Bunn Dual Operating & Service Manual page 49

SCHEMATIC WIRING DIAGRAM DUAL BREWER
L1
LIMIT THERMOSTAT
BLK-12 BLK-12
OVERFLOW
PROTECTION SW
BLK RED RED
BLK
OPTIONAL 3-SET SELECTOR SWITCHES SHOWN
WITH ONE-GRINDER INTERFACE OPTION
TAN
GRY
FRACTIONAL
BATCHES
(CONNECT
AS REQUIRED)
FULL BATCH
(NO CONNECTION)
R
T
WHI/VIO
S
E
L
E
C
GRY
T
O
PNK
R
TAN
S
W
GRY
PNK
TAN
TAN
GRY
L
FRACTIONAL
T
BATCHES
(CONNECT
S
AS REQUIRED)
E
FULL BATCH
(NO CONNECTION)
L
E
C
T
O
WHI/VIO
R
S
W
(W/ONE-GRINDER INTERFACE)
BLK-12
K1
TANK HEATERS (TWO)
BLK-12
N.O.
BLU
RECOVERY BOOSTER
BLU
K2 N.O.
1/4 BATCH
1/3 BATCH
RIGHT
1/2 BATCH
2/3 BATCH BREW
TIMER
3/4 BATCH
PNK
BATCH COMMON
WATER
BYPASS
SOL
GRINDER INTERFACE
RIGHT SW.
CONNECTOR
4
GRY
3
PNK
2
TAN
1
GRIND
SELECTOR
LEFT SW.
SW
1/4 BATCH
1/3 BATCH
LEFT
1/2 BATCH
2/3 BATCH
BREW
TIMER
3/4 BATCH
PNK
BATCH COMMON
WATER
BYPASS
SOL
120/208 VOLTS AC OR
120/240 VOLTS AC
RED-12
RED-12
READY INDICATORS
SW. & THERMOSTAT
OPTIONAL
RED BLK
K3 N.O.
WHI/VIO
1
2
WHI/ORA
3
WHI/GRN
4
WHI/YEL
5
WHI/GRN
WHI/RED
START SW.
WHI
WHI/VIO
START SW.
WHI/RED
1
2
ORA
3
WHI/BRN
4
YEL
5
WHI/GRN
WHI/RED
3 WIRE
Page 49
GRN
RED-12
K1
N.O.
K1
VIO
SOL
1
LIQUID
BLU
2
LEVEL
3
BOARD
PIN-20
4
PROBE
100W WARMER
(NOT AVAILABLE ON
DUAL-TF)
WHI/VIO
SOL
OPTIONAL
RECOVERY BOOSTER
WHI/VIO
WHI/GRN
100W WARMER
(NOT AVAILABLE ON
DUAL-TF)
WHI/RED
SOL OPTIONAL
RECOVERY BOOSTER
WHI/RED
WHI/BRN
L2 N
WHI
WHI
WHI
WHI
WHI
K2
WHI
WHI
WHI
K3
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