Bunn Dual Operating & Service Manual page 50

SCHEMATIC WIRING DIAGRAM DUAL BREWER ECA
GRN
L1
LIMIT
THERMOSTAT
BLK-12 BLK-12
BLK-12
READY
L.E.D.
OVERFLOW
PROTECTION SW
BLK 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
T FRACTIONAL
BATCHES
(CONNECT
S
AS REQUIRED)
E
FULL BATCH
(NO CONNECTION)
L
E
C
T
O
WHI/VIO
R
S
W
(W/ONE-GRINDER INTERFACE)
TANK HEATERS (TWO)
W
H
I
PNK
GRY
INTERLOCK
ASSY
BRN/BLK
RED/BLK
ORA
WHI/ORA
RED
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
OPTIONAL RECOVERY BOOSTER
BLU-12
BLU-12
W
H
t°
I
7
6
TANK HEATER
SW
PNK
GRY
GRY
5
GRY
4
3
ELECTRONIC
2
CONTROL
1
ASSY
WHI/VIO
1
2
WHI/ORA
3
WHI/GRN
4
WHI/YEL
5
WHI/GRN
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 50
BLU-12 RED-12
K1 N.O.
BLU-12 WHI-12
TAN
BLU
WHI/BRN
PIN 20
(PROBE)
BLK
GRN
WHI/BLU
SOL
100W WARMER
(NOT AVAILABLE ON
DUAL-TF)
WHI/VIO
SOL
OPTIONAL
RECOVERY BOOSTER
WHI/VIO
WHI/GRN
WHI/RED
100W WARMER
(NOT AVAILABLE ON
DUAL-TF)
WHI/RED
SOL
OPTIONAL
RECOVERY BOOSTER
WHI/BRN
WHI/RED
K2 N.O.
L2 N
RED
WHI
WHI
WHI
K2
WHI
WHI
WHI
GRY
K1
27040 062200