203 390
<1/4W>
R204 560
<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
1430 L=200
BROWN
RED
ORANGE
YELLOW
WHITE
BLUE
PURPLE
GRAY
( OPERATE )
( TIMER )
( LOUVER )
( LOUVER )
( 5V )
( REMOTE SIGNAL )
( GND )
( MANUAL AUTO SWITCH )
D206
EMPG3863X-J300K GREEN
D208
EBR3864X-J300K RED
TO MAIN PCB
2008.12.11 14
INDOOR UNIT
ABYF18LBT, ABYF24LBT
INDICATOR PCB ASSEMBLY
K04EI-0801HSE-D0

W1
( A-1 )
B
W2
( B-1 )
B
W4
( D-1 )
B
W3
( C-1 )
B
EARTH
F201
20A - 250V
TERMINAL
F202
5A - 250V
EMI FILTER
ATFC-25-15-12
2 TURN
EMI FILTER
ATFC-25-15-12
1 TURN
UL1015 AWG14
BLACK
UL1015 AWG14
WHITE
UL1015 AWG20
RED
UL1015 AWG16
GREEN
UL3271 AWG16
WHITE UL3271 AWG14
RED
W10 W11
B B
REACTOR
B
B
B
W7
W8
W9
U
V
W
4-WAY VALVE
COMPRESSOR
EMI FILTER
RED
WHITE
BLACK
BLACK
BLACK
UL3271 AWG16 x 3
RED
WHITE
BLACK
RED
BLACK
WHITE
YELLOW
BROWN
RED
BROWN
BLUE
ORANGE
YELLOW
WHITE
CN40
B6B-XARK-1-A
RED
CN801
B5P6-VH-B-L
WHITE
CN30
B2P3-VH-B-C
BLACK
1
2
3
1
2
3
4
5
6
1
2
3
4
5
6
CN71
B04B-PASK-1
WHITE
1
2
3
4
CN70
B03B-PASK-1
WHITE
1
2
3
CN73
B02B-XAMK-1-A
GREEN
1
2
CN72
B02B-XH-AM
WHITE
1
2
BLACK
BLACK
BROWN
BROWN
BLACK
BLACK
BLACK
BLACK
BROWN
BROWN
DISCHARGE THERMISTOR
PIPE THERMISTOR
OUTDOOR THERMISTOR
COMPRESSOR THERMISTOR
PIPE ( MID ) THERMISTOR
DC FAN MOTOR
EXPANSION
VALVE MOTOR
F M
M
C M
1
2
3
4
5
L
N
SERIAL
TO INDOOR UNIT
POWER SOURCE
AC230V
50Hz
W103
UL1015 AWG20
BLACK
W100
UL1015 AWG20
WHITE
W102
UL1015 AWG20 BLACK
W101
UL1015
AWG14
BLACK
EMI FILTER
ATFC-25-15-12
2 TURN
INVERTER PCB ASSEMBLY
AOYA18LA_L : K06AX-0600HUE-C1
AOYB18LA_L : K06AX-0706HUE-C1
AOYA24LA_L : K06AX-0601HUE-C1
AOYB24LA_L : K06AX-0707HUE-C1
INVERTER ASSEMBLY
AOYA18LA_L : EZ-0069HUE
AOYB18LA_L : EZ-007FHUE
AOYA24LA_L : EZ-006AHUE
AOYB24LA_L : EZ-007GHUE
2009.07.13 15
OUTDOOR PCB CIRCUIT DIAGRAM

17
16
2
35
3
59
58
60
21
34
47
27
28
29
30
31
32
33
57
41
42
43
44
10
9
8
7
5
6
4
22
23
13
2
49
24
13
48
19
1
61
62
63
64
20
18
15
14
55
54
53
52
51
50
46
45
12
39
38
37
36
40
26
25
11
56
P63
P62
P46
P12
P50
P37
P36
P40
MD2
P11
P26
P02
P03
P04
P05
P06
P07
P10
C
P20
P21
P22
P23
P57
P56
P55
P54
P52
P53
P51
X0
X1
VCC
AVCC
P00
P01
P17
P13
P14
P15
P16
AVR
P24
P25
P30
P31
P32
P33
P34
