Bunn LCA-2 PC User Manual

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LCA-2
LCA-2 PC
LCC-2
INSTALLATION & OPERATING GUIDE
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
To ensure you have the latest revision of the Operating Manual, or to view the Illustrated Parts
Catalog, Programming Manual, or Service Manual, 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.
34766.0000N 11/08 ©2002 Bunn-O-Matic Corporation

Bunn LCA-2 PC Specifications

General

Category	Dispenser
Manufacturer	Bunn
Model	LCA-2 PC
Product Type	Coffee Dispenser
Capacity	2.0 gallons (7.6 liters)
Material	Stainless Steel
Voltage	120 V
Certification	NSF, UL
Dispensing Mechanism	Push Button
Temperature Control	Thermostatically controlled heating element

Summary

Electrical Requirements

Field Wiring Terminal Block Diagram (No Master ON/OFF)

Diagrams for field wiring terminal blocks for models without a master ON/OFF switch.

Field Wiring Terminal Block Diagram (With Master ON/OFF)

Diagrams for field wiring terminal blocks for models with a master ON/OFF switch.

Plumbing Requirements

Initial Set-up

Procedure for initial unboxing, placement, and leveling of the dispenser.

Plumbing Hook-up

Instructions for connecting the water supply line to the dispenser.

Setting Dispenser Flow Rate

Reprogramming Dispenser Flow Rate

Procedure to recalibrate the dispenser's flow rates after physical adjustments.

Selecting the Correct Pump Tubing

Installing the Pump Tubing

Step-by-step guide for replacing and installing pump tubing for optimal performance.

Operating Controls and Interface

Dispense and Selector Switches

Description of dispense handles, stop switch, hot water switch, and function/mode selectors.

Initial Fill & Heat

Programming the Dispenser

Basic Programming Settings

FlavorGuard Calibration

Dispenser Calibration Routines

Loading the Concentrate

Priming the Concentrate Lines

Operating the Pull & Hold Dispenser

Portion Dispense Mode

Operating the Preset Portion Control Dispenser

Primary Volume Portion Dispense

Alternate Volume Portion Dispense

Push and Hold Dispensing

Cleaning & Preventative Maintenance

Weekly Sanitizing

Replacing the Pump Tubing

Troubleshooting

Front Panel LED Display Messages

Field Calibration of Concentrate Pumps/Flow Rates

Calibrating the Left Side Dispenser

Schematic Wiring Diagram (Models without Master ON/OFF Switch)

Schematic Wiring Diagram (Models with Master ON/OFF Switch)

Schematic Wiring Diagram (LCC-2A/LCA-2A Models)