Bunn TU3Q service manual Volts AC, Wire

Page 27

SCHEMATIC WIRING DIAGRAM TU3Q

W/SWEETENER

 

 

(OPTIONAL)

 

 

 

 

 

 

READY INDICATOR

 

 

 

L1

 

BLU/BLK

BLK

 

GREEN

N

LIMIT

THERMOSTAT

 

 

 

 

 

 

 

THERMOSTAT

 

 

 

TANK HEATER

 

BLK

BLU/BLK

 

 

BLK

WHI

 

 

 

WHI

 

 

 

"KEEP WARM" HEATER

WHI

 

 

 

 

 

UNSWEET/OFF/SWEET

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BREW

 

BLK

WHI/VIO

 

 

SOL

WHI

 

 

WHI/VIO

START

 

1

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

2

 

 

 

 

BREW

WHI/ORA

 

 

 

 

3

 

 

 

 

TIMER

WHI/GRN

 

 

 

 

4

 

 

 

 

 

5

WHI/YEL

 

 

 

 

 

SWTNR

 

 

 

 

 

 

 

 

 

 

BRN/WHI

 

SOL

WHI/VIO

 

 

 

 

 

 

 

 

 

WHI/GRN

 

 

 

 

120 VOLTS AC

10287.0001C 03/04 © 2003 BUNN-O-MATIC CORPORATION

 

2 WIRE

SINGLE PHASE

 

 

 

 

 

Page 27

10288 031604

 

Image 27
Contents Phone 217 529-6601 FAX 217 TU3QContents BUNN-O-MATIC Commercial Product WarrantyIntroduction User Notices #00831.0000 #00656.0000#03408.0002 #03409.0002 #03408.0000 #03536.0000 #03409.0000 Electrical Requirements Plumbing RequirementsElectrical Hook-Up Auto Sweetener SET-UP Initial SET-UPAuto Sweetener SET-UP Adjusting Brew VolumesCleaning Auto Sweetener CleaningOperating Controls TEA Brewing Troubleshooting Problem Probable CauseRemedy Remedy TroubleshootingProblem Probable CauseProblem Probable Cause Dispenser Beverage overflows dispenser Brew TimerDripping from sprayhead Syphon System Lime Build-upProblem Probable Cause Remedy Component Access ServiceSolenoid valve ServiceTest Procedures Disconnect the brewer from the power source Brew Solenoid ValveWiring Diagram and check the wiring harness Brew Timer Early ModelsIf voltage is as described, proceed to #7 Service Digital Brew Timer Late ModelsDigital Timer Wiring Control Thermostat Control ThermostatLimit Thermostat Limit ThermostatOn the switch terminal ON/OFF SwitchRefer to when reconnecting the wires Location Switch terminalsStart Switch Start SwitchTank Heater Sweetener Solenoid Valve Optional OFF/SELECTOR Switch Volts AC 2 Wire Single Phase Schematic Wiring Diagram TU3QVolts AC Wire