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SCHEMATIC WIRING DIAGRAM MHG
N
B
L
K
W
H
I
L1
RIGHT GATE
LEFT HOPPER SENSOR
LIMIT
THERMOSTAT
LIMIT
THERMOSTAT
WHI/YEL WHI/YEL
WHI/GRN
WHI/ORN WHI/ORN
YEL
ORN
YEL
ORN
BLK
WHI WHI
WHI
WHI
J5-5
J5-1
J12-1
J9-10
J9-5
J9-1
CONTROL PC BOARD
DISPLAY BOARD
RELAY
LEFT GATE
RIGHT HOPPER SENSOR
16
1
STATIC SHIELD
SWITCH UNIT ASSY
A2
C5
C6
C4
B2
B1
D3
D2
D1
C3
C2
C1
A1
GRINDER MOTOR
WHI
BLK
WHI/BLU
RELAY
CONTACTS
36399.0000D 08/05 © 2003 Bunn-O-Matic Corporation
100 VOLTS AC,
120 VOLTS AC,
240 VOLTS AC
2 WIRE
SINGLE PHASE
50/60 HZ
Switch Unit Assembly Codes
A1 Grind
A2 Stop
B1 Hidden Button "Left"
B2 Hidden Button "Right"
C1 Large Batch Size "Left"
C2 Medium Batch Size "Left"
C3 Small Batch Size "Left"
C4 Large Batch Size "Right"
C5 Medium Batch Size "Right"
C6 Small Batch Size "Right"
D1 "Digital" Left Hidden Button
D2 "Brewer" Center Hidden Button
D3 "Control" Right Hidden Button
FUNNEL SENSOR
VIO
VIO
J10-4
J10-1
J8-4
J8-1
ORN
YEL
GRN
BLU
SOL
SOL
COIL
M
GRN
GRN
GRN
J16-5
J16-1
MEMORY
BOARD
RED
WHI
GRN
BLK
P1
P2
P3
P4
P1, P2, P3 & P4 ARE
PINS OF A POLARIZED
FOUR-PIN CONNECTOR
WIRING DIAGRAMS
41545 122209