P35
P60
P61
MD0
MD1
P44
P43
P42
P41
P45
RSTX
P27
AGND
GND
GND
X500
8.00MHz
<CSTLS>
C500
0.1
<F>
C502
0.1
<F>
+
C501
10/25V
C503
0.1
<F>
C561
0.01
<F>
R561
1.0K
R560
100K
I C560
S80842
5V
2
1
3
4
VDD
OUT
NC
GND
CS1
2
3
6
8
4
7
5
SK
D I
NC
VCC
DO
NC
GND
1
2
3
45
7
8
M
S
S
CD
S
S
10
9
8
7
6
5
4
3
2
1
76
5
+
-
5V
R83
27K
<1/10W>
R81
1.0K
<1/10W>
C300
100P
<CH>
Q300
DTC114EUA
15V DCV-F
D62
D1FL20U
D61
D1FL20U
D60
D1FL20U
+
12V
C64
330/
25V
15V
5V
D63
1SS355
D64
1SS355
C69
100/
25V
+
IO
G
1
2
3
+C68
100/
25V
C67
0.1
<F>
+R61
10K
C65
470/
25V
+
C66
100/
25V
I C60
BA17805
-12V
I C50
TOP243PN
D53
UF4005
R57
0R0
T60
RPZ-1F
C52
2200P
<E>
R56
150K
<2W>
R52
470K
<1/8W>
1%
R53
510K
<1/8W>
1%
R54
510K
<1/8W>
1%
R55
510K
<1/8W>
1%
D52
1SS355
JM101
JM103
JM102
JM100 TEST
5V
RESET
R51
47
C50
47/
35V
C51
1.0
<B>
+
5V
C570
0.1
<F>
L50
BLm21
<AG601>
L51
BLm21
<AG601>
R570
10K
I C570
M93C46
R93, R92, R91, R90
10K x 4
C86
470P
<B>
C84
0.1
<F>
C87
330P
<B>
15V D304
DAN217U
D303
DAN217U
+
R311
8.66K
1%
R309
5.76K
1%
R310
143
1%
C330
1000P
<B>
I C302-2
BA2903F
C85
10/
25V
5V
15V
-12V
R503
10K
SERVICE
JM500
R502
1.0K
R500
10K
I C500
MB90462
12V
12V
I C80
uLN2003
1C
7C
6C
5C
4C
3C
2C
1B
COM
9
10
11
12
13
14
15
16 1
2
3
4
5
6
7
8
2B
3B
4B
5B
6B
7B
8B
E
13
12
5
GND1
9
7
2
5V
15V
I C10-2
BA2903F
-
+
6
57
3
2+1
-
C11
0.1
<F>
12V I C40
TD62064
POWER SOURCE
AC230V
50Hz
5V
R307, R308
195K
<RN-1/2W>
x 2
15V
C214
2200P
<B>
-12V
C306
0.1
<F>
C305
0.1
<F>
DCV
R210
1.0K R211
R212
R213
R214
R215
R216
R217
0.15
<1W>
1%
x 7
I C200
FSBB20CH60
U V W
C213
0.022
<F>
R330
R332 4.7K 1% x 2
WVU
I C300-1
BA4560
R331
47K
1%
I C300-2
BA4560
-
-
+
+
75
6
12
3
R329 47K 1%
5V 5V
R328
1.0K
C311
1000P
<B>
D302 RB751V
R305 R303
R301R302
R304 R306
195K <RN-1/2W> 1% x 6
D50
1SS355
D51
UDZS8.2B
5V
R339
10K R334
10K
1%
R337
100K
1%
I C302-1
BA2903F
C339
0.01
<F>
-
+
12
3
R335 R336 R333
10K 1% x 3
R338
3.3K
1%
R327
22K
C320
0.15
<ECQB>
D301
DAN217U
5V
R220
1.0K
C219
1000P
<B>
R219
1.0K
5V
5V
5V
C107
0.1
<F>
C108
2.2/
50V
+
R110
6.8K
R167
10K
D106
DAN217U
15V
C112
0.1
<F>
R165
22K
C110
0.1
<F>
I C102-3
BA2901F
I C102-1
BA2901F
-
+-
+
5
4214 8
9
-
+
10
11 13
-
+1
6
7
I C102-2
