Bunn S/N SNG0033000 & UP manual Cleaning

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CLEANING

1.The use of a damp cloth rinsed in any mild, nonabrasive, liquid detergent is recommended for cleaning all surfaces on Bunn-O-Matic equipment. Do NOT clean this equipment with a water jet device.

2.Check and clean each sprayhead. The sprayhead holes must always remain open.

NOTE: Any buildup on the sprayhead and fitting may restrict water flow, and impact your coffee brewing. For consistently great coffee, clean sprayhead and fittings weekly with sprayhead cleaning tool (#38227.0000). Upon visual inspection it may appear that light passes through all holes in the sprayhead plate, but a thin film of residue can pass light and still impede water flow.

3.Insert the long end of sprayhead cleaning tool into the sprayhead fitting, and rotate several times to remove any mineral deposits from the fitting.

4.Insert the short end of sprayhead cleaning tool into the bypass fitting, and rotate several times to remove any mineral deposits from the fitting.

5.Remove sprayhead from brewer. Disassemble by removing the seal.

6.Use the pointed end of sprayhead cleaning tool to remove any mineral deposits from the sprayhead holes.

7.Reassemble sprayhead and reattach. Sprayhead only needs to be hand tightened.

See page 34 of instruction manual for calibration routine to verify sprayhead flow rate matches programmed flow rate. Machine may need to be re-calibrated due to lime build up. If machine is cleaned and build up removed, machine must be re-calibrated to achieve desired volumes.

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Contents Single TF DBC Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty Table of Contents User Notices Electrical HOOK-UP Volt ac single phase Hz models37881.0002 Electrical Requirements Models without power cord 230 volt ac Single phase, 60 Hz modelsPlumbing Requirements CE RequirementsPlumbing HOOK-UP ON/OFF Switch Enable Brew Main ON/OFF SwitchBatch Selector Switches Brew SwitchInitial Setup Coffee BrewingCleaning Glossary Programming Switches ProgrammingProgramming Switch Recipes Program Functions LevelDRIP-OUT Times Continues to D LevelReturns to a Return to a Program Flow DiagramContinues to Programming the Brewer Units Setting Units of Measure Procedure for modifying units of measureSET NEW Recipe Procedure for Setting the RecipeThis function allows the operator to set Brew Sizes DONE? SET NEW RecipesRefer to SET Pulse Brew for description Procedure to program the coffee name Card Contains Recipe forReview RECIPES? Noyes Next Review RECIPES/MODIFY RECIPES/SET UP no Name Coffee NamesProcedure for reviewing recipes To exit, press Next until the display reads ThatBrew OZ Setting or Adjusting Brew VOL- Umes ScreenBypass Review RecipesSET Pulse Brew Modifying pulse brew Range 1st on time off to 4 minutesNO-NAME Modifyshownext SET Pulse BrewSET Pulse Brew Easy Pulse Setup TIMES? SET Pulse Brew Enter TimesDONE? SET Preinfusion Batches DONE?Setup Complete Assign Recipes Enable ADS?Assign Recipe ? SET Ready SET TempScreen Spray OZ/M Calibrate Flow Bypass OZ/MCalibrate Spray .. Press Brew to Start Calibrate Flow Procedures to calibrate the bypass flow rateStart Brew Counters Procedure to set funnel detectProcedures to view/reset the brew counters Funnel Detect optionalProcedure to test components outputs Service ToolsTesting individual components outputs Brew ValveNothing Pressed FrequencyFactory Defaults Procedure to set factory defaultsScreen Displayed TroubleshootingTroubleshooting Procedures Possible CauseTemperature Press ON/OFF to terminate the cycleTank Heater failure ON/OFF switch was pressed after the brew cycle was startedPress ON/OFF to terminate the brew cycle Triac FailureWater shut off to brewer Temperature Sensor ProbeWires shorted to housing, or to Broken or not making connectionBrew Valve Switch test procedures Equipment will not operate No power or incorrect voltageBrew switch Switch test procedures Data plate within +/- 10%With power removed from brewer Holding it in open state Troubleshooting Problem Possible CauseOverflow Protection Switch When this condition occurs, See above or boilingLimit Thermostat Heating Time TOO LongTroubleshooting Problem Improper water pressure Inconsistent beverage level StrainerServer Pointing towards the brewer 90 psi 138 and 620 kPaLevel in server Consistently high or low beverage Brew Volume adjustmentWater temperature For each brew cycleBrewer is making unusual noises Troubleshooting Problem Possible Cause Weak beverageRemove and clean lime off tank heaters Plumbing lines Water Supply Tank HeatersSchematic Wiring Diagram Single TF DBC Schematic Wiring Diagram Wire Single Phase Schematic Wiring Diagram Single TF DBC