English dropdown-ico

Bunn LCA-2 manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34

Go to page of

Similar user manuals

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Bunn LCA-2, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Bunn LCA-2 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of Bunn LCA-2. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of Bunn LCA-2 should contain:
- informations concerning technical data of Bunn LCA-2
- name of the manufacturer and a year of construction of the Bunn LCA-2 item
- rules of operation, control and maintenance of the Bunn LCA-2 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Bunn LCA-2 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Bunn LCA-2, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Bunn service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Bunn LCA-2.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Bunn LCA-2 item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    ! WA RNI N G HOT LIQU I DS ! A V E R T I SS E ME N T L I Q UI DE S C HA U DS P O W E R R E A D Y P O R T I ON R I N S E R E F I L L S T O P ! H O T WA T E R INST ALLA TION & OPERA TING MANUAL BUNN-O-MA TIC CORPORA TION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 F AX: (217) 529-6644 www .bunnomatic.com 34766.0000[...]

  • Page 2

    2 BUNN-O-MA TIC COMMERCIAL PRODUCT WARRANTY Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows: 1) All equipment other than as specified below: 2 years parts and 1 year labor . 2) Electronic circuit and/or control boards: parts and labor for 3 years. 3) Compressors on refrigeration equipment: 5 years parts and 1 year [...]

  • Page 3

    3 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. 00656.0000 00986.0002 11646.0002 37881.0000 INTRODUCTION The Liquid Coffee Ambient Dispenser (LCA-2) and the Liquid Coffee Chilled[...]

  • Page 4

    4 ELECTRICAL REQUIREMENTS CAUTION: The dispenser must remain disconnected from the power source until specified in Electrical Hook- Up. The LCA-2 and LCC-2 dispensers are supplied with a 120-volt / 15 Amp cord set and require a 2-wire, grounded, individual branch cir cuit rated for 120 volts AC, 15 amp, single phase, 60Hz. The mating connector mus[...]

  • Page 5

    5 PLUMBING REQUIREMENTS The dispenser may be connected to a cold or hot water system (140°F Max.) with operating pressure between 20 and 90 psi (138 and 620 kPa) from a 1/2” 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 (620 kPa)[...]

  • Page 6

    6 SETTING DISPENSER FLOW RA TE The dispenser comes from the factor y with flow restrictors in the mix chambers. With the restrictors in place the dispense rate is about 1.8 oz./sec (53.2 ml/sec) and is used primarily for cup at a time dispensing. The flow restrictors can be removed to increase the dispense rate to about 2.5 oz./sec (74 ml/sec) fo[...]

  • Page 7

    7 SELECTING THE CORRECT PUMP TUBING There are two pump tube sizes available for use with this dispenser . T o determine the correct tubing for you application, first determine the dispenser flow rate you intend to use, refer to Setting Dispenser Flow Rate . Then look up the recommended tube size for the mix ratio of your concentrate, refer to the[...]

  • Page 8

    8 OPERA TING CONTROLS AND INTERF ACE 1a. Dispense Handles: Pull and Hold to dispense product. 1b. Dispense Switches: Push and Release to dispense product for Portion Control Models. 2. Stop Switch: Momentary switch stops all dispense functions. 3a. Hot Water Switch: Push and Hold switch to dispense hot water from the center dispense tip. 3b. Push a[...]

  • Page 9

    9 INITIAL FILL & HEA T 1. Select Normal on the Function Selector Switch and Run on the Mode Selector Switch. 2. Confirm the water supply is on. 3. Connect the dispenser to the power sour ce. The Red POWER LED will illuminate and water will begin flowing into the tank. The dispenser will automatically stop filling when the tank is full. The d[...]

  • Page 10

    10 FlavorGard™ Feature FlavorGard™ is a patented feed back control loop that monitors the mixed product and adjusts the concentrate delivery rate to maintain a consistent mix profile, i.e. Flavor Profile. The system consists of a conductance probe mounted in the final stages of the mixing chamber , a metering pump with RPM sensor and a digit[...]

