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LCA-2 IC

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.

Содержание LCA-2 IC

Страница 1: ...st 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 38059 0000L 06 11 2005 Bunn O Matic Corporation ...

Страница 2: ... 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 re...

Страница 3: ...cing the Pump Tubing 19 Troubleshooting 20 Field Calibration of the Concentrate Pumps 24 Dispenser Flow Rate Calibration 25 Field Calibrating the Empty BIB Warning 25 Schematic Wiring Diagrams 26 CONTENTS INTRODUCTION The Liquid Coffee Ambient Iced Coffee Dispenser LCA 2 IC delivers two types of coffee made from liquid concentrate The dispenser can be set up for continuous draw by the cup for self...

Страница 4: ...s inside Authorized service personnel only Disconnect power before servicing 38059 060611 00824 0002 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 yo...

Страница 5: ...lpm at the inlet fitting NOTE Bunn O Maticrecommends3 8 tubingfromthe1 2 watersupplyline Atleast18inchesofFDAapproved flexible beverage tubing such as reinforced braided polyethylene or silicone before the dispenser will facilitate movement to clean the counter top It can be purchased direct from Bunn O Matic part number 00326 0000 Bunn O Matic does not recommend the use of a saddle valve to insta...

Страница 6: ... Confirm the dispenser is level on the counter ELECTRICAL HOOK UP CAUTION Improper electrical installation will damage electronic components 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 pow...

Страница 7: ...sion on the pump band 3 Apply lubricant BUNN O MATIC part number M2548 1000 to the new pump tubing 4 Insert the tubing onto the mix chamber port and wrap the tubing around the pump rotor making sure that the elbow and clamps end up on the bottom side of the pump body 5 Close the compression band reinsert the tension screw into the notch in the pump housing 6 Replace the tubing retainer plate and t...

Страница 8: ... the dispenser Disconnect power source before servicing the dispenser c Night Anti pilfering mode that disables dispensing 6 Door Interlock Switch Unit will not dispense product if the door is open 7 Power LED Red illuminates when AC power is applied to dispenser 8 Portion LED Yellow illuminates when the portion dispense option has been selected 5 second delay 9 Rinse LED Yellow illuminates when t...

Страница 9: ... 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 the machine will be ready for Programming as described in Programming Functions Basic Operations 3 1 1 38059 050605 ...

Страница 10: ...feature refer to RINSE ALARM in Programming the Dispenser 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 turn OFF when the Rin...

Страница 11: ...or buttons to adjust the Mix Ratio Selecttubesize Sizeselected will flash ON OFF Use the or buttons to adjust the Mix Ratio Selecttubesize Sizeselected will flash ON OFF Enter the desired Mix Ratio for the concentrate used in the Left dispenser 20 1 100 1 Select Pump Tube Size to be used in the Left metering pump see Tube Selection Chart Enter the desired Mix Ratio for the concentrate used in the ...

Страница 12: ...it code of your choice Record your password code _ _ _ _ as you will need it to access these functions in the future Use the or buttons to enter password Enter the access Code to view the remaining functions Factory Default 0 LF PRODUCT DISP 0GAL RESET LF PRODUCT DISP 0GAL RT PRODUCT DISP 0GAL RESET RT PRODUCT DISP 0GAL Select RESET to clear total NONE Select RESET to clear total NONE SelectingRes...

Страница 13: ...t Rinse Alarm delay Select YES to enable Select YES to enable Use the or buttons to adjust the Delay Time The Left Pump will dispense concentrate for 20 seconds then shut off automatically Collect and measure the concentrate dispensed Enter the volume of concentrate measured from the Left Pump in mL not Oz regardless of Preferred Units selected The Left Dispenser will dispense hot water for 20 sec...

Страница 14: ...se the or buttons to enter volume collected NONE Enter the volume of the water measured from the Left dispenser in Oz mL Scroll down to bypass this screen Selecting Yes will enable the Right Dispenser Calibration routine see Pump Calibration prior to calibrating the dispenser The Right Pump will dispense concentrate for 20 seconds then shut off automatically Collect and measure the concentrate dis...

Страница 15: ...spense Valve ON Delay Eliminates weak mix at the beginning of a dispense Dispense Valve OFF Delay Flushes the mix chamber at the end of a dispense LED diagnostics Selecting YES will light all Front Door LED s SwitchDiagnostic Activateswitchesseparatelyto test Display will indicate which Switch has been activated NOTE Door Interlock switch must be held closed Allows the user the option of entering ...

