Bunn 41722.0000A manual Contents

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	Contents
Trouble Shooting	4
Component Acess	10
Control Thermostat	10
Limit Thermostat	12
Tank Heater	13
Lighted ON/OFF Switch	14
Non Lighted ON/OFF Switch	15
Start Switches	16
Inlet Solenoids	17
Dual Timer (TB3/TB6)	18
Digital Timer (TB3Q/TB6Q)	20
Schematic Wiring Diagrams	22

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Contents Phone 217 529-6601 FAX 217 TB3/TB6 SeriesBUNN-O-MATIC Commercial Product Warranty Contents Probable Cause Remedy Brew cycle will not start No waterTo the brewer Control Thermostat Tank Heater ProblemBrew cycle will not start Water is not hot Probable CauseLeaks Inconsistent beverage levelSurfaces can initiate corrosive Reactions resulting in seriousRefer to Service Timer for test- ing procedures Spitting or excessive steaming Dripping from sprayheadBeverage overflows dispenser Dry coffee grounds remain Funnel Brewer is making unusal noisesPlumbing Lines Water Supply Problem Probable Cause Remedy Brewer is making unusal noises Tank HeaterCont Tank heater Component Access Control ThermostatLocation Control thermostat is located in the hood Adjust the control thermostat as required Disconnect the control thermostat wiresLimit Thermostat Remove all wires from limit thermostat termi- nalsDisconnect the brewer from the power supply Tank Heater1680W-120V 1680W-100V 1680W-230V 29.0 33.7 Lighted ON/OFF Switch TB3/TB3Q Refer to -2 when reconnecting the wiresOrange light If continuity is present as described, replace the wires Switch is located on the front control panelThrough four when the switch is in the oposite Position Switch37080.0001to T. Stat Start SwitchesInlet Valves BREW/DILUTION Timer TB3 & TB6 Triacs TH-1/MV-1 Brew solenoid TH-2/MV-2 Dilution solenoid BREW/DILUTION Timer TriacsDigital Brew Timer TB3Q & TB6Q Terminals ½ batch connectorWhite Red Neutral L2 Triacs MV-2 Brew solenoid output MV-1 Line Digital Timer TriacsVolts AC Wire Single Phase Schematic Wiring Diagram TB3QSchematic Wiring Diagram TB3, TB3B, TB3-LP Schematic Wiring Diagram TB3Q Schematic Wiring Diagram TB3Q W/SWEETENER & Empty BAG Detect Schematic Wiring Diagram TB6 Schematic Wiring Diagram TB6Q