Bunn LCC-2 LP Installation And Operating Manual Download

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BLU/BLK-16

RED-22

WHT/BLK-22

WHT/BLU-22

WHT/BLU-22
WHT/BLK-22
TAN-22

SWITCH & LED

BOARD

RED/BLK-18

RIGHT PUMP

RPM SENSOR

LEFT PUMP

RPM SENSOR

WHT/RED-18

BRN/WHT-18

BRN/BLK-18

GRN

RED
BLK

RED

GRN

BLK

WHT/RED-18

RED-22
WHT/BLK-22

RED/BLK-18

BRN/WHT-18

BRN/BLK-18

TAN-22

WHT/BLK-22

WHT/BLU-22

J2-4

J2-1

J7-4

J7-1

J6-16

J6-5

J6-10

J6-1

LIMIT THERM.

WHT/BLK-18

INLET VALVE

HOT WATER

SOL

RIGHT VALVE

LEFT VALVE

SOL

BLK-16

BRN/BLK-18

WHT/BLK-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

RED
BLK

Cold Shoe

Thermistor

Heat Sink

Thermistor

RINSE

WHT/VIO-22

J8-5

WHT/GRAY-22

WHT/BLK-22

GRAY-22

BRN-20

RED-20

J8-10

J8-14

WHT/YEL-22

WHT/BLU-22

WHT/BLK-22

WHT/RED-22

J8-1

J9-12

BLK-22

VIO-22

BRN-20

RED-20

J9-5

J9-1

BLK-18

RED-18

YEL-22

BLU-22

BLK-18

RED-18

PROGRAM

NIGHT

RUN

WHT/BLK-22

WHT/RED-22

WHT/BLU-22

NORMAL

PRIME

YEL-22

WHT/YEL-22

BLU-22

LEFT

CONDUCTANCE

Heat Sink Fan

RIGHT

CONDUCTANCE

t°

ORN-22

PINK-22

J10-1

J10-4

GRN-22

WHT/ORN-22

GRAY-18

J2-5

J2-8

J2-1

WHT-18

RED-18

BLK-18

RED-18

WHT

BLK

t°

N/L2

BLK-18

WHT-18

GRAY-18

RED-18

-V

-V
GND

WHT-16

TANK HEATER

GRN

BLK-18

RED-18

SCHEMATIC WIRING DIAGRAM LCC-2 LP

120 VOLTS AC - 2 WIRE

SINGLE PHASE, 60 HZ

LEFT

PUMP

RIGHT

PUMP

THERMOELECTRICS

TANK

POWER SUPPLY

24 VDC, 180 WATTS

37935.1 082205

Summary of Contents for LCC-2 LP

Page 1: ...com 37935 0001C 08 06 2005 Bunn O Matic Corporation LCC 2 LP To obtain the Illustrated Parts Catalog visit the Bunn O Matic website at www bunn com This is absolutely FREE and the quickest way to obtain the catalog Contact Buun O Matic Corporation at 1 800 286 6070 to obtain a paper copy of the required Illustrated Parts Catalog mailed via U S Postal Service ...

Page 2: ...NG WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTY WRITTEN OR ORAL EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF EITHER MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE The agents dealers or employees of BUNN are not authorized to make modifications to this warranty or to make additional warranties that are binding on BUNN Accordingly statements by such indi...

Page 3: ...e 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 Dia...

Page 4: ... were written for your protec tion All notices are to be kept in good condition Replace any unreadable or damaged labels 37935 1 082906 00656 0000 00986 0002 11646 0002 37881 0000 USE COPPER WIRE ONLY FOR POWER SUPPLY CONNECTIONS 27508 0000 208 240V Models only 00870 0000 208 240V Models only ...

Page 5: ...ver to 47 3 ml sec 1 6 Oz sec and require a water supply source that can deliver a minimum of 1 7 gpm 6 4 lpm at the inlet fitting NOTE Bunn O Maticrecommends1 4 tubingfromthe3 8 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 f...

Page 6: ... 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 Initial Fill Heat PLUM...

Page 7: ...hes the mix chamber and dispense tip b Prime Dispenses concentrates only Primes the concentrate pump c Normal Normal dispense mode Dispenses mixed 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 Mod...

Page 8: ... 2 4 1 3 7 8 5 6 9 10 37935 1 082906 14 11 12 13 Master ON OFF Switch 208 240V Models only 15 ...

Page 9: ...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 other pump ...

Page 10: ... 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 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 37935 1 083005 ...

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: ...t 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 Alternates between Tank Temperature and Cold Shoe Temperature MENU 1 8 0 Tank Temperature Displays target Tank Temperature F MENU 0 1 1 8 0 Regular Dispense Ratio Displays Left Dispense Ratio XXX 1 MENU 0 2 3 8 Decaf Dispense Ratio Displays R...

Page 13: ...splays Software Version Exits To Home View After 3 Seconds MENU L C 0 x x LCD DISPLAY DISPLAY MODE DESCRIPTION Empty Product Threshold Displays Empty Product Threshold Default 600 MENU 0 8 6 0 0 PROGRAMMING THE DISPENSER Cont Display Mode Continued 37935 1 082905 Rinse Alarm Hrs DisplaysTheHoursBetweenRequired Rinses Default 0 OFF Alarm Disabled MENU 0 9 OFF ...

Page 14: ...ge 120 190 F Ready Temp Tank Temp minus 10 F MENU P 1 1 8 0 LCD DISPLAY PROGRAM MODE DESCRIPTION Left Regular Dispense Ratio Set Regular Coffee Ratio Default 38 1 Range 25 Max 50 Min MENU P 2 3 8 Right Decaf Dispense Ratio Set Decaf Coffee Ratio Default 38 1 Range 25 Max 50 Min MENU Cup Dispense Volume Set Cup Dispense Volume Default 0 0 Push Hold Range 0 0 16 0 Oz MENU P 4 0 0 0 Carafe Dispense V...

