Bunn DUAL - Schematic Wiring Diagrams; Dual Brewer Wiring Diagram (Two-Grinder Interface)

Page 45
120/208 VOLTS AC OR
120/240 VOLTS AC
3 WIRE
R
T
S
E
L
E
C
T
O
R
S
W
VIO
PROBE
PIN-20
1
4
3
2
LIQUID
LEVEL
BOARD
BLUBLK
K1
WHI
LIMIT THERMOSTAT
SOL
WHI
WHI
OVERFLOW
PROTECTION SW
RED RED
SW. & THERMOSTAT
READY INDICATORS
OPTIONAL
RECOVERY BOOSTER
BLKBLU
K2 N.O. K3 N.O.
RED
SCHEMATIC WIRING DIAGRAM DUAL BREWER
(W/TWO-GRINDER INTERFACE)
BLU
1/4 BATCH
1/3 BATCH
1/2 BATCH
2/3 BATCH
3/4 BATCH
BATCH COMMON
FRACTIONAL
BATCHES
(CONNECT
AS REQUIRED)
FULL BATCH
(NO CONNECTION)
TAN
GRY
PNK
GRINDER
INTERFACE
CONNECTOR
GRY
TAN
PNK
4
1
2
3
WHI/VIO
OPTIONAL 3-SET SELECTOR SWITCHES SHOWN
WITH TWO-GRINDER INTERFACE OPTION
FRACTIONAL
BATCHES
(CONNECT
AS REQUIRED)
FULL BATCH
(NO CONNECTION)
TAN
GRY
PNK
WHI/VIO
1/4 BATCH
1/3 BATCH
1/2 BATCH
2/3 BATCH
3/4 BATCH
BATCH COMMON
GRINDER
INTERFACE
CONNECTOR
GRY
TAN
PNK
4
1
2
3
L
T
S
E
L
E
C
T
O
R
S
W
WHI
WHI/ORA
WHI/VIO
WHI/GRN
WHI/YEL
WHI
WHI/RED
WHI/GRN
1
RIGHT
BREW
TIMER
3
2
4
5
SOL
WHI
ORA
WHI/RED
WHI/BRN
YEL
WHI
WHI/RED
WHI/GRN
SOL
WATER
BYPASS
WATER
BYPASS
1
LEFT
BREW
TIMER
3
2
4
5
LEFT SW.
RIGHT SW.
WHI/VIO
SOL
OPTIONAL
RECOVERY BOOSTER
WHI/RED
WHI/BRN
SOL
K2
OPTIONAL
RECOVERY BOOSTER
WHI/VIO
WHI/GRN
WHI/RED
WHI
WHI/VIO
BLK
WHI
L1
GRN
N
RED-12
BLK-12 BLK-12
K1
N.O.
RED-12
RED-12
TANK HEATERS (TWO)
K1
N.O.
BLK-12
BLK-12
L2
100W WARMER
(NOT AVAILABLE ON
DUAL-TF)
100W WARMER
(NOT AVAILABLE ON
DUAL-TF)
K3
START SW.
START SW.
27040 062200