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Bunn Single TF DBC

Bunn Single TF DBC
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BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
www.bunnomatic.com
INSTALLATION & OPERATING MANUAL
35879.0001A 07/05 ©2005 Bunn-O-Matic Corporation
SINGLE TF
DBC
W/SMART FUNNEL
®
S/N SNG0033000 & UP

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Bunn Single TF DBC Specifications

General IconGeneral
CategoryCoffee Maker
WarmerYes
Voltage120V
MaterialStainless Steel
ColorBlack

Summary

BUNN Commercial Product Warranty

Warranty Coverage and Terms

Details warranty coverage, exclusions, and conditions for equipment defects, misuse, and alterations.

Exclusive Warranty and Liability Limitations

States warranty is exclusive, disclaims other warranties, and limits remedies to repair, replacement, or refund.

Introduction to Brewer System

Explains the brewer's wireless interface system and integration with the DBC Grinder for recipe programming.

Safety and Warning Labels

Hot Contents and Decanter Warnings

Warns that funnel contents are hot and advises discarding damaged decanters.

Electrical Safety Precautions

Warns against connecting to circuits over 150 volts to ground and emphasizes electrical safety.

Hot Liquid and Slow Funnel Removal

Warns about hot liquid and instructs to remove funnels slowly to prevent injury.

Electrical Requirements (Models with Power Cord)

120 V AC Single Phase Wiring

Details the wiring requirements for 120 volt AC single phase, 60 Hz models, including conductors and grounding.

120208240 V AC Single Phase Wiring

Outlines wiring for 120/208 and 120/240 volt AC single phase, 60 Hz models, specifying conductors and grounding.

Electrical Hook-Up Procedure

Provides step-by-step instructions for safe and correct electrical hook-up, including using an electrician and checking voltage.

Electrical Requirements (Models Without Power Cord)

200230 V AC Single Phase Wiring

Specifies wiring for 200 and 230 volt AC single phase, 60 Hz models, detailing conductors and grounding.

120208240 V AC Three Phase Wiring

Outlines wiring for 120/208 and 120/240 volt AC three phase, 50 Hz models, including conductors and grounding.

Electrical Hook-Up (No Cord)

Provides instructions for electrical hook-up for models without a power cord, emphasizing safety and correct connections.

Plumbing Requirements and Hook-Up

Water Supply Specifications

Specifies required water pressure (20-90 psi), supply line size (1/2" or larger), and installation of a shut-off valve and regulator.

Tubing and Installation Notes

Recommends copper tubing and advises against saddle valves due to potential water flow restriction.

Plumbing Hook-Up Procedure

Provides step-by-step instructions for connecting the water supply line, including flushing and turning on the supply.

Operating Controls Overview

Control Panel Component Functions

Identifies and describes the functions of the Batch Selector Switches, ON/OFF Switch, Brew Switch, ® Switch, and Function Screen.

Initial Setup Procedure

Water Tank Filling and Heating

Details connecting power, water filling process, and heating time until 'READY TO BREW' is displayed.

Final Setup Checks and Readiness

Covers flushing faucet, checking preset water volumes, and final readiness for brewing.

Coffee Brewing Process

Funnel Preparation and Batch Selection

Guides on inserting filters, adding grounds or using grinders, and selecting batch size via Smart Funnel or grinder.

Initiating and Monitoring a Brew Cycle

Explains placing servers, starting brew, troubleshooting brew start issues, and monitoring brew progress.

Brewer Cleaning Procedures

General Cleaning Recommendations

Recommends using mild detergent and a damp cloth, advising against high-pressure water devices.

Sprayhead and Fitting Maintenance

Details cleaning sprayheads and fittings using specialized tools to remove mineral deposits and reassembling the sprayhead.

Glossary of Brewing Terms

Brewer Programming Overview

Programming Functions and Customization

Explains how to alter brew temperatures, volumes, bypass percentages, and other parameters for precise coffee brewing.

Programming Switch Identification

Identifies the five hidden programming switches used for brewer setup and navigation through function screens.

Level 1 Programming: Brew Lockout

Brew Lockout Functionality

Allows preventing or allowing brewing based on water temperature relative to the set READY temperature.

Programming Brew Lockout

Details the procedure to access and set the Brew Lockout function using the ® symbol and selection buttons.

Programming Mode Navigation Notes

Provides notes on exiting programming mode using the ON/OFF switch and timeout behavior if no switches are pressed.

Level 2 Programming Methods

Method 1: Smart Funnel & Grinder

Describes using a Smart Funnel and grinder to transfer coffee names and batch sizes for setting brew parameters.

Method 2: Using a Recipe Card

Details using a Recipe Card to input all brew settings for a specific coffee flavor.

