Gebruiksaanwijzing /service van het product LCA-2A van de fabrikant Bunn
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! WARNING HOT LIQUIDS ! AVE RTISSEMENT LIQUIDES CHAUDS POWER READY POR TION RINSE REFILL STO P ! HOT WATER LCA-2 LCA-2A LCA-2 PC LCC-2 INST ALLA TION & OPERA TING GUIDE BUNN-O-MA TIC CORPORA TION .
2 34766.1 080112 BUNN-O-MA TIC 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, MCP/MCA pod brewers thermal ser vers and Thermofresh servers (mechanical and digital)- 1 year parts and 1 year labor .
3 34766.1 010313 Warranty .......................................................................... 2 Introduction ..................................................................... 3 User Notices ..................................................
4 11646.0002 47624.0000 00824.0001 40054.0000 REMINDER! CLEAN AIR FIL TER WEEKL Y (LOCA TED UNDER THE DISPENSER) RECORD AT ORIO! LIMPIAR EL FIL TRO DE AIRE SEMANALMENTE (LOCALIZADO DEBAJO DEL DISPENSA.
5 ELECTRICAL REQUIREMENTS CAUTION: The dispenser must be 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 circuit rated for 120 volts AC, 15 amp, single phase, 60Hz.
6 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 .
7 INITIAL SET -UP NOTE: The LCC-2 (Chilled Unit) weighs approximately 80 lbs. (36.3 kg) and the LCA-2 (Ambient Unit) weighs approximately 70 lbs. (31.8 kg). If necessary , use more than one person when lifting or moving the dispenser . 1. Locate and remove the information packets and tube kits from top of packaging and set aside.
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.
9 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 .
10 SETTING DISPENSER FLOW RA TE The dispenser comes from the factory 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.
11 ADJUSTING MIX RA TIOS The dispenser comes with the Mix Ratios preset to 35:1. The Left and Right ratios can be set for any ratios between 20:1 and 100:1, (refer the concentrate package or the supplier for the recommended ratio). Once the recommended ratio has been entered, the Ratios can be adjusted to suit local taste preferences (i.
12 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.
13 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.
14 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.
15 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.
16 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.
17 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.
18 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.
19 MENU SCREEN ACTION DESCRIPTION BIB EMPTY -> 500 (-) EXIT (+) XX REFILL -> 155 (-) EXIT (+) WTR ST ART DELA Y (-) .15SEC (+) WTR STOP DELA Y (-) .
20 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 source. The Red POWER LED will illuminate and water will begin flowing into the tank.
21 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.
22 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.
23 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. Primar y Volume Portion Dispense Mode.
24 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.
25 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.
26 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.
27 Activate the Dispenser within 5 sec. to dispense the pre-selected volume. 34766.1 010313 Front Panel LED Display Messages Alternate Portion Dispenser Volume #2 has been selected Portion LED “ON.
28 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 .
29 Screen Displayed Possible Cause T roubleshooting Procedures Dispenser Diagnostics-LCD Display T roubleshooting (Continued) 34766.1 010313 LF T ARGET RPM TOO HIGH !! TUBE TOO SMALL CHECK DISP RA TIO.
30 Screen Displayed Possible Cause T roubleshooting Procedures T roubleshooting (Continued) 34766.1 010313 Service Required Service Required Service Required Service Required Service Required 1. Corresponding T emperature Sensor Probe wire(s) broken or disconnected.
31 Screen Displayed Possible Cause T roubleshooting Procedures T roubleshooting (Continued) 34766.1 010313 EV AP TEMP SENSOR OUT OF RANGE CHECK WIRE FOR SHORTS LEFT PUMP F AUL T! CHK PUMP WIRING CHK R.
32 Field Calibration of the Concentrate Pumps / Dispenser Flow Rates The factory 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.
33 34766.1 010313 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 Tip and Pull the Left Dispense Handle momentarily . The dispenser will dispense water for 20 seconds and then shut OFF automatically .
34 Field Calibrating the Empty BIB Warning The dispenser will automatically turn on the Left or Right “REFILL LED”, see Operating Controls and Interface , when the corresponding BIB is Empty . The Refill message is triggered when the FlavorGard TM sensor reading drops below the minimum setting.
35 34766.1 010313 34641.0005A 11/12© 2012 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 .
36 34766.1 010313 34641.0001K 06/11 © 2002 BUNN-O-MA TIC CORPORATION 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.
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