Bunn LCR-3 - Manuals

Bunn LCR-3 – Manual in PDF format online.

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Manual

Manual Bunn LCR-3

Summary

Page 2 - MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.; The agents, dealers or employees of BUNN; SOLE OPTION AS SPECIFIED HEREIN, TO REPAIR, REPLACEMENT OR REFUND.

2 41129 050511 BUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows: 1) All equipment other than as specified below: 2 years parts and 1 year labor. 2) Electronic circuit and/or control boards: parts and labor for 3 years. 3) Compresso...

Page 3 - INTRODUCTION; CONTENTS

3 INTRODUCTION Always follow the Concentrate Manufacturer’s for recommendations for proper Storage and Shelf Life. The product Flavor Profile is extended by the refrigerated cabinet featured in the LCR-3. This dispenser is designed to operate at ambient temperatures from 32°F (0°C) minimum to 104°F ...

Page 4 - USER NOTICES; CHARGE; To reduce the risk of electric shock,; Do not operate; Risk Of Electrical Shock.; Disconnect power before; CAUTION; HOT LIQUIDS

4 Optional Field Wiring 120/208 V, 37.6 A, 7820 W 1PH, 3-Wire + GND, 60HZ 120/240 V, 43.2 A, 10400 W 1PH, 3-Wire + GND, 60HZ FOR USE ON INDIVIDUAL BRANCH CIRCUIT ONLY 120/208Y V, 32.8 A, 12000 W 3PH, 4-Wire + GND, 60HZ 28181.0004 37947.0002 USER NOTICES Carefully read and follow all notices on the e...

Page 5 - PLUMBING REQUIREMENTS; made by this type of device may restrict water flow.; ALTERNATE LOCATION FOR THE WATER AND ELECTRICAL CONNECTIONS

5 ELECTRICAL REQUIREMENTS CAUTION: The dispenser must remain disconnected from power source until specified in Electrical Hook-Up. The LCR-3 HV is shipped configured for 3 Phase operation. The internal terminal block must be rewired for 208/240V – 1Phase applications, (see Optional Field Wiring Diag...

Page 6 - NOTE; LEVELING THE DISPENSER

6 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 conduct...

Page 7 - INSTALLING THE PUMP TUBING; DRIP TRAY INSTALLATION; Optional Drip Tray Drain; THE COUNTER AND/OR FLOOR UNDER THE DISPENSER.

7 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 the retainer plate aside. 2. Depress the tension screw and remove it from the notch in the pump body...

Page 8 - OPERATING CONTROLS AND INTERFACE; Hot Water Handle: Pull and Hold to dispense hot water manually.

8 OPERATING CONTROLS AND INTERFACE 1. Master ON/OFF Switch: Disconnects AC Power to the dispenser. 2. Hot Water Handle: Pull and Hold to dispense hot water manually. 3. Door Interlock Switch: Unit will not dispense product if the door is open. 4. LCD Display: Displays status, programming menus and f...

Page 9 - Connect the dispenser to the power source.

9 INITIAL FILL & HEAT 1. Confirm the water supply is on. 2. Connect the dispenser to the power source. 3. Turn the Master ON/OFF Switch ON and select RUN on the Function Selector Switch. The LCD will display “Tank Filling – Please Wait!” and water will begin flowing into the tank. 4. Once the ta...

Page 10 - Rinse Alarm Feature; Alarm Level

10 Rinse Alarm Feature Periodic rinsing of the mix chambers and dispense tips is essential for proper maintenance and optimum performance of the dispenser. The automated Rinse Alarm feature has three levels of operation; see Programming the Dispenser to select the desired alarm mode. Alarm Level Ala...

Page 11 - BIB Empty Lockout Feature; not; Brew Temperature Lockout Feature

11 BIB Empty Lockout Feature The dispenser can be set to not dispense product when the concentrate BIB is empty. To enable this feature, first calibrate the Empty BIB Threshold ( refer to Field Calibrating the Empty BIB Warning ). Then enable the BIB Empty Lockout feature ( refer to the BIB Empty Lo...

Page 12 - PROGRAMMING THE DISPENSER

12 PROGRAMMING THE DISPENSER Press the Right Hidden Switch for 5 sec. to enter the programming menu. Use the Left and Right hidden switches to scroll through the menu screens. Select Exit to leave the programming function and return to normal operations. NOTE 1: Flashing menu items indicate which se...

