Bunn LCA-2 LP Installation And Operating Manual Download

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LCA-2 LP

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.

Summary of Contents for LCA-2 LP

Page 1: ...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 C...

Page 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...

Page 3: ...se Alarm Feature 11 Programming the Dispenser 12 Priming the Concentrate Lines 16 Draining the Hot Water 16 Operating the Dispenser 17 Cleaning Preventive Maintenance 18 Replacing the Pump Tubing 19 Calibrating the Dispenser 20 Troubleshooting Guide 22 Field Calibration of the Concentrate Pumps 24 Dispenser Flow Rate Calibration 24 Field Calibrating the Empty Product Warning 25 Schematic Wiring Di...

Page 4: ...8791 060711 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 you must comply with the applicable Plumb ing Sanitation Code for your area Artw...

Page 5: ...unter 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 install the dispenser The size and shape of the hole made in the supply line by this type of device may restrict water flow INTRODUCTION The Liquid Coffee Ambient Dispenser delivers two types of coffee made from liquid concentrate plus hot water The dispenser c...

Page 6: ...nel a Insert the top tabs into the slots on the door panel b Align the key hole slots over the two lower screws then slide the splash guard down c Tighten the two lower screws 8 Level the dispenser using the adjustable feet on the legs 1 Securely attach the short piece of tubing and the water strainer assembly to the inlet fitting on the bottom of the dispenser 2 Flush the water line to remove any...

Page 7: ... product concentrate and water 12 Mode Selector Switch Allows the user to select different operating modes a Run Normal operating position b Night Anti pilfering mode that disables dispensing but keeps heater and chiller operational WARNING The NIGHT Mode does not remove AC power from the dispenser Disconnect power source before servicing the dispenser c Program Enables programming and set up of t...

Page 8: ...8 14 11 12 13 2 4 1 3 7 8 5 6 9 10 ...

Page 9: ...ess the tension screw and insert it in the notch in the pump body reapplying spring tension on the pump band 6 Install the free end of the tube over the inlet port of the mix chamber on that side of the cabinet 7 Replace the tubing retainer plate and tighten the thumbscrew 8 Open the product container and insert the stainless steel drawtube into the container 9 Repeat steps 1 through 8 for the oth...

Page 10: ... to the power source 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 dispenser will not begin heating the water until after the tank is filled 4 The Green READY LED will illuminate when the tank temperature reaches the preset ready temperature 3 4 1 38791 031606 ...

Page 11: ...Rinse Alarm disabled No Alarm It is up to the user to determine the Rinse time interval and the level of warning required based on their application and maintenance procedures To enable the automated Rinse Alarm 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 ...

Page 12: ...to scroll to the next display NOTE The display blanks out after two minutes of inactivity Press any button to activate the display LCD DISPLAY DISPLAY MODE DESCRIPTION Home View DisplaysTank Temperature Tank Temperature Displays target Tank Temperature F Regular Dispense Ratio Displays Left Dispense Ratio XXX 1 Decaf Dispense Ratio Displays Right Dispense Ratio XXX 1 Cup Dispense Volume Displays C...

Page 13: ...Exits To Home View After 3 Seconds LCD DISPLAY DISPLAY MODE DESCRIPTION Empty Product Threshold Displays Empty Product Threshold Default 600 PROGRAMMING THE DISPENSER Cont Display Mode Continued Rinse Alarm Hrs DisplaysTheHoursBetweenRequired Rinses Default 0 OFF Alarm Disabled 38791 040306 MENU 6 0 8 0 0 MENU O 0 9 F F MENU LC x x MENU 0 6 0 0 0 MENU 0 7 0 0 0 ...

Page 14: ...Range 120 200 F Ready Temp Tank Temp minus 10 F LCD DISPLAY PROGRAM MODE DESCRIPTION Left Regular Dispense Ratio Set Regular Coffee Ratio Default 30 1 Range 25 Max 100 Min Right Decaf Dispense Ratio Set Decaf Coffee Ratio Default 30 1 Range 25 Max 100 Min Cup Dispense Volume Set Cup Dispense Volume Default 0 0 Push Hold Range 0 0 16 0 Oz Carafe Dispense Volume Set Carafe Dispense Volume Default 0 ...

Page 15: ...switch then Right switch for 15 seconds each 38791 063009 MENU P 7 0 0 MENU P 8 6 0 0 MENU O P 9 F F MENU LC x x 0 Program Lockout Function The operator must hold down the stop and portion control button for 10 sec onds while machine is in program mode At 10 seconds the machine s display changes from PPP to PP LOC indicating the locked position At this point the operator may view the setup functio...

