Circuit diagrams
13 Wiring Diagrams
13.1 Outdoor unit control board circuit diagrams
3
2
1
ICE5AR4770BZ
4
3
3
4
5
6
7
+
D
C
B
5
4
3
2
1
2
2
1
1
2
3
4
5
62 Domestic air conditioner
T
F
1
U
A
S
E
25
1
0VAC
VDC+
BG2
+
3
1
C
K
9
V
1
R129
CN11
四通阀
CN12 HEATER CN13 AC FAN
680pF-
1
E8
CN5
灰
CN6
灰
C4
33Ω-2W D
U
8
S
+18V
U4 7815
2
~
~ +15V
104/275V
3
D
0
1
A
2D
47uF/450V /600V
PVCC VDC+
1 3
5
4
3
2
1
I O
LED3
-
4
BSINE
L
L-OUT 1
TR1
10
5
E
V
6
CX3
R16
DBX07S
220uF-3
1
R
0
2
K
6
LI LO
TVS2 PTVS5V0S1UR
Ω-1206-0.25W
D12
100Ω-1W
AC-N-OUT
NGND2
6
R
8
1
K
103/250VAC
Ω/2010/1%
CN1
F
T2
U
5
S
A
E
2
2
+5V
104-50V-0603
50VAC
1N4007
BG1 25A/600V
C92
9
1
R
0
1
0
1
Ω
0
-1206
CBB61/103/630VDC
D2 ES3D
+12V
C756
1
L L1
ACL AC-L-OUT
2 1
2
R
0
10
M
2 8
NGND
棕
AC +
+
NGND
L1
+
6
R
8
2
K
4
Ω/2010/1%
Ω/1206/5%
2
C
0
1
0
R722
R720
AC-L
R3 22Ω-1206
1
471- V-1206
15MH/20A
CN2
3
AC -
4
R11
R13
10KΩ-0603
68KΩ/2010/1%
2
R
0
30
M
R9 22Ω-1206
NGND
10KΩ-0603
N
ACN
100Ω-1206
NGND2
Ω/1206/5%
1
7
D5
U1 7805
蓝
US2D
+8V
1
K4
AC-N
K5
4
3
FUSE3
K1 R32
3
4
20MΩ/1206/5%
I O
3
+5V
5
47
E
u
1
F
7
-
LED1
CN3 SA1
T3.15A 250VAC
+12V +12V +12V +12V +12V
25V
BGND
CY3
K2
红色
黄绿
1
PE1
K3
NGND2
10nF/250V
R
R
S
S
2
1
1
1
2
2
m
m
Ω
Ω
/
/
2
2
W
W
/
/
±
±
1
1
%
%
U702
RS3 12mΩ/2W/±1%
R5
1 2
+5V 5 6
PE RA-362M-V7
RS4 12mΩ/2W/±1%
EDC_SH
74HC00
+5V
D6
D15
NGND
R36
D16
D7
1KΩ-0603
ITTR2X14W2V3-1039
5A/250V 5A/250V
1N4148
5A/250V
1
1N4148
2
D
0
1
A
4
/250V
0
C
V
9
-1N4148 104-5 0603
IGBT_OUT
C8 20MΩ/1206/5%
+12V +8V
R25
N4148
PTC1
5A/250V
PFC_LOCK
103-50V-0603
NGND
330Ω-1206-0.25W
NGND
4
IC1
N4 2SD1781K
1
PPL20400
C2
N
4
1
1
1N4148
R33
2S 2K
NGND2
R67 2KΩ-0603
HEATER
U3
2
R
K
2
/
3
2
D10
2
R
K
31
Ω-0603
2.2Ω/1206/1%
NGND
CN4
K6
4
W
3 2
2S
N
D
5
±
R
1
2
%
1
R22 1kΩ-0603-±1%
U2
R717 10KΩ-0603
30kΩ-0603
NGND
+5V
红
1
3
4
1N4007
PC851/TLP628
GATE DRAIN
5
COM
1781K
D9
1
R
0
3
K
4
Ω
1
R
0
6
K
8
R139
2
5
Ω-0603 R120 C12 NC
HS1M
-0603
10KΩ-0603
