Bunn LCA-1 Installation & Operating Manual Download

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LCR-1

LCA-1

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-1

Page 1: ...est 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 44806 0001A 08 11 2011 Bunn O Matic Corporation ...

Page 2: ...s 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 r...

Page 3: ...ncentrate Lines 9 Initial Fill Heat 10 Rinse Alarm Feature 11 Programming the Dispenser 12 Operating the Dispenser 14 Cleaning Preventive Maintenance 15 Replacing the Pump Tubing 16 Replacing the Air Filter 16 Replacing the Water Filter 16 Calibrating the Dispenser 17 Troubleshooting Guide 19 Calibration of the Concentrate Pumps 21 Dispenser Flow Rate Calibration 21 Draining the Hot Water 22 Schem...

Page 4: ...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 Artwork for P N 00656 0001 Artwork Rev A Drawn REF Date 04 22 10 40054 0003 00824 0002 33461 0005 Moving Parts Do not operate unit with this panel removed Risk Of Electrical Shock Disconnect power before servici...

Page 5: ...c recommends 1 4 tubing from the 3 8 water supply line At least 18 inches of FDA approved flexible beverage tubing such as reinforced braided polyethylene or silicone before the dispenser will facilitate movement to clean the counter top 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 m...

Page 6: ...ectrical 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 hooked up later be sure the dispenser is disconnected from the power source If plumbing has been hooked up the dispenser is ready for Initia...

Page 7: ...e hot water only 3 Portion Switch Momentarily pushed to select a Portion dispense 4 Power LED Red illuminates when AC power is applied to dispenser 5 Ready LED Green illuminates when the water is with in 10 F of the desired water temperature 6 Warning LED Yellow illuminates when an error condition is detected 5 4 6 3 1 2 User Interface 44806 1 081211 ...

Page 8: ...ump b Normal Normal dispense mode Dispenses mixed product concentrate and water c Rinse Dispenses hot water only Flushes the dispense tip Right Sw a Run Normal operating position b Night Anti pilfering mode that disables dispensing but keeps heater and chiller operational c Program Enables programming and set up of the dispenser WARNING The NIGHT Mode does not remove AC power from the dispenser Di...

Page 9: ...nse tube Fig 3 10 Replace the cover plate and tighten thumbscrew 11 Route the BIB Adapter tube through the notch in the product shelf and re install the shelf Fig 4 12 Reconnect the BIB Adapter to the product BIB Fig 5 Note Replacement Tube Kits can be purchased from BUNN O MATIC Order part no 44713 1000 FIG 1 FIG 2 FIG 3 FIG 4 FIG 5 Remove Cover Release Tension Remove Tubing Lubricate New Tube In...

Page 10: ...minate 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 The LCR 1 will begin to cool the cabinet after a 3 min delay 5 The Green READY LED will illuminate when the tank temperature reaches the preset Ready temperature 5 4 1 44806 1 081211 ...

Page 11: ...2 Gal container under the dispense tip 3 Press and hold the Dispenser switch until water flow stops automatically approximately 20 sec NOTE The Warning LED will turn OFF when the Rinse procedure has been satisfied 4 Open the cabinet door and select Normal on the Selector switch close the door 4 1 Cabinet Target Temperature LCR 1 Only The LCR 1 is designed to HOLD Non shelf stable concentrate at th...

Page 12: ...ks out after two minutes of inactivity Press any button to activate the display LED DISPLAY DISPLAY MODE DESCRIPTION Home View LCR 1AlternatesbetweentheTankand Cabinet Temp LCA 1 Displays Tank Temp only Tank Temperature Displays Target Tank Temperature F Dispense Ratio Displays Dispense Ratio XXX 1 Portion Volume Displays Portion Dispense Volume XX X Oz Set to 0 0 to Disable Dispense Total Display...

Page 13: ... 180 F 82 C Range 120 200 F 49 93 C Ready Temp Tank Temp minus 10 F 5 5 C LED DISPLAY PROGRAM MODE DESCRIPTION Dispense Ratio Set Coffee Mix Ratio Default 30 1 Range 20 Max 100 Min Software Version Displays Software Version Exits To Home View After 3 Seconds Portion Volume Set Portion Dispense Volume Default 0 0 Disabled Range 16 0 40 0 Oz 0 5 1 2 L Dispense Total Hold Decrease Switch to Reset Tot...

