Bunn LCA-1A Installation Manual

LCA-1

LCA-1A

INSTALLATION & OPERATING GUIDE

BUNN-O-MATIC CORPORATION

POST OFFICE BOX 3227

SPRINGFIELD, ILLINOIS 62708-3227

PHONE: [phone] FAX: [phone]

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.

44806.0001H 06/16 ©2011 Bunn-O-Matic Corporation

BUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY

Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows:

1) Airpots, thermal carafes, decanters, GPR servers, iced tea/coffee dispensers, MCR/MCP/MCA single cup brewers, ther­mal servers and ThermoFresh® servers (mechanical and digital) 1 year parts and 1 year labor.

2) All other equipment - 2 years parts and 1 year labor plus added warranties as specified below:
a) Electronic circuit and/or control boards - parts and labor for 3 years.
b) Compressors on refrigeration equipment - 5 years parts and 1 year labor.
c) Grinding burrs on coffee grinding equipment to grind coffee to meet original factory screen sieve analysis - parts and
labor for 4 years or 40,000 pounds of coffee, whichever comes first.

These warranty periods run from the date of installation BUNN warrants that the equipment manufactured by it will be
commercially free of defects in material and workmanship existing at the time of manufacture and appearing within the
applicable warranty period. This warranty does not apply to any equipment, component or part that was not manufactured
by BUNN or that, in BUNN’s judgment, has been affected by misuse, neglect, alteration, improper installation or operation,
improper maintenance or repair, non periodic cleaning and descaling, equipment failures related to poor water quality,
damage or casualty. In addition, the warranty does not apply to replacement of items subject to normal use including but
not limited to user replaceable parts such as seals and gaskets. This warranty is conditioned on the Buyer 1) giving BUNN
prompt notice of any claim to be made under this warranty by telephone at [phone] or by writing to Post Office Box
3227, Springfield, Illinois 62708-3227; 2) if requested by BUNN, shipping the defective equipment prepaid to an authorized
BUNN service location; and 3) receiving prior authorization from BUNN that the defective equipment is under warranty.

THE FOREGOING WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTY, WRITTEN OR ORAL, EX­PRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF EITHER MERCHANTABILITY
OR FITNESS FOR A PARTICULAR PURPOSE. The agents, dealers or employees of BUNN are not authorized to make

modifications to this warranty or to make additional warranties that are binding on BUNN. Accordingly, statements by such
individuals, whether oral or written, do not constitute warranties and should not be relied upon.
If BUNN determines in its sole discretion that the equipment does not conform to the warranty, BUNN, at its exclusive op­tion while the equipment is under warranty, shall either 1) provide at no charge replacement parts and/or labor (during the
applicable parts and labor warranty periods specified above) to repair the defective components, provided that this repair
is done by a BUNN Authorized Service Representative; or 2) shall replace the equipment or refund the purchase price for
the equipment.

THE BUYER’S REMEDY AGAINST BUNN FOR THE BREACH OF ANY OBLIGATION ARISING OUT OF THE SALE OF THIS
EQUIPMENT, WHETHER DERIVED FROM WARRANTY OR OTHERWISE, SHALL BE LIMITED, AT BUNN’S SOLE OPTION
AS SPECIFIED HEREIN, TO REPAIR, REPLACEMENT OR REFUND.

In no event shall BUNN be liable for any other damage or loss, including, but not limited to, lost profits, lost sales, loss of
use of equipment, claims of Buyer’s customers, cost of capital, cost of down time, cost of substitute equipment, facilities
or services, or any other special, incidental or consequential damages.

