Wiring Diagrams; Circuit Diagram - Haier HSU18VHK-G Service Manual

10.3 Wiring diagrams

Circuit Diagram

+5V
reset circuit +5V
1
2
3
4
B4B-XH-A
+5V
1
RLS4148
2
D31
E16
4.7uF/16V
R135
KZ
CN5
1K
1 +5V
shorttime
2 R136 C14
1
3
4.7K- 1%
2
0.001UF
4
5
shorttime circuit
B5B-XH-A
+12V
2
1
+5V
+5V
1
2
3
4 +5V
reserve
1 p_12
+5V
2
L switch
+5V
1 p_11
2 reserve
R switch
Power circuit
D3
1N5399
220V-N
D4
1N5399
D2
220V-L
LX1
32mH-0.35A-LB2271
1N5399
D1
1N5399
RV1
TVR14561*
CH1 1
250 L FUSE1
T3.15A/250VAC
+12V
D25
RLS4148
elec-heating
D26
RLS4148
compressor
D27
RLS4148
icon
D28
RLS4148
ST
D29
RLS4148
outdoor fan
D30
RLS4148
220V-L
Fresh air
+5V
IC1
3
1
MODE
2
RST 6
RESET
pipe
57
P0_5/AN2/CLK1
room 54
P0_4/AN3
+5V
KZ
58
P0_6/AN1/DA0
7
P4_7/XOUT
ST
2
OSC1
9
P4_6/XIN
remotion input
56
P6_1
+5V remotion output
55
P6_2
62
VCC/AVCC
+5V 61
VREF
10
VCC/AVCC
8
VSS/AVSS
59
VSS/AVSS
24
15 P1_7/TRAIO/INT1
45
P3_2/(INT2)
network input
26
P1_5/RXD0
network output 27
P1_4/TXD0
2
P3_4/SDA/SCS
1 8
A0 VCC
2 7
A1 WP
3 6 E2 clock 4
A2 SCL P4_3/XCIN
4 5 E2 data 5
GND SDA P4_4/XCOUT
R5F212A7SNFA
1A-800V-500ns-FR106
D5
SCK-4R72
VS
BCK-6-FE1901
C44 10uF-25V-105?
1 T1 7
2
6
reserve
3
4 5
10Ω-1/4W
D6
D8
1A-800V-500ns-FR106
IC2
ICE2A265
ZD1
R6
1Ω-1/2W
220V-N
CX1
0.1uF-275VAC
1
elec-heating wire
1
elec-heating wire
1
1
1
p_1
R81 2K
CN54
4.7K
N
1
ST
R80
2
WF
3
+5V
reserve
1 R104 2K
1
2 RG2
R106
3 C10
47K
0.1uF
remote control reiceive
36
P4_5/INT0
46 595-RCK
P1_3/KI3/AN11
595-SER
43
P3_0/TRAO
595-SCK
42
P3_1/TRBO
Emergency switch
49
P1_0/KI0/AN8
1
P3_3/SSI
DIG1
41
P6_3/TXD2
35 DIG2
P6_0/TREO
L
30
P8_4/TRFO11
28
P8_6
21
P2_2/TRDIOC0 p_1
23
P2_0/TRDIOA0/TRDCLK
GG
60
P0_7/AN0/DA1
64 ST
P3_5/SCL/SSCK
63
P3_7/SSO RG1
44
RG2
P3_6/(INT1)
47
P1_2/KI2/AN10 p_11
48
P1_1/KI1/AN9 p_12
19
P2_4/TRDIOA1 p_42
18
P2_5/TRDIOB1 p_43
17
P2_6/TRDIOC1 p_46
16
P2_7/TRDIOD1 p_47
29
P8_5/TRFO12
31
P8_3/TRFO10/TRFI
32
P8_2/TRFO02
33
P8_1/TRFO01
34
P8_0/TRFO00
37
P6_6/INT2/TXD1
38
P6_7/INT3/RXD1
22
P2_1/TRDIOB0 indoor fan
39
P6_5/(CLK1)/CLK2
40
P6_4/RXD2
50
P0_0/AN7
51
P0_1/AN6
52
P0_2/AN5
53
P0_3/AN4
+5V
35
25
model select
12
P5_3/TRCIOC
13
P5_2/TRCIOB
14
P5_1/TRCIOA/TRCTRG
15
P5_0/TRCCLK
11
P5_4/TRCIOD
25
P1_6/CLK0
20
P2_3/TRDIOD0
+12V
BUZZ
VCC
10Ω-1/4W
1.5K-1/4W
HS1
ZD2
IC6
18V-1W-1N4746A 1.5A-7805 +5V
IN OUT
3A-200V-ER302
+12V
D7
0.1uF
0.1uF
1000uF-35V-105? 470uF-16V
IC10
4 1 ZD3
10Ω-1/4W
3 2
12V-1W-1N4742A
TLP421
reserve
2.2nF/250V 2.2nF/250V
p_42
R61 4.7K
R67 470Ω
p_43
R72 470Ω
p_46
p_47
Icon
D24
CN49
RLS4148
1
2
+12V 3
B3B-XH-A
+5V
reserve
1 R105 2K
2 RG1
R107
3 C11
47K 0.1uF
4
Wiring diagrams
+5V 2
+5V
1
TO Display
1
2
3
4
5
+5V 6
7
8
9
10
GG
ST
E17
4.7uF-16V
+5V
+12V
8 9
GND +12
7 10
A7 B7 outdoor fan
6 11
A6 B6 fresh air
5 12
A5 B5
4 13
A4 B4
3 14
+12V
A3 B3
2 15
A2 B2
10
1 16
A1 B1
9
8
7
6
5
8 9
GND +12 +12V
7 10 4
A7 B7
3
6 11
A6 B6
2
5 12
A5 B5
4 13 1
A4 B4
3 14
A3 B3
2 15
A2 B2
1 16
+12V 5
A1 B1
4
+12V
3
2
1
8 9
GND +12
7 10
R step motor
A7 B7 compressor
6 11
A6 B6 elec-heating
5 12
A5 B5
4 13
A4 B4
3 14
A3 B3
2 15
A2 B2 +12V 5
1 16
A1 B1
4
3
2
1
VCC +5V
IC3
CN26
fan output
7
fan feedback
6
TLP421
5
4 VCC
3
2
4.7uF-50V-105?
1
VS
B7B-XH-A
10K
10K
TLP421
47uF-50V-105?
+12V
D23
RLS4148
D22
RLS4148
D21
RLS4148
4.7K
R71
R75 4.7K
R76 470Ω
R78 470Ω
R77 4.7K
Domestic Air Conditioner
8
7
6
5
4
3
2
1
15
indoor fan
390Ω
IC4 +5V
D20
1
2
RLS4148
3
4
5
B5B-XH-A-blue
self-cleanning step motor