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SELECTING THE CORRECT PUMP TUBING

There are two pump tube sizes available for use with this dispenser. To determine the correct tubing for your

application, first determine the dispenser flow rate you intend to use, refer to Setting Dispenser Flow Rate. Then

look up the recommended tube size for the mix ratio of your concentrate, refer to the Tube Selection Chart.

Examples:

1. For a Dispenser Flow Rate of 2.5 Oz./sec (74 mL/sec) and a Mix Ratio of 35:1 – use 3/16” I.D. Tubing.

2. For a Dispenser Flow Rate of 1.8 Oz./sec (53 mL/sec) and a Mix Ratio of 60:1 – use 1/8” I.D. Tubing.

Tube kits can be purchased from BUNN-O-MATIC.

Part # 34727.1000 for 3/16” I.D. Tubing or #34728.1000 for 1/8” I.D. Tubing.

INSTALLING THE PUMP TUBING (Refer to the Tubing Installation Instructions in side the cabinet door for

details.)

1. Loosen the thumbscrew securing the tubing retainer plate to the pump housing. Set it and the retainer plate

aside.

2. Depress 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 M2531.0001) 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 tighten the thumbscrew.

7. Reconnect bag connector to the product box.

8. Repeat steps 1 through 7 for the other pump.

9. Prime the pumps. Refer to Priming the Concentrate Lines section.

TUBE SELECTION CHART

Dispense

Concentrate Ratios

Rate 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100

1.8 Oz/sec. 3/16” I.D. TUBING

1/8” I.D. TUBING

(53 ml/sec.)

2.5 Oz/sec. 3/16” I.D. TUBING

1/8” I.D. TUBING

(74 ml/sec.)

Remove Retaining Plate Release Spring Tension

Remove Tubing

Lubricate New Tube

Install New Tubing

Completed Installation

Thumbscrew

Lubricate between arrows

2.0”

Tension

Screw

Tube Clamp

Tension Screw

36026 101703

Содержание LCR-2

Страница 1: ...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 1 800 286 607...

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: ...lumbing Requirements 6 CE Requirements 6 Initial Set up 7 Electrical Hook up 7 Plumbing Hook up 7 Setting Dispenser Flow Rate 8 Selecting the Correct Pump Tubing 9 Operating Controls Interface 10 Initial Fill Heat 11 FlavorGard Feature 12 Rinse Alarm Feature 12 BIB Empty Lockout Feature 13 Brew Temperature Lockout Feature 13 Programming the Dispenser 14 Loading the Concentrate 20 Priming the Conce...

Страница 4: ...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 Artwork for P N 00656 0001 Artwork Rev A Drawn REF Date 04 22 10 33461 0002 33461 0003 To reduce the risk of electric shock do not remove or open cover No user serviceable parts inside Aut...

Страница 5: ... Heater wire and the White Fuse wire to the Top Red Terminal as shown 3 For 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 Optional Field Wiring 208 240 V 25 8 A 6200 W 1PH 2 Wire GND 60HZ or 120 208 240 V 25 8 A 6200 W 1PH 3 Wire GND 60HZ 28181 0003 USER NOTICES Cont Optional Field Wiring 230 V 26 A 6000 W 1PH 2 Wire GND 50 60HZ or 23...

Страница 6: ...nistration 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 Plumbing Sanitation Code for your area ELECTRICAL REQUIREMENTS Cont CAUTION The dispenser must remain disconnected from power source until specified in Electrical Hook Up The LCR 2A 3 Phase dispense...

Страница 7: ... 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 PLUMBING HOOK UP 1 Flush the water line to remove any debris or foreign mate...

Страница 8: ...e mix chamber back into position in the dispenser 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 Failure to properly replace and secure any of the above components may result leaks and or cause damage to the dispenser IfyouchangedtheDispenserFlowRate youwillneedtoreprogramthedispensertothen...

Страница 9: ...e 2 Depress 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 M2531 0001 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 rei...