Page 13 - Rinse Alarm

13 ENTER PASSWORD (-) 0 (+) SET PASSWORD ? (-) 0 (+) 2 OR 3 PRODUCTS? (2) EXIT (3) SELECT UNITS ENG EXIT METRIC REFRIGERATION ? ON EXIT OFF DEICE CYCLE TIME (-) 120 MIN (+) RINSE ALARM ? NO EXIT YES RINSE TIME ? (-) 12 HRS (+) RINSE LOCKOUT ? NO EXIT YES The following functions can be Password Prote...

Page 17 - PRIME

17 LOADING THE CONCENTRATE 1. Thoroughly mix concentrate by vigorously shaking the product Bag-In-Box (BIB). 2. Pull the BIB connector through the hole provided in the box. 3. Open the dispenser door and locate the appropriate left, middle or right BIB Adapter fitting. 4. Connect the Adapter fitting...

Page 18 - FILLING CAMBROS OR OTHER LARGE CONTAINERS; Use as short a hose as possible with no loops, bends or kinks in it.; OPERATING THE DISPENSER; To Dispense Coffee; Place the appropriate container under the dispense tip.; To Dispense Hot Water; Place container under the hot water dispenser tip.

18 FILLING CAMBROS OR OTHER LARGE CONTAINERS The dispenser is designed primarily for containers that will fit under the dispense tip. However, it may be used to fill larger containers (up to 5 Gal) by use of an extension hose on the dispense tip. Care must be taken to insure that the mixed product f...

Page 19 - CLEANING & PREVENTATIVE MAINTENANCE; General Cleaning and Sanitizing Procedures; Programming Functions; RINSE; PREVENTIVE MAINTENANCE; Corporation at; Replace pump hoses every 6-Months or as needed.

19 CLEANING & PREVENTATIVE MAINTENANCE General Cleaning and Sanitizing Procedures Note: The BUNN® Liquid Coffee Dispenser incorporates a “user selectable” rinse reminder feature and can be set to disable dispensing when it is time to rinse. See Programming Functions to activate this feature. Dai...

Page 20 - REPLACING THE PUMP TUBING; Tube Replacement Instruction

20 REPLACING THE PUMP TUBING The pumps and tubing used in this dispenser are designed to give maximum performance and long life. However, the tubes are a wear item and must be replaced periodically. How long the tubes last is dependent on usage and properties of the concentrate. Excessive wear will ...

Page 21 - DRAINING THE HOT WATER TANK; Disconnect the dispenser from the power source.

21 DRAINING THE HOT WATER TANK 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 lower right access panel. 4. Pull out drain tube to empty in...

Page 22 - Troubleshooting; Screen Displayed

22 Check Pump & Flow Rate Calibration, refer to Field Calibration Procedures The calculated Target RPM for the pump indicated is out of range ____ TARGET RPM TOO HIGH !! Replace BIB, see Loading the Concentrate Check BIB Connector Fittings Check Tubing Installation Check Empty BIB Threshhold, se...

Page 23 - Field Calibration Procedures

23 Troubleshooting (Continued) Service Required Service Required Replace Tubing 1. Pump Motor failure 2. RPM Sensor failure 3. Tubing pinched in rollers ____ PUMP FAULT CHK PUMP WIRING CHK RPM SENSOR CHK TUBING AREA Check Pump & Flow Rate Calibration, refer to Field Calibration Procedures The ca...

Page 25 - Field Calibration of the Concentrate Pumps / Dispenser Flow Rates; Calibrating the Left Concentrate Pump

25 Field Calibration of the Concentrate Pumps / Dispenser Flow Rates The factory set Default Values for the Pump & Dispenser Flow Rates are very accurate and typically do not need to be field calibrated. However, if the mix ratio accuracy is ever in question, this procedure can be used to recali...

Page 26 - Field Calibrating the Empty BIB Warning; correct Empty BIB threshold.; Rinse; “COND” on the LCD to stabilize and stop dropping.

26 Field Calibrating the Empty BIB Warning The dispenser will automatically display LEFT, MIDDLE or RIGHT BIB Empty when the corresponding Concentrate BIB is Empty. The Refill message is triggered when the Conductance Sensor reading drops below the minimum setting. The factory set minimum is 600 and...