Method 3: No Smart FunnelGrinder

Explains entering brew parameters manually for a "NO NAME" coffee when not using a Smart Funnel or grinder.

Recipe Management Flowchart

Creating or Modifying Recipes

Guides the operator through creating, modifying, or viewing recipes based on coffee name or Recipe Card availability.

Program Flow Diagram: Level I

Brew Lockout Setup Flow

Illustrates the step-by-step process for setting the Brew Lockout function, including options for NO, DONE, and YES.

Program Flow Diagram: Level II

Initial Level II Navigation (Units)

Shows the initial steps in Level II programming, starting with setting the unit of measure (Metric or English).

Recipe and Setup Options Navigation

Covers options for setting new recipes, inserting funnels, quitting setup, and reviewing existing recipes.

Program Flow Diagram: Level II (Part C)

Brew Volume and Bypass Percentage Setup

Details the programming flow for setting bypass percentages and brew volumes across three batch sizes.

Pulse Brew and Brew Time Settings

Illustrates the steps for setting pulse brew options, brew time, and temperature settings.

Program Flow Diagram: Level II (Part E)

Calibration and Component Testing Paths

Outlines programming paths for flow calibration, brew counters, funnel detection, and service tools.

Brewer Type and Factory Default Reset

Shows how to select brewer type and access the factory defaults reset function.

Setting Units of Measure

Units Conversion Procedure

Explains how to set units to English or Metric, warning that this erases all stored recipes and setup information.

Units Change Confirmation

Details the confirmation step for changing units, which includes erasing stored recipes and setup data.

Setting New Recipe: Smart Funnel & Grinder

Recipe Setup Process Overview

Outlines the process for setting brew volumes, bypass, pulse, and drip times for a specific coffee name using a Smart Funnel and grinder.

Manual Recipe Input Steps

Provides step-by-step instructions for inserting the funnel, confirming the coffee name, and beginning the recipe setup.

Setting New Recipes: Brew Volumes and Bypass

Adjusting Brew Volume per Batch

Details how to set the brew water amount in ounces for each batch size and confirm completion.

Setting Bypass Percentages

Explains how to set the bypass water percentage for each batch size and confirm completion.

Setting New Recipe: Using a Recipe Card

Recipe Card Data Transfer

Guides on loading coffee names and brew settings from a Recipe Card into the brewer via the sensing coil.

Saving and Verifying Recipe Data

Explains how to save the transferred recipe data, verify its correctness, or quit if incorrect.

Setting New Recipe: No Smart Funnel or Grinder

NO NAME Coffee Setup Procedure

Explains how the brewer defaults to "NO NAME" settings and how to program these parameters.

Reviewing and Modifying Recipes

Viewing Brew Settings for Coffee Names

Describes how to view the brew settings for programmed coffee names, scrolling through each one.

Modifying Recipe Parameters

Explains how to modify brew volumes, bypass percentages, and pulse/drip times for specific coffee names.

Adjusting Brew Volumes (Brew Oz)

Modifying Brew Volume per Batch

Details the procedure to adjust brew volumes in ounces for each of the three batch sizes and confirm the settings.

Setting Bypass Percentages

Adjusting Bypass Water Flow

Explains how to adjust the percentage of water that bypasses coffee grounds for each batch size.

Setting Pulse Brew Parameters

Pulse Brew Timing Options

Describes the three timing components of pulse brewing (1st ON, OFF, LAST ON) and the two methods for setting them.

Pulse Brew Setup: Easy Pulse Method

Setting Brew Time with Easy Pulse

Guides setting the brew time for each batch size using the Easy Pulse method and confirms completion.

Pulse Brew Setup: Enter Times Method

Manually Entering Pulse Brew Times

Details manually entering specific times for 1st ON TIME, OFF TIMES, and LAST ON for pulse brewing.

Setting Preinfusion Parameters

Preinfusion Timing Configuration

Explains setting preinfusion times (1st ON, OFF, LAST ON set to 'Prel') for pulse brew functionality.

Setting Drip Time Parameters

Drip Time Configuration for Funnel Locks

Details setting drip times to manage funnel lock engagement and disengagement after brewing.

Assigning Recipes and Enabling Ads

Recipe Assignment to Brew Switch

Guides on assigning a specific coffee name recipe to the BREW switch for quick selection.

Advertising Display Configuration

Explains how to choose whether to display advertising messages on the brewer screen when idle.

Setting Brew Temperature

Brew Water Temperature Adjustment

Details adjusting brew water temperature considering altitude effects and within a specified range.

Setting Ready Temperature

Minimum Brew Start Temperature

Sets the minimum allowable temperature for starting a brew cycle, linked to brew lockout.

Adjusting Refill Circuit Sensitivity

Refill Sensitivity Calibration

Explains adjusting refill circuit sensitivity to compensate for varying water conductivity conditions.