R140
Is_SH
1
3
1
C
0
1
2
5
-
COM
CY1
2KΩ-0603
R27
CS
IC7
R149
50V-0603
R715 10KΩ-0603
1KΩ-0603
15KΩ
R719 R716
+12V
2
2.2nF/250V
3
D11 1N4007
+5V
IC3A -0603-±5%
5
D
0
3
V
NGND
R17
R161
4.7KΩ-0603
NGND
2 7
100Ω-0603
5A/2
1
TLV2772Q
1kΩ-0603-±1%
NC
FB VCC
CY4
C69
+5V
2.2nF/250V
C13
103-50V-C0805
NGND
103P-50V-0603
10Ω/1206/5%
C17
1 8
EL817/PC817
TX_insider
104-50V-0603
VERR GND
102-50V-0603
1
IC5 PC817A
4
R39
RX_insider
+5V
U5
1
C93
NGND
C719
R47 1K-1206-0.25W
1
R
0
1
K
62
Ω
LM431
-0603
1KΩ-0603
+5V
NGND
E9
NGND
1N4148
2 3
C18
ICE5AR4780BZ
100P-50V-0603
N3
CY5
102-50V-0603
+5V
R713
2SC2412K
47uF-25V
5V
C19
102-50V-0603
R45 270Ω-0603-±1%
+1
NGND
6
R163
R38
R133
C718
7 NGND
2.2nF/250V
10KΩ-0603
N2 2SD1781K 10KΩ-0603
100P-50V-0603
NGND
R1041KΩ-0603
R48 R49 R50
NGND2 NGND2
R1052KΩ-0603
SW-1
1KΩ-0603
5
C20 IC3B
270Ω-0603±1% 200Ω-0603-±1% 82Ω-0603±1%
R159
NGND
+5V
R1111KΩ-0603
SW-2
102-50V-0603
TLV2772Q
C21
C22
4.7KΩ-0603
1
R
0
1
K
12
Ω
PFC_R_EN
-0603
104-50V-0603
103-50V-0603
NGND
NGND
C32
+5V
CN19
PFC-ocp = 45.8A
NGND
NGND
104-50V-0603
6
R145100Ω-0805
RJ45_TXD
NGND
5
吐气
RJ45_RXD
4
TEMP_exhaust
R53
1KΩ-0805
除霜
PFC_CTR TEMP_pipe
R141600Ω-0805
R54 1KΩ-0805
6
TEMP_ambient
R55 1KΩ-0805
环温
NGND
PIN6-2.5
B6B-XH-A
+5V
C33
+5V
NGND
104-50V-0603
+5V
8
VCC
7
5
6
S
S
G
C
D
N
L
A
D
+5V
GND
1
NGND
2
NGND
GND
GND
3
U22
R
R
9
9
5
6
1
1
0
0
K
K
Ω
Ω
-
-
0
0
6
6
0
0
3
3
R61
4
NC
R97 1 0KΩ-0603
+5V GND NGND
10KΩ-0603
JP1
C35
NGND+5V
R103 IC6 24C16
104-50V-0603
510Ω-0805
B5B-XH-A(
白色
)
+5V
CN17
D17 1N4148 R
R
7
9
8
8
1
1
K
K
Ω
Ω
-
-
0
0
6
6
0
0
3
3
-
-
±
±
5
5
%
%
NGND
R81 510Ω-0805
NGND
R99 1KΩ-0603-±5%
R62 100Ω-0805
SDA_1
5 3
FINED
D
D
1
1
8
9
1
1
N
N
4
4
1
1
4
4
8
8
DRM3
RESET
SCL_1
4
DRM2
4
3
NGND
DRM1
+
R63 1 00Ω-0805
R64 5 10Ω-0805
2
DOWNLOAD
5V
MMBT9012/2SA1037AK
R82
+5V 1
IPM1
2KΩ-0603
JP2 EE_P
NGND
CN14
C54
NGND
+15V
1 2
1
VS(U) NC
24
IPM_PIN(24)_NC
104-50V-0603
2.54mm 2*1
P1
4
C
.