  • Page 11

    11 Rinse Procedure: 1. Open the cabinet door and select Rinse on the Function Selector switch – close the door . 2. Place a 2 Liter (1/2 Gal) container under the Left dispense tip. 3. Activate the Left dispenser until water flow stops automatically , approximately 20 sec. 4. Repeat Steps 2 & 3 for the Right dispense tip. The Rinse LED will t[...]

  • Page 12

    12 PROGRAMMING THE DISPENSER Remove the lower splash guard assembly to access the digital programming module with LCD display . Press the Down Arrow key to inter the programming menu. Use the Up and Down Arrow keys to scroll through the menu screens. Select Exit to leave the programming function and return to normal operations. NOTE 1: Flashing men[...]

  • Page 13

    13 MENU SCREEN ACTION DESCRIPTION LOCK FLA VOR ? EXIT YES FLA VORS LOCKED EXIT LF DISP VOLUME (-) 4.0oz (+) RT DISP VOLUME (-) 4.0oz (+) LF DISP VOLUME 1 (-) 4.0oz (+) LF DISP VOLUME 2 (-) 0.0oz (+) RT DISP VOLUME 1 (-) 4.0oz (+) RT DISP VOLUME 2 (-) 0.0oz (+) WA TER DISP VOL 1 (-) 0.0oz (+) WA TER DISP VOL 2 (-) 0.0oz (+) Select (YES) or (EXIT) NO[...]

  • Page 14

    14 T ANK TEMP 180 (-) EXIT (+) READY TEMP 175 (-) EXIT (+) CABINET TEMP 65 (-) EXIT (+) LF PRODUCT DISP .0GAL RESET? LF PRODUCT DISP .0GAL RT PRODUCT DISP .0GAL RESET? RT PRODUCT DISP .0GAL SET P ASSWORD ? (-) 0 (+) SELECT UNITS ENG EXIT METRIC CHILLED UNIT ? NO EXIT YES RINSE ALARM ? NO EXIT YES If NO - go to BIB EMPTY LOCKOUT menu. Use the (+) or[...]

  • Page 15

    15 MENU SCREEN ACTION DESCRIPTION CAL LEFT PUMP ? PULL DISPENSE CAL LF PUMP VOL (-) 43mL (+) CAL LF WTR FLOW ? PULL DISPENSER CAL LF WTR VOL (-) 36.0OZ (+) CAL LEFT SIDE ? EXIT YES CAL RIGHT SIDE ? EXIT YES If NO - go to CAL RIGHT SIDE menu. CAL LEFT SIDE ? EXIT YES The following functions are for diagnostic and troubleshooting purposes and typical[...]

  • Page 16

    16 MENU SCREEN ACTION DESCRIPTION CAL RIGHT PUMP ? PULL DISPENSER CAL RT PUMP VOL (-) 43mL (+) CAL RT WTR FLOW PULL DISPENSER CAL RT WTR VOL (-) 36.0OZ (+) CAL RIGHT SIDE ? EXIT YES CAL HOT WTR FLO ? PULL DISPENSE CAL HOT WTR VOL (-) 34.0OZ (+) XXX CAL -> XXX (-) T ankT emp (+) Place a 50 mL (#34843.1000) graduated cylinder under the Right dispe[...]

  • Page 17

    17 MENU SCREEN ACTION DESCRIPTION BIB EMPTY -> 500 (-) EXIT (+) XX REFILL -> 155 (-) EXIT (+) WTR ST ART DELA Y (-) .15SEC (+) WTR STOP DELA Y (-) .15SEC (+) TEST LED’S ? NO EXIT YES TEST SWITCHES ? UseSwitchT oT est TEST REFILL ? EXIT YES TEST HEA TER ? EXIT YES ENTER ASSET # (-) 000000 (+) SERIAL # LCA 0000000 F ACTORY DEF AUL TS NO YES U[...]