Calibrating Flow Rates

Sprayhead Flow Rate Adjustment

Details how to view or enter the actual sprayhead flow rate in ounces per minute.

Bypass Flow Rate Adjustment

Details how to view or enter the actual bypass flow rate in ounces per minute.

Sprayhead Flow Calibration Procedure

Calibrating Sprayhead Water Dispensing

Guides on calibrating the sprayhead flow rate by measuring dispensed water over 60 seconds.

Bypass Flow Calibration Procedure

Calibrating Bypass Water Dispensing

Guides on calibrating the bypass flow rate by measuring dispensed water over 60 seconds.

Brew Counters Functionality

Viewing and Resetting Brew Cycles

Explains how to view the resettable and life brew counters and how to reset the resettable counter.

Funnel Detect Functionality

Setting Funnel Detection

Details how to enable or disable the function that prevents brewing if a Smart Funnel is not positioned correctly.

Service Tools: Component Testing

Testing Brewer Outputs (Valves, Heaters)

Provides instructions for testing individual components like brew valve, bypass valve, refill valve, and tank heaters.

Testing Brewer Switches

Details how to test the functionality of the brewer's front panel switches.

Service Tools: Switch and Coil Testing

Diagnosing Switch Functionality

Explains how to test each switch by observing the display response when the switch is pressed.

Testing Sensor Coil Circuits

Describes how to test the frequency of sensor coil circuits for diagnostic purposes.

Restoring Factory Defaults

Procedure to Reset Brewer Settings

Guides on erasing all custom recipes and settings to restore factory defaults, including brewer type selection.

Troubleshooting Common Issues

Overflow Cup and No Funnel Errors

Provides troubleshooting steps for "OVERFLOW CUP FULL" and "NO FUNNEL PRESENT" error messages.

Troubleshooting Temperature and Funnel Issues

Low Temperature and Funnel Removal Errors

Addresses "TEMPERATURE TOO LOW", "CHECK FUNNEL FOR FRESH COFFEE", and "BREW STOPPED! FUNNEL REMOVED?" scenarios.

Troubleshooting Brew Interruption and Heating

Brew Interruption and Heating Time Errors

Provides solutions for "BREW STOPPED! IS SWITCH OFF?", "HEATING TIME TOO LONG", and "CHECK HEATING CIRCUIT".

Troubleshooting Fill Time and Sensor Errors

Fill Time and Temperature Sensor Issues

Addresses "FILL TIME TOO LONG", "CHECK WATER SUPPLY", and "TEMP SENSOR OUT OF RANGE" errors.

Troubleshooting Equipment Operation

Equipment Not Operating or Starting

Provides troubleshooting steps for when the equipment will not operate or a brew cycle will not start.

Automatic Refill and Water Supply Issues

Addresses issues with automatic refill, fill time, and water supply problems.

Troubleshooting Refill and Overflow Issues

Refill, Overflow, and Control Board Issues

Addresses automatic refill failures, overflow cup conditions, and control board issues.

Troubleshooting Water Flow and Heating

Continuous Water Flow and Heating Problems

Addresses continuous water flow into the tank and issues where the water will not heat or heating takes too long.

Troubleshooting Heating and Steaming Issues

Heating, Triac, and Lime Buildup Issues

Addresses issues related to heating, triac failures, and lime buildup causing steaming.

Troubleshooting Beverage Level and Pressure

Beverage Level Consistency and Water Pressure

Addresses inconsistent beverage levels, improper water pressure, and brew/bypass valve issues.

Troubleshooting Beverage Quality and Filters

Beverage Level, Filter, and Coffee Issues

Addresses beverage level, filter type, coffee grind, sprayhead, funnel loading, and water temperature issues.

Troubleshooting Beverage Strength and Noises

Weak Beverage and Unusual Brewer Noises

Addresses weak beverage causes like incorrect recipes and unusual brewer noises from solenoids or plumbing.

Schematic Wiring Diagram: 120208240 V AC Single Phase

120208240 Volt AC Single Phase Wiring

Illustrates electrical connections for 120/208/240 volt AC single phase models, detailing components and wiring paths.

Schematic Wiring Diagram: 200230 V AC Single Phase

200230 Volt AC Single Phase Wiring

Presents electrical wiring diagram for 200/230 volt AC single phase models, showing component interconnections.

Schematic Wiring Diagram: 120 V AC Single Phase

120 Volt AC Single Phase, 60 Hz Wiring

Shows electrical wiring diagram for 120 volt AC single phase, 60 Hz models, detailing component connections.

Schematic Wiring Diagram: Multi-Voltage Single Phase

200208240 Volt AC Single Phase Wiring

Illustrates wiring diagram for 200, 208, or 240 volt AC single phase models, covering 50/60 Hz operation.

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