General ASH7FSBCW User manual

SPLIT TYPE
ROOM AIR CONDITIONER
WALL MOUNTED type
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . 3
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
ERROR DISPLAY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . . . .
8
DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Models
Indoor unit Outdoor unit
ASH7FSBCW
ASH7USBCW
AOH7FSBC
AOH7USBC
ASH7USBCW AOH7USNC

PIPE LENGTH
FULL
CHARGE
SPECIFICATIONS
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY (kW)
HEATING CAPACITY (kW)
POWER SOURCE
RUNNING
CURRENT (A)
INPUT WATTS (kW)
EER (kW/kW)
MOISTURE REMOVAL
( g )
AIR CIRCULATION - Hi (m3/hr )
ELECTRICAL SPECIFICATIONS
COMPRESSOR
FAN MOTOR
TYPE
DISCRIMINATION
DISCRIMINATION
DISCRIMINATION
POWER SOURCE (V)
HI-SPEED (r.p.m.)
HI-SPEED (r.p.m.)
OUTDOOR UNIT
MED-SPEED (r.p.m.)
LO-SPEED (r.p.m.)
( /hr )
REFRIGERANT R410
-----
-----
-----
COOLIING
HEATING
COOLIING
HEATING
COOLIING
HEATING
INDOOR UNIT
TYPE
MAX PIPE LENGTH
MAX ELEVATION
10.0m
7.5 m
CHARGELESS
ADDITIONAL CHARGE
REFRIGERANT CHARGE (R410)
DIMENSIONS
WEIGHT
OUTDOOR UNIT
H x W x D (mm)
H x W x D (mm)
GROSS / NET (kg)
GROSS / NET (kg)
INDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
ASH7FSBCW
AOH7FSBC
Single-phase 230V 50Hz
3.9
1.0
380
3.6
ASH7USBCW
AOH7USNCAOH7USBC
2.30
2.20
-----
2.25
0.83
2.65
380
0.75
3.07
3.7
1.0
0.80
2.81
Cooling and Heat-pump heatingCooling
600600
802-100-35 (F) 802-100-35 (F) C-1RV096H1A
Rotary
MFA-40GRL
MFB-07ATW
550
230
1,280
1,170
1,060
790
257 x 808 x 187
535 x 650 x 250
10 / 8
28 / 26
10 / 8
27 / 25
10 m
5 m
20g / m
7.5 m
600 g
650 g
10 m
5 m
20g / m
7.5 m
550 g
600 g
2005.02.10 1

DIMENSIONS
U nit : m m
Models : ASH7FSBCW
ASH7USBCW
250
650
500
535
2005.02.10 2
257
187808
Models : AOH7FSBC
AOH7USBC
AOH7USNC

3-Way valve
(with charging port)
Condenser
Dryer
Capillary tube
2-Way valve
(Flare connection)
Gas pipe (9.52 dia.)
(Flare connection)
(Flare connection)
Liquid pipe (6.35 dia.)
(Flare connection)
INDOOR UNIT
OUTDOOR UNIT
[ Connecting pipe ]
Evaporator
Com-
pressor
REFRIGERANT SYSTEM DIAGRAM
Models : ASH7FSBCW / AOH7FSBC
Models : ASH7USBCW / AOH7USBC
ASH7USBCW / AOH7USNC
2-Way valve
Dryer (AOY7USBC)
Strainer (AOY7USNC)
3-Way valve
4-Way valve
Evaporator
Condenser
Common capillary tube
: Cooling
: Heating
Com-
pressor
Accumulator
INDOOR UNIT
2005.02.10 3

BLACK
BLACK
WHITE BLUE
WHITE
RED
ORANGE
WHITE RED
INDOOR UNIT
OUTDOOR UNIT
CM
FM
Terminal
Compressor
Fan Motor
Fan Motor
Capacitor
Overload Relay
Compressor
Capacitor
N L
R C
S
CIRCUIT DIAGRAM
Models : ASH7FSBCW / AOH7FSBC
Terminal
Relay
Thermistor
(pipe)
Thermistor
(room)
Step Motor
Fan Motor
Transformer
Power Supply PCB
Controller PCB
Test
2005.02.10 4

INDOOR UNIT
OUTDOOR UNIT
Models : ASH7USBCW / AOH7USBC
ASH7USBCW / AOH7USNC
Fan Motor
Stepping Motor
Relay
Fan Motor
Capacitor
Thermistor
(pipe)
Test
Thermistor
(room)
Controller PCB
Power Supply PCB
Terminal
Transformer
Terminal
4-way
Valve Coil
Overload
Relay
Compressor
Fan Motor
Capacitor
Fan Motor
Compressor
Capacitor
2005.02.10 5

