Bunn MHG Service & Repair Manual page 73

WIRING DIAGRAMS
L1
BLK
230 VOLTS AC
2 WIRE + GND
SINGLE PHASE
50 HZ
10187-0000C 02/08© 1987 BUNN-O-MATIC CORPORATION
LOAD
TRANSDUCER
120 VOLTS AC
2 WIRE
SINGLE PHASE
60 HZ
41449.0000A 11/09 © 2009 BUNN-O-MATIC CORPORATION
SCHEMATIC WIRING DIAGRAM G9A HD
OPTIONAL POWER
INDICATOR LIGHT
RED/BLK
WHI/RED
WHI/RED
WHI/YEL
WHI/ORA
1 2 3 4
TIMER
SCHEMATIC WIRING DIAGRAM G9WD-RH
L1
BLK
T1
BUTTON
BUTTON
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"
D1 "DIGITAL' LEFT HIDDEN BUTTON
D2 "BREWER" CENTER HIDDEN
D3 "CONTROL" RIGHT HIDDEN
WHI/RED
WHI/RED
WHI/GRN
K1
5
GRN
BLK BLK
K1 N.O.
BLK WHT
1 2
K1
VIO
LINE
LOAD
4 5
J1
1 4
J7
BLK
1
GRN
CONTROL CIRCUIT BOARD
WHT
RED
4
1
J13
73
White Strip-Tac Plus
Black Ink
GREEN
WHI/BLU
M
L1
K1 N.O.
N
M
WHT
L1 L2
BrewWISE Models only
FUNNEL
SENSOR
VIO
J12
1 5 9
5 10 16
L2
RED/BLK
RED/BLK
L2
41545 072710