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

Page 30

SCHEMATIC WIRING DIAGRAM ITB

L1 L2

SINGLE & DUAL DILUTION MODELS

AND MODELS w/OPTIONAL SWEETENER

WHI

BLK

WHI

TR-5 TR-2

TANK HEATER

RED

BLK

TR-6

#

LIMIT THERMOSTAT

/

TR-1

BLU/BLK

.

4

WHI/VIO

DILUTION (MAIN or LEFT)

WHI

2

J10-1

SOL

/

WHI/BLU

SOL

REFILL

WHI

,

WHI/GRN

SOL

DISPENSE

WHI

0

WHI/YEL

RIGHT DILUTION (DUAL DILUTION MODELS ONLY)

WHI

SOL

#

J10-5

WHI/RED

SOL

OPTIONAL SWEETENER

WHI

"

/

!

2

$

J10-10

J14-1

BLK

L-1

WHI

L-2

YEL

TRANSFORMER

12VAC

10VA

J14-5

YEL

J3-1

WHI

BLK

TEMP

PNK

PROBE

LEVEL

PROBE

J2-1

GRN

t

OPTIONAL LOW PRODUCT

DETECT SWITCH

ORN

WHI/ORN

J2-5

1

2

1. JUMPER FOR DUAL DILUTION MODELS ONLY

3

2. JUMPER FOR SWEETENER MODELS ONLY

J2-8

3. JUMPER FOR DUAL DILUTION MODELS w/SWEETENER ONLY

1

MEMBRANE SWITCH ASSY

J15-1

BREW

PROG L

A

J15-5

BREW

PROG R

C

J15-10

HALF

FULL

J15-15

BREW

ON/OFF

HALF

B

FULL

J15-20

ON/OFF

J15-22

STATIC

SHIELD

22

120V AC 2 WIRE + GROUND

SINGLE PHASE

42377.0000B 12/09 ©2009 BUNN-O-MATIC CORPORATION

30	42461 0911809

Image 30

Contents ITB/ITCB ICB/TWIN BUNN-O-MATIC Commercial Product Warranty Introduction Troubleshooting Control BoardsProbable Cause TroubleshootingRefill Circuit Problem RemedyHeating Circuit Problem Probable Cause Remedy Brewing Circuit Problem Probable Cause Remedy Troubleshooting Brewing Circuit Problem Probable Cause RemedyDiagnostics Message Probable Cause RemedyComponent Access ICB Component AccessControl Board Membrane Switch Membrane Switch ContinuityEarly Brew Valve Exploded ViewBrew Valve Late Models Late Model Brew ValveDisassembly Refill ValvesRefill Valves Early ICB Early ItcbTank Heaters ICB Twin Tank HeatersLimit Thermostat Limit ThermostatsTemperature Probe Testing Temperature ProbeCalibration Calibrate Temp ProbeVoltage Selector Switch Test ProcedurePower Switch Test Procedure Removal and ReplacementSchematic 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