LOUVER
OPERATE
TIMER
SWING
C104
0.1
12V
12V
5V
SSR101
G3MC-201PL-VD DC12V
12V
L101
SS11V-10062
D101
S1VB20
D103
1SR139
+ C108
0.1
<F>
C106
2200
/25V
Q101
2SD880
D104
MTZJ15B
+
R102
1.0K
<1/2W>
+C109
10/
50V
R101
10K
<1/4W>
C105
2200
/35V
C101
4700P
C102
4700P
W101
E
GREEN
UL1015
AWG22
C110
VA102
470V
FAN CAPACITOR
7.0 uF
CN101 B3P5-VH-B
CN101-1
CN101-3
CN101-5
BLACK
YELLOW
WHITE
RED
CN7-3
CN7-1
CN7-2
WHITE
BLACK
FAN MOTOR S3P-VH CN8
5V 5V
C1
0.1
<F>
R1
10K <1/10W>
R14
10K <1/10W>
12V BZ1
PKM13EPY-4000
B Z
Q2
DTC124EUA
5V
R2 1.0K
<1/10W>
C2
0.1
<F>
12V
IC101
7805
IO
G
D102
1SR139
12V
K103
G4A-1A-E-PS
CN105
PHR-8
CN6
B8B-PH-K-S 5V
C11
0.1
<F>
EEPROM
IC2
BR93LC46
VCC
D0
TEST
GND
CS
SK
D1
NC
8
4
6
57
3
2
1
10
12
11
5V
5V
R12 10K
<1/10W>
IC4-7 uLN2003
IC4-5 uLN2003
IC4-6 uLN2003
R33 10K
<1/10W>
7
5
6
1
2
3
C9 0.01
<R>
R7 4.7K
<1/8W>
C8
0.1
<F>
R6 1.0K
<1/8W> Q3 DTC124EUA
5V
R8 10K
<1/10W>
Q1 DTC124EUA
1
2
3
C7
10/
25V
+
JP1
JP3
JP4
JP2
R3, R34, R5, R35
10K <1/10W>
3
2
1
5V
5V
R29 10K
<1/10W>
R28 10K
<1/10W>
R30 1.0K
<1/10W> SW1 MANUAL AUTO
SWITCH
5V
C27
0.1
<F>
IC3
BD4742G
RESET
R27
10K (1%)
<1/10W>
R26
49.9K (1%)
<1/10W>
3
4
52
1
R24 390
<1/10W>
R25 390
<1/10W>
C21
0.1
<F>
C25
0.1
<F>
C22
0.1
<F>
5V
R20 - R23
10K <1/10W> x 4
5V
C16
1000P
<R>
R19 10K
<1/10W>
R18 47
<1/10W>
5V
12V
R17 330 <1/10W>
R15 330 <1/10W>
R16 330 <1/10W>
12V
X1
CST8.38MHz
IC4-1 uLN2003
IC4-4 uLN2003
IC4-3 uLN2003
IC4-2 uLN2003
8
413
3 14
2 15
16
19
2
33 32
X1 X2 45
46
47
48
49
50
51
52
5
6
7
35
11
12
38
13
19
29
25
24
28
8
44
37
14
15
16
43
27
10
20
26
23
22
30
9
34
21
4
36
1
2
3
42
41
40
39
17
18
31 P43
P42
P41
P40
P44
P45
P46
P47
P54
P55
P56
P00
P34
P35
P36
P03
P25
XT2
P10
P11
RESET
P57
P75
P02
P20
P21
P22
P74
AVDD
VDD0
VDD1
AVREF
P12
P13
XT1
VSS0
VSS1
AVSS
P53
P01
P50
P51
P52
P73
P72
P71
P70
P23
P24
I C
CN2-1 BLACK
CN2-2 BLACK
CN3-2 GRAY
CN3-1 GRAY
CN1-1
CN4-1 RED
CN1-5
CN1-4
CN1-3
CN1-2
CN4-2 WHITE
CN4-3 WHITE
CN4-4 WHITE
CN4-6 WHITE
CN4-5 WHITE
CN5-6 RED
CN5-7 ORANGE
CN5-8 YELLOW
CN5-9 PINK
CN5-10 BLUE
UL1061 AWG26 x 5
UL1061 AWG26 x 6
1
5
4
3
2
6
5V
X201
GP1UM261RK
VCC
GND
DATA
+
R201 47
<1/4W>
C202
0.1
<F>
C201
47/10V
D201 SLR-325<VC>RED
D202 SLR-325<MC>
GRN
D203 SLR-325<DC>
ORG
CN201
CN5 53325-0510
B6B-PH-K-SCN4
CN1 B5P-SHF-1AA
CHECKER
INDICATOR PCB
EZ-002SWSE-D
CN2 150-103-86176
CN3 150-503-96077
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
VA101
470V
C103
0.1
FH101
F101
T 3.15A 250V
F102
W103
BLACL
BROWN
BLUE
UL1015 AWG14
UL1015 AWG22
UL1015 AWG22
WHITE
UL1015 AWG22 BLACK
POWER SOURCE
220 / 240V
50Hz
TERMINAL BOARD
GREEN / YELLOW
NL
POWER TRANSFORMER
EZ-030HSE-T
THERMAL FUSE
PRIMARY SECONDARY
THERMAL FUSE (103 )
CN102-3 PURPLE
CN102-1 PURPLE CN104-1 RED
CN104-2 RED
CN103-2 GRAY
CN103-1 GRAY
B2P3-VH-B
B2B-XH-AM
B2B-XASK-1-A
CN102
CN103 CN104
POWER SUPPLY PCB
EZ-002SWSE-P
F M
CN105-1
CN6-2
CN6-1
CN105-8
CN105-7
CN105-6
CN105-5
CN105-4
CN105-3
CN105-2
BLUE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
CN6-4
CN6-8
CN6-7
CN6-6
CN6-5
CN6-3
UL1061 AWG26 x 8
HEATINGTEMPERATURE
CORRECTION 1
HEATINGTEMPERATURE
CORRECTION 2
AUTO RESTART
REMOTE CONTROL
CUSTOM CODE
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
EZ-003TWSE-C ( F )
I C 1
uPD780024ASGB-X26-8ET
INDOOR PCB CIRCUIT DIAGRAM
Model : ASH7FSBCW
2005.02.10 6

