ELECTRICAL SCHEMATICS
ES50
GTPSG4-30, ELECTRICAL SCHEMATIC
081319D
1
23
0V
a
c
Ho
t I
n
pu
t
1
12 V
a
c
In
pu
t
2
23
0V
a
c
Ho
t I
n
pu
t
2
12 V
a
c
In
pu
t
3
Br
e
w
V
a
lv
e
Right
3
Ta
n
k W
a
te
r L
e
ve
l P
ro
b
e
4
Br
e
w
V
a
lv
e
Left
4
Vd
d
+
5Vd
c
5
230V
a
c
L2
5
No
t U
se
d
6
In
le
t Va
lv
e
6
Ta
n
k Te
m
p
e
ra
tu
re
S
e
n
so
r
7
No
t U
se
d
7
Ta
n
k Te
m
p
e
ra
tu
re
S
e
n
so
r
8
No
t U
se
d
8
(D
at
a_C
o
m
mu
n
ic
a
ti
o
n
N
e
xt
)
No
t U
se
d
9
Triac Gate
9
V
ss
- (
Lo
g
ic
_Co
mmo
n
)
10
Triac A2
10
So
lid
St
at
e
R
e
la
y
+5
V
d
c
11
Br
e
w
C
o
n
e
L
o
c
k
Right
11
D
a
ta
_C
o
m
m
u
n
ic
a
ti
o
n
F
irs
t
12
Br
e
w
C
o
n
e
L
o
c
k
Left
12
No
t U
se
d
13
W
a
rm
e
r Right
13
So
lid
St
at
e
R
e
la
y
- Co
m
m
o
n
14
W
a
rm
e
r Left
14
UP
M
G
ro
u
n
d
15
By
p
a
ss
V
a
lv
e Right
16
By
p
a
ss
V
a
lv
e Left
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
1
12
V
a
c
In
p
u
t (
Ba
c
k L
ight
)
1
TX
-
Tr
a
n
sm
it
2
Vd
d
+
5Vd
c
2
RX
- R
e
c
e
iv
e
3
V
ss
- (
Log
ic
_C
om
m
o
n
)
3
No
t U
se
d
4
No
t U
se
d
4
Vd
d
+
5Vd
c
5
12
V
a
c
In
p
u
t (
Ba
c
k L
ight
)
5
V
ss
- (
Lo
g
ic
_Co
mmo
n
)
6
D
a
ta
_C
o
m
m
u
n
ic
a
tio
n
F
irs
t
7
No
t U
se
d
8
No
t U
se
d
1
V
ss
- (
Log
ic
_C
om
m
o
n
)
2
TX
- Tr
a
n
sm
it
3
Vd
d
+
5Vd
c
4
RX
-
Re
c
e
iv
e
5
No
t U
se
d
6
No
t U
se
d
(UCM TOUCH SCREEN) Pin Assignments
(U
SB
) P
in
A
ss
ign
m
e
n
ts
6-
Pi
n C
o
nne
c
to
r
(UPM) Pin Assignments
r
ot
c
en
n
o
C
ni
P
41
r
ot
c
en
n
o
C
ni
P
02
r
ot
c
en
n
o
C
ni
P
5
r
ot
c
en
n
o
C
ni
P
8
SINGLE, 220-240 VOLT, DUAL ELEMENT