Bunn S/N SNG0033000 & UP manual Schematic Wiring Diagram Single TF DBC

Page 54

L1 L2

GRN

BLK

RED

 

MAIN ON/OFF SWITCH

 

(Late Models only)

RED-14

 

RED-14

BLK-14

 

BLK-14

LIMIT THERMOSTAT

BLK-14 BLK-14

SCHEMATIC WIRING DIAGRAM

SINGLE TF DBC

RED-14

BLK-14

 

TRIAC

 

TANK HEATER

 

MT2

MT 1

BLU-14

RED-14

 

 

 

 

SWITCH UNIT ASSEMBLY

 

 

 

 

 

 

 

 

REFILL

 

 

 

 

 

 

SOL

RED

 

 

 

 

 

 

 

FUNNEL SENSOR

 

 

BYPASS

 

 

 

 

 

 

 

RED

 

VIO

 

 

SOL

 

 

 

 

 

 

 

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

200,208 or 240 VOLT A.C.

2 WIRE + GND

SINGLE PHASE 50/60HZ

36883.0001B 02/07 © 2004 Bunn-O-Matic Corporation

Page 54

35879.1 062107

 

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Contents Single TF DBC Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty Table of Contents User Notices Volt ac single phase Hz models Electrical HOOK-UP37881.0002 Electrical Requirements Models without power cord 230 volt ac Single phase, 60 Hz modelsCE Requirements Plumbing RequirementsPlumbing HOOK-UP ON/OFF Switch Enable Brew Main ON/OFF SwitchBatch Selector Switches Brew SwitchInitial Setup Coffee BrewingCleaning Glossary Programming Switches ProgrammingProgramming Switch Program Functions Level RecipesDRIP-OUT Times Level Continues to DReturns to a Program Flow Diagram Return to aContinues to Programming the Brewer Units Setting Units of Measure Procedure for modifying units of measureProcedure for Setting the Recipe SET NEW RecipeThis function allows the operator to set Brew SET NEW Recipes Sizes DONE?Refer 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 SET Pulse Brew Enter Times TIMES?DONE? SET Preinfusion Batches DONE?Setup Complete Enable ADS? Assign RecipesAssign Recipe ? SET Temp SET ReadyScreen Spray OZ/M Bypass OZ/M Calibrate FlowCalibrate Spray .. Press Brew to Start Procedures to calibrate the bypass flow rate Calibrate FlowStart 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
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