5V
5V
SW1 MANUAL AUTO
SWITH
R29 10K
<1/10W>
5V
C27
0.1
<F>
R27
10K
<1/10W>
(1%)
R26
49.9K
<1/10W>
(1%)
CN2 150-103-86176
CN3 150-503-96077
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
CN2-1 BLACK
CN2-2 BLACK
CN3-2 GRAY
CN3-1 GRAY
52
1
3
4
R28 10K
<1/10W>
RESET
IC3
BD4742G
R201
47 <1/4W>
+
OPERATE
RED
TIMER
GREEN
SWING
ORANGE
WHITE
WHITE
WHITE
WHITE
WHITE
RED
INDICATOR PCB
EZ-002YHSE-D
CHECKER
5V
LOUVER
RED
ORANGE
YELLOW
PINK
BLUE
RED
WHITE
CN7-1
CN7-3
CN7-2
BLACK
FAN MOTOR
CN101-1
CN101-5
CN101-3
BLACK
YELLOW
WHITE
ORANGE
ORANGE
FAN CAPACITOR
POWER TRANSFORMER
EZ-030HSE-T
PRAIMARY
SECONDARY
PURPLE
RED
RED
PURPLE
THERMAL FUSE
THERMAL FUSE
GRAY
GRAY
POWER SUPPLY PCB
EZ-002YHSE-P
GREEN
BLUE
WHITE
BLACK
RED
BLUE
BROWN
TO EARTH TERMINAL
GREEN / YELLOW
TERMINAL BOARD POWER SOURCE
220 / 240V
50Hz
OUTDOOR UNIT
BROWN
WHITE
UL1061 AWG26 x 8
CN6-8
CN6-5
CN6-4
CN6-2
CN6-3
CN6-1
CN6-6
CN6-7
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
BLUE
12V
12V
12V
5V
12V
HEATINGTEMPERATURE
CORRECTION 2
HEATINGTEMPERATURE
CORRECTION 1
CONTROLLER PCB ASSEMBLY (MAIN PCB)
EZ-0030AHSE-C (F)
uPD780024ASGB-X25-8ET
I C 1
12V
5V
Model : ASH7USBCW
C1
0.1 <F>
R1 10K
<1/10W>
5V
R3,R34,R5,R35
10K <1/10W>
JP1
JP1
JP4
JP3
JP2
R2 1.0K
<1/10W>
R14 10K
<1/10W>
C2
0.1
<F>
CN8
S3P-VH
5V
BZ1
PKM13EPY-4000
Q2
DTC124EUA R30 1.0K
<1/10W>
C21
0.1
<F>
C25
0.1
<F>
C22
0.1
<F> R24 390
<1/10W>
R24 390
<1/10W>
R25 390
<1/10W>
5V
R20 - R23
10K <1/10W> x 4
R19 10K
<1/10W>
C16
1000P
<R>
R18 47
<1/10W>
5V
330 <1/10W>
330 <1/10W>
330 <1/10W>
R17
R16
R15
12V
X1
CST8.38MHz
12V
IC4-1 uLN2003
IC4-4 uLN2003
IC4-3 uLN2003
IC4-2 uLN2003
CN5 53325-0510
CN4 B6B-PH-K-S
5V
X201
C202
0.1
<F>
C201
47/10V
CN201
CN1 B5P-SHF-1AA
W106
W105
CN101 B3P5-VH-B
SSR101
G3MC-201PL-VD
VA102
470V
C104
0.1
L101
SS11V-10062
D101
S1VB20
12V
C108
0.1
<F>
C106
2200
/25V
+
D102
1SR139
IC101
7805
D103
1SR139
12V
C110
4700P
G3MB-202P UTU
W102W104W103
FH101
FH102
F101
T
3.15A 250V
C103
0.1
VA101
470V
VA103
470V
C102
4700P
C101
4700P
CR101 120/0.2
K101
G5NB-1
UL1015 AWG14
UL1015 AWG22
UL1015 AWG22