  • Page 18

    18 LOADING THE CONCENTRA TE 1. Thoroughly mix concentrate by vigorously shaking the product Bag-In-Box (BIB). 2. Pull the BIB connector through the hole provided in the box and place it on the drip tray with the connector facing up. (See Fig. 1) 3. Open the dispenser door and locate the appropriate left or right BIB Adapter fitting. 4. Pull the Ad[...]

  • Page 19

    19 Filling Cambros or other large containers: The dispenser is designed primarily for cups or other small containers that will fit under the dispense tips. However , it may be used to fill larger containers (up to 2 Gal) by use of an extension hose on the dispense tip. Removing the Flow Restrictors will increase the dispenser flow rate to 2.5 Oz[...]

  • Page 20

    20 OPERA TING THE PRESET PORTION CONTROL DISPENSER (Models LCA-2 PC, LCA-2C PC, LCA-2A PC) Set the Function Selector Switch to Normal and the Mode Selector Switch to Run . Dispensing Preset Portions of Coffee or Hot Water 1. Primary Volume Portion Dispense Mode. (V olume 1) Refer to Programming Functions on how to set this amount. a. Place cup on t[...]

  • Page 21

    21 CLEANING & PREVENT A TIVE MAINTENANCE General Cleaning and Sanitizing Procedures Note: The BUNN ® Liquid Coffee Dispenser incorporates a “user selectable” rinse reminder feature, which lights the Rinse LED on the front panel and disables dispensing when it is time to rinse. See Programming Functions to activate this feature. Daily: RINS[...]

  • Page 22

    22 REPLACING THE PUMP TUBING The pumps and tubing used in the dispenser are designed to give maximum performance and long life. However , the tubes are a wear item and must be replaced periodically . How long the tubes last is dependent on usage and properties of the concentrate. Excessive wear will reduce the output of the pumps resulting in a wea[...]

  • Page 23

    23 DRAINING THE HOT W A TER T ANK CAUTION: The dispenser must be disconnected from the power source throughout these steps. 1. Disconnect the dispenser from the power source. 2. Shut off and disconnect the incoming water supply . 3. Remove the front splash panel. 4. Pull out drain tube to empty into a sink or a container with a minimum of five-gal[...]

  • Page 24

    24 Activate the Dispenser within 5 sec. to dispense the pre-selected volume. 34766 042304 Front Panel LED Display Messages Alternate Portion Dispenser Volume #2 has been selected Portion LED “ON” Portion Dispense Enabled Rinse Dispenser , see Rinse Procedure Dispenser Locked Out Rinse Cycle Required Rinse LED “FLASHING” Rinse Lockout Enable[...]

  • Page 25

    25 T roubleshooting (Continued) Replace BIB, see Loading the Concentrate Check BIB Connector Fittings Check T ubing Installation Check Threshold, see Field Calibrating the Empty BIB Warning Concentrate BIB is Empty . BIB Not properly connected T ubing kinked or blocked Empty BIB Warning set too high Right Refill LED “ON” Right BIB Empty Replac[...]

  • Page 26

    26 Screen Displayed Possible Cause T roubleshooting Procedures Dispenser Diagnostics-LCD Display T roubleshooting (Continued) 34766 011604 LF T ARGET RPM TOO HIGH !! TUBE TOO SMALL CHECK DISP RA TIO RT T ARGET RPM TOO HIGH !! TUBE TOO SMALL CHECK DISP RA TIO LF T ARGET RPM TOO LOW !! TUBE TOO LARGE CHECK DISP RA TIO RT T ARGET RPM TOO LOW !! TUBE T[...]

  • Page 27

    27 Screen Displayed Possible Cause T roubleshooting Procedures T roubleshooting (Continued) 34766 011604 Service Required Service Required Service Required Service Required Service Required 1. Corresponding T emperature Sensor Probe wire(s) broken or disconnected. 2. Evaporator temperature too low . 1. Corresponding T emperature Sensor Probe wire(s[...]