BA2901F
I C102-4
BA2901F
5V
5V-2
R112
10K
1%
R115
22K
1%
R171
4.7K
C106
0.1
<F>
5V-2
R113
4.7K
1%
C141
1000P
<B>
R101
4.7K
C136
0.01
<F>
R114
15K
1%
R111
10K
C109
2.2/
50V
+
C206 - C208, C215 - C217
2200P <B> x 6
R204 - R209
390 <1/10W> x 6
R218
4.7K
<1/10W>
DCV
15V-2
+
C104
10/
25V R105, R106
195K
<RN-1/2W>
1%
R107
3.83K
1%
5V
D113
DAN217U
D112
DAN217U
5V
C134
0.1
<F>
+
R169
22K
R168
22K
C128
0.1
<F>
C127
2.2/
50V
+
C125
0.1
<F>
+C126
2.2/
50V
R164
22K
C115
0.1
<F>
I C101
TC 74HC00AF
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1
2
3
4
5
6
7
14
13
12
11
10
9
8
R124
4.7K
R116
15K
1%
R117
22K
1%
C111
4700P
<B>
R119
10K
1%
R118
10K
1%
D107
RB751V
C105
0.1
<F>
I C100
TA8316
15V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
VCC
COM
I N
I N
I N
VFO
CFOD
CSC
I N
VCC
VB
VS
I N
VCC
VB
VS
I N
VCC
VB
VS
NU
NV
NW
U
V
W
P
COMP
COMP
ACV / 7P
CP-POS / 47P
U / 50P
V / 52P
W / 54P
X / 51P
Y / 53P
Z / 55P
IPM-TRIP / 33P
IPM-CR / 9P
DCV / 8P
CT / 3P
TEST / 59P
MD2 / 63P
MD1 / 64P
MD0 / 1P
E2CS / 41P
E2SK / 40P
E2DI / 39P
2
1
3
3
21
3
1 2
3
1 2
13
12 14
3
21
6
57
+
-
+
-
+
-
+
-
10
98
3
21
3
2 1
+
-
+
-
6
57
3
21
1
2
31
2
3
+
-
3
21
+
-
5
67
+
-
5
67
3
2 1
+
-
2
31
1
3
2
3
1
2
3
21
34
12
16
4
3
6
11
14
1
8
10
15
O1
O2
O3
O4
GND2
GND4
GND3
I 1
I 2
I 3
I 4
COM1
COM2
NC1
NC2
I C104-2
BA2902F I C104-1
BA2902F
I C104-4
BA2902F
R135
10K
1%
D109
RB751V
D108
RB751V
R138 10K 1%
R141
10K
1%
R137, R136 10K 1% x 2
I C105-2
BA2903F
I C105-1
BA2903F
R134
10K
1%
R133
10K
1%
C116
0.1
<F>
C133
2.2/
50V
C132
2.2/
50V
+
C131
0.1
<F>
W7 W8 W9
15V
L300
ELC0607RA
C209 0.1 <F>
C210 0.1 <F>
C211 0.1 <F> C212 0.1 <F> C221 0.1 <F> C222 1.0 <F>
C220 47 / 35V
+
D203 HZ24BP-TK-E
+
R200
39
<1/2W>
D200 - D202
U1JU44 x 3
DCV
R203 330K C205 0.1 <F> C204 47 / 35V R202 330K C203 0.1 <F> C202 47 / 35V R201 330K C201 0.1 <F> C200 47 / 35V
++
DCV-F
F100
GDT 250 15
15A - 250V
FH2
FH1
F4
FSL 250 3.15<EM >
3.15A - 250V
R104
220K
<2W>
C100 - C102
LLQ2W661KEUBGC
660uF / 450V x 3
++ +
5V
C103
0.1
<HCP>
R102
47K
D102
1NH42
R103
100
<1/2W>
Q100
GT30J122
L130
ELC0607RA
1
3
2
1 2
6
4
5
7
3
GATIN
S I
D I
NC
VCC
SO
GND
5V-2
C140
0.1
<F>
+
C139
2.2/
50V
R121
100K
1%
15V