Страница 10: ...d chiller WARNING The OFF Mode does not remove AC power from the dispenser Disconnect 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 ...

Страница 11: ...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 Note The time required to heat the water initially will vary depending on the AC Power supplied to the dispenser While the tank is...

Страница 12: ...actory preset range is 10 and is adjustable to a Max of 15 This insures that the FlavorGard system is not responding to factors that cannot be corrected by minor adjustments to the speed of the metering pump e g kinked hoses low water pressure severely worn tubes empty BIB s etc NOTE Changes to Concentrate Ratios or Dispenser Flow Rates will automatically disable FlavorGard You will need to re ena...

Страница 13: ...IB Warning Then enable the BIB Empty Lockout feature refer to the BIB Empty Lockout menu in Programming the Dispenser The dispenser will now Lockout dispensing and flash the Right or Left REFILL LED corresponding to the empty BIB Once the BIB has been replaced PRIME the concentrate line refer to Priming the Concentrate Lines and then dispense mixed product until the REFILL LED goes out NOTE If the...

Страница 14: ...t NO to deactivate Select YES or NO Place a 16 Oz 500 mL cup under the Left dispense tip then activate the Left dispenser Select YES or NO Place a 16 Oz 500 mL cup under the Right dispense tip then activate the Right dispenser Normal Display for LCR models Enter the desired Mix Ratio for the concentrate used in the Left dispenser 20 1 100 1 Enter Pump Tube Size to be used in the Left metering pump...

Страница 15: ...ATER DISP VOL 1 0 0oz WATER DISP VOL 2 0 0oz Use the or buttons to adjust the Normal Left volume Use the or buttons to adjust the Alternate Left volume Use the or buttons to adjust the Normal Right volume Use the or buttons to adjust the Alternate Right volume Use the or buttons to adjust the Normal Hot Water volume Use the or buttons to adjusttheAlternateHotWater volume Set the desired portion co...

Страница 16: ... minimum desired dispense temp Sets the Chilled Cabinet target temperature 38 50 F or 3 10 C SelectingResetwillcleartheCurrentaccumulated volumeofconcentratedispensedthroughtheLeft dispenser Gal Liters Displays the Total accumulated volume of concentratedispensedthroughtheLeftdispenser Not Re settable Gal Liters SelectingResetwillcleartheCurrentaccumulated volume of concentrate dispensed through t...

Страница 17: ...lect 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 seconds then shut off automatically Collect an...

Страница 18: ...concentrate measured from the Right Pump in mL not Oz regardless of Preferred Units selected The Right Dispenser will dispense hot water for 20 seconds then shut off automatically Collect and measure the water dispensed Enter the volume of the water measured from the Right dispenser in Oz mL Scroll down to bypass this screen The Hot Water Dispenser will dispense for 20 seconds then shut off automa...

Страница 19: ...elay 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 RefillValveDiagnostic PressYEStomomentarily energize the...

Страница 20: ... 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 21: ... Selector Switch to Normal 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 Mod...

Страница 22: ... quit dispensing then remove the container Push and Hold Dispensing of Coffee or Hot Water Push and Hold Dispense Mode See Programming Functions on how to set the Preset Volume to Zero 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 Push and hold the corresponding dispense switch until the c...

Страница 23: ...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 dispensed from the dispense tip 6 Repeat steps 4 and 5 with warm tap water 140 F 60 C to rinse the soapy water from the pump...

Страница 24: ...p bands for signs of wear Replace if necessary 6 Apply lubricant BUNN O MATIC part number M2531 0001 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 25: ...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...

Страница 26: ... inspection testing and repair of electrical equipment Shortingtheterminalsortheapplicationofexternalvoltagestoelectroniccomponentsmayresultincomponent 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 ...

Страница 27: ...y 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 Right Dispenser will not operate Right Refill LED FLASHING Empty BIB Lockout Enab...

