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Control board picture
WHP18M2A21S
Main control board
NO.
1
D
r
v i
r e
E
E
D
a
2
D
C
M
t o
r o
3
O
l n
f y
r o
d
e
v
e
4
Electronic Expansion Valve B
5
Electronic Expansion Valve A
6
F
r o
d
e
v
e
o l
p
r e
7
M
a
n i
E
E
d
a
a t
8
- 4
w
a
y
V
a
v l
e
9
E
e l
t c
c i r
H
e
t a
1
0
B
a
s
e
H
e
t a
r e
Description
a t
S
o
k c
t e
o l
p
r e
o s
k c
t e
n i
g
B
t l e
- 35 -
NO.
Description
1 1
S
e
n
s
r o
S
g i
n
a
f l
o r
1
2
C
o
m
m
u
n
c i
t a
o i
n
S
1
3
A
C
P
o
w
r e
L
n i
14
AC Power Nin
15
Earth
1
6
R
e
a
t c
r o
L
1
1
7
R
e
a
t c
r o
L
2
1
8
C
o
m
p
e r
s s
r o
U
1
9
C
o
m
p
e r
s s
r o
V
2
0
C
o
m
p
e r
s s
r o
W
m
S
e
n
s
r o
B
o
a
d r
g i
n
l a
o t
n I
d
o
r o
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