4
7
3
u
NGND
F-25V-±20%-0805
2
3
VB(U)
NGND
PVCC
NGND NC0
1
VS(V)
2
PE5/IRQ0 P62/AN202/IRQ6
75 NC15 23
NC1
P02/MTIOC9D/IRQ5 P63/AN203/IRQ7
74 NC14
P
NGND
NGND
3
NGND 4
V
P00
SS
/IRQ2
AVSS2
73
NGND
4
VB(V)
NC2
72
10uF-25V-1206
+5V
VREF +5V
5
VS(W)
IPM2
C34
VCL
5
AVCC2
71
PVCC
C30
NGND
FINED
6
V
M
C
D
L
/FINED
7
P64/AN204
70
TEMP_pipe
17
R77
FAN_OC_SH
69
6
CN7
P(17)-V+ Vufb(2)-VB1
2
B5B-XH-A(
红色
)
104-50V-0603
10KΩ-0603-±5%
P01/POE12#/IRQ4 P65/AN205
NC3
8
PE4/POE10#/IRQ1 P20/MTIOC9C/IRQ7/AN016
68 eeprom_SDA
VB(W)
U
22
U_Ph
10uF-25V-1206
9
PE3/POE11#/IRQ2
67
eeprom_SCL
1
黑
HEATER
C24
RXD_PC
RESET
10
P21/MTIOC9A/IRQ6/AN116
66 eeprom_WP
Up
R84
P22/MTIC5W/COMP2
HIN(U)
7
U
TXD_PC
11
R
P37
ES
/
#
XTAL
12
13
P
V
3
S
6
S
/EXATL
14
15
P
V
E
C
2
C
/POE10#/NMI
HIN(U)
7
RX24T Group
P23/MTIC5V/COMP1
65 NC13
1
R
0
8
0
7
Ω-0603
Vvfb(7)-VB2
TEST
NGND NGND
64 NC12
Vp
P24/MTIC5U/COMP0
HIN(V)
8
HIN(V)
10uF-25V-1206
1
1
X
0
T
M
1
P30/MTIOC0B/IRQ7COMP3
63
Expansion_V_A
100Ω-0603
C29
R
R
7
1
9
00
1
1
K
K
Ω
Ω
-
-
0
0
6
6
0
0
3
3
-
-
±
±
5
5
%
%
R80 1KΩ-0603-±5%
62
Wp
R89
HIN(W) 9
CN18
+5V
OC_SH
VSS NGND
Expansion_V_B
HIN(W)
12
0
C
6
4
0
0
3
1
R
0
9
0
0
Ω-0603
NGND
102-50V-
NC4
16
P31/MTIOC0A/IRQ6
61
CN8
Vwfb(12)-VB3
PE1/MTIOC9D VCC
60
Un V_Ph
NGND
COM_enble 17
+5V
Expansion_V_C
LIN(U)
10
LIN(U) V
21
1
白
18
PE0/MTIOC9B P32/MTIOC3C
59
100Ω-0603
NGND
4-way_valve
58
Expansion_V_D
Vn
R91
LIN(V)
V
19
PD7/MTIOC9A P33/MTIOC3A
11
LIN(V)
18
PTC_Relay
57
1
R
0
7
0
5
Ω-0603
C61
U/Vs1(18)
20
PD6/MTIOC9C/IRQ5
P70/POE0#/IRQ5
RXD_PC
PD5/RXD1/IRQ3
P71/MTIOC3B
56
Un Wn
LIN(W12)
LIN(W)
CBB61/104/630VDC
Up(4)-HIN1
4
R154
Up_Fan
NC5
21
100Ω-0603
TXD_PC
22
PD4/IRQ2 P72/MTIOC4A
55
Vn
100Ω-0603
PD3/TXD1 P73/MTIOC4B
54
Wn
Vp(9)-HIN2
9
R70
Vp_Fan
TEST
23
P74/MTIOC3D
53
Up
CN9
CN10 100Ω-0603
SW-1
24
25
P
P
P
D
D
D
1
0
2
P75/MTIOC4C
52
Vp
Wp_Fan
51
W
20
W_Ph
1
红
U_Fan
14
R71
SW-2
P76/MTIOC4D
Wp
5 Wp(14)-HIN3
NGND
16
VSS
100Ω-0603
W
C57
3
V_Fan
21
V/Vs2(21)
5
R72
Un(5)-LIN1
