Bunn service manual Schematic Wiring Diagram TU3Q, Volts AC 2 Wire Single Phase

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SCHEMATIC WIRING DIAGRAM TU3Q

		(OPTIONAL)
		READY INDICATOR			GREEN
		BLU/BLK	BLK
L1
LIMIT		SW. & THERMOSTAT
THERMOSTAT		SW. & THERMOSTAT
THERMOSTAT				BLK	TANK HEATER
BLK				BLK	TANK HEATER
	BLU/BLK

N

WHI

WHI

BLK

				WHI
SW1			"KEEP WARM HEATER"	WHI
				WHI
		WHI/VIO	SOL	WHI
			SOL
	1	WHI/VIO		SW2
		WHI/VIO
		WHI
BREW	2	WHI
	2	WHI/ORA
	3	WHI/ORA
TIMER	3	WHI/GRN
TIMER	4	WHI/GRN
	4	WHI/YEL
	5	WHI/YEL
	5

120 VOLTS AC 2 WIRE

100 VOLTS AC 2 WIRE

SINGLE PHASE

10287.0000C 10/03 © 1993 BUNN-O-MATIC CORPORATION

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Contents TU3Q Phone 217 529-6601 FAX 217Introduction ContentsBUNN-O-MATIC Commercial Product Warranty #03408.0002 #03409.0002 #03408.0000 #03536.0000 #03409.0000 User Notices#00831.0000 #00656.0000 Electrical Hook-Up Electrical RequirementsPlumbing Requirements Initial SET-UP Auto Sweetener SET-UPAdjusting Brew Volumes Auto Sweetener SET-UPOperating Controls CleaningAuto Sweetener Cleaning TEA Brewing Remedy TroubleshootingProblem Probable Cause Probable Cause TroubleshootingProblem RemedyProblem Probable Cause Syphon System Lime Build-up Beverage overflows dispenser Brew TimerDripping from sprayhead DispenserProblem Probable Cause Remedy Service Component AccessBrew Solenoid Valve ServiceTest Procedures Disconnect the brewer from the power source Solenoid valveBrew Timer Early Models Wiring Diagram and check the wiring harnessService Digital Brew Timer Late Models If voltage is as described, proceed to #7Digital Timer Wiring Control Thermostat Control ThermostatLimit Thermostat Limit ThermostatSwitch terminals ON/OFF SwitchRefer to when reconnecting the wires Location On the switch terminalStart Switch Start SwitchTank Heater Sweetener Solenoid Valve Optional OFF/SELECTOR Switch Schematic Wiring Diagram TU3Q Volts AC 2 Wire Single PhaseWire Volts AC