Haier 2U14CS4ERA User Manual

14 Circuit diagrams
14.1 Outdoor unit control board Circuit Diagrams
Circuit diagrams
Domestic air conditioner
D1
1
C1
2
MODE
3
B1
4
A1
5
RES
E
T
6
XOUT
7
VSS
/
AVS
S
8
XIN
9
VCC/
AVC
C
10
SDA
1
1
SC
L
12
13
D2
14
C2
15
16
B2
17
A2
18
NC
19
NC
20
NC
21
TEST- EN
22
COOL-EN
23
HEAT -E N
24
NC
25
RXD0
26
TXD0
27
NC
28
NC
29
NC
30
NC
31
NC
32
NC
33
NC
3
4
4
052-B
35
3
6
PC
TXD1
3
7
RXD
1
38
4052-A
39
NC
40
TXD
2
41
/
/
42 4
3
44 4
5
VSS
46
VSS
47
4052-B
48
4052-A
49
CG
50
HW
51
CS
52
XG
53
TC
54
NC
55
NC
56
57
58
VSS/AVSS
59
60
VREF
61
VCC
62
63
PTC
64
IC17
R5F212A8SNFA
GND
4
GND
3
GND
2
GND
1
VCC
8
GND
7
SCL
6
SDA
5
IC6 AT24 C04
1
CN2
AC-L
1
CN1
AC-N
FUSE1
T25A 250VAC
RV1
S14K35 0
R1
1M
R7
100/1W
CX1
225/275V
L1
8MH/20A
RV2
S14K350
RV3
S14K350
R2
1M
CX2
225/275V
L2
8MH/20A
CX3
225/275V
PTC1
400N/PSB400
CY1
472/250V/27
5
V
CY2
472/250V/
275
V
CY3
472/250V/27
5
V
CY4
472/250V/27
5
V
1
CN3
PE
SA1
RA-362M
K6
12V-25A- 891P -1A-C
K5
12V-5A-892H(N)-1AC-C
K4
12V-5A-892H(N)-1AC-C
K3
12V-5A-892H(N)-1AC-C
K2
12V-5A-892-1CC-C
K1
12V-5A-892-1CC-C
1
2 3
CN1
1
CX4
103/275V
1
2 3 4
5 6 7
8 9
CN
1
2
1 2
3 4 5
CN43
STCOM
1
CN14
1
CN13
C1
2U/450V
HMLCCOMCOMLH
CC
1 2 3 4 5 6 7 GN
D
12
V
1
0
11 1
2
1
3
14 15 16
IC8
ULN2003
1 2 3 4 5 6 7 GND1
2
V
10 11 12 13 14 15 16
IC7
ULN2003
Y0
Y2
Y
Y3
Y1
INH
VEE
VSS B
A
X3
X0
X
X1
X2
VDD
IC5
MC1 40 5 2
Y0
Y2
Y
Y3
Y1
INH
VEE
VSS B
A
X3
X0
X
X1
X2
VDD
IC13
MC140 5 2
+12V
1
2
3
4
5
6
CN16
1
2
3
4
5
6
CN15
+12V
D1
C1
B1
A1
D2
A2
B2
C2
C17
104/50V
C18
104/50V
+12V +12V
R36
2K
LE D1
R
34 10K
R3
1
1
0
K
R3
21
0K
R33 10K
+5V
P1
2SA1037AK
R28
5.1K/1%
R29
10K
R30
1K
+5V
C10
102/50V
1
2
3
4
5
6
CN22
1
CN40
1
CN41
C31
103/50V
310V
0V
15V
R81
2.2K
R84 1K
R82 1K
R8
330/1W
R85
1K
R83 330
ZD2
10V/0.5W
ZD3
5.1V/0.5W
4
3
1
2
IC1 5 PC 81 7 A
4
3
1
2
IC16 PC817A
E11
47U/25V
+5V
N1
8050
R80 1K
R79
10K
R78
330
R77
5.1K/1%
C11
102/50V
1
2
3
4
CN33
VCC VO
GND
IC14 T600D
XT1 4M
C12
104/50V
R35
10K
D11
RLS4148
C13
104/50V
+5V
C21
104/50V
R62 56
0
R60
10K
R
61
1
0K
R37
10K
+5V
MODE
RST
5V
GND
C16
104/50V
1
2
3
4
CN21
1
2
3
4
CN20
1
2
3
CN17
1
2
3
CN19
1
2
CN18
+5V
+5V
R
69
2
0
K/1
%
R
72
20K /1%
R73
20K/1%
R74
1K
R76
20K/1%
R70 1K
R75
1K
R71
1K
C28
1
04/50V
C27
104/50V
C30
104/50V
C29
104/50V
E17
4.7U/16V
E16
4.7U/16V
E19
4.7U/16V
E18
4.7U/16V
E15
4.7U/16V
E14
4.7U/16V
E13
4.7U/16V