392, A Partner You Can Count On, Air Infusion, AutoPOD, AXIOM, BrewLOGIC, BrewMETER, Brew Better Not Bitter, Brew­WISE, BrewWIZARD, BUNN Espress, BUNN Family Gourmet, BUNN Gourmet, BUNN Pour-O-Matic, BUNN, BUNN with
the stylized red line, BUNNlink, Bunn-OMatic, Bunn-O-Matic, BUNNserve, BUNNSERVE with the stylized wrench design,
Cool Froth, DBC, Dr. Brew stylized Dr. design, Dual, Easy Pour, EasyClear, EasyGard, FlavorGard, Gourmet Ice, Gourmet
Juice, High Intensity, iMIX, Infusion Series, Intellisteam, My Café, Phase Brew, PowerLogic, Quality Beverage Equipment
Worldwide, Respect Earth, Respect Earth with the stylized leaf and coffee cherry design, Safety-Fresh, savemycoffee.com,
Scale-Pro, Silver Series, Single, Smart Funnel, Smart Hopper, SmartWAVE, Soft Heat, SplashGard, The Mark of Quality in
Beverage Equipment Worldwide, ThermoFresh, Titan, trifecta, TRIFECTA (sylized logo), Velocity Brew, Air Brew, Beverage
Bar Creator, Beverage Profit Calculator, Brew better, not bitter., Build-A-Drink, BUNNSource, Coffee At Its Best, Cyclonic
Heating System, Daypart, Digital Brewer Control, Element, Milk Texturing Fusion, Nothing Brews Like a BUNN, Picture
Prompted Cleaning, Pouring Profits, Signature Series, Sure Tamp, Tea At Its Best, The Horizontal Red Line, Ultra are either
trademarks or registered trademarks of Bunn-O-Matic Corporation. The commercial trifecta® brewer housing configura­tion is a trademark of Bunn-O-Matic Corporation.

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CONTENTS

Warranty .................................................................................................................................................2

User Notices ...........................................................................................................................................4

Introduction ............................................................................................................................................4

Electrical Requirements ..........................................................................................................................5

Plumbing Requirements .........................................................................................................................6

Initial Set-up ...........................................................................................................................................7

Locating the Dispenser ...........................................................................................................................7

Electrical Hook-up ...................................................................................................................................7

Plumbing Hook-up ..................................................................................................................................7

Operating Controls & Interface ...............................................................................................................8

Installing Pump Tubing .........................................................................................................................10

Priming the Concentrate Lines ..............................................................................................................10

Initial Fill & Heat ....................................................................................................................................11

Rinse Alarm Feature ..............................................................................................................................12

Programming the Dispenser .................................................................................................................13

Operating the Dispenser ........................................................................................................................15

Cleaning & Preventive Maintenance ......................................................................................................16

Replacing the Pump Tubing ..................................................................................................................17

Replacing the Water Filter .....................................................................................................................17

Calibrating the Dispenser ......................................................................................................................18

Troubleshooting Guide ..........................................................................................................................20

Calibration of the Concentrate Pumps ...................................................................................................21

Dispenser Flow Rate Calibration ...........................................................................................................22

Draining the Hot Water..........................................................................................................................22

Schematic Wiring Diagrams ..................................................................................................................23

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USER NOTICES

Carefully read and follow all notices on the equipment and in this manual. They were written for your protec-

tion. All notices are to be kept in good condition. Replace any unreadable or damaged labels.

As directed in the International Plumbing Code of the
International Code Council and the Food Code
Manual of the Food and Drug Administration (FDA),
this equipment must be installed with adequate
backflow prevention to comply with federal, state
and local codes. For models installed outside the
U.S.A., you must comply with the applicable Plumb­ing /Sanitation Code for your area.

00656.0001

00986.0002

00824.0002

37881.0000

WARNING HOT LIQUIDS

37280.0001

INTRODUCTION

The BUNN LCA-1 dispenser is design to hold up to 1/2 gal (2 l) of ambient - shelf stable liquid coffee con­centrate. The dispenser is designed to operate when ambient temperatures are from 32°F (0°C) minimum to
95°F (35°C) maximum. Always follow the Concentrate Manufacturer’s Storage and Shelf Life recommendations.

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CE REQUIREMENTS

• This appliance must be installed in locations where it can be overseen by trained personnel.

• For proper operation, this appliance must be installed where the temperature is between 5°C to 35°C.

• Appliance shall not be tilted more than 10° for safe operation.