Page 16: ...K 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 right side access panel 4 Pull out drain tube to empty into a sink or a container with a minimum of 200 ounce capacity 5 Make sure drain clamp is closed then remove drain plug 6 Direct tube into s...

Page 17: ... of the cycle c Remove cup 2 Carafe Dispense Mode Refer to Programming Functions to set this volume a Place the appropriate size container beneath the dispensing tip b Momentarily press the Portion Switch The Portion LED will illuminate for 5 seconds after the Portion Switch is pressed c Momentarily press the desired dispense switch If the user waits longer than 5 seconds to push the switch the di...

Page 18: ...ugh the connector Note Cutting the mating fittings from an empty bag makes an excellent free flowing connector for this purpose 3 Place bag connector into a one gallon 3 8 liter container of warm soapy tap water 140F 60C 4 Place an empty container under dispense tip and activate corresponding Dispense Switch until clean soapy water is dispensed from the dispense tip 5 Repeat steps 3 and 4 with war...

Page 19: ...iddle section of the new pump tubing Fig 4 6 Carefully wrap the new tubing around the rotor making sure that the elbow and clamps end up on the front side of the pump body Fig 5 7 Depress the tension screw and insert it in the notch in the pump body reapplying spring tension on the pump band 8 Install the free end of the tube over the inlet port of the mix chamber on that side of the cabinet Fig 5...

Page 20: ...collected from the 20 sec test above Default 22 Range 18 26mL Right Decaf Pump Cal SetPRIME NORMAL RINSEswitchto PRIME position Press and hold Decaf Dispense Switch until pump stops 20 sec Refer to Field Calibration of the Concentrate Pumps Right Decaf Pump Cal Enter mL collected from the 20 sec test above Default 22 Range 18 26mL Left Regular Water Rate SetPRIME NORMAL RINSEswitchto RINSEposition...

Page 21: ... Delay Delays the Pump turn off after a dispense Default 200 Range 1 999 mSec Reset Factory Defaults Resets all set up values to the Factory Default setting Hold both Increase and Decrease switch for 10 seconds Displays Software Version Exits To Home View After 3 Seconds English or Metric Mode Eng for English S I for Metric Error Code History Displays last known Error Code Depress the Decrease to ...

Page 22: ...ng the troubleshooting steps contact the Bunn O Matic Technical Service Department Left Regular Pump Failed Left Motor or RPM Sensor Failure Check motor and RPM sensor wires for shorts or open connections Right Decaf Pump Failed Right Motor or RPM Sensor Failure Check motor and RPM sensor wires for shorts or open connections Heating Time Too Long Tank Heater ON Continuous For More Than 1 Hour Chec...

Page 23: ...oard Failure Unable To Communicate With The Switch Board In The Door Faulty wiring between the Door and the Main Control Board 38791 040306 Power Supply Voltage Out of Range Too High 26 Vdc or Too Low 23 Vdc Display alternates between EC 011 and the actual power supply voltage XX Vdc Check line voltage Check 115 230 Vac switch on the power supply MENU 7 C E 0 0 MENU 0 C E 0 1 MENU 1 C E 0 1 ...

Page 24: ...er under the Left Dispense Tip 7 Press Hold the Regular dispense switch The dispenser will display a 20 second count down timer and then shut the pump OFF automatically Release the dispense switch 8 Keep the graduated cylinder under dispense tip until all the concentrate has dripped out 9 Measure the volume of concentrate collected in the graduated cylinder The acceptable range for the volume of c...

Page 25: ...on the Regular or Decaf REFILL LED see Operating Controls and Interface when the corresponding container is Empty The Refill message is triggered when the conductance sensor reading drops below the minimum setting The factory set minimum is 600 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...

Page 26: ...LK 18 BLK 18 WHT 18 J4 10 MAIN CONTROL BOARD YEL 18 ORN 18 RED 18 J4 1 J4 5 N O COM BLK 16 RINSE WHT VIO 22 J8 5 WHT GRAY 22 WHT BLK 22 GRAY 22 BRN 20 RED 20 J8 10 J8 14 J8 1 BLK 22 VIO 22 BRN 20 RED 20 PROGRAM NIGHT RUN NORMAL PRIME LEFT CONDUCTANCE RIGHT CONDUCTANCE ORN 22 PINK 22 J10 1 J10 4 GRN 22 WHT ORN 22 GRAY 18 GRAY 18 J2 5 J2 8 J2 1 WHT 18 RED 18 BLK 18 RED 18 1 WHT BLK t N L2 BLK 18 WHT...

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