Manuals / Bunn / Kitchen Appliance / Coffeemaker

Bunn 34766.0000S manual Introduction, Contents

Models: 34766.0000S

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CONTENTS

Warranty	2
Introduction	3
User Notices	4
Electrical Requirements	5
CE Requirements	5
Plumbing Requirements	6
Initial Set-up	6
Electrical Hook-up	6
Plumbing Hook-up	6
Setting Dispenser Flow Rate	7
Selecting the Correct Pump Tubing	8
Operating Controls & Interface	9
Initial Fill & Heat	10
FlavorGard™ Feature	11
Rinse Alarm Feature	11
BIB Empty Lockout Feature	12

Brew Temperature Lockout Feature	12
Programming the Dispenser Flow Rate	13
Loading the Concentrate	19
Priming the Concentrate Lines	19
Operating the Pull & Hold Dispenser	20
Operating the Preset Portion Control Dispenser	21
Filling Cambros or other large containers	21
Cleaning & Preventive Maintenance	22
Replacing the Pump Tubing	23
Draining the Hot Water	24
Troubleshooting	25
Field Calibration of the Concentrate Pumps	30
Dispenser Flow Rate Calibration	31
Field Calibrating the Hot Water Flow Rate	31
Field Calibrating the Empty BIB Warning	32
Schematic Wiring Diagrams	33

INTRODUCTION

The Liquid Coffee Ambient Dispenser (LCA-2) and the Liquid Coffee Chilled Dispenser (LCC-2) delivers two types of coffee made from liquid concentrate plus hot water. The dispenser can be set up for continuous draw (by the cup) for self-serve applications, or portion-control to fill carafes and decanters for wait staff. Follow the Concentrate Manufacturer’s Storage and Shelf Life recommendations. Product Flavor Profile is extended with chilled product storage cabinet featured in the LCC-2.

This dispenser is designed to operate when ambient temperatures are from 32°F (0°C) minimum to 104°F (40°C) maximum.

3	34766 030508

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Bunn 34766.0000S manual Introduction, Contents

Contents

34766.0000S 06/11 2002 Bunn-O-Matic Corporation INSTALLATION & OPERATING GUIDELCA-2 LCA-2A LCA-2 PC LCC-2 BUNN-O-MATIC CORPORATIONBUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY INTRODUCTION CONTENTSCLEAN WEEKLY USER NOTICESCLEAN AIR FILTER Optional Field WiringELECTRICAL REQUIREMENTS FIELD WIRING TERMINAL BLOCK DIAGRAMModels without Master ON/OFF Switch FIELD WIRING TERMINAL BLOCK DIAGRAM Models with Master ON/OFF SwitchPLUMBING HOOK-UP PLUMBING REQUIREMENTSINITIAL SET-UP ELECTRICAL HOOK-UPSETTING DISPENSER FLOW RATE Removing the restrictorsReprogramming the Dispenser Flow Rate 1.8 Oz/sec SELECTING THE CORRECT PUMP TUBINGDispense RateOPERATING CONTROLS AND INTERFACE Operations INITIAL FILL & HEATFlavorGard Feature Rinse Alarm FeatureAlarm Mode Brew Temperature Lockout Feature BIB Empty Lockout FeatureDESCRIPTION PROGRAMMING THE DISPENSERMENU SCREEN ACTIONMENU SCREEN LOCK FLAVOR ? EXIT YES FLAVORS LOCKED EXIT LF DISP VOLUME 4.0oz + RT DISP VOLUME 4.0oz +LF DISP VOLUME 4.0oz + LF DISP VOLUME 0.0oz + RT DISP VOLUME 4.0oz + RT DISP VOLUME 0.0oz + WATER DISP VOL 0.0oz + WATER DISP VOL 0.0oz +see Rinse Alarm LF PRODUCT DISP 0GAL RESET? LF PRODUCT DISP 0GAL RT PRODUCT DISP0GAL RESET? RT PRODUCT DISP 0GAL ENTER PASSWORD 0 + SET PASSWORD ? 0 + SELECT UNITS ENG EXIT METRICCAL LF WTR FLOW ? PULL DISPENSER MENU SCREEN RINSE TIME ? - 12 Hrs + RINSE LOCKOUT ? NO EXIT YESBIB EMPTY LOCKOUT NO EXIT YES BREW LOCKOUT ? NO EXIT YES CAL LEFT PUMP ? PULL DISPENSECAL HOT WTR FLO ? PULL DISPENSE CAL RIGHT PUMP ? PULL DISPENSER CAL RT PUMP VOL - 43mL +CAL RT WTR FLOW PULL DISPENSER CAL RIGHT SIDE ? EXIT YESLATEST FAULT NO FAULTS FACTORY DEFAULTS NO YES MENU SCREEN BIB EMPTY EXIT + XX REFILL - 155 - EXIT + WTR START DELAY15SEC + WTR STOP DELAY 15SEC + TEST LED’S ? NO EXIT YES TEST SWITCHES ? UseSwitchToTest TEST REFILL ? EXIT YESPRIMING THE CONCENTRATE LINES LOADING THE CONCENTRATEOPERATING THE PULL & HOLD DISPENSER Filling Cambros or other large containerscoil is being operated OPERATING THE PRESET PORTION CONTROL DISPENSER Models LCA-2 PC, LCA-2C PC, LCA-2A PCFilling Cambros or other large containers Daily PARTS WASHING CLEANING & PREVENTATIVE MAINTENANCEGeneral Cleaning and Sanitizing Procedures Daily RINSINGREPLACING THE PUMP TUBING PREVENTIVE MAINTENANCEDRAINING THE HOT WATER TANK Front Panel LED Display Messages TroubleshootingPower LED “OFF” see Optional Field WiringEmoty BIB Warning Troubleshooting ContinuedInternal Fault Left Refill LED “ON”the Empty BIB Warning Troubleshooting Continued Dispenser Diagnostics-LCD DisplayPossible Cause Check Threshold, see Field CalibratingPossible Cause Screen DisplayedTroubleshooting Continued Troubleshooting ProceduresPossible Cause Troubleshooting ContinuedService Screen DisplayedCalibrating the Left Side Dispenser Field Calibration of the Concentrate Pumps / Dispenser Flow RatesVolume Collected ContinuedField Calibrating the Hot Water Flow Rate Calibrating the Right Side DispenserCalibrating The Empty BIB Threshold Field Calibrating the Empty BIB WarningLCA-2/LCA-2, PC/LCA-2C/LCA-2C, PC/LCC-2/LCC-2C SCHEMATIC WIRING DIAGRAM120 VOLTS AC 2 WIRE 120/208-240 VOLTS AC 3 WIRE 208-240 VOLTS AC 2 WIRE SINGLE PHASE 50/60HZ230 VOLTS AC SCHEMATIC WIRING DIAGRAM LCC-2A/LCA-2A/LCA-2A, PC2 WIRE SINGLE PHASE