ELECTRICAL SCHEMATICS
ES138
(5#$#&-&$53*$"-4$)&."5*$ø
A
1
12 Vac Input
2
12 Vac Input
3
Tank Water Level Probe
4
Vdd +5Vdc
5
Not Used
6
Tank Temperature Sensor
7
Tank Temperature Sensor
8
Data_Communication Next
(Not Used)
9
Vss- (Logic_Common)
10
Not Used
11
Data_Communication First
12
Not Used
13
Not Used
14
UPM Ground
1
TX - Transmit
2
RX - Receive
3
Not Used
4
Vdd +5Vdc
5
Vss- (Logic_Common)
r
o
t
c
e
n
n
o
C
n
i
P
4
1
r
o
t
c
e
n
n
o
C
n
i
P
5
1
230Vac L1
2
230Vac L1
3
Brew Valve
4
Brew Valve
5
230Vac L2
6
Inlet Valve
7
Not Used
8
Not Used
9
Triac Gate
10
Triac A2
11
Not Used
12
Not Used
13
Dilution Valve Right
14
Not Used
15
Not Used
16
Not Used
17
230Vac (Internal Use Only)
18
Not Used
19
Current Sensor
20
Current Sensor
1
12 Vac Input (Back Light)
2
Vdd +5Vdc
3
Vss- (Logic_Common)
4
Not Used
5
12 Vac Input (Back Light)
6
Data_Communication First
7
Not Used
8
Not Used
1
Vss- (Logic_Common)
2
TX - Transmit
3
Vdd +5Vdc
4
RX - Receive
5
Not Used
6
Not Used
(UCM TOUCH SCREEN)
Pin Assignments
(USB) Pin Assignments
6-Pin Connector
(UPM) Pin Assignments
r
o
t
c
e
n
n
o
C
n
i
P
0
2
r
o
t
c
e
n
n
o
C
n
i
P
8
Model
Voltage
V
Amps
A
Wa
Ʃ
s
W
Hertz
Hz
# of
Conductor
Wires
Phase
# of Tank
Elements
Tank Element
Ra
Ɵ
ng
W/V
220
11.8
2600
230
12.4
2842
240
14.0
3100
ELECTRICAL RATING TABLE
G4TBA3x
G4CBA3x
V
0
2
2
/
W
0
0
5
2
1
0
6
/
0
5
2
1
G4 TEA BREWERS - 220-240 VOLT
