Bunn LCA-2 LCC-2 Installation And Operating Manual Download Page 1

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INSTALLATION & OPERATING MANUAL

BUNN-O-MATIC CORPORATION

POST OFFICE BOX 3227

SPRINGFIELD, ILLINOIS 62708-3227

PHONE: (217) 529-6601 FAX: (217) 529-6644

www.bunnomatic.com

BUNN

LCA-2
LCC-2

! WARNING

HOT LIQUIDS

! A

ISS

T L

IQU

IDE

S C

Summary of Contents for LCA-2 LCC-2

Page 1: ...BOX 3227 SPRINGFIELD ILLINOIS 62708 3227 PHONE 217 529 6601 FAX 217 529 6644 www bunnomatic com BUNN 34766 0000 12 02 2002 Bunn O Matic Corporation LCA 2 LCC 2 WARNING HOT LIQUIDS AVERTISSEMENT LIQUIDES CHAUDS PO WER RE AD Y PO RT IO N RI NSE RE FI LL ST OP HOT WAT ER ...

Page 2: ...ake 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 l...

Page 3: ...BEFORE USING THIS PRODUCT 00986 0002E 5 98 1994 Bunn O Matic Corporation 10044 0000 INTRODUCTION The Liquid Coffee Ambient Dispenser LCA 2 and the Liquid Coffee Chilled Dispenser LCC 2 delivers two types of coffee plus hot water The dispenser can be set up for continuous draw by the cup for self serve applications or portion control to fill carafes and decanters for wait staff Product Flavor Profi...

Page 4: ...r 120 208 240V A C 3 Wire per Fig 3 Move the Red Heater wire to the Top Red Terminal as shown Fig 1 Fig 2 Fig 3 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 lin...

Page 5: ...he 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 power source 4 If plumbing is to be hoo...

Page 6: ...nser you may have to rotate it slightly and secure it with the two screws 10 Reposition the grommet vent line and pump tubing onto the mix chamber ports Caution Failuretoproperlyreplaceandsecureanyoftheabovecomponentsmayresultleaksand orcausedamage to the dispenser 34766 112502 If you changed the Dispenser Flow Rate you will need to reprogram the dispenser to the new rate see Programming the Dispe...

Page 7: ...ress the tension screw and remove it from the notch in the pump body releasing the spring tension 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 t...

Page 8: ...onnect power source before servicing the dispenser c Night Anti pilfering mode that disables dispensing but keeps the tank heater and chiller if applicable operational 7 Door Interlock Switch Unit will not dispense product if the door is open 8 Power LED Red illuminates when AC power is applied to dispenser 9 Ready LED Green illuminates when the water is at the preset ready temperature 10 Portion ...

Page 9: ...s full The dispenser will not begin heating the water until after the tank is filled Dispenser models with product chillers will begin to cool the cabinet at this time 4 The Green READY LED will illuminate when the tank temperature reaches the preset ready temperature Note The time required to heat the water initially will vary depending on the AC Power supplied to the dispenser While the tank is ...

Page 10: ...important that you have dispensed enough product to insure that the dispenser is fully functional and you are satisfied with the Flavor Profile of the mix product before enabling FlavorGard Once FlavorGard is enabled the dispenser will continuously monitor the mix product as it is being dispensed and adjust the metering pump speed to maintain a consistent mixed product thus eliminating factors suc...

Page 11: ...d 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 Ga...

Page 12: ...activate Select NO to deactivate Select YES or NO Place a 16 Oz 500 mL cup under the Left dispense tip then Pull the Left dispense handle Select YES or NO Place a 16 Oz 500 mL cup under the Right dispense tip then Pull the Right dispense handle Normal Display for LCA models No Chiller Normal Display for LCC models with Chiller Enter the desired Mix Ratio for the concentrate used in the Left dispen...

Page 13: ...to Find LF Target if sensor calibration is out of range Confirmsthatsensorcalibrationwasinrangeand accepted Scroll down to continue Set the volume to be dispensed during a Left Portion controlled dispense to 0 256 Oz or 0 7571 mL Set the volume to be dispensed during a Right Portion controlled dispense to 0 256 Oz or 0 7571 mL Sets the water Tank temperature 160 200 F or 71 93 C Sets the hot water...

Page 14: ...units Select YES or NO Select YES or NO 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 seconds then shut off automatically Collect and measure the water dis...

Page 15: ... this screen Selecting Yes will enable the Right Dispenser Calibration routine see Pump Calibration The Right 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 Right Pump in mL not Oz regardless of Preferred Units selected The Right Dispenser will dispense hot water for 20 second...

