Bunn ITB/ITCB, ICB/TWIN manual Schematic Wiring Diagram ICB Twin

Page 27

SCHEMATIC WIRING DIAGRAM ICB TWIN

L1 L2 N

 

 

 

 

 

 

 

 

GRN

BLK

RED

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAIN ON/OFF SWITCH

 

 

 

 

 

 

 

 

 

 

 

(Late Models only)

 

 

 

 

 

 

 

 

 

 

 

BLK-18

 

 

 

 

 

 

 

 

 

 

 

BLK-14

 

 

 

 

 

 

 

 

 

LIMIT

 

 

 

 

 

 

 

 

 

 

 

THERMOSTAT

BLU-14

TANK HEATER

 

 

 

 

 

 

 

 

 

BLU-14

 

 

 

 

 

 

 

 

 

RED-14

 

 

 

 

 

 

 

LEFT

 

LIMIT

 

 

 

 

 

 

 

 

FUNNEL SENSOR

 

 

 

 

 

 

 

 

VIO

 

THERMOSTAT

 

 

 

 

 

 

J20-1

1

3

 

BLU-14

TANK HEATER

 

 

 

 

 

BLU-14

 

 

 

 

 

 

 

 

 

RED-14

 

 

 

 

J20-3

WHI/VIO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LEFT

 

 

 

 

 

 

 

RIGHT

 

 

 

 

 

 

 

 

 

 

 

 

 

BYPASS

 

 

WHI

 

 

YEL

FUNNEL SENSOR

 

 

SOL

 

 

 

J21-1

1

3

 

 

 

 

 

 

 

 

RIGHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

#

J21-3

WHI/YEL

 

 

 

DISPENSE

 

 

 

 

WHI

BLU-14

 

 

 

SOL

 

 

 

 

 

/

COM

 

 

 

 

 

 

 

 

 

.

BLK-14

 

 

 

 

 

LEFT

 

 

 

N.O.

 

 

 

 

 

 

 

 

4

WHI/RED

 

 

 

 

 

DISPENSE

 

 

WHI

2

J17-1

 

 

 

 

SOL

 

 

 

 

 

 

 

 

 

/

 

ORN

 

 

 

 

 

 

 

 

 

,

 

WHI/GRN

 

 

 

 

 

REFILL

 

 

WHI

0

 

 

 

 

 

 

 

 

 

#

 

WHI/BLU

 

 

 

 

 

SOL

 

 

 

J17-5

 

 

 

 

 

 

 

 

 

"

BLU

 

 

SOL

RIGHT

 

 

 

 

 

 

 

 

 

 

 

 

 

/

 

BLU/BLK

 

 

FUNNEL LOCK

 

 

 

 

 

 

 

 

 

 

RIGHT

 

 

 

!

 

BLK

 

 

 

(Optional)

 

 

 

WHI

2

 

 

 

 

 

SOL

BYPASS

 

 

$

J17-10

GRY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRN/BLK

 

 

 

SOL

 

LEFT

 

 

 

 

 

 

 

J17-14

 

 

BRN/WHI

 

 

 

 

FUNNEL LOCK

 

 

 

 

 

 

 

J15-1

 

 

 

 

 

 

 

 

 

(Optional)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRANSFORMER

10VA

J15-5

J13-1

WHI

 

 

 

 

BLK

 

 

 

 

 

LEVEL

 

 

 

 

 

 

 

 

 

 

PROBE

 

 

 

J3-1

PNK

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

t

 

 

 

J3-5

 

 

 

 

 

 

 

 

CONTROL PANEL ASSY

 

 

J3-8

 

1

 

RIGHT

RIGHT

 

 

 

J2-1

 

 

 

FULL

HALF

 

 

 

 

 

 

 

 

 

RIGHT

RIGHT

 

 

 

 

BREW

ON/OFF

J2-5

 

 

 

C

 

 

 

 

 

 

 

 

 

 

RIGHT

RIGHT

 

 

 

 

BREW

PROG

 

 

 

 

B

 

J2-10

 

 

 

PROG

RIGHT

 

 

 

 

“Control”

BREW

 

 

 

 

 

A

J2-15

 

 

LEFT

PROG

PROG

 

 

ON/OFF

“Digital”

“Brewer”

 

 

 

 

 

 

LEFT

 

 

 

 

 

FULL

LEFT

LEFT

 

 

 

 

BREW

PROG

J2-20

 

 

LEFT

C

 

 

 

HALF

 

 

 

 

 

 

LEFT

J2-22

 

 

 

LEFT

 

 

 

BREW

 

 

 

RIGHT

ON/OFF

 

 

22

B

J16-1

GRN

ON/OFF

 

 

 

WHI

 

 

 

 

 

MEMORY

RIGHT

 

LEFT

 

 

LEFT

 

 

BREW

 

RED

BOARD

FULL

FULL

 

A

J16-5

BLK

 

 

 

 

RIGHT

 

 

 

 

 

 

 

 

 

 

 

 

 

(Early Models only)

HALF

 

LEFT

 

 

 

 

HALF

 

 

 

 

 

120/208 OR 120/240

STATIC

VOLTS AC

SHIELD

 

3 WIRE + GND

 

SINGLE PHASE

 

37299.0001C 02/07 ©2005 BUNN-O-MATIC CORPORATION

27

42461 0911809

 

Image 27
Contents ITB/ITCB ICB/TWIN BUNN-O-MATIC Commercial Product Warranty Introduction Control Boards TroubleshootingRemedy TroubleshootingRefill Circuit Problem Probable CauseHeating Circuit Problem Probable Cause Remedy Brewing Circuit Problem Probable Cause Remedy Problem Probable Cause Remedy Troubleshooting Brewing CircuitMessage Probable Cause Remedy DiagnosticsICB Component Access Component AccessControl Board Membrane Switch Continuity Membrane SwitchExploded View Early Brew ValveLate Model Brew Valve Brew Valve Late ModelsRefill Valves DisassemblyEarly Itcb Refill Valves Early ICBICB Twin Tank Heaters Tank HeatersLimit Thermostats Limit ThermostatTesting Temperature Probe Temperature ProbeCalibrate Temp Probe CalibrationTest Procedure Voltage Selector SwitchTest Procedure Removal and Replacement Power SwitchSchematic Wiring Diagram iTCBA, iTCBB Schematic Wiring Diagram With Factory Sweetener Schematic Wiring Diagram ICB-DV Schematic Wiring Diagram ICB Twin Schematic Wiring Diagram iCBA, iCBB Schematic Wiring Diagram ICB Twin 230V Chassis Ground Term Schematic Wiring Diagram ITB