Un_Fan
100Ω-0603
ZD4
0.47UF/630VDC(CBB1)
24V/1W
1
W_Fan
Vn(10)-LIN2
10
R88
Vn_Fan
100Ω-0603
B5P-VH(-24)
Wn(15)-LIN3
15
R121
Wn_Fan
+15V
13
VDD
100Ω-0603
IC2
R93 3.6KΩ-0603
R5F524TAADFP
+5V
LED2
R73
+5V
LED_EER Fault_IPM/VOt_SH
VFO14
VFO
23
3.3KΩ-0603
R94 1KΩ-0603
W/Vs3(23)
RJ45_RXD
19
C59
02
C
-
5
5
3
0 02
C
-
9
5
0
0
NU
RJ45_TXD
1 V-0603 1 V-0603
COM(1)
1
+5V
+5V
NC-0603
NGND
NGND
NV
18
Vcc1(3)
3
NGND
NGND
Vcc2(8)
8
Vcc3(13)
13 +15V
ITRIP
15
ITRIP NW
17
RFE(6)
6
R1251KΩ-0603
FAN_Fo
+5V
R115 0Ω-0603
R20
19
+5V
IKCM20L60GD
NU(19)-VR1
C100 C77 NC
102-50V-0603
102-50V-0603
+5V NGND
0
R
Ω
1
-
0
0
6
6
R109
03
Ω
R
-
1
0
3
6
0
0
20
R101
5.1k 3-±1%
R804
24kΩ-0603-±1%
R69
N(UVW)
NV(20)-VR2
10KΩ-0603-±1%
C78
104-50V-0603
R131
1.65kΩ-0603-±1%
1.8kΩ-0603
VTH(11)
11
Vot_SH_Fan
[16.5*ui + 2.5V]@30A
R113
IC8B
[5*ui + 2.5V]@5A
NGND
C62
1KΩ-0603
R132
R119
102-50V-0603
22
16
CN16
IC9
1.5kΩ-0603-±1%
NW(22)-VR3 ITRIP(16)
R156
R114
1
R
.
1
5
3
k
4
Ω-0603-±1%
IDC_Fan
1KΩ-0603
1 16 1
Expansion_V_D
1KΩ-0603
IC4B
1.5kΩ-0603-±1%
2 15 2
Expansion_V_C
00
C
P
7
-
0
5
TLV2772Q
NGND
Expansion_V_B
+5V
IM231-M6T2B
1.5kΩ-0603-±1%
1
R
K
7
Ω
C85
TLV2772Q C83
3 14
-0603
1 0V-0603
+5V
C79
100P-50V-0603
4
A
13
Expansion_V_A
R135 1kΩ-0603-±1%
NGND
5 12
ACFAN_L
102-50V-0603
6 11
ACFAN_H
102-50V-0603
R116
4.7KΩ-0603
P2
8
10
4-way_valve
NGND
2
NGND
NGND
R160 2kΩ-0603-±1%
2
8
NGND
电子膨胀阀
(RED)
2
R
K
12
Ω
+12V 12VGND
-0603
OC_SH
R157
IC8A
11
C
N
6
C
4
RS9
1KΩ-0603
0.1Ω/2512/1W/±1%
11
R158
FAN_OC_SH
3
ULN2003
R117
3
+12V
1
R
0
5
K
6
Ω
1KΩ-0603
24
Z
V/
D
1
5
W
-0603
V
C
-0
6
6
5
0
4
560Ω-0603-±1%
TLV2772Q
1
C
0
6
4-
6
5
MMBT9012/2SA1037AK 102-50 3
V
IC
2
4
77
A
2
4
C86
0V-0603 TL Q
OCP-ipm = 5A
102-50V-0603
C67
3P R117 1.65K
退磁
3.22A
104-50V-0603
2P R117 1.3K
退磁
2.57A
+5V
NGND
1.5P R117 560
退磁
1.14A
NGND
NGND
+5V
NGND
+5V
NGND
NGND
100-pin LQFP
R5F524TAADFP
C99
104-50V-0603
10uF-25V-00805
C94
R147
29.4K-0805
R148
29.4K-0805
F-
C
2
9
5
5
V10u -00805
BAV1
BAV99
4
R
.
