Bunn S/N SNG0033000 & UP manual Electrical HOOK-UP, 37881.0002, Volt ac single phase Hz models

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USER NOTICES (cont.)

To reduce the risk of electric shock, do not remove or open cover.

No user-serviceable parts inside.

Authorized service personnel only. Disconnect power before servicing.

37881.0002

ELECTRICAL REQUIREMENTS (Models with power cord)

WARNING - The brewer must be disconnected from the power source until specified in Initial Set-Up.

Refer to Data Plate on the Brewer, and local/national electrical codes to determine circuit requirements.

	WHITE	WHITE	N
	NEUTRAL	NEUTRAL	N
	NEUTRAL	NEUTRAL
	L1 BLACK	L1 BLACK	L1
			L1
	GREEN	GREEN G

120 volt ac single phase,

60 Hz models

Note: This electrical service consists of 2 current carrying conductors (Neutral and L1) and a separate conductor for earth ground.

	L2 RED	L2 RED	L2
			L2
	WHITE	WHITE	N
	NEUTRAL	NEUTRAL	N
	NEUTRAL	NEUTRAL
	L1 BLACK	L1 BLACK	L1
			L1
	GREEN	GREEN	G

120/208 and 120/240 volt ac single phase, 60 Hz models

Note: This electrical service consists of 3 current carrying conductors (Neutral, L1 and L2) and a separate conductor for earth ground.

ELECTRICAL HOOK-UP

WARNING – If the power cord is ever damaged, it must be replaced by the manufacturer or authorized service personel with a special cord available from the manufacturer or its authorized service personel in order to avoid a hazard. Improper electrical installation will damage electronic components. Damage caused by incorrect electrical connections is not covered by warranty.

1.An electrician must provide electrical service.

2.Using a voltmeter, check the voltage and color coding of each conductor at the electrical source.

NOTE - The brewer is shipped without a plug on the power cord. Qualified service personnel must select and install the proper UL listed grounding type attachment plug specified on the rear of the brewer.

3.Install the specified plug on the attached power cord.

4.Remove the front panel beneath the sprayheads to gain access to the terminal block.

5.Connect the brewer to the power source and verify the voltage at the terminal block before proceeding.

6.If plumbing is to be hooked up later be sure the brewer is disconnected from the power source. If plumb- ing has been hooked up, the brewer is ready for Initial Set-Up.

WARNING – Electrical connections must be made as specified above. Failure to follow these instructions can result in personal injury, property or equipment damage.

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Contents Phone 217 529-6601 FAX 217 Single TF DBCBUNN-O-MATIC Commercial Product Warranty Table of Contents User Notices 37881.0002 Volt ac single phase Hz modelsElectrical HOOK-UP 230 volt ac Single phase, 60 Hz models Electrical Requirements Models without power cordPlumbing HOOK-UP CE RequirementsPlumbing Requirements Batch Selector Switches Main ON/OFF SwitchON/OFF Switch Enable Brew Brew SwitchCoffee Brewing Initial SetupCleaning Glossary Programming Programming SwitchesProgramming Switch DRIP-OUT Times Program Functions LevelRecipes Returns to a LevelContinues to D Continues to Program Flow DiagramReturn to a Programming the Brewer Procedure for modifying units of measure Units Setting Units of MeasureThis function allows the operator to set Brew Procedure for Setting the RecipeSET NEW Recipe Refer to SET Pulse Brew for description SET NEW RecipesSizes DONE? Card Contains Recipe for Procedure to program the coffee nameReview RECIPES? Noyes Procedure for reviewing recipes Review RECIPES/MODIFY RECIPES/SET UP no Name Coffee NamesNext To exit, press Next until the display reads ThatScreen Brew OZ Setting or Adjusting Brew VOL- UmesReview Recipes BypassModifying pulse brew Range 1st on time off to 4 minutes SET Pulse BrewSET Pulse Brew NO-NAME ModifyshownextSET Pulse Brew Easy Pulse Setup DONE? SET Pulse Brew Enter TimesTIMES? Batches DONE? SET PreinfusionSetup Complete Assign Recipe ? Enable ADS?Assign Recipes Screen Spray OZ/M SET TempSET Ready Calibrate Spray .. Press Brew to Start Bypass OZ/MCalibrate Flow Start Procedures to calibrate the bypass flow rateCalibrate Flow Procedures to view/reset the brew counters Procedure to set funnel detectBrew Counters Funnel Detect optionalTesting individual components outputs Service ToolsProcedure to test components outputs Brew ValveFrequency Nothing PressedProcedure to set factory defaults Factory DefaultsTroubleshooting Procedures TroubleshootingScreen Displayed Possible CausePress ON/OFF to terminate the cycle TemperaturePress ON/OFF to terminate the brew cycle ON/OFF switch was pressed after the brew cycle was startedTank Heater failure Triac FailureWires shorted to housing, or to Temperature Sensor ProbeWater shut off to brewer Broken or not making connectionBrew switch Switch test procedures Equipment will not operate No power or incorrect voltageBrew Valve Switch test procedures Data plate within +/- 10%Overflow Protection Switch When this condition occurs, Troubleshooting Problem Possible CauseWith power removed from brewer Holding it in open state See above or boilingHeating Time TOO Long Limit ThermostatTroubleshooting Problem Server Pointing towards the brewer Inconsistent beverage level StrainerImproper water pressure 90 psi 138 and 620 kPaWater temperature Consistently high or low beverage Brew Volume adjustmentLevel in server For each brew cycleRemove and clean lime off tank heaters Troubleshooting Problem Possible Cause Weak beverageBrewer is making unusual noises Plumbing lines Water Supply Tank HeatersSchematic Wiring Diagram Single TF DBC Schematic Wiring Diagram Wire Single Phase Schematic Wiring Diagram Single TF DBC