Page 14: ...iner beneath the dispensing tip b Momentarily press the Portion Switch then momentarily press the Dispense Switch c Remove the cup or container NOTE If the user waits longer than 5 seconds to push the Dispense switch the unit will default back to the Push and Hold mode A Portion dispense can be aborted at any time by momentarily pushing the Dispense switch again d Wait for the container to fill an...

Page 15: ...he mating fittings from an empty bag makes an excel lent free flowing connector for this purpose 3 Place the connector into a 1 2 gallon 2 liter container of warm soapy tap water 140F 60C 4 Place a container under the dispense tip and activate the dispense switch until clean soapy water is dispensed from the dispense tip 5 Repeat steps 3 and 4 with warm tap water 140F 60C to rinse the soapy water ...

Page 16: ...mp tube from around pump rotor Fig 1 5 Inspect pump bands for signs of wear and replace if necessary 6 Apply lubricant BUNN O MATIC part no M2548 1000 to the middle section of the new pump tubing Fig 2 7 Wrap the new pump tubing around the rotor making sure the elbow is snug against the inlet of the pump Fig3 8 Depress tension screw and insert it in notch in the pump body reapplying spring tension...

Page 17: ...he RUN NIGHT PROGRAM Switch to the PROGRAM position and then hold both Up and Down Arrow switches until 1 r u n appears of the display approx 15 sec Pump Cal Enter mL collected from the 20 sec test above Default 22 Range 18 26mL Water Flow Rate Set PRIME NORMAL RINSE switch to RINSE position Place Graduated Cylinder under dispense tip Press and holdDispenseSwitchuntilpumpstops 20sec RefertoCalibra...

Page 18: ...t setting Reset by holding the Decrease switches for 10 sec Currently have to hold Delays the Pump turn off after a dispense Default 200 Range 1 999 mSec Reset Factory Defaults Displays current Software Version Exits To Home View After 3 Seconds Software Version Pump OFF Delay MENU 6 MENU _ 2 0 0 MENU XX X 44806 1 081211 ...

Page 19: ...Pump Error Motor or RPM Sensor failure Check motor and RPM Sensor wires for shorts loose or open connections Heating Time Too Long Tank Heater ON continuous for more than 1 hour Check heater wires for loose or open connections Fill Time Too Long Fill Valve ON continuous for more than 15 minutes Water turned OFF Refill Valve disconnected or faulty Tank Temp Sensor Error Sensor reading Out Of Range ...

Page 20: ...eck Air Filter plugged or blocked Cabinet door left open or faulty seal Wiringforshortsoropenconnections Evaporator iced up Ambient operating temperature is greater than 95 F 35 Cool Temp Sensor Failed MENU 6 E _ 0 MENU 7 _ 0 Sensor reading Out Of Range High or Low Check Sensor wires for shorts or open connections The Follow errors codes apply to the LCR 1 only E 44806 1 081211 ...

Page 21: ...nd depress the dispense switch until a steady stream of concentrate comes out the tip 5 to 10 seconds 5 Stop priming and allow the tip to stop dripping Discard the concentrate collected 6 Place a 50 ml graduated cylinder under the Dispense Tip 7 Press Hold the dispense switch The dispenser will display a 20 second count down timer and then shut the pump OFF automatically You can abort the calibrat...

Page 22: ...empty the graduated container and repeat STEPS 5 8 10 If the amount collected is still not within range inspect the dispense valves tubing and mix chamber for lime kinks or other obstructions 11 When satisfied with the volume of water collected press the Down Arrow switch The current Water Calibra tion volume 2 XX0 will be displayed 12 Use the or keys to adjust number displayed to the amount measu...

Page 23: ... BOARD CONTROL MAIN ORG ORG J4 1 J4 5 N O COM BLK 16 RINSE YEL J8 5 WHT GRY WHT GRN WHT GRN BLU GRY J11 5 J11 1 J8 10 J8 14 WHT VIO J8 1 J9 6 WHI BLK WHI YEL J9 4 J9 1 VIO GRN GRN BRN BRN PROGRAM NIGHT RUN NORMAL PRIME BLK PNK J10 1 J10 4 GRN PNK GRN WHT 1 WHT BLK WHT BLK WHT 16 120 V 1425 W TANK HEATER GRN N 1 SCHEMATIC WIRING DIAGRAM LCR 1 LCA 1 t LCR 1 ONLY PUMP MEMBRANE SWITCH DOOR DOOR CONTRO...

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