1
7
4
K
3
Ω-0603
RV2
R35
V
B
99
AV2
4
R
.7
14
K
4
Ω
BA
-0603
TVR14621
390K-0.5W
IM231-M6T2B
RV3
1
C
0
4
4
4
-50V-0603
TVR14621
C
2
X
25
1
/275V
1
C
0
9
4
6
-50V-0603
2
C
50
Y
V
2
10nF/
1
C
0
5
4
8
-50V-0603
1
C
0
8
4
8
-
-
R
0
1
6
2
0
6
3
R122
R92
50V-0603
1MΩ
4.7kΩ-0603
4.7kΩ-0603
C74
C82
C42
224-25V-0603
C75
5V-0603
C76
100
R
P
1
-
2
5
3
0V-0603 100P-
R
5
6
0
6
V-0603
C23 1 04-50V-0603
COM_enble
C28 104-50V-0603
224-2
4.7kΩ-0603
4.7kΩ-0603
1
C
0
5
4
2
-
C72
C31
50V-0603
224-25V-0603
100
R
P
1
-
2
5
4
0V-0603 100P-
R
5
1
0
5
V
3
-0603
R4
4.7kΩ-0603
4.7kΩ-0603
180K-1W
C73 C39
1
R
0
8
K
6
Ω
R
2
8
K
3
Ω
-0603
-0603
100P-50V-0603 100 P-50V-0603
R2
10
R
K
37
Ω
10KΩ-0603
-0603
180K-1W
R118
R127
24kΩ-0603-±1%
1.5kΩ-0603±1%
R108
1.5kΩ-0603±1%
1
R
0
8
K
5
3
Ω-0603
1
1
C
0
1
u
6
F-10V-0805
C63
J2 R46
104-50V-0603
C41
1
C
0
8
4-
9
5
0 10KΩ-0603
102-50V-0603
0V-0603
J1
3
0
1
T
R
V
V
R1
4
4621
2
C
2
X
5
2
/275V
HIHG
LOW
P
T
T
V
V
S1
S
PTC_Relay
5V0S1UR
C36
IsOC_SH
104-50V-0603
[30*ui + 0.495V]@50A
RV1
C98
104-50V-0603
TVR14621
C60
104-50V-0603
1
R
0
4
K
4
Ω
C37
-0603
104-50V-0603
C38
104-50V-0603
26
27
P
P
B
B
7
6/RXD5
P10/MTIOC9B/IRQ0
100
ACFAN_L
4 8
28
P11/MTIOC3A/IRQ1
99
ACFAN_H
PB5/TXD5 P80/MTIC5W/RXD6
98
DRM1
29 97 DRM2
PFC_FO
30
P
V
B
C
4
C
/POE8#/IRQ3
P81/MTIC5V/TXD6
P82/MTIC5U
96
DRM3
1
R
0
4
k
0
Ω-0603±1%
31
32
P
V
B
S
3
S
/MTIOC0A
AVSS1
95
PFC_CTR
33
AVSS0
94
1
R
0
4
k
1
Ω
NC6
93
R18
34
PB2/MTIOC0B/TXD6 AVCC0
-0603-±1%
NC7
PB1/MTIOC0C/RXD6 AVCC1
92
9.1kΩ-0603±1%
TX_insider
35 91
IDC
RX_insider
36
PB0/MTIOC0D/TXD6 P40/AN000
90
NC24
1
R
k
1
Ω
9
PA5/MTIOC1A/RXD6/IRQ1
9. -0603±1%
NC8
37
P41/AN001
89 NC23
NC9 38
PA4/MTIOC1B P42/AN002
NC10 39
PA3/MTIOC2A P43/AN003
88 NC22
87
IDC_Fan
NC11 40
PA2/MTIOC2B P44/AN100
86
NC21
C5
PFC_R_EN 41
PA1/MTIOC6A P45/AN101
PA0/MTIOC6C P46/AN102
85
NC20
0.47UF/630VDC(CBB1)
42
43
V
P96
C
/
C
POE4#/IRQ4
P47/AN103
84
NC19
FAN_Fo
P50/AN206
83 NC18
44
Un_Fan
45
P
V
9
S
5
S
/MTIOC6B
P51/AN207
82
TEMP_ambient
1
81
Vot_SH_Fan
Vn_Fan
46
P52/AN208/IRQ0
P94/MTIOC7A P53/AN209/IRQ1
80
EDC_SH
Wn_Fan
47
48
P93/MTIOC7B P54/AN210/IRQ2
79
Up_Fan
P92/MTIOC6D P55/AN211/IRQ3
78
Is_SH
Vp_Fan
49
50
P91/MTIOC7C P60/AN200
77 NC17
Wp_Fan
P90/MTIOC7D P61/AN201
76 NC16
1
R
0
1
K
4
Ω
1
-0805-±5%
3 2
0
I
A
G
/
1
64 0 0V
PWM_IN
1
IR44273/2
IN
1
R
0
5
0
1
Ω-0603
5
VCC OUT
4
E2,E3 2P 680uF;3P 820uF
OUT/EN
3
E2
680uF/550SV
2
IDC
GND
R76
eeprom_SDA
R800 51 0Ω-0603 10KΩ-0603
E3
IRS44273/2
eeprom_SCL
R801 51 0Ω-0603
680uF/550SV
R802
R102
NC
10KΩ-0603
R74
RV6
4
R
.