I C103-2
BA4560
C119, C120
0.1 <F>
x 2
-12V
I C103-1
BA4560
R126
100K
1%
C117
1.0
<B>
5V
C20
0.1
<F>
15V
5V 5V
+
R132
2.2K
R154
120K
R131
10
<1/10W>
R130
220
1%
Q102
DTC143EUA
Q103
DTC143EUA
R163
10K
1%
R162
68K
1%
R160
68K
1%
C130
0.1
<F>
R159
4.7K
C129
1000P
<B>
R161
1.5K
1%
R143
39K
1%
15V
-12V
R140
10K
1%
R144
22K
1%
R145
22K
1%
I C104-3
BA2902F
R146
39K
1%
C124
2200P
<B>
R152
4.7K
1%
C123
2200P
<B>
R149
4.7K
1%
D110
DAN217U
D111
DAN217U
TAUX / 25P
E2SK / 40P
ZXH / 36P
ZXL / 37P
E2DI / 39P
EPV1 / 45P
PFC-TRIP / 46P
U / 50P
X / 51P
V / 52P
Y / 53P
W / 54P
Z / 55P
PFCEN / 14P
TMODE / 18P
MD1 / 64P
MD2 / 63P
TCK / 62P
TRXD / 61P
MDO / 1P
/ TRES / 19P
S I / 48P
R120 4.7K 1% R125 4.7K
L100 BL02Rn1
PFC-TRIP / 46P
PFCEN / 14P
PFCSW / 35P
5V-2
D115
DAN217U
D114
DAN217U
C113
2700P
<B>
C142
0.1
<F>
33
1 12 2
I C3-1
BA4560
R166 3.9K
R158 3.9K
R122
R123
4.7K
1% x 2
R129
100K
1%
I C3-2
BA4560
R142
1.2K
1%
15V
-12V
D105
DAN217U
PR / I C80-5
ZXH / 36P
R109 22
<1/4W>
R108 47
<1/4W>
IPM-G
IPM-G
IPM-G
IPM-G
3 3
22 11
POW-GND
POW-GND
LED / 30P
SO / 32P
V4-AC / 27P
V4-DC / 29P
PR / 31P
ACFAN / 28P
CTDW / 34P
C14
0.1
<F>
R18
10K
C13
0.1
<F>
R19
1.0K
12V
I C10-1
BA2903F
C12
0.1
<F>
R40 - R43
1.5K <1/10W> x 4
TH / 10P
EPV3 / 44P
EPV4 / 43P
EPV2 / 42P
EPV1 / 45P
C40
0.1
<F>
C10
0.1
<F>
TE / 5P
TD / 4P
TA / 6P
R80
2.2K
D80
SLR-332VR
<RED>
SO / I C80-2P
V4-AC / I C80-3
V4-DC / I C80-4
PR / I C80-5
ACFAN / I C80-6
FAN IN / 17P
FAN PWM / 2P
PFCSW / 35P
CT / 3P
TEST / 59P
PFC / 58P
TTXD / 60P
TAUX3 / 21P
CTDW / 34P
CP-POS / 47P
V4-AC / 27P
ACFAN / 28P
V4-DC / 29P
PR / 31P
SO / 32P
IPM-TRIP / 33P
LED / 30P
E2CS / 41P
EPV2 / 42P
EPV4 / 43P
EPV3 / 44P
TH / 10P
IPM-CR / 9P
DCV / 8P
ACV / 7P
TE / 5P
TA / 6P
TD / 4P
R139
10K
1%
PFCEN / 14P
ZXL / 37P
S I / 48P
FAN PWM / 2P
FAN IN / 17P
C801
0.01
<F>
R804
1.0K
5V
D600
DAN217U
Q800
DTC143EUA
15V Q801
DTA143EUA
5V
+
R801
1.0K
<1/4W>
POW-GND
R802
560
<1/4W>
C800
100/
25V
R803 10K
<1/10W>
R13
10K
R11
10K
R75
10K
R76
10K
R77
10K
C72
0.1
<F>
C71
0.1 <F>
C73
0.1
<F>
5V
R14
2.2K
1%
R16
22K
1%
R17
22K
1%
C75
0.1
<F>
R72
13K
1%
R71
4.75K 1%
R73
38.3K
1%
L70 BL02Rn1
R12
13K
1%
R10 4.75K
1%
5V
L40
1
2
3
4
5