Page 16: ...N 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 Switch Diagnostic Activate switches separately to test Display will indicate which Switch has beenactivated NOTE DoorInterlockswitchmust be held closed RefillValveDiagnostic PressYEStomomentarily energize ...

Page 17: ...proper routing See Fig 3 7 Close the cabinet door 34766 112502 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 Pull the appropriate dispense ha...

Page 18: ...top of the drip tray b Momentarily press the Portion Switch The Portion LED will illuminate for 5 seconds after the Portion Switch is pressed c Momentarily pull the corresponding dispense handle then release If the user waits longer than 5 seconds to pull the handle the dispenser will default back to the Pull Hold Mode Portion Dispense Mode can be disabled at any time during the portion dispense b...

Page 19: ...ove the bag connector from the product box and disassemble or prop open the internal valve to allow free flowofproductthroughtheconnector NOTE Cuttingthematingfittingsfromanemptybagmakesanexcellent 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 pull the corr...

Page 20: ...iner plate aside 3 Depress the tension screw and remove it from the notch in the pump housing releasing the spring tension on the pump band 4 Open the compression band and gently pull the pump tube from around the pump s rotor 5 Inspect the pump 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 o...

Page 21: ...container with a minimum of five gallon capacity 5 Make sure drain clamp is closed Then remove drain plug 6 Direct tube into sink or container and open drain clamp Continue draining tank until ALL of the water is out Be very careful with the draining water because it can be very hot 7 Close drain clamp insert drain plug place drain tube back into machine and replace splash panel Note The dispenser...

Page 22: ... BIB Not properly connected Tubing kinked or blocked Right Refill LED ON Left BIB Empty Replace BIB see Loading the Concentrate Check BIB Connector Fittings Check Tubing Installation Check Empty BIB Threshold Concentrate BIB is Empty BIB Not properly connected Tubing kinked or blocked Left Refill LED ON Left BIB Empty Pull the Dispense Handle within 5 sec to dispense the pre selected volume Portio...

Page 23: ...ure 3 Tank Temp sensor failure 1 Water shut off to dispenser 2 Inlet Solenoid Valve failure 1 Corresponding Temperature Sensor Probe wire s broken or disconnected 1 Corresponding Temperature Sensor Probe wire s broken or disconnected Service Required Service Required Service Required Service Required Service Required Service Required Check water supply shut off Service Required Service Required Se...

Page 24: ...nsor Probe wire s shorted to housing or to each other 1 Corresponding Temperature Sensor Probe wire s shorted to housing or to each other 1 Motor failure 2 RPM Sensor failure 1 Motor failure 2 RPM Sensor failure 1 Thermoelectric Vents blocked 2 Ambient temperature too high 3 Fan failure 4 Thermoelectric chiller failure FINS TEMP SENSOR OUT OF RANGE CHECK FOR BAD CONNECTIONS TANK TEMP SENSOR OUT OF...

Page 25: ...ripping Discard the concentrate collected 4 Select NORMAL on the Function Selector Switch 5 LocatetheprogrammingmoduleandusetheArrowDownkeytoscrollthroughLCDscreensuntilCALLEFT 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 pull Left Dispense Handle momentarily The dispenser will run the Left Conc...

Page 26: ...llyturnontheLeftorRight REFILLLED seeOperatingControlsandInterface when thecorrespondingBIBisEmpty TheRefillmessageistriggeredwhentheFlavorGardTM sensorreadingdropsbelow the minimum setting The factory set minimum is 500 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...

Page 27: ...ire N 120 208 240V 3 Wire L2 208 240V 2 Wire Fuse 2 RED RED BLK RED BLK BRN WHI BRN WHI ORN BLU PNK BLK BLK VIO VIO BLK RED BLK BLK BLK GRN BRN BLK BRN BLK BLU BLK BLU BLK WHI GRY WHI GRY WHI RED WHI BLU WHI YEL WHI ORN t BLK BLK BLK BLK RED RED RED RED BLK BLK BLK BLK BLK BLK BLK WHI BLU 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 GR...

Page 28: ...LK GRN BRN BLK BRN BLK BLU BLK BLU BLK WHI GRY WHI GRY WHI RED WHI BLU WHI YEL WHI ORN t BLK BLK BLK BLK RED RED RED RED BLK BLK BLK BLK BLK BLK BLK WHI BLU J1 1 J1 5 J1 10 J1 16 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 BLK BLK BLK 10 AMP 10 AMP BLK 14 BLK 14 BLK 14 BLU 14 RED 14 RED 14 WHI WHI WHI RED RIGHT RPM SENSOR LEFT...

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