Circuit diagrams
56 Domestic air conditioner
13.2 Outdoor unit control board circuit diagrams
P
T
C1
400
N/
P
SB
400W
S
A1
RA
-
362M
S
T
CO
M
A
B
C
D
+
5V
CO
M
GN
D
ER
RO
R
+
5V
GN
D
+
15V
+
12V
17
V~
20V
+
12V
25
0
m
A
100
0m
A
11
12
8
7
1
2
4
6
5
T
301
BC
K-
25-
2252
VD
C
+
5V
D
+
5V
+
5V
+
5V
1-
6-
RS
T
1-
6-
RS
T
1-
6-
RS
T
+
5V
1-
5-
MO
DE
1-
5-
MO
DE
1-21-
VS
P
1-22-
PG
-BA
CK
1-
21-
VS
P
1-
22-
P
G-
BA
CK
P
C
通
讯
T
XD
P
C
T
XD
+
5V
TX
D
RX
D
TX
D
RXD
T
ES
T
-
EN
T
ES
T
-
EN
+
5V
故障
灯
S
W-
1
S
W-
2
+
5V
S
W-
1
S
W-
2
+
5V
1-
18-
S
CL
1-
17-
S
DA
EE
P
RO
M
+
5V
1-18-
SCL
1-17-
SD
A
S
T
EP
A
S
T
EP
B
S
T
EP
C
S
T
EP
D
CO
M
+
12V
S
T
EP
A
S
T
EP
B
S
T
EP
C
S
T
EP
D
P
T
C
S
T
DJ
R1
COM
+
12V
+
310V
+
310V
P
C
通
讯
RX
D
P
C
RX
D
P
T
C
S
T
P
OW
ER
P
N
+
310V
DG
ND
+
310V
CO
MA
+
5V
AC
-N
CO
MA
HE
AT
1
CO
M-
T
X
D
CO
M-
RX
D
+
5V
T
XD
-
P
C
T
ES
T
/
S
S
RX
D-
P
C
+
5V
+
5V
+
5V
DR
M1
DR
M2
DR
M3
GN
D
DR
M1
DR
M2
DR
M3
0Ω
J
1
ON
J1
NO
RD
IC
OF
F
10
Hz
U
P
J2
ON
ON
ON
OF
F
10
Hz
D
N
OF
F
OF
F
OT
HE
R
AR
EA
1
D250/
63
82
4-
1
CN
1
AC
-
N
1
D250/
63
82
4-
1
CN
2
AC
-
L
P
E
1
D250/
63
82
4-
1
CN
3
CO
M
1
D250/
63824-
1
CN
4
AC
-
N
1
D250/
63824-
1
CN
7
AC
-
L
1
D
25
0/
6382
4-
1
CN
6
AC
-
L
OU
T
1
D250/
63824-
1
CN
9
AC
-
N
OU
T
1
D250/
63824-
1
CN
8
1
2
B2P
3
-
VH
(
CN
10
1
D250/
63824-
1
CN
26
1
D250/
63824-
1
CN
24
1
2
3
B3B
-
XH
-
BL
-
CN
23
1
2
3
B3B
-
XH
-
B-
CN
22
1
2
3
4
B4B
-
XH
-
A-
CN
33
1
2
3
4
5
6
6-
1
97179
8-
CN
20
1
2
3
4
5
6
6-
1971798-
3-
CN
16
1
2
3
4
5
B5B
-
XH
-
W-
CN
19
1
2
3
4
5
B5
B-
XH
-
W-
CN
29
MM
S
D4148T
1G
D5
MM
S
D4148T
1G
D6
MM
S
D4148T
1G
D8
MM
S
D4148T
1G
D9
MM
S
D414
8T
1G
D13
MM
S
D4148T
1G
D14
MM
S
D4148T
1G
D15
US
1M
(
1A
-
1000V
-
75ns
)
D301
US
1M
(
1A
-
1000V
-
75ns
)
D302
1
2
B2
P
3
-V
H(
CN
48
S
ML
-
210M
T
LE
D1
S
ML
-
210M
T
LE
D2
S
ML
-
210M
T
LE
D3
TV
S1
P
T
VS
5V
0S
1U
R-
5V
-
400W
-
单
向
2S
C2412K
N1
2S
D1
781K
T14
6R
N2
2S
C2412K
N5
2S
A1037A
K
P
2
2S
A1037A
K
P
1
2S
C2412K
N3
2S
C24
12
K
N6
2S
C2412K
N7
1
2
4
3
8m
H-
20A
L1
RV
4
T
VR
14621K
B251Y
R27
220
K-
2W
R23
220K
-
2W
1M
-
1/
4W
R1
1M-1/
4W
R2
R12
100
Ω
-
1W
4.