UL1015 AWG22 UL1015 AWG22 UL1015 AWG22
BLUERED
BLACK
CN105-8
CN105-7
CN105-6
CN105-5
CN105-4
CN105-3
CN105-1
CN105-2
IO
G
3
2
1
B Z
12 5
2
3 1
Q1
DTC124EUA
Q3
DTC124EUA
2
13
11 6
IC4-7 uLN2003
IC4-6 uLN2003
IC4-5 uLN2003
5V
5V
R33 10K
<1/10W>
C11
0.1
<F>
CN6
B8B-PH-K-S
5V
IC2
BR93LC46
EEPROM
R12 10K
<1/10W>
5V
R8 10K
<1/10W>
C9
0.01
<R>
C7
10/
25V
+
R7 4.7K
<1/8W>
R6 1.0K
<1/8W>
C8
0.1
<F>
UL1061 AWG26 x 6
UL1061 AWG26 x 5
CN5-6
CN5-7
CN5-8
CN5-9
CN5-10
CN4-6
CN4-4
CN4-5
4
5
6
3
2
1
CN4-3
CN4-2
CN4-1
GP1UM261RK
GND
VCC
DATA
D201 SLR-325 <VC>
D203 SLR-325 <DC>
D202 SLR-325 <MC>
CN1-1
CN1-5
CN1-4
CN1-3
CN1-2
8
9
1
3
2
4 13
14
16
15
2
33 32
X1 X2
12V
K103
G4A-1A-E-PS
CN105
PHR-8
CN102 B2P3-VH-B
CN103
CN104
B2B-XASK-1-A
B2B-XH-AM
CN102-3
CN102-1
CN104-1
CN104-2 CN103-2
CN103-1 (103 )
UL1015 AWG20
UL1015 AWG20
7.0
F M
K 101
VCC
D0
TEST
GND
CS
SK
D1
NC 7
3
2
1
8
4
6
5
10 7
8
28
24
25
29
19
13
38
12
11
35
7
6
5
52
51
50
49
48
47
46
45
10
20
26
23
22
30
27
43
16
15
14
37
44
9
34
21
4
36
1
2
3
42
41
40
39
17
18
31
P57
RESET
P11
P10
XT2
P25
P36
P03
P35
P34
P00
P56
P55
P54
P47
P46
P45
P44
P43
P42
P41
P40
AVDD
VDD0
VDD1
AVREF
P12
P13
XT1
VSS0
VSS1
AVSS
P53
P01
P50
P51
P52
P73
P72
P71
P70
P23
P24
I C
2005.02.10 7
N L 3 4

ERROR DISPLAY
Troubleshooting check table
Operation lamp : Red lamp
Timer lamp : Green lamp
: 0.5s ON/OFF repeated
: 0.1s ON/OFF repeated
2005.01.31 8
Error contents Error contents
thermistor error Red lamp (2 times) thermistor error (room temp.) Red lamp
Green lamp Green lamp (2 times)
thermistor error (heat exchanger) Red lamp
Green lamp (3 times)
control unit error Red lamp (4 times) MANUAL AUTO button error Red lamp
(indoor unit ) Green lamp Green lamp (2 times)
power source Hz decision error Red lamp
Green lamp (4 times)
fan motor error Red lamp (6 times) lock error Red lamp
(indoor unit) Green lamp Green lamp (2 times)
r.p.m error Red lamp
Green lamp (3 times)
LED indication LED indication
Small division indicationLarge division indication

DISASSEMBLY ILLUSTRATION
Model : ASH7FSBCW
ASH7USBCW
2005.02.10 9