  • Page 28

    28 Screen Displayed Possible Cause T roubleshooting Procedures T roubleshooting (Continued) 34766 010407 EV AP TEMP SENSOR OUT OF RANGE CHECK WIRE FOR SHORTS LEFT PUMP F AUL T! CHK PUMP WIRING CHK RPM SENSOR CHK TUBING AREA RT PUMP F AUL T! CHK PUMP WIRING CHK RPM SENSOR CHK TUBING AREA COOLER F AUL T! EV AP TEMP TOO HI CHECK EV AP FAN CHK EV AP SE[...]

  • Page 29

    29 Field Calibration of the Concentrate Pumps / Dispenser Flow Rates The factor y set Default Values for the Pump & Dispenser Flow Rates are very accurate and typically do not need to be field calibrated. However , if the mix ratio accuracy is ever in question, this procedure can be used to recalibrate the unit in the field. Equipment Require[...]

  • Page 30

    30 34766 120105 Dispenser Flow Rate Calibration 13. Press Down Arrow Key to display the CAL LF WTR FLO menu screen. 14. Place a 64 Oz (2000 ml) graduated container under Left Dispense T ip and Pull the Left Dispense Handle momentarily . The dispenser will dispense water for 20 seconds and then shut OFF automatically . 15. Keep the graduated contain[...]

  • Page 31

    31 Field Calibrating the Empty BIB W arning The dispenser will automatically turn on the Left or Right “REFILL LED”, see Operating Controls and Inter face , when the corresponding BIB is Empty . The Refill message is triggered when the FlavorGard TM sensor reading drops below the minimum setting. The factory set minimum is 500 and should be co[...]

  • Page 32

    32 34766 010407 34641.0000J 09/06 © 2002 BUNN-O-MA TIC CORPORA TION 120 VOL TS AC 2 WIRE 120/208-240 VOL TS AC 3 WIRE 208-240 VOL TS AC 2 WIRE SINGLE PHASE 50/60HZ J14-1 J14-7 J18-1 J18-6 J7-1 J7-5 J7-10 J2-1 J2 -8 J3-1 J3-6 J4-1 J4-5 J5-1 J5-3 J6-1 J6-5 J6-10 J6-15 J6-20 J1-1 J1-4 J15-1 J15-4 C O N T R O L P C B O A R D J8-1 J8-3 J16-1 J16-5 J16-[...]

  • Page 33

    33 34641.0003A 01/07 © 2007 BUNN-O-MA TIC CORPORA TION 120 VOL TS AC 2 WIRE 120/208-240 VOL TS AC 3 WIRE 208-240 VOL TS AC 2 WIRE SINGLE PHASE 50/60HZ J14-1 J14-7 J18-1 J18-6 J7-1 J7-5 J7-10 J2-1 J2 -8 J3-1 J3-6 J4-1 J4-5 J5-1 J5-3 J6-1 J6-5 J6-10 J6-15 J6-20 J1-1 J1-4 J15-1 J15-4 C O N T R O L P C B O A R D J8-1 J8-3 J16-1 J16-5 J16-12 DOOR PORTI[...]

  • Page 34

    34 34766 092706 34641.0001J 09/06 © 2002 BUNN-O-MA TIC CORPORA TION J14-1 J14-7 J7-1 J7-5 J7-10 J2-1 J2 -8 J3-1 J3-6 J4-1 J4-5 J5-1 J5-3 J6-1 J6-5 J6-10 J6-15 J6-20 J1-1 J1-4 J15-1 J15-4 C O N T R O L P C B O A R D J8-1 J8-3 J16-1 J16-5 J16-12 DOUBLE POLE LIMIT THERMOSTAT ORN BLK BLK BLK WHI WHI TAN TAN BLK GRY GRN RED SOL RED RED RED RED SOL SOL [...]