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ELECTRICAL SCHEMATICS
SINGLE, DOMESTIC, DUAL VOLTAGE
UCM Pin Assignments
20 Pin Connector
1
GRINDER INTERLOCK
COMMON-SOLID STATE
2
RELAY & GRINDER
3
+5 VDC
4
BREW CONE LOCK
5
NOT USED
6
INLET VALVE
7
BYPASS VALVE
8
NOT USED
9
WARMER
10
NOT USED
11
NOT USED
12
NOT USED
13
TANK TEMPERATURE SENSOR
14
TANK TEMPERATURE SENSOR
15
UCM GROUND
16
WATER LEVEL PROBE
17
120V NEUTRAL
18
120V L1 HOT
19
BREW VALVE
20
NOT USED
ES33
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