3K
±
1%
R3
09
15
K±
1%
R3
10
5.
1K
±
1%
R3
11
20K
±
1%
R308
560
-0805
R306
20K
±
1%
R76
20K
±
1%
R78
47K
±
1%
R82
560-
0805
R14
560-
0805
R26
560-
0805
R24
560-
0805
R18
15-
0805
R304
2
Ω
-
1206
R302
2
Ω
-
1206
R303
33K
-
0805
R312
10
0
-
080
5
R30
10
0
-
080
5
R31
2K
-
0805
R75
2K
R59
2K
R61
10K
R60
10K
R62
10K
R48
10K
R49
10K
R51
10K
R68
10K
R80
10K
R81
10K
R65
10K
R95
10K
R88
10K
R39
1K
R97
1K
R9
1K
R10
1K
R11
1K
R22
1K
R28
10K
R19
10K
R17
10K
R13
10K
R74
F
US
E1
T
25A
25
0V
AC
1K
-
0805
R55
1K-
0805
R50
1K
-
0805
R98
33
0
-
080
5
R43
R4
2K
-
2W
820
UF
- 450
V-
105
℃
E1
820
UF
- 45
0V
- 10
5
℃
E2
470uF
-
35V
-
105
℃
-
E305
1000uF
-
25V
-
105
℃
-
E303
0.
1uF
C3
11
0.
1uF
C312
0.
1uF
C306
0.
1uF
C309
0.
1uF
C308
0.
1uF
C304
0.
1uF
C307
0.
1uF
C19
0.
1uF
C23
0.
1uF
C25
0.
1uF
C26
0.
1uF
C12
0.
1uF
C1
3
0.1uF
C33
0.1uF
C34
0.1uF
C35
0.
1uF
C1
0
0.
1uF
C11
0.
1uF
C7
1uF
C8
1nF
C9
1nF
C20
1nF
C14
1nF
C5
1nF
C6
0.
01uF
-
630V
C3
472/250V
/275V
CY1
0.
1uF
C1
2.
2uF
/
275V
CX
1
2.2uF
/275V
CX
2
103/
275V
CX
4
470pF
-
100V
-
0805
C305
BV
1
F
BB
2
CS
3
NC
4
Dr
ai
n
5
GN
D
8
VC
C
7
I
CE
3A
R2280V
J
Z-
DI
P
-
7
I
C301
A0
1
A1
2
A2
3
GN
D
4
S
DA
5
S
CL
6
WP
7
VC
C
8
I
C6
M24C
16
I
NP
UT
1
GND
2
OU
T
P
UT
3
I
C305
L7805C
V
I
NP
UT
1
GND
2
OU
T
P
UT
3
I
C306
L7805C
V
I
NP
UT
1
GND
2
O
UT
PU
T
3
I
C303
L7815
P01/
TO
00
61
P27/
ANI
7
49
P26/
ANI
6
50
P25/
ANI
5
51
P24/
ANI
4
52
P23/
ANI
3
53
P22/
ANI
2
54
P21/
ANI
1/AV
RE
FM
55
P20/
ANI
0/AV
RE
FP
56
P130
57
P04/
SCK
10/S
CL
10
58
P03/
ANI
16/S
I10/
RXD
1/S
DA10
59
P02/
ANI
17/S
O10/
TX
D1
60
P00/
TI
00
62
P141/
PCL
BUZ
1/I
NT
P7
63
P140/
PCL
BUZ
0/I
NT
P6
64
P
120/
AN
I
19
1
P
43
2
P
42/
T
I
