Service Manual

REFERENCE INFORMATION
PAGE 46
ENGLISH
Outdoor Board Schematic
REFERENCE INFORMATION
PAGE 58
ENGLISH
HSU12�HG(DB)-SM wiring Diagrams
Domestic Air Conditioner
11.2.OUTDOORUNIT
11.2.1Control Bard Circuit Diagrams
13
GND
4
GND
3
GND
2
GND
1
VCC
8
GND
7
SCL
6
SDA
5
IC6 AT24C02B
1
CN2 AC-L
1
CN1 AC-N
Black White
FUSE1
T25A 250VAC
RV1 S14K350
R1 1M
R12 100/1W
CX1 225/275V
L1
8MH/10A
RV2
S14K350
RV3
S14K350
CX2
225/275V
PTC1 400N
CY1
472/250V/275V
CY2
472/250V/275V
CY3
103/250V/275V
CY4
103/250V/275V
1
CN3
PE
SA1 RA-362M
K5
12V-25A-891P-1A-C
K3
12V-5A-892H(N)-1AC-C
K4
12V-5A-892H(N)-1AC-C
K2
12V-5A-892H(N)-1AC-C
K1
12V-5A-892-1CC-C
1
2
3
CN10
Comment:
CX4
103/275V
1
2
3
4
5
6
7
8
9
CN12
1
2
3
4
5
CN13
STCOM
1
CN14
1
CN15
C1
2U/450V
COM L H C C COM L H
CC
1 2 3 4 5 6 7 GND 12V
10 11 12 13 14 15 16
IC7 ULN2003
+12V
1 2 3 4 5 6
CN16
A B C D
C10
104/50V
+5V
+5V
R75 2K
LED1
P1
2SA1037AK
R47
5.1K/1%
R49 10K R50 1K
+5V
C20
102/50V
1 2 3 4 5 6
CN21
C15
103/50V
310V 0V 15V 䇗䗳 ড作
R33 2.2K
R36 1K
R34
1K
R13
330/1W
R35 1K
R37 330
ZD2 10V/0.5W ZD3 5.1V/0.5W
4 3
1 2
IC8 PC817A
4 3
1 2
IC9 PC817A
E9 47U/25V
N1
Comment: 2SC2412K
R41 1K
R39 10K
R38 330
R40 5.1K/1%
C14
102/50V
XT1
4M
C13 104/50V
+5V
C12 104/50V
R63 560
R65 10K
R64 10K
1 2 3
CN20
1 2 3
CN18
1 2
CN19
+5V
R76
20K/1%
R87 4.7K
R88 10K
R771K
C24 104/50V
C25 104/50V
C26 104/50V
E14
4.7U/16V
E11
4.7U/16V
E12
4.7U/16V
E13
4.7U/16V
+15V
R74 10K/1%
R73 10K/1%
R54 10K
C22 102/50V
C21 102/50V R82
47K/1%
R80
20K/1%
R78
20K/1%
R791K R811K R831K
C23 104/50V
CS(White) )e t i hW ( QT) w o l l e Y ( WH
1 2 3
CN23
5V COM GND
Com with Module (Black)
1 2 3 4 5
CN30
Ⳉ⌕亢ᴎ
1 2 3 4
CN31
+5V
1
CN8 AC-N OUT
1
CN9 AC-L OUT
naF CA deeps - owTnaF CA deeps - ee rhTy aW- r u o F
E-valve(White)
R55 1K
R56 1K
R57 1K
R58 1K
R67 1K R72 1K R71 1K R70 1K
+5V
1 2
CN33
SW TEST(BLUE)
CX7 104/275V
R48 10K
XQ(Red)
C11
104/50V
R62 10K
P2 2SA1037AK
R60 10K
R61
2K
R59 2K
FUSE2 T1A/250V
WB
R53 10K
R52 10K
R51 10K
FUCTION TEST(White)
TEST/SS COOL HEAT PC GND
(
ⱑ
)
+5V
R85 10K
R66 1K
R84
4.7K
R68 1K R69 1K
N3
2SC2412K
N4
2SC2412K
White
ERROR
1 2 3
CN17
D5 LL4148
