Bunn DUAL - Dual Brewer ECA Wiring Diagram (Two-Grinder Interface)

Page 47
BLK-12
BLU-12
SCHEMATIC WIRING DIAGRAM DUAL BREWER ECA
(W/TWO-GRINDER INTERFACE)
R
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
L1
N
TANK HEATERS (TWO)
BLK
1
RIGHT
BREW
TIMER
3
2
4
5
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
GRINDER
INTERFACE
CONNECTOR
GRY
TAN
PNK
4
1
2
3
WHI/VIO
OPTIONAL 3-SET SELECTOR SWITCHES SHOWN
WITH TWO-GRINDER INTERFACE OPTION
SOL
L2
120/208 VOLTS AC OR
120/240 VOLTS AC
3 WIRE
WHI
ORA
START SW.
START SW.
WHI/RED
WHI/BRN
YEL
WHI
WHI/RED
WHI/GRN
SOL
WATER
BYPASS
WATER
BYPASS
1
LEFT
BREW
TIMER
3
2
4
5
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
LEFT SW.
RIGHT SW.
WHI/VIO
L
T
S
E
L
E
C
T
O
R
S
W
SOL
K1
OPTIONAL
RECOVERY BOOSTER
WHI/RED
WHI/BRN
SOL
K2
OPTIONAL
RECOVERY BOOSTER
WHI/VIO
WHI/GRN
GRY
K2 N.O.
WHI/RED
WHI
TANK HEATER
SW
WHI
GRY
GRY
ELECTRONIC
CONTROL
ASSY
1
2
5
4
7
6
3
W
H
I
W
H
I
t°
TAN
BLU
WHI/BRN
PIN 20
(PROBE)
RED
SOL
GRN
WHI/BLU
INTERLOCK
ASSY
PNK
GRY
LIMIT
THERMOSTAT
WHI-12
BLK-12
BLU-12BLK-12
BLU-12
K1 N.O.
RED RED
READY
L.E.D.
PNK
GRY
BLK
BLK
BLU-12
RED-12
OPTIONAL RECOVERY BOOSTER
BRN/BLK
RED/BLK
WHI/ORA
ORA
WHI/VIO
WHI
100W WARMER
(NOT AVAILABLE ON
DUAL-TF)
100W WARMER
(NOT AVAILABLE ON
DUAL-TF)
GRN
OVERFLOW
PROTECTION SW
27040 041100