Bunn BrewWise DBC Service Manual page 48

Wire as shown for 3 phase. For single
phase operation, move red wire in
terminal block into cell with black wire;
apply power across L1 & N.
LIMIT THERMOSTAT #2 (1/2)
LIMIT THERMOSTAT #1 (1/2)
BLK-14
1
LEFT
FUNNEL SENSOR
VIO
WHI/VIO
RIGHT
FUNNEL SENSOR
YEL
WHI/YEL
WHI
PNK
BLK
TEMP PROBE
WATER LEVEL
PROBE
GRN
Switch Unit Assembly Codes
A1 Left Brew
C3
A2 Left On/Off
C4
A3 Right On/Off
C5
A4 Right Brew
C6
B1 "Hidden" Left
D1
B2 "Hidden" Right
D2
C1 Left Large Batch
D3
C2 Left Medium Batch
LED's
L1 Left Large Batch LED
L2 Left Medium Batch LED
L3 Left Small Batch LED
L4 Left On/Off LED
L5 Right On/Off LED
L6 Right Large Batch LED
L7 Right Medium Batch LED
L8 Right Small Batch LED
SCHEMATIC WIRING DIAGRAM
DUAL TF DBC, CE
L1 L2
TERMINAL BLOCK
L1 L2
GRN
EMI FILTER
L1 L2
BLK
BLU
BRN
LIMIT THERMOSTAT#3 (1/2)
1 2
1 2
2
SHIELD
1
J9-1
J9-5
CONTROL PC BOARD
J2-1
J2-5
J2-10
Left Small Batch
Right Large Batch
Right Medium Batch
Right Small Batch
"Digital" Left Hidden Button
"Brewer" Center Hidden Button
"Control" Right Hidden Button
3 PHASE W/NEUTRAL
L3 N
- LINE
L3 N
- LOAD
L3 N
RED
2.2uF
BLK RED
CONTACTOR
RED/BLK
BRN BRN
BLU BLU
BLK BLK
SWITCH UNIT ASSY
20
RED/BLK
VIO
WHI/ORA
WHI/GRN
ORA
J11-1
GRY
J11-5
BREWER
J11-10
YEL
BLK
RED
BRN/WHI
BRN/BLK
BLU
J11-18
BLU/BLK
400-415 VOLT A.C.
PHASE TO PHASE,
230 VOLTS AC
PHASE TO NEUTRAL
3 PHASE 50/60 HZ
34839.0003C 09/06 © 2005 Bunn-O-Matic Corporation
Page 48
3
HEATER
HEATER
#1
#2
1
3 4
3 4
LIMIT
LIMIT
#1
#2
1 2 1 2
TANK LID ASEMBLY
THERMOSTAT #3 (1/2)
RED
TANK HEATER #3 4 3
THERMOSTAT #2 (1/2)
RED
TANK HEATER #2 4
THERMOSTAT #1 (1/2)
RED
TANK HEATER #1 4
REFILL
SOL
SOL
L. BYPASS
SOL
R. BREW
SOL
L. BREW
SOL
RED RED
ON/OFF
SWITCH
N.C.
OVERFLOW
PROTECTION SWITCH
SOL
L. FUNNEL LOCK
SOL
R. FUNNEL LOCK
4
LIMIT
#3
2
HEATER
#3
RED
RED
RED
3
RED
3
RED
R. BYPASS
RED
RED
RED
RED
RED
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