04/
T
O04
3
P
41/
T
I
07/
T
O07
4
P
04/
T
OO
L0
5
RE
S
ET
6
P
124/
XT
2/
EX
CL
KS
7
P
123/
XT
1
8
P
137/
I
NT
P
0
9
P
122/
X2/
EX
CL
K
10
P
121/
X1
11
RE
GC
12
VS
S
13
EV
S
S
0
14
VD
D
15
EV
DD
0
16
P
147/
AN
I
18
48
P73/
KR3/
SO
01
26
P72/
KR2/
SO
21
27
P71K
R1/
SI
21/S
DA21
28
P70/
KR0/
SCK
21/S
CL
21
29
P06/
TI
06/T
O06
30
P05/
TI
05/T
O05
31
P30/
IN
TP
3/RT
C1H
Z/
SCK
11/S
CL
11
32
P
50/
I
NT
P
1/
S
I
11/
S
DA
11
33
P
51/
I
NT
P
2/
S
O11
34
P
52/
(
I
NT
P
10)
35
P
53/
(
I
NT
P
11)
36
P
54
37
P
55/
(
P
CL
BU
Z1)
/
(
S
CK
00)
38
P
17/
T
I
02/
T
O02/
(
S
O00)
/
(
T
XD
0)
39
P
16/
T
I
01/
T
O01/
I
NT
P
5/
(
S
I
00)
/
(
RX
D0)
40
P
14/
RX
D2/
S
I
20/
S
DA
20/
(
S
CL
A0)
/
(
T
I
03)
/
(
T
O03)
42
P
12/
S
O00/
T
XD
0/
T
OO
LT
XD
/
(
I
NT
P
5)
/
(
T
I
05)
/
(
T
O05)
44
P
10/
S
CK
00/
S
CL
00/
(
T
I
07)
/
(
T
O07)
46
P60/
SCL
A0
17
P61/
SD
AA0
18
P62
19
P63
20
P75/
KR5/
IN
TP
9/S
CK01/
SCL
01
24
P74/
KR4/
IN
TP
8/S
I01/
SD
A01
25
P76/
KR6/
IN
TP
10/(
RXD
2)
23
P
146
47
P31/
TI
03/T
O03/
IN
TP
4/(
PCL
BUZ
0)
21
P77/
KR7/
IN
TP
11/(
TX
D2)
22
P
11/
S
I
00/
RX
D0/
T
OO
LR
XD
/
S
DA
00/
(
T
I
06)
/
(
T
O06)
45
P
15/
S
CK
20/
S
CL
20/
(
T
I
02)
/
(
T
O02)
41
P
13/
T
XD
2/
S
O20/
(
S
DA
A0)
/
(
T
I
04)
/
(
T
O04)
43
R5F
100L
EA
F
A
I
C5
3
5
4
1
2
HF
33F
/
012-
ZS
(
310)
(
335)
K1
3
4
1
2
12V
-
25A
-
891P
-
1A
-
S
K5
0.
01uF
-
630V
C310
10K
R29
10K
R53
10K
R54
10K
R56
1nF
C3
02
4.
7nF
C303
RV
2
TV
R14621K
B251Y
RV
3
TV
R14621K
B251Y
RV
1
TV
R14621K
B251Y
472/250V
/275V
CY2
472/250V
/275V
CY3
472/250V
/275V
CY4
472/
250V
/
275V
CY
8
472/
250V
/
275V
CY
9
2.2nF
/250V
/275V
CY
5
2.2nF
/250V
/275V
CY
10
AC
-
N
1
2
4
3
8m
H-
20A
L2
F
US
E2
T
3.
