Haier HBU-14CL03R1 Service Manual page 63

Cassette type low ambient cooling series commercial air conditioning
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HBU-18CL03/R1
1
2
DL2
+12
LM358
4
6
A
7
5
B
DL3
+12
8
C
DL4
D
D
DL5
CN12
+5
R36
10K
Q4
9014
R35
10K
+12
R34
1k
R22
10K
Q6
9014
C
+5
10K
XT
R33
+5
103
C24
R21
10K
+5
R8
1K
10K
R19
C19
B
CN11
103
10K
R16
+5
R17
1K
600D
C18
IC2
104
C17
4.7UF/50V
OSC
A
1
2
3
4
R27
IC5
+12
4
10K
2
LM358
R28
1
8
10K
3
+12
R29
C21
10K
104
C20
104
VDD
1
RX
2
TX
3
4
5
6
7
8
9
10
11
IC1
12
13
14
15
16
TEST
17
RESET
18
XIN
19
XOUT
20
GND
VREF
21
TMP87C846
+5
C7
+5
104
4148
DB1
D5
1K
1K
R18
R20
CT1
+5
R24
560
C23
C13
RV1
104
101
470UF/16V
7805
+12
+5
3
1
Vout
Vin
D2
C4
C6
C5
104
C3
D4
104
100UF/16V
2200UF/35V
3
4
5
DL1
LN
+12
+5
C25
104
R30
1K
R37
42
10K
C26
41
Q3
103
9014
40
IC3
2803
39
1
2
38
3
4
37
5
6
36
R31
7
8
5.6K
35
9
34
33
32
+5
31
30
R32
10K
29
28
27
26
25
24
C9
23
102
22
R14
10K
R13
20K
L2
C8
331K
4.7UF/50V
R2
10K
3.15A/250V
T1
FUSE
D1
VR
C1
CN3
CN14
D3
0.1UF/275V
5
- 62 -
ELECTRICAL DATA
6
7
CN13
+12
Y.S.J
JK7
18
I8
Q8
17
I7
Q7
15
I6
Q6
16
I5
Q5
14
I4
Q4
13
I3
JK5
W.F.J
Q3
12
I2
Q2
11
I1
H.X.F
Q1
10
GND
VCC
JK6
+12
JK3
R1
10K
J14
JK2
JK1
JK4
+5
L1
101K
CN2
EX TH
H IGH
PIN .
41
COOLING
AND
HEATING
28
AUTO
RESTART
L
N
6
7
8
D
C
CN7
CN4
FM
R23
47
C22
0.01UF/275
OF
V
N
CN5
C
HF
LF
MF
N
CN8
CN9
PUMP
B
LOW
COOLING
ONLY
NO AUTO
RESTART
A
8

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