Manuals / Bunn / Kitchen Appliance / Beverage Dispenser

Bunn LCR-3 service manual Introduction, Contents

Models: LCR-3

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CONTENTS

Warranty	2	Energy Saver Mode	11
Introduction	3	Optional 2-Product Operation	11
User Notices	4	Programming the Dispenser	12
Electrical Requirements	5	Loading the Concentrate	17
Plumbing Requirements	5	Priming the Concentrate Lines	17
Initial Set-up	6	Operating the Dispenser	18
Electrical Hook-up	6	Filling Cambros or other large containers	18
Plumbing Hook-up	6	Cleaning & Preventive Maintenance	19
Leveling the Dispenser	6	Replacing the Pump Tubing	20
Installing Pump Tubing	7	Draining the Hot Water	21
Operating Controls & Interface	8	Troubleshooting	22
Initial Fill & Heat	9	Field Calibration of the Concentrate Pumps	25
Rinse Alarm Feature	10	Dispenser Flow Rate Calibration	25
BIB Empty Lockout Feature	11	Field Calibrating the Empty BIB Warning	26
Brew Temperature Lockout Feature	11	Schematic Wiring Diagram	27

INTRODUCTION

Always follow the Concentrate Manufacturer’s for recommendations for proper Storage and Shelf Life. The product Flavor Profile is extended by the refrigerated cabinet featured in the LCR-3. This dispenser is designed to operate at ambient temperatures from 32°F (0°C) minimum to 104°F (40°C) maximum.

3	41129 060111

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Bunn LCR-3 service manual Introduction, Contents

Contents

41129.0000H 06/11 2008 Bunn-O-MaticCorporation INSTALLATION & OPERATING GUIDELCR-3HV BUNN-O-MATICCORPORATIONBUNN-O-MATICCOMMERCIAL PRODUCT WARRANTY INTRODUCTION CONTENTSDo not connect to a circuit operating at USER NOTICESMoving Parts 00824.0002 more than 150 volts to groundFIELD WIRING TERMINAL BLOCK DIAGRAM ELECTRICAL REQUIREMENTSPLUMBING REQUIREMENTS LEVELING THE DISPENSER INITIAL SET-UPELECTRICAL HOOK-UP PLUMBING HOOK-UPAlternate Evaporator Drain DRIP TRAY INSTALLATIONINSTALLING THE PUMP TUBING Optional Drip Tray DrainOPERATING CONTROLS AND INTERFACE INITIAL FILL & HEAT Alarm Mode Rinse Alarm FeatureRinse Procedure Alarm LevelOptional 2- Product Operation BIB Empty Lockout FeatureBrew Temperature Lockout Feature Energy Saver Mode384.0oz + RT DISP VOLUME 36.0oz + RT DISP VOLUME LF DISP VOLUME 36.0oz + LF DISP VOLUME 192.0oz +LF DISP VOLUME 384.0oz + MID DISP VOLUME 36.0oz + MID DISP VOLUME 192.0oz + MID DISP VOLUMEREADY TEMP EXIT + CABINET TEMP EXIT + ENTER PASSWORD 0 + SET PASSWORD ? 0 +PROGRAMMING Continued LCD DISPLAYE-SAVERTANK TEMP NO EXIT LCD DISPLAY BibEMPTY LOCKOUT NO EXIT YESBREW LOCKOUT ? NO EXIT YES ENERGY SAVER MODE NO EXIT YES E-SAVERIDLE TIME 4 HRS +CAL RT PUMP VOL -58mL + ACTIONDESCRIPTIONCAL LEFT PUMP ? LEFT CAL MIDDLE PUMP ? MIDDLE CAL MID PUMP VOL 58mL +TEST REFILL ? EXIT YES TEST HEATER ? EXIT YES WTR START DELAY 15SEC+ WTR STOP DELAY 15SEC+LATEST FAULT NO FAULTS FACTORY DEFAULTS NO YES LCD DISPLAY XXOVERFLOW EXIT +PRIMING THE CONCENTRATE LINES LOADING THE CONCENTRATEFILLING CAMBROS OR OTHER LARGE CONTAINERS OPERATING THE DISPENSERTo Dispense Coffee To Dispense Hot WaterDaily RINSING & CLEANING CLEANING & PREVENTATIVE MAINTENANCEPREVENTIVE MAINTENANCE General Cleaning and Sanitizing ProceduresRemove Tubing REPLACING THE PUMP TUBINGInstall New Tubing Remove Retaining Plate Release Spring TensionDRAINING THE HOT WATER TANK Possible Cause TroubleshootingTroubleshooting Procedures to Field Calibration Procedurespump indicated is out of range Troubleshooting ContinuedScreen Displayed TOO LOWPossible Cause Troubleshooting ContinuedCHECK WIRE FOR SHORTS Screen DisplayedDispenser Flow Rate Calibration Calibrating the Left Concentrate PumpField Calibrating the Empty BIB Warning LCR-3HV SCHEMATIC WIRING DIAGRAM