15A
/
250V
AC
4
3
1
2
K3
HF
32F
-
012-
HS
(
310)
(
335
)
4
3
1
2
K2
HF
32F
-
012-
HS
(
310)
(
335
)
ER
2D
/
M
UR
S2
20T
3G
D304
3
1
2
RE
F
K
A
I
C304
AZ
431S
AN
T
RG
1-
S
OT
23
51-
1206
R305
51-
1206
R313
+
5V
+
15V
+
15V
+
5V
1
2
3
4
6
CN
21
B5P
6-
VH
-
2.
7K
-
0805
R37
390-
0805
R38
10K
-
0805
R34
10K
-
0805
R3
5
10K
-
0805
R33
10K
-
0805
R36
0.
1uF
-
0805
C15
NC
4
NC
5
NC
6
4.
7nF
/
630V
C301
R301
47K
-
3W
S
B5100(
5A
-
100V
)
D303
1
2
3
4
B4B
-
XH
-
A-
CN
28
1
2
3
4
5
6
7
8
1
K
1
K
1
K
1
K
RA
1
1K
1
2
3
4
5
6
7
8
10
K
10
K
10
K
10
K
RA
3
10K
1
2
3
4
5
6
7
8
10
K
10
K
10
K
10
K
RA
7
10K
1
2
3
4
5
6
7
8
10
K
10
K
10
K
10
K
RA
8
10K
1
2
3
4
5
6
7
8
1
0
K
1
0
K
1
0
K
1
0
K
RA
6
10K
1
2
3
4
5
6
7
8
1
0
K
1
0
K
1
0
K
1
0
K
RA
5
10K
10K
-
0805
R64
1K
-
1206
R41
DRM
1
DRM
2
DRM
3
10K
R66
1K
-
1206
R79
4.
7K
R5
4.
7K
R3
4.
7K
R8
4.
7K
R7
4.
7K
R21
4.
7K
R25
4.
7K
R47
4.
7K
R40
10K
R45
10K
R44
1K
-
0805
R77
1K
R83
DJ
R1
CO
M-
T
XD
CO
M-
RX
D
0Ω
J
2
1K
-
1206
R1
5
1K
-
1206
R1
6
10K
-
0805
R96
P
C817A
-
I
C10
P
C817A
-
I
C8
P
C817A
-
I
C9
T
LP
628/
P
C851-
I
C3
P
C817A
-
I
C302
0.
1uF
C21
1.
2K
-
0805
R307
RV
5
T
VR
14621K
B251Y
RV
6
TV
R14621K
B251Y
R20
4.
7K
-
0805
+
5V
+
12V
E8
10
0uF
-16V
-1
05
℃
E308
100uF
-16V
-105
℃
E307
100uF
-16V
-105
℃
E302
22uF
-
35V
-
105
℃
-
E9
47
U
F
-50
V
-1
05
℃
E306
220uF
-
25V
-
105
℃
-
C18
10nF
-
0805
R6
1K
-
0805
S
1M
/
MR
A4007
(
1A
-
1000V
)
D17
S
1M
/
MR
A4007
(
1A
-
1000V
)
D10
ZD
1
S
M4746A
ZD
2
S
M4746A
R32
270K
-
0805
C4
1nF
-
1206
+
5V
N8
2S
C2412K
R46
10K
R63
10K
R42
10K
+
5V
1
2
3
4
5
6
7
8
10K
10K
10K
10K
RA
2
10K
I
1
1
I
2
2
I
3
3
I
4
4
I
5
5
I
6
6
I
7
7
GN
D
8
CO
M
9
O7
10
O6
11
O5
12
O4
13
O3
14
O2
15
O1
16
UL
N2003
I
C7
Содержание 2P Series
Страница 11: ...Pinping diagrams Domestic air conditioner 4 Piping diagrams 9 EEV EEV...
Страница 12: ...Operation range 10 Domestic air conditioner 5 Operation range 10 0 21 27 35 20 40 60 43 20 40...
Страница 30: ...Dimensional drawing 28 Domestic air conditioner 8 Dimensional drawings 9 Center of gravity...
Страница 38: ...Service diagnosis 36 Domestic air conditioner...
Страница 60: ...Sincere Forever...