XG-A
CG-A
5V
5V
XG-B
CG-B
5V
5V
+5V
R59 1
0
K/1%
R5
8
1
0
K/1%
R5
7
1K
R50
1K
R5
6
1
K
R45 1
K
R
4
41K
C20 1
0
2/50
V
C19 102/50V
R
6
7
2
0
K/1%
R65
2
0K /
1
%
R6
3
4
7
K/1%
R68
1K
R66
1K
R64
1K
C25
104/50V
C26
104/
5
0V
C24
104/50V
5V
CS
5V
HW
5V
TC
1
2
3
CN24
5V
COM
GND
J60
J61
1
2
3
4
5
CN34
J51
J
52
J20
1
CN42
ERRO R
J53
J17
J47J18 J54 J46
J42
1
2
3
4
CN35
+5V
J29
J28
J13J63
J62
AC-L
AC-N
AC-L
AC-N
CY5
472/250V/275V
CY6
472/250V/275V
1
CN6
AC-N OUT
1
CN7
AC- L OUT
J66
J49
J48
C23
104/50V
1
CN9
AC-N OUT
1
CN10
AC-L OUT
J1 J3
J4
J2
FLASH
J3
7
R5
5
1
K
R54
1K
R53
1
K
R5
2
1K
R5
1
1
K
J3
6
J35
R46
1
K J24J33
R47 1K J25J34 R4
81
K J2
3
J32
R4
91
K J22J
3
1
E12
4.7U/16 V
C22
104/50V
J43
1
CN8
PE
J15J12 J30J27 J40 J57 J59
+5V
+5V
J56J41J9 J16J10
J5
8
J44
+12V
+12V
J2
6
J11 J14
J39
J38
J55 J21J45
1
2
CN44
TE ST/SS
FUC
T
ION TES
T
SW TEST
CX8
104/275V
R86 0
R87
10K
1
2
CN45
R88
1K
R89
10K
+5V
R90 0
R91
0
RXD2
TXD2
RXD1
TXD1
RXD2
TXD2
RXD1
TXD1
R93
0
Vin
1
GND
2
Vout
3
IC4 L7805CV
C9
104/50V
E8
100U/16V
R23
47
R15
47
C6
104/50V
IC3
TL431C
C3
102/100V
L3
20UH/1A
ZD1
IN5948B
E5
470U/25V
E6
100U/16V
E7
470U/25V
E9
47U/25V
CY12
222/250VAC
D7
MBR1100
C2
102/100V
R11 47
C7 104/50V
R16
1K/0.5W
C8
104/50V
+5V+12V
E4
470U/25V
R12
330/1W
+15V
R27
5.1K/1%
R26
1K
R24 5.1K/1%
R25
1K
C5
104/50V
R18
10K
R22
1K
R9 2/1W
R1
0
100K/2W
R20
15
C4
103/50V
9
10
+5VD
T1
E22034
7
6
4
5
CY11
472/1KV
R21
20K/1%
1
3
R19
5.1K/1%
CX5
104/275V
ADJ
1
FB
2
CS
3
GND
4
HV
8
NC
7
VCC
6
DRV
5
IC1
NCP1200P100
D6
MUR115\ER106
D5
IN4937\ER106
D8
MBR3100\ER302
4
3
1
2
IC2 PC817A
R13
220
R14
220
M1
IRFUC20
E10
47U/450V
D1
IN4007
D2
IN4007
D3
IN4007
D4
IN4007
NTC1
SCK-4R72
AC-L
AC-N
1
2
3
CN23
J8
1
CN39
R92 0
CY7
222/250V
R5
1.8K
CY8
222/250V
C14
102/50V
+5V
R40
1K
R3
2K/2W
D9
IN4007
4
3
1
2
IC11
TLP851/PC851
R39
2K
R38
1K
4
3
1
2
IC12
TLP421/PS2561
RXD2
TXD2
CY9
222/250V
R6
1.8K
CY10
222/250V
C15
102/50V
+5V
R43
1K
R4
2K/2W
D10
IN4007
4
3
1
2
IC9
TLP851/PC851
R42
2K
R41
1K
4
3
1
2
IC10
TLP421/PS2561
RXD1
TXD1
1
2
3
4
5
CN36
N
COMB
COMA
1
CN5
1
CN4J64
J65
1
CN46
1
CN27
P
1
CN29
P
1
CN30
N
1
CN25
N
E1
820U/400V
E2
820U/400V
E3
820U/400V
CX6
105/275VAC
CX7
105/275VAC
1
CN32
N
1
CN28
P
1
CN26
N
1
CN31
P
R17
220K/2W
LED2
POWER
1
CN37
1
CN38
79

Haier 2U14CS4ERA Specifications

General

Brand	Haier
Model	2U14CS4ERA
Category	Air Conditioner
Language	English