6
1
2
1
2
1
2
3
4
5
6
1
2
3
4
1
2
3
1
23
=
8 7 1
2
3
4
5
65V
101418
W4
W3
5 4 32 1
H Y I C 1
G K - 3 0 4 3 4 E
JM32
JM31 JM30
12V
K30
FTR-F3
SO / I C80-2P
V4-AC / I C80-3P
CR30
RE1201
0.1/120
POW-GND
15V
C802
0.1
<F>
L800
BL02Rn1
SA1
RA-302M
W2
W1
VA1
470V
<TNR>
VA2
470V
<TNR>
C1
1.0
<LE>
12
43
L1
RCH4716
C4
0.01
<KH>
C6
3.3
<LE>
D100
LL25XB60
D101
LL25XB60
+
+
-
-
W11
RED
W10
WHITE
W5
ORANGE
W6
ORANGE
2
3
1
4
2
3
1
4
3
21
4
R1
ZPR0RCH400
K1 DW12D1
12V
SERIAL
RED
EARTH
GREEN
L
BLACK
N
WHITE
CN30
B2P3-VH-B-C
4-WAY VALVE
CN801
B5P6-VH-B-L
WHITE
FAN MOTOR
CN40
B06B-XARK-1-A
RED
EXPANSION VALVE
COMPRESSOR THERMISTOR
CN73
B02B-XAMK-1-A
GREEN
CN72
B2B-XH-AM
PIPE ( MID ) THERMISTOR
PIPE THERMISTOR
CN71
B04B-PASK-1
DISCHARGE THERMISTOR
CN70
B03B-PASK-1
OUTDOOR THERMISTOR
U V W
R400 - R407
0.2 <1W> 1% x 8
R153
120K 1%
10K 1% x 2
R127
R128
100K
1%
x 2
R156
R155
C137
0.1
<F>
R22 1.0K
<1/10W>
C21
0.047
<B>
R20 1.0K <1/10W>
R21
10K
<1/10W>
R23
27K
<1/10W>
5V
PFC / 58P
R157
4.7K
C138
2.2/
50V
195K <RN-1/2W> 1% x 4
R148 R147
R150R151
PFC CONTROL
DCV Ave
GATE DRAIVE GND
DC VOLTAGE
DETECTION
2
3
1
OVER VOLTAGE
DETECTION
INPUT CURRENT ( RSM ) AVERAGE DETECTION
I C102
BYPASS CAPACITOR
OVER CURRENT
DETECTION
MODEL SWITCHING
EEPROM
CONTROL GND
LED INDICATOR
TEMPERATURE SENSING CIRCUIT
DC FAN MOTOR COMMUNICATION CIRCUIT
EXPANSION VALVE CONTROL
4-WAY VALVE DRIVE
SERIAL COMMUNICATION
MAKING OF
CURRENT
DIRECTIVE
BYPASS CAPACITOR
CURRENT DETECTION
GATE DRIVE
CONTROL GND
BASE POINT
PFC-POWER-GND
PEAKLOAD CURRENT DETECTION
REVERSE CURRENT DETECTION CIRCUIT
CONTROL SOURCE
VIRTUAL NEUTRAL POINT
REFERENCE OF
POSITION DETECTOR
IPM-GND BASE POINT
AVERAGE OF INPUT VOLTAGE RECTIFICATION
SWITCH POWER SUPPLY
POWER-GND
FULL WAVE RECTIFICATION
AC WAVEFORM DETECTION
ZWRO-CROSS
DETECTION
( HIGH-SPEED )
REACTOR
RUSH CURRENT
PREVENTION
LINE FILTER
POW-GND
PFC5000-0702F
x 2
C5
0.01
<KH>
DC-F
C572
1.0K
<1/10W>
AOYB18LACL
POW-GND
AOY24LACL : R211 - R216 x 6
2009.07.13 16
OUTDOOR UNIT
INVERTER PCB ASSEMBLY
AOYA18LA_L : K06AX-0600HUE-C1
AOYB18LA_L : K06AX-0706HUE-C1
AOYA24LA_L : K06AX-0601HUE-C1
AOYB24LA_L : K06AX-0707HUE-C1

The lamps show the error contents.
