Bunn S/N SNG0033000 & UP manual Schematic Wiring Diagram

Page 52

L1

SCHEMATIC WIRING DIAGRAM

L2

 

SINGLE TF DBC

 

BLK-14

BLK-14

LIMIT THERMOSTAT

BLK-14 BLK-14

RED-14

RED-14

GRN

 

TRIAC

 

TANK HEATER

 

MT2

MT 1

BLU-14

RED-14

 

 

 

 

SWITCH UNIT ASSEMBLY

 

 

 

 

 

 

 

 

REFILL

 

 

 

 

 

 

SOL

RED

 

 

 

 

 

 

 

 

 

 

BYPASS

 

 

 

FUNNEL SENSOR

 

 

SOL

 

RED

 

VIO

 

 

 

 

 

 

 

 

 

 

 

WHI/VIO

 

VIO

 

BREW

 

 

 

 

 

 

 

 

 

 

 

 

SOL

RED

 

 

 

 

 

 

 

 

 

WHI/GRN

 

 

 

 

 

 

GRY

RED

RED

 

 

WHI

 

 

 

 

CONTROL PC BOARD

 

N.C.

 

 

 

TAN

 

 

PNK

 

 

OVERFLOW

 

 

 

YEL

 

 

 

 

PROTECTION SWITCH

 

 

BLK

 

BLK

 

 

 

 

 

 

 

TEMP PROBE

 

RED

 

 

 

WATER LEVEL

 

BRN/WHI

 

 

 

PROBE

GRN

 

BRN/BLK

 

 

 

 

 

 

 

SOL

 

 

 

 

 

 

FUNNEL LOCK

 

 

Switch Unit Assembly Codes

A1

Brew

C2

Medium Batch

A2

On/Off

C3

Small Batch

B1

"Hidden" Left

D1

"Digital" Left Hidden Button

B2

"Hidden" Right

D2

"Brewer" Center Hidden Button

C1

Large Batch

D3

"Control" Right Hidden Button

 

LED's

L1

Large Batch LED

L2

Medium Batch LED

L3

Small Batch LED

L4

On/Off LED

230 OR 200

VOLT A.C.

SINGLE PHASE

36883.0000A 05/04 © 2004 Bunn-O-Matic Corporation

Page 52

35879.1 071405

 

Page 51 Page 53
Image 52
Page 51 Page 53
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 Main ON/OFF Switch Batch Selector SwitchesON/OFF Switch Enable Brew 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 Review RECIPES/MODIFY RECIPES/SET UP no Name Coffee Names Procedure for reviewing recipesNext 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 Procedure to set funnel detect Procedures to view/reset the brew countersBrew Counters Funnel Detect optionalService Tools Testing individual components outputsProcedure to test components outputs Brew ValveNothing Pressed FrequencyFactory Defaults Procedure to set factory defaultsTroubleshooting Troubleshooting ProceduresScreen Displayed Possible CauseTemperature Press ON/OFF to terminate the cycleON/OFF switch was pressed after the brew cycle was started Press ON/OFF to terminate the brew cycleTank Heater failure Triac FailureTemperature Sensor Probe Wires shorted to housing, or toWater shut off to brewer Broken or not making connectionEquipment will not operate No power or incorrect voltage Brew switch Switch test proceduresBrew Valve Switch test procedures Data plate within +/- 10%Troubleshooting Problem Possible Cause Overflow Protection Switch When this condition occurs,With power removed from brewer Holding it in open state See above or boilingLimit Thermostat Heating Time TOO LongTroubleshooting Problem Inconsistent beverage level Strainer Server Pointing towards the brewerImproper water pressure 90 psi 138 and 620 kPaConsistently high or low beverage Brew Volume adjustment Water temperatureLevel in server For each brew cycleTroubleshooting Problem Possible Cause Weak beverage Remove and clean lime off tank heatersBrewer 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
Top Page Image Contents