D6 LL4148
Yellow/Green
1 2
CN32
TEST/SS GND
1
2
CN11
+12V
J1 J2
J3
J6
+5V +5V
J7
+12V+12V
J8
R91 10K
J9
J10
C19 104/50V
J15
J16+15V+15V
J13 J14 J12
R92 0
R93
0
R94
0
J17
J19
J23
L2
8MH/10A
R2 1M
CX3
225/275V
CY5
472/250V/275V
CY6
472/250V/275V
J24 J25 J26 J27 J28 J29 J30 J31
J32
J33
N P
P N
1
2
CN36
White Black
R86 4.7K
K6
12V-5A-892H(N)-1AC-C
D11 LL4148
N5 2SC2412K
R89 10K
J27
J34
1 2
4 3
SW1
R95 10K
R96 10K
+5V
VCC
62
VREF
61
AVSS
59
DC-FANSPEED
13
DC FAN PG
36
Indoor Com OUT
41
Indoor Com IN
38
PC COM
37
NC
33
Terminal Pro
28
MODULE COMOUT
27
MODULE COM IN
26
VSS
50
TEST-EN
24
NC
44
COOL-EN
23
HEAT-EN
22
RESET
6
XIN
9
XOUT
7
VSS
8
E-VALVE-A
5
E-VALVE-B
4
E-VALVE-C
2
E-VALVE-D
1
PTC
64
HEAT-1
63
4-WAY
58
FAN
57
H/L FAN SPEED
42
SCL
30
SDA
29
Fan/E-Valve select
47
HEAT-2
60
VSS
49
VSS
48
Fault Light
31
Fre Adjust
46
HW
54
CS
53
XQ
52
TX
51
NC
45
MODE
3
VCC
10
NC
14
NC
15
NC
17
NC
18
NC
19
NC
20
NC
21
NC
25
NC
11
NC
12
NC
16
NC
32
NC
34
NC
35
NC
40
NC
39
NC
43
SW-2
56
SW-1
55
IC5
R5F212A8SNFA
1 2 3 4
CN7
R98 10K
+5V
MODE RST 5V GND
FLASH
ⱑ
R97 10K
R46 0
1
CN5
AC-L
1
CN6
AC-N
J4
J5 J22
J35
J36
J37 J38
R99
0
J39 J40
CY7
222/250VAC
R4 2K
CY10
222/250VAC
C16
Comment: 102/50V
+5V
R42 330
R3 2K/2W
D1 1N4007
4 3
1 2
IC11 TLP851/PC851
R43
0
R44 1K
4 3
1 2
IC10 TLP421/PS2561
1
CN4 COM
J18
J21
㑶
J20
1
CN25
1
CN27
COM heater
N6 Comment: 2SC2412K
R100 4.7K
R101 4.7K
R102
0
R103 4.7K R104
0
Vin
1
GND
2
Vout
3
IC4 L7805CV
C9
104/50V
E8
Comment: 100U/16V
R29 47
R19 47
C6
104/50V
IC3 TL431C
C3 102/100V
L3 20UH/1A
ZD1
IN5948B
E5
470U/25V
E6
100U/16V
E7
470U/25V
E3 22U/25V
CY9 222/250VAC
D7 MBR1100\SB1100
C2
102/100V
R18 47
C7
104/50V
R22 1K/0.5W
C8 104/50V
+5V+12V
E4
470U/25V
R17
330/1W
+15V
R32 5.1K/1%
R30 1K
R28 5.1K/1%
R31 1K
C5 104/50V
R25 10K
R26 1K
R16 2/1W
R14
100K/2W
R15 15
C4 103/50V
9
10
+5VD
T1
Comment: E22034
7 6 4 5
CY8 472/1KV
R27 10K
1 3
R24 5.1K/1%
CX5 104/275V
ADJ
1
FB
2
CS
3
GND
4
HV
8
NC
7
VCC
6
DRV
5
IC1
NCP1200P100
D9
MUR115\MUR130\ER106
D10 ER106
D8 MBR3100\ER302
4 3
1 2
IC2 PC817A
R20
220
R21
220
M1
IRFUC20
1 2 3
CN22
῵ഫᵓ⬉⑤
(
㪱
)
J11
R90 0
N
P
92
Outdoor Board Schematic