Bunn BrewWise DBC Service Manual page 43

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.
FUNNEL SENSOR
VIO
WHI/VIO
WHI
PNK
BLK
TEMP PROBE
WATER LEVEL
PROBE
GRN
Switch Unit Assembly Codes
A1 Brew C2
A2 On/Off C3
B1 "Hidden" Left D1
B2 "Hidden" Right D2
C1 Large Batch D3
LED's
L1 Large Batch LED
L2 Medium Batch LED
L3 Small Batch LED
L4 On/Off LED
SCHEMATIC WIRING DIAGRAM
SINGLE TF DBC, CE
L1 L2 L3
TERMINAL BLOCK
L1 L2 L3
GRN
EMI FILTER
L1 L2 L3
BLK
BLU
BRN
1 2
LIMIT THERMOSTAT (1/2)
CONTROL PC BOARD
Medium Batch
Small Batch
"Digital" Left Hidden Button
"Brewer" Center Hidden Button
"Control" Right Hidden Button
Page 43
3 PHASE W/NEUTRAL
N
- LINE
N
- LOAD
N
RED
2.2uF
BLK RED
CONTACTOR
RED/BLK RED
BRN BRN
BLU BLU
BLK
BLK-14
SWITCH UNIT ASSEMBLY
RED/BLK
VIO
WHI/GRN
GRY
YEL
BLK
RED
BRN/WHI
BRN/BLK
400-415 VOLT A.C.
PHASE TO PHASE,
230 VOLTS AC
PHASE TO NEUTRAL
3 PHASE 50/60 HZ
36883.0003A 02/07 © 2007 Bunn-O-Matic Corporation
HEATER
HEATER
#1
#2
1 3
2
4
HEATER
LIMIT
#3
TANK LID ASEMBLY
4 3
THERMOSTAT (1/2)
TANK HEATER #3
TANK HEATER #2
TANK HEATER #1
REFILL
SOL
BYPASS
SOL
BREW
SOL
BREWER
RED RED
ON/OFF
SWITCH
N.C.
OVERFLOW
PROTECTION SWITCH
SOL
FUNNEL LOCK
RED
RED
RED
RED
RED
RED
RED
41746 112008