• An electrician must provide electrical service as specified in conformance with all local and national codes.

• This appliance must not be cleaned by water jet.

• This appliance can be used by persons aged from 18 years and above if they have been given supervision or

instruction concerning use of the appliance in a safe way and if they understand the hazards involved.

• Keep the appliance and its cord out of reach of children aged less than 18 years.

• Appliances can be used by persons 18 years and above with reduced physical, sensory or mental capabilities

or lack of experience and knowledge if they have been given supervision or instruction concerning use of the

appliance in a safe way and understand the hazards involved.

• Children under the age of 18 years should be supervised to ensure they do not play with the appliance.

• If the power cord is ever damaged, it must be replaced by the manufacturer or authorized service personnel

with a special cord available from the manufacturer or its authorized service personnel in order to avoid a hazard.

• Machine must not be immersed for cleaning.

• Cleaning and user maintenance shall not be made by children unless they are older than 18 years and supervised.

• This appliance is intended to be used in household and similar applications such as:

– staff kitchen areas in shops, offices and other working environments;

– by clients in hotels, motels and other residential type environments;

– bed and breakfast type environments.

• This appliance not intended to be used in applications such as:

– farm houses;

• Access to the service areas permitted by Authorized Service personnel only.

• The A-Weighted sound pressure level is below 70 dBA.

NORTH AMERICAN REQUIREMENTS

• This appliance must be installed in locations where it can be overseen by trained personnel.

• For proper operation, this appliance must be installed where the temperature is between 41°F to 95°F (5°C to

35°C).

• Appliance shall not be tilted more than 10° for safe operation.

• An electrician must provide electrical service as specified in conformance with all local and national codes.

• This appliance must not be cleaned by pressure washer.

• This appliance can be used by persons aged from 18 years and above if they have been given supervision or

instruction concerning use of the appliance in a safe way and if they understand the hazards involved.

• Keep the appliance and its cord out of reach of children aged less than 18 years.

• Appliances can be used by persons 18 years and above with reduced physical, sensory or mental capabilities

or lack of experience and knowledge if they have been given supervision or instruction concerning use of the

appliance in a safe way and understand the hazards involved.

• Children under the age of 18 years should be supervised to ensure they do not play with the appliance.

• If the power cord is ever damaged, it must be replaced by the manufacturer or authorized service personnel

with a special cord available from the manufacturer or its authorized service personnel in order to avoid a hazard.

• Machine must not be immersed for cleaning.

• Cleaning and user maintenance shall not be made by children unless they are older than 18 years and supervised.

• This appliance is intended for commercial use in applications such as:

– staff kitchen areas in shops, offices and other working environments;

– by clients in hotel and motel lobbies and other similar types of environments;

• Access to the service areas permitted by Authorized Service personnel only.

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44806.1 040315

ELECTRICAL REQUIREMENTS

Refer to the Data Plate on the dispenser, and local/national electrical codes to determine circuit requirements.
WARNING - If the power cord is ever damaged, it must be replaced by the manufacturer or its service agent with a special

cord available from the manufacturer or its service agent in order to avoid a hazard.

The LCA-1 is supplied with a 120-volt / 15 Amp cord set and require a 2-wire, grounded, individual branch circuit rated for
120 volts AC, 15 amp, single phase, 60Hz. The mating connector must be a NEMA 5-15R.

The LCA-1A dispenser is internally wired from the factory for 220-240 volts AC, Single Phase, 50/60 Hz. It requires a 2-wire,
grounded, individual branch circuit rated for 240 volts AC.

