ELECTRICAL SCHEMATICS
ES157
SERA-34, ELECTRICAL SCHEMATIC
040120NC
1
12
V
a
c
In
p
u
t
2
12
V
a
c
In
p
u
t
3
Ta
n
k W
a
te
r Lev
e
l Pr
ob
e
4
V
dd +
5V
d
c
5
No
t U
se
d
6
Ta
n
k Te
m
p
e
ra
tu
re
S
e
n
so
r
7
Ta
n
k Te
m
p
e
ra
tu
re
S
e
n
so
r
8
D
a
ta
_C
o
m
m
u
n
ic
a
ti
o
n
N
e
xt
(N
o
t U
se
d
)
9
V
ss
- (
Log
ic
_C
om
m
o
n
)
10
So
lid
S
ta
te
R
e
la
y +
5Vd
c
11
D
a
ta
_Co
mmu
n
ic
a
ti
o
n
F
irs
t
12
Not Used
13
So
lid
St
a
te
R
e
la
y -
Co
mmo
n
14
Tank G
ro
u
n
d
r
ot
c
e
n
n
o
C
ni
P
4
1
1
220-240Vac Hot Input
2
220-240Vac Hot Input
3
Br
ew
V
a
lv
e R
ig
h
t
4
Br
ew
V
a
lv
e L
e
ft
5
220-240Vac Input
6
In
le
t Va
lv
e
7
No
t U
se
d
8
No
t U
se
d
9
No
t U
se
d
10
No
t U
se
d
11
Brew Pump
12
Brew Pump
13
Not Used
14
Not Used
15
Not Used
16
Not Used
17
No
t U
se
d
18
No
t U
se
d
19
Cu
rr
e
n
t Se
n
so
r
20
Cu
rr
e
n
t Se
n
so
r
(U
PM
) P
in As
si
g
n
m
e
nt
s
r
ot
c
e
n
n
o
C
ni
P
0
2
1
TX
-
Tr
a
n
sm
it
2
RX
-
Re
c
e
iv
e
3
No
t U
se
d
4
V
dd +
5V
d
c
5
V
ss
- (
Log
ic
_C
o
m
m
on
)
r
ot
c
e
n
n
o
C
ni
P
5
1
12
V
a
c
In
p
u
t
(B
a
c
k L
ig
h
t)
2
V
dd +
5V
d
c
3
V
ss
- (
Log
ic
_C
om
m
o
n
)
4
No
t U
se
d
5
12
V
a
c
In
p
u
t
(B
a
c
k L
ig
h
t)
6
D
a
ta
_Co
mmu
n
ic
a
ti
o
n
F
irs
t
7
No
t U
se
d
8
No
t U
se
d
1
V
ss
- (
Log
ic
_C
o
m
m
on
)
2
TX
-
Tr
a
n
sm
it
3
V
dd +
5V
d
c
4
RX
-
Re
c
e
iv
e
5
No
t U
se
d
6
No
t U
se
d
(U
C
M
T
O
U
C
H
SC
RE
EN
)
Pi
n
A
ss
ign
me
n
ts
(U
SB
) P
in
A
ss
ig
n
m
e
n
ts
6-
Pi
n C
o
nn
ect
or
r
ot
c
e
n
n
o
C
ni
P
8
Mo
d
e
l
V
o
lt
ag
e
V
A
m
p
s
A
Wa
Ʃ
s
W
He
rt
z
Hz
#
o
f
Co
n
d
u
ct
o
r
Wi
re
s
Ph
as
e
#
o
f
Tan
k
El
e
m
e
n
ts
Ta
nk
Ele
m
e
nt
Ra
Ɵ
n
g
W/V
22
0
1
4
.4
3
15
9
23
0
1
5
.0
3
45
3
24
0
1
5
.6
3
76
0
22
0
1
3
.2
2
90
7
23
0
1
3
.8
3
17
7
24
0
1
4
.4
3
46
0
EL
EC
TR
IC
AL
R
ATI
N
G
T
A
B
LE
SE
R
A
3
2
x
(1
)
1700W
/24
0V
+
(1
)
2
0
0
0
W/2
2
0
V
2
SE
R
A
3
4
x
2
1
70
0W
/2
4
0
V
50
/6
0
1
2
SERA2B34x, SERA2W34x