ELECTRICAL SCHEMATICS
ES25
SERA2, ELECTRICAL SCHEMATIC
102116NC
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
el
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
- (
Lo
g
ic
_Co
mmo
n
)
10
So
lid
St
a
te
R
e
la
y +
5V
d
c
11
D
a
ta
_Co
mmu
n
ic
at
io
n
F
irs
t
12
Not Used
13
So
lid
St
a
te
R
e
la
y -
C
o
mmo
n
14
UP
M
G
ro
u
n
d
r
ot
c
e
n
n
o
C
ni
P
4
1
1
12
0V
H
o
t
In
p
u
t
2
12
0V
H
o
t
In
p
u
t
3
Br
ew
V
a
lv
e R
ig
h
t
4
Br
ew
V
a
lv
e L
e
ft
5
12
0V
N
e
u
tra
l
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
C
u
rre
nt
S
e
ns
o
r
20
C
u
rre
nt
S
e
ns
o
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
- (
Lo
g
ic
_Co
mmo
n
)
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
o
m
m
on
)
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
_C
o
m
m
u
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 As
si
g
n
m
e
nt
s
6-
Pi
n C
o
nne
c
to
r
r
ot
c
e
n
n
o
C
ni
P
8