Operation lamp (Green)
Timer lamp (Orange)
Filter lamp (Red)
ERROR CONTENTS
INDOOR UNIT
2 times
2008.05.09 17
Serial forward transfer error during the operation
Serial forward transfer error at starting up operation
Serial reverse transfer error during the operation
Serial reverse transfer error at starting up operation
3 times
4 times
5 times
6 times
7 times
Communication error ( Main PCB Display PCB )
Communication error ( Display PCB Main PCB )
Wired remote control abnormal
Indoor room temperature sensor error
Indoor heat exchanger temperature sensor (middle) error
Indoor heat exchanger temperature sensor (inlet) error
Float switch operated
Outdoor discharge pipe temperature sensor error
Outdoor heat exchanger temperature sensor (outlet) error
Outdoor temperature sensor error
Compressor temperature sensor error
2-way valve temperature sensor error
3-way valve temperature sensor error
Outdoor heat exchanger temperature sensor (middle) error
Indoor manual auto switch abnormal
IPM protection
CT error
Compressor location error
Outdoor fan error
Connected indoor unit abnormal
Outdoor unit computer communication error
Indoor fan abnormal
Discharge temperature error
Exessive high pressure protection on cooling
4-way valve abnormal
Pressure switch abnormal
Compressor temperature error
Active filter abnormal
PFC circuit error
Model appreciation error
0.1 second flashing
Error contents
Operation
lamp (Green)
2 times
2 times
2 times
2 times
3 times
3 times
3 times
3 times
3 times
3 times
3 times
4 times
5 times
5 times
5 times
5 times
5 times
5 times
6 times
7 times
7 times
7 times
7 times
7 times
8 times
8 times
Timer lamp
(Orange)
8 times
2 times
3 times
4 times
6 times
2 times
3 times
4 times
8 times
2 times
2 times
3 times
5 times
6 times
7 times
8 times
2 or 3 times
2 times
3 times
4 times
5 times
6 times
2 or 3 times
4 times
Filter lamp
(Red)
2 times
3 times
4 times
: 0.5s ON/0.5s OFF (Flash) : OFF

WIRED REMOTE CONTROL
If an error occurs, the following display will be shown.
("EE" will appear in the set room temperature display.)
Unit number
Error code
S U MO T U W E T H F R S A
Error code Error contents
Wired remote controller abnormal
Indoor room temperature sensor error
Indoor heat exchanger temperature sensor (middle) error
Indoor heat exchanger temperature sensor (inlet) error
Float switch operated
Outdoor discharge pipe temperature sensor error
Outdoor heat exchanger temperature sensor (outlet) error
Outdoor temperature sensor error
Compressor temperature sensor error
2-way valve temperature sensor error
3-way valve temperature sensor error
Outdoor heat exchanger temperature sensor (middle) error
Indoor manual auto switch abnormal
Power supply frequency detection error
IPM protection
CT error
Compressor location error
Outdoor fan error
Connected indoor unit abnormal
Outdoor unit computer communication error
Indoor fan abnormal
Discharge temperature error
Exessive high pressure protection on cooling
4-way valve abnormal
Pressure switch abnormal
Compressor temperature error
Active filter abnormal
PFC circuit error
00
02
04
28
09
0C
06
0A
15
1d
1E
29
20
2A
17
18
1A
1b
1F
1c
12
0F
24
2c
16
2b
19
25
If "CO" appears in the unit number display, there is a remote control error.
Refer to the installation instruction sheet included with the remote control.
2007.08.06 18
Serial forward transfer error
Serial reverse transfer error
Communication error ( Main PCB Display PCB )
01
13
26
27 Communication error ( Display PCB Main PCB )

2008.07.29 19
OUTDOOR UNIT
Error contents
Thermistor malfunction
Abnormal discharge temperature
Current surge protection
CT abnormality
Compressor position detection malfunction
PAM voltage abnormality
Timer short
Compressor temperature protection (permanent stop)
PFC surge protection (permanent stop)
Fan malfunction
LED
on 0.1 sec / off 0.1 sec
on
on 0.5 sec / off 0.5 sec
on 2.0 sec / off 2.0 sec
on 0.1 sec / off 2.0 sec
on 5.0 sec / off 0.1 sec
on 1.0 sec / off 1.0 sec
on 2.0 sec / off 5.0 sec
on 5.0 sec / off 2.0 sec
on 5.0 sec / off 5.0 sec