Страница 28: ...large for the application 2 The Ratio selected for the Right Hand Dispenser is not correct for the application Refer to Selecting the Correct Pump Tubing section of the manual Refer to recommended Dispense Ratio on the product label Refer to Selecting the Correct Pump Tubing section of the manual Refer to recommended Dispense Ratio on the product label Refer to Selecting the Correct Pump Tubing se...

Страница 29: ...CUP FULL EMPTY CUP HEATING TIME TOO LONG CHECK HEATING CIRCUIT FILL TIME TOO LONG CHECK WATER SUPPLY TANK TEMP SENSOR OUT OF RANGE CHECK FOR BAD CONNECTIONS TANK TEMP SENSOR OUT OF RANGE CHECK WIRE FOR SHORTS LEFT BIB EMPTY REPLACE PRODUCT CHECK THRESHOLD RIGHT BIB EMPTY REPLACE PRODUCT CHECK THRESHOLD 1 Concentrate BIB is Empty 2 BIB Not properly connected 3 Tubing kinked or blocked 4 Empty BIB W...

Страница 30: ... Required Service Required Service Required Service Required 1 Corresponding Temperature Sensor Probe wire s broken or disconnected 2 Evaporator temperature too low EVAP TEMP SENSOR OUT OF RANGE CHECK FOR BAD CONNECTIONS 1 Corresponding Temperature Sensor Probe wire s broken or disconnected 2 Product cabinet temperature too low 1 Corresponding Temperature Sensor Probe wire s shorted to housing or ...

Страница 31: ...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 32: ... measured in STEP 16 21 Press Down Arrow Key again to exit the CAL LEFT SIDE functions Calibrating the Right Side Dispenser Repeat STEPS 1 21 above for the CAL RIGHT SIDE menus Field Calibration of the Concentrate Pumps Dispenser Flow Rates Continued 36026 120105 Field Calibrating the Hot Water Flow Rate 1 Locate the programming module and use the Arrow Down key to scroll through the LCD screen un...

Страница 33: ... 1 Remove the lower splash guard assembly to access the digital programming module with LCD display 2 Open the cabinet door and set the Function Switch to the Rinse position Close the door 3 Place a large container under the Left dispenser tip then activate and hold the left dispenser 4 Dispense long enough to rinse all the concentrate out of the mix chamber and for the Conductance reading to stab...

Страница 34: ...Y WHI VIO WHI YEL RED BLK ORN BLK RED WHI BLU WHI BLU BLK WHI RIGHT RPM SENSOR LEFT RPM SENSOR RED BLK BLK RED BLK GRN GRN SELECTOR SWITCH SELECTOR SWITCH RINSE PRIME NITE RUN N L2 L L1 V V UNIVERSAL POWER SUPPLY 1 2 3 4 5 6 7 YES EXIT NO TOUCHPAD GRN GRN SCHEMATIC WIRING DIAGRAM LCR 2 LCR 2 PC LCR 2C LCR 2C PC WHI ORN WHI YEL BLK BLK BLK ORN GRN WHI RED TAN WHI YEL WHI VIO WHI GRY GRN ORN RED BLK...

Страница 35: ...I GRY WHI VIO WHI YEL RED BLK ORN BLK RED WHI BLU WHI BLU BLK WHI RIGHT RPM SENSOR LEFT RPM SENSOR RED BLK BLK RED BLK GRN GRN SELECTOR SWITCH SELECTOR SWITCH RINSE PRIME NITE RUN N L2 L L1 V V UNIVERSAL POWER SUPPLY 1 2 3 4 5 6 7 YES EXIT NO TOUCHPAD GRN GRN WHI ORN WHI YEL BLK BLK BLK ORN GRN WHI RED TAN WHI YEL WHI VIO WHI GRY GRN ORN RED BLK WHI GRN WHI GRN BLK WHI BLK RED BLK ORN BLK RED WHI ...

Страница 36: ...36 36026 073107 ...

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