1
7
3
K
6
Ω
TEMP_exhaust
10KΩ-0603
-0603
R59 2.2Ω/1206/1% TVR1462 1
R60 2.2Ω/1206/1%
4
C
-5
8
0
4
V10 -060 3
R65 NC
K
R
Ω
1
-
5
02.2 805-±1%
7
C
n
1
F
0
-4. 50V-0603
C87
104-50V-0603 R12 8
R138
1.5kΩ-0603±1%
27kΩ-0603-±1%
5
R
6
1
0
3
Ω
7
-
k
R
Ω
1
-
0
0
7
6
C81
0603-±1%
1.5 03±1%
100P-50V-0603
C46
1
R
0
8
0K-2512-±5%
10
C
0
4
P
8
-50V-0603
4
Z
V-
D
0
3
. V
Z
-
D
0
2
.5
V
Z
-
D
0.
1
5
E15
2 5W 24 W
24 W
1
C
0
2
4-
6
50V-0603
10
C
0
4
P
9
-50V-0603
47uF-25V
E14 E1 3 E12
10
C
0
5
P
1
-50V-0603
22UF/25V
1
C
0
2
4-
5
5
C
10
2
C55
22UF/25V
22UF/25V
0V-0603
D
H
4
S
1
C
0
1
4
4
-50V-0603
1M
2-1KV
224-25V-0603
100P-50V-0603
1
C
0
2
4
7
-50V-0603
4-
C
5
5
0
0
V -
C
50
47
V 4-
C
5
4
0
5
V
C56
0
C
0
8
P
0
-51 0V-0603
10 -0603 104 -0603 10 -0603
224-25V-0603
2
E
2
1
u
8
F-35V
IKCM20L60GD(Infineon)
2
E
2
4
0uF-25V
2
R
0
5
K
8
Ω
2
R
0
5
K
7
Ω-0603-±1%
4
R
7
5
K
2
104
C
-5
6
0V-0603
-0603-±1% Ω-0603-±1%
600V/20A
K
R4
Ω
3
-0 8
R
2
2
0
8
Ω
3 2
2.2 805 -0805-0.125W E1
1
C
0
6
4
8
-680uF-25V 50V-0603
2
R
0
S
m
7
Ω/2W/±1%
2
G
0
C
4-
3
5
2
R
0
S
m
8
1 0V-0603
Ω/2W/±1%
0
R
6
1
0
5
3
0
-±
C97
5.1KΩ- 1% R29
R6
2
R
0
S
m
5
Ω/2W/±1%
N
R
C
151
224-25V-0603
24KΩ-0603-±1%
1
E
0
5
0uF-25V
4.7KΩ-1206-0.25W
2
R
0
S
m
6
R42
Ω/2W/±1%
2
C
4-
1
5
1
0
56.2KΩ-0603-±1%
2 V-0603
2
104-50V-0603
G
CN15
R721 R724
C7
NC 1KΩ-0603
1
E
0
7
0uF-25V
IsOC_SH
R718
0Ω-0603
104
C
-
7
5
1
0V-0603
4
VCC OUT
3 IGBT_OUT
R714
100Ω-0603
1
VDD
14
2
1A
13
PFC_LOCK 5 2
1B 4B
EN/FLT COM
PFC_LOCK 3
4
1Y 4A
12
2A
11
PWM_IN
6
IN OCP
1
5
4Y
6
2B 3B
10
2Y 3A
9
1ED44175
7
VSS 3Y
8
+
+
+
74HC00
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