Страница 16: ... Installation Decal on the door for proper routing See Fig 3 7 Close the cabinet door PRIMING THE CONCENTRATE LINES 1 Open the dispenser door 2 Load concentrate per instructions in the section titled Loading the Concentrate 3 Select Prime on the Function Selector Switch and Run on the Mode Selector Switch 4 Close the dispenser door 5 Place a container under the appropriate dispense tip 6 Activate ...

Страница 17: ...mal and the Mode Selector Switch to Run 1 Pull and Hold Dispense Mode Cup at a time a Place cup on the cup tray beneath the desired dispensing tip For a large container flip the cup tray up and place the container on top of the drip tray b Pull and Hold the corresponding dispense handle until the cup or other container is full c Remove cup or container 2 Portion Dispense Mode Preset volume dispens...

Страница 18: ...the internal valve to allow free flow of product through the connector NOTE Cutting the mating fittings from an empty bag makes an excellent free flowing connector for this purpose 4 Place the bag connector into a one gallon 3 8 liter container of warm soapy tap water 140 F 60 C 5 Place an empty container under dispense tip and activate the corresponding Dispenser until the clean soapy water is di...

Страница 19: ...p bands for signs of wear Replace if necessary 6 Apply lubricant BUNN O MATIC part number M2548 1000 to the new pump tubing s rotor side 7 Insert the tube onto the mix chamber port then wrap the new tubing around the pump rotor making sure that the elbow and clamps end up on the bottom side of the pump housing 8 Depress the tension screw and insert it in the notch in the pump body reapplying sprin...

Страница 20: ...voltagestoelectroniccomponentsmayresultincomponent or circuit board failure Intermittent operation of electronic circuit boards is unlikely board failure will normally be permanent If an intermittent condition is encountered the cause will likely be a switch contact or a loose wire connection at a terminal or crimp Solenoid removal requires interrupting the water supply to the valve Damage may res...

Страница 21: ...ty BIB Warning Concentrate BIB is Empty BIB Not properly connected Tubing kinked or blocked Empty BIB warning set too high Left Refill LED ON Left BIB Empty Replace BIB see loading the Concentrate Left Dispenser will not operate Left Refill LED FLASHING Empty BIB Lockout Enabled Replace BIB see loading the Concentrate Remove the lower splash guard to view the Fault message See Diagnostics After th...

Страница 22: ...Right Hand Dispenser is too large for the application 2 The Ratio selected for the Right Hand Dispenser is not correct for the application 1 Concentrate BIB is Empty 2 BIB Not properly connected 3 Tubing kinked or blocked 4 Empty BIB Warning set too high 1 Concentrate BIB is Empty 2 BIB Not properly connected 3 Tubing kinked or blocked 4 Empty BIB Warning set too high Refer to Selecting the Correc...

Страница 23: ... FAULT CONFIG NOT VALID CHECK J 18 ON CONTROL BOARD 1 Motor failure 2 RPM Sensor failure 1 Motor failure 2 RPM Sensor failure 1 Concentrate buildup on probes 2 Machine dispensing continously 3 Water flowing continously 1 Invalid wire harness configuation Service Required Service Required Service Required Service Required Check pump tubing for proper installation Clean probes Dispense switch failur...

Страница 24: ...ipping Discard the concentrate collected 4 Select NORMAL on the Function Selector Switch 5 Locate the programming module and use the Arrow Down key to scroll through LCD screens until CAL LEFT SIDE appears and press the YES button 6 The CAL LEFT PUMP menu screen will be displayed Place a 50 ml graduated cylinder under Left Dispense Tip and activate the Left Dispenser momentarily The dispenser will...

Страница 25: ...D see Operating Controls and Interface when the corresponding BIB is Empty The Refill message is triggered when the FlavorGardTM sensor reading drops below the minimum setting The factory set minimum is 250 and should be correct for most locations However in some areas the hardness of the local water supply may effect this reading If the Refill message doesn t come on when the BIB is empty or the ...

Страница 26: ...RED RED RED YEL YEL RIGHT PUMP LEFT PUMP RED BLK RED BLK L1 N 120V 2 Wire RED BRN WHI BRN WHI BLK BLK BRN BLK BRN BLK WHI YEL WHI ORN BLK BLK BLK J1 1 J1 5 J1 10 J1 16 S W I T C H A N D L E D B O A R D GRN ORN TAN RED BLK WHI GRN WHI GRN BLK WHI BLK WHI GRY WHI VIO WHI YEL RED BLK ORN BLK RED WHI BLU WHI BLU BLK BLK WHI WHI RIGHT RPM SENSOR LEFT RPM SENSOR RED BLK BLK RED BLK GRN GRN SELECTOR SWIT...

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