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

Page 51

LIMIT THERMOSTAT

BLK-14 BLK-14

SCHEMATIC WIRING DIAGRAM

 

SINGLE TF DBC

GRN

 

MODELS WITH MAIN ON/OFF SWITCH ONLY

BLK-14

BLK-14

BLK-14

RED-14

RED-14

RED-14

 

TRIAC

 

TANK HEATER

MT2

MT 1

BLU-14

 

L1

N

L2

BLK

WHI

RED

 

WHI

 

 

 

 

SWITCH UNIT ASSEMBLY

 

 

 

 

 

 

 

 

REFILL

 

 

 

 

 

 

SOL

WHI

 

 

 

 

 

 

 

FUNNEL SENSOR

 

 

BYPASS

 

 

 

 

 

 

 

WHI

 

VIO

 

 

SOL

 

 

 

 

 

 

 

WHI/VIO

 

VIO

 

BREW

 

 

 

 

 

 

 

 

 

 

 

 

SOL

WHI

 

 

 

 

 

 

 

 

 

WHI/GRN

 

 

 

 

 

 

GRY

RED

RED

 

 

WHI

 

 

 

 

CONTROL PC BOARD

 

N.C.

 

 

 

TAN

 

 

PNK

 

 

OVERFLOW

 

 

 

YEL

 

 

 

 

PROTECTION SWITCH

 

 

BLK

 

BLK

 

 

 

 

 

 

 

TEMP PROBE

 

WHI

 

 

 

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

 

 

120/208 OR 120/240 VOLT A.C.

 

 

 

 

LED's

 

 

 

 

 

 

 

 

 

 

3 WIRE + GND

 

 

 

L1

Large Batch LED

 

 

 

 

 

 

 

SINGLE PHASE

 

 

 

L2

Medium Batch LED

 

 

 

 

 

L3

Small Batch LED

 

 

 

 

 

 

 

 

 

 

 

 

L4

On/Off LED

 

 

 

 

 

 

 

 

 

35726.0000B 02/07 © 2003 Bunn-O-Matic Corporation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Page 51

35879.1 062107

 

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Contents Phone 217 529-6601 FAX 217 Single TF DBCBUNN-O-MATIC Commercial Product Warranty Table of Contents User Notices Volt ac single phase Hz models Electrical HOOK-UP37881.0002 230 volt ac Single phase, 60 Hz models Electrical Requirements Models without power cordCE Requirements Plumbing RequirementsPlumbing HOOK-UP Brew Switch Main ON/OFF SwitchBatch Selector Switches ON/OFF Switch Enable BrewCoffee Brewing Initial SetupCleaning Glossary Programming Programming SwitchesProgramming Switch Program Functions Level RecipesDRIP-OUT Times Level Continues to DReturns to a Program Flow Diagram Return to aContinues to Programming the Brewer Procedure for modifying units of measure Units Setting 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 Card Contains Recipe for Procedure to program the coffee nameReview RECIPES? Noyes To exit, press Next until the display reads That Review RECIPES/MODIFY RECIPES/SET UP no Name Coffee NamesProcedure for reviewing recipes NextScreen 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 SET Pulse Brew Enter Times TIMES?DONE? Batches DONE? SET PreinfusionSetup 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 Funnel Detect optional Procedure to set funnel detectProcedures to view/reset the brew counters Brew CountersBrew Valve Service ToolsTesting individual components outputs Procedure to test components outputsFrequency Nothing PressedProcedure to set factory defaults Factory DefaultsPossible Cause TroubleshootingTroubleshooting Procedures Screen DisplayedPress ON/OFF to terminate the cycle TemperatureTriac Failure ON/OFF switch was pressed after the brew cycle was startedPress ON/OFF to terminate the brew cycle Tank Heater failureBroken or not making connection Temperature Sensor ProbeWires shorted to housing, or to Water shut off to brewerData plate within +/- 10% Equipment will not operate No power or incorrect voltageBrew switch Switch test procedures Brew Valve Switch test proceduresSee above or boiling Troubleshooting Problem Possible CauseOverflow Protection Switch When this condition occurs, With power removed from brewer Holding it in open stateHeating Time TOO Long Limit ThermostatTroubleshooting Problem 90 psi 138 and 620 kPa Inconsistent beverage level StrainerServer Pointing towards the brewer Improper water pressureFor each brew cycle Consistently high or low beverage Brew Volume adjustmentWater temperature Level in serverPlumbing lines Water Supply Tank Heaters Troubleshooting Problem Possible Cause Weak beverageRemove and clean lime off tank heaters Brewer is making unusual noisesSchematic Wiring Diagram Single TF DBC Schematic Wiring Diagram Wire Single Phase Schematic Wiring Diagram Single TF DBC
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