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Bunn DUAL SH DBC

Bunn DUAL SH DBC
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DUAL
®
SH DBC
WITH SMART FUNNEL
®
INSTALLATION & OPERATING MANUAL
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
www.bunnomatic.com
29877.0002A 12/04 ©2004 Bunn-O-Matic Corporation
(Seattle's Best)

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Bunn DUAL SH DBC Specifications

General IconGeneral
CategoryCoffee Maker
ManufacturerBunn
ModelDUAL SH DBC
Coffee TypeGround Coffee
Voltage120V
MaterialStainless Steel
TypeCoffee Maker
FeaturesDual brewing, stainless steel

Summary

Installation and Operation Manual Overview

Bunn-O-Matic Commercial Product Warranty

Introduction to Brewer Functionality

Explains the brewer's programmability for various coffee flavors.

Safety and Operating Guidelines

General Safety Warnings

Provides critical hazard alerts and precautions for safe operation and handling.

Electrical and Plumbing Requirements

Electrical Connection Specifications

Details the required voltage, amperage, and wiring for electrical hook-up.

Water Supply and Connection Guidelines

Outlines water pressure, pipe size, and connection requirements for plumbing.

Operating Controls Overview

Control Panel Functions

Describes the purpose of each button, display, and sensor on the brewer's control panel.

Initial Setup and Basic Operation

Initial Setup Procedures

Step-by-step guide for connecting and preparing the brewer for first use.

Coffee Brewing Instructions

Details the process for brewing coffee, including filter and grounds preparation.

Cleaning and Maintenance Guide

Provides instructions for routine cleaning of the brewer and sprayhead.

Glossary of Brewing Terms

Brewer Programming Basics

Understanding Programming Switches

Identifies the five hidden switches used for accessing and navigating programming menus.

Recipe Programming Methods

Explains the three methods for programming coffee recipes: Smart Funnel, Recipe Card, or Manual.

Program Functions - Level 1

Brew Lockout Functionality

Configures the brewer to prevent brewing if water temperature is below the set ready temperature.

Program Functions - Level 2: Units and Recipes

Setting Measurement Units

Allows selection between English and Metric units for display readings, potentially erasing recipes.

Setting Up New Coffee Recipes

Guides the operator through setting brew volumes, bypass, pulse, preinfusion, and drip times for new coffee flavors.

Program Functions - Level 2: Recipe Modification

Reviewing and Modifying Recipes

Allows viewing and changing programmed brew settings for existing coffee flavors.

Adjusting Brew Volumes (Oz)

Details how to set or adjust the amount of coffee dispensed per batch.

Adjusting Bypass Percentages

Explains how to modify the percentage of water that bypasses coffee grounds for flavor tuning.

Program Functions - Level 2: Brew Cycle Parameters

Setting Pulse Brew Times

Configures the sprayhead flow to pulse on and off during brewing for flavor optimization.

Pulse Brew by Example Method

A method to set pulse brew times by observing water flow during brewing.

Pulse Brew by Entering Times Method

A method to set pulse brew times by manually entering specific durations.

Setting Preinfusion Times

Adjusts the initial water soaking time for coffee grounds before the main brew.

Setting Drip Times

Modifies the duration the funnel lock remains engaged after brew completion.

Program Functions - Level 2: Advanced Settings

Copying No-Name Coffee Settings

Transfers brew settings from one side of the brewer to the other for "no-name" coffee flavors.

Enabling or Disabling Advertising Messages

Controls whether advertising messages are displayed on the brewer when it is not in use.

Setting Brew Water Temperature

Adjusts the main brew water temperature in the tank, affecting coffee extraction.

Setting Ready Temperature

Configures the minimum temperature required for the brewer to indicate "READY TO BREW".

Adjusting Refill Circuit Sensitivity

Fine-tunes the water level sensor sensitivity to accommodate varying water conductivities.

Program Functions - Level 2: Flow Calibration and Detection

Sprayhead Flow Rate (Spray OzM)

Allows viewing and entering the actual flow rate of the sprayhead in ounces per minute.

Bypass Flow Rate (Bypass OzM)

Allows viewing and entering the actual flow rate of the bypass nozzle in ounces per minute.

Calibrating Sprayhead Flow

Procedure to measure and set the precise flow rate of the sprayhead for accurate brewing.

Calibrating Bypass Flow

Procedure to measure and set the precise flow rate of the bypass valve.

Brew Cycle Counters

Tracks and allows resetting of brew cycles completed on each side and total.

Funnel Detect Configuration

Prevents brewing if a Smart Funnel is not correctly positioned in the funnel rails.

Server Detect Configuration

Prevents brewing if a Soft Heat server is not correctly positioned on the brewer.

Service Tools and Factory Defaults

Testing Brewer Components (Outputs)

Guides testing of individual parts like brew valves, heaters, and solenoids.

Testing Front Panel Switches

Verifies the proper operation of all switches on the brewer's control panel.

Testing Server Presence and Coils

Checks server detection and the frequency of funnel sensor coils for diagnostics.

Resetting to Factory Defaults

Restores all recipes and settings to their original factory-set values.

Troubleshooting Guide

Troubleshooting Displayed Messages

Provides solutions for common error messages like "OVERFLOW CUP FULL" and "SERVER NOT IN PLACE".

Brewing Process Troubleshooting

Addresses issues like "NO FUNNEL PRESENT", "TEMPERATURE TOO LOW", and "BREW STOPPED!".

Heating and Water Supply Issues

Solves problems related to heating failures, long fill times, and water supply.

Steam, Noise, and Beverage Quality Issues

Diagnoses spitting, unusual noises, weak beverage, and inconsistent levels due to lime or component issues.

Schematic Wiring Diagram

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