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Bunn Crescendo Series - User Manual

Bunn Crescendo Series
32 pages
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please visit the Bunn-O-Matic website, at www.bunn.com. This is absolutely FREE, and the quickest way to obtain the latest catalog
and manual updates. For Technical Service, contact Bunn-O-Matic Corporation at 1-800-286-6070.
52384.0001 D 04/19 © 2016 Bunn-O-Matic Corporation
Bunn-O-Matic Corporation
Post Office Box 3227, Springfield, Illinois 62708-3227
Phone (217) 529-6601 | Fax (217) 529-6644
www.bunn.com
INSTALLATION & OPERATING GUIDE
Crescendo
®
Bean to Cup Espresso System
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Bunn Crescendo Series Specifications

General IconGeneral
Beverage OptionsCoffee
GrinderNo
Voltage120 V
NSF ListedYes
MaterialStainless Steel
Phase1

Summary

Bunn-O-Matic Commercial Product Warranty

User Notices

Safety Warnings

Critical safety warnings regarding electrical hazards, hot liquids, and servicing.

Plumbing Installation Codes

Requirements for backflow prevention to comply with plumbing codes.

CE Requirements

North American Requirements

Initial Set-Up

Capacity

Electrical Requirements

Electrical Hook-Up Procedure

Instructions for connecting the appliance to the electrical power supply.

Plumbing Requirements

Plumbing Hook-Up Procedure

Steps for connecting the water supply line to the dispenser.

Initial Fill and Heat Procedure

Procedure for filling and heating the internal water tanks.

Tank Temperature Settings

Information on factory preset tank temperatures and adjustment recommendations.

Liquid Level Control System

Explanation of the automatic liquid level maintenance system.

Filling Soluble Hoppers

Operating Controls and Interface

Control Panel Layout

Description of cup size and dispense buttons, and LED indicators.

Dispensing Beverages

Step-by-step guide on how to dispense beverages using the control panel.

Modifying the Touch Switch Functions

Single Cup Dispensing Mode

Explanation of how to set the unit for single cup size dispensing.

Custom Beverage Creation

Guide to editing or creating custom beverage recipes.

Recipe Setup

Strength Adjustment

Door Safety Interlock

Through Counter Option

Through Counter Modifications

Steps for modifying the machine and countertop for waste disposal.

Energy Saver Mode

Activating Energy Saver Mode

Instructions on how to activate the energy saving features.

General Cleaning

Exterior Surface Cleaning

Guidelines for cleaning the external parts of the dispenser.

Daily Parts Cleaning

Procedures for daily cleaning of removable parts like the drip tray.

Weekly Parts Cleaning

Detailed instructions for weekly cleaning of internal components and hoppers.

Espresso Brew Chamber Cleaning

Daily Rinse Cycle Procedure

Weekly Clean Cycle Procedure

Weekly Parts Washing and Sanitizing

Cleaning Hopper Elbows

Steps for removing and cleaning hopper elbows and mixing chamber connections.

Cleaning Mixing Chambers and Frothers

Procedure for removing and cleaning mixing chambers and frother disks.

Cleaning Dispense Hoses

Instructions for removing and cleaning dispense hoses.

Parts Sanitization

Steps for preparing and using a sanitizing solution for parts.

Cleaning Dispense Nozzles

Instructions for cleaning the bore of dispense nozzles with a brush.

Brew Chamber Reassembly

Guidance on reassembling parts, aligning components correctly.

Preventive Maintenance

6-Month Preventive Maintenance Kit

Recommended parts and kit for 6-month preventive maintenance.

12-Month Preventive Maintenance Kit

Recommended parts and kit for 12-month preventive maintenance.

Adjustments

Espresso Shot Adjustment Variables

Primary variables for adjusting espresso shots, including particle size and dosage.

Setting Coffee Grind Size

Step-by-step procedure for adjusting the coffee grinder settings.

Brew;Pour Time Targets

Target brew/pour times for double and single shot espresso.

Grinder Particle Size Adjustment

Grinder Knob Adjustment

How to adjust particle size using the adjustment knob.

Grinder Screw Adjustment

How to adjust particle size using the adjustment screw with lock nut.

Resetting Grinder Screw to Factory

Procedure to reset the grinder adjustment screw to factory settings.

Grinder Throw Weight Adjustment

Draining the Hot Water Tanks

Cooling the Espresso Tank

Steps to cool the espresso tank before draining.

Draining the Soluble Tank

Procedure for draining water from the soluble tank.

Draining the Espresso Tank

Procedure for draining water from the espresso tank.

Electrical Schematic

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