Page 15: ...ault 600 Range 100 Min 900 Max To check Conductance of Hot Water viewthedisplaywhilerinsing Setvalue to 100 above reading MENU P 8 6 0 0 Displays Software Version Exits To Home View After 3 Seconds MENU LC 0 x x Rinse Alarm Timer Default OFF Rinse Alarm Disabled Range 1 24 hrs Reminder Only No Lock Out To clear alarm set to RINSE Mode Press Left switch then Right switch for 15 seconds each MENU P ...

Page 16: ... 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 si...

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 dis...

Page 18: ...set the product container aside 3 Place the stainless steel drawtube into a one quart 1 liter container of warm soapy tap water 140 F 60 C 4 Place an empty container under dispense nozzle area and depress the corresponding dispense switch until the clean soapy water is dispensed from the dispense nozzle 5 Repeat steps 3 and 4 with warm tap water 140 F 60 C to rinse the soapy water from the pump tu...

Page 19: ...around the pump rotor Fig 3 4 Inspect the pump bands rollers and housing for contamination or signs of wear Clean or replace worn parts if necessary 5 Apply lubricant BUNN O MATIC part no M2531 0001 to the middle 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 t...

Page 20: ...l Enter mL collected from the 20 sec test above Default 22 Range 18 26mL MENU C 1 2 2 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 MENU C 2 r u n Right Decaf Pump Cal Enter mL collected from the 20 sec test above Default 22 Range 18 26mL MENU C 2 2 2 Left Regular Wa...

Page 21: ...ec test above Default 1 00 Range 0 90 1 10 Liters MENU C 4 1 0 0 Cooler Control Temperature Used to set the target temperature that the Product will be held at Default 35 F Range 30 40 F MENU C 5 0 3 5 Pump OFF Delay Delays the Pump turn off after a dispense Default 200 Range 1 999 mSec MENU C6 2 0 0 Reset Factory Defaults Resets all set up values to the Factory Default setting Hold both Increase ...

Page 22: ...k motor and RPM sensor wires for shorts or open connections MENU EC 0 0 1 Right Decaf Pump Failed Right Motor or RPM Sensor Failure Check motor and RPM sensor wires for shorts or open connections MENU EC 0 0 2 Heating Time Too Long Tank Heater ON Continuous For More Than 1 Hour Check heater wires for open connections MENU EC 0 0 3 Fill Time Too Long FillValveONContinuousForMoreThan 15 Minutes Wate...

Page 23: ...ng MENU EC 0 0 7 Cool Temp Sensor Failed Sensor Reading Out Of Range High or Low Faulty Sensor wiring MENU EC 0 0 8 Heat Sink Temp Sensor Failed Sensor Reading Out Of Range High or Low Faulty Sensor wiring MENU EC 0 0 9 Switch Board Failure Unable To Communicate With The Switch Board In The Door Faulty wiring between the Door and the Main Control Board MENU EC 01 0 37935 1 052305 ...

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: ...n 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 read ing 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: ...or RINSE WHT VIO 22 J8 5 WHT GRAY 22 WHT BLK 22 GRAY 22 BRN 20 RED 20 J8 10 J8 14 WHT YEL 22 WHT BLU 22 WHT BLK 22 WHT RED 22 J8 1 J9 12 BLK 22 VIO 22 BRN 20 RED 20 J9 5 J9 1 BLK 18 RED 18 YEL 22 BLU 22 BLK 18 RED 18 PROGRAM NIGHT RUN WHT BLK 22 WHT RED 22 WHT BLU 22 NORMAL PRIME YEL 22 WHT YEL 22 BLU 22 LEFT CONDUCTANCE 1 Heat Sink Fan RIGHT CONDUCTANCE t t ORN 22 PINK 22 J10 1 J10 4 GRN 22 WHT O...

Page 27: ...VIO 22 J8 5 WHT GRAY 22 WHT BLK 22 GRAY 22 BRN 20 RED 20 J11 5 J11 1 J8 10 J8 14 WHT YEL 22 WHT BLU 22 WHT BLK 22 WHT RED 22 J8 1 J9 12 BLK 22 VIO 22 BRN 20 RED 20 J9 5 J9 1 BLK 18 RED 18 YEL 22 BLU 22 BLK 18 RED 18 CONDUCTANCE PROGRAM NIGHT RUN WHT BLK 22 WHT RED 22 WHT BLU 22 NORMAL PRIME YEL 22 WHT YEL 22 BLU 22 LEFT 1 Heat Sink Fan CONDUCTANCE RIGHT THERMOELECTRICS t t ORN 22 PINK 22 J10 1 J10...

Page 28: ... RINSE WHT VIO 22 J8 5 WHT GRAY 22 WHT BLK 22 GRAY 22 BRN 20 RED 20 J11 5 J11 1 J8 10 J8 14 WHT YEL 22 WHT BLU 22 WHT BLK 22 WHT RED 22 J8 1 J9 12 BLK 22 VIO 22 BRN 20 RED 20 J9 5 J9 1 BLK 18 RED 18 YEL 22 BLU 22 BLK 18 RED 18 CONDUCTANCE PROGRAM NIGHT RUN WHT BLK 22 WHT RED 22 WHT BLU 22 NORMAL PRIME YEL 22 WHT YEL 22 BLU 22 LEFT 1 Heat Sink Fan CONDUCTANCE RIGHT THERMOELECTRICS t t POWER SUPPLY ...

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