PLUMBING REQUIREMENTS

The dispenser may be connected to a cold or hot water system (140°F (60°C) Max.) with operating pressure between 20
and 90 psi (0.138 and 0.620 MPa) from a 3/8” (10mm) or larger supply line. A shut-off valve should be installed in the
line before the dispenser. Install a regulator in the line when pressure is greater than 90 psi (0.620 MPa) to reduce it to 50
psi (0.345 MPa). The water inlet fitting is 1/4” flare. The dispensers set up to deliver to 1.25 Oz./sec. (37.0 ml/sec.) and
require a water supply source that can deliver a minimum of 1.0 gpm (3.8 lpm) at the inlet fitting.
NOTE: Bunn-O-Matic recommends 1/4” tubing from the 3/8” water supply line. At least 18 inches (0.5m) of FDA approved
flexible beverage tubing, such as reinforced braided polyethylene or silicone, before the dispenser will facilitate movement
to clean the counter top. Bunn-O-Matic does not recommend the use of a saddle valve to install the dispenser. The size
and shape of the hole made in the supply line by this type of device may restrict water flow.

As directed in the International Plumbing Code of the International Code Council and the Food Code
Manual of the Food and Drug Administration (FDA), this equipment must be installed with adequate
backflow prevention to comply with federal, state and local codes. For models installed outside the
U.S.A., you must comply with the applicable Plumbing /Sanitation Code for your area.

NOTE - Water pipe connections and fixtures directly connected to a potable water supply shall be sized, installed and

maintained in accordance with federal, state and local codes.

BUNN recommends the use of our Easy Clear® Water Quality Systems to assure perfect taste.

Filter Kits - Easy Clear EQHP-10L w/Scale Inhibitor (Bunn-O-Matic part no. 39000.0001)
or
Easy Clear EQHP-10 (Bunn-O-Matic part no. 39000.0004)

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44806.1 072914

INITIAL SET-UP

NOTE: The dispenser weighs approximately 40 lbs. (18 kg), when empty.

If necessary, use more than one person when lifting or moving the dispenser.

1. Cut the plastic bands and remove the top box and other packing.

2. Locate and remove the Adapter Tube Kit, Graphic Kit, Drip Tray & Literature Pkg from the packaging and set
aside.

3. Set dispenser on the counter where it is to be used. CAUTION: DO NOT LIFT ON THE DOOR.

4. Install the drip tray assembly between the front legs. The magnets will hold the tray in place.

5. Install the Graphic decal in the door.

LOCATING THE DISPENSER

Additional clearance is required on both sides and behind the dispenser to allow for proper air flow and cooling.
The dispenser requires a minimum space of 16.6” wide x 17.8” tall x 23.0” deep (42,2 x 45,2 x 58,4 cm)(to al­low for the drip tray, water and electrical connections). In addition, allow enough clearance on the left-hand side
to allow the door to open freely.
NOTE: In high ambient location where the air temperature around the dispenser could exceed 95°F (35°C), ad­ditional clearance is required on both sides and behind the dispenser to allow for proper air flow and cooling.

PLUMBING HOOK-UP

1. Flush the water line to remove any debris or foreign material.

2. Remove the shipping cap from the inlet fitting on the back of the
dispenser and securely attach the water line to the fitting supplied.

3. Turn on the water supply and check for leaks.

ELECTRICAL HOOK-UP

CAUTION: Improper electrical installation will damage electronic components.
Refer to Data Plate on the dispenser, and local/national electrical codes to determine circuit requirements.

1. An electrician must provide electrical service as specified in conformance with all local, state and federal
electrical codes.

2. Using a voltmeter, check the voltage and color-coding of each conductor at the electrical source.

3. Connect the dispenser to the power source.

4. If plumbing is to be hooked up later, be sure the dispenser is disconnected from the power source. If plumbing
has been hooked up, the dispenser is ready for Initial Fill & Heat.

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User Interface:

OPERATING CONTROLS AND INTERFACE

5 4 6

3 1 2

1. Dispense Switch: Push and Hold to dispense product.

2. Hot Water Switch: Push and Hold to dispense hot water only.

3. Portion Switch: Momentarily pushed to select a Portion dispense.

4. Power LED: Red - illuminates when AC power is applied to dispenser.

5. Ready LED: Green - illuminates when the water is with in 10 F (6°C) of the desired water temperature.

6. Warning LED: Yellow - illuminates when an error condition is detected.

(Continued Next Page)

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