Instruction/ maintenance manual of the product LCR-3 Bunn
Go to page of 27
LCR-3 HV INST ALLA TION & OPERA TING GUIDE BUNN-O-MA TIC CORPORA TION POST OFFICE BO X 3227 SPRINGFIELD , ILLINOIS 62708-3227 PHONE: (217) 529-6601 F AX: (217) 529-6644 T o ensure you have the lat.
2 41129 050511 BUNN-O-MA TIC 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 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 (40°C) maximum.
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 ONL Y 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 equipment and in this manual.
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 Diagram).
6 ELECTRICAL HOOK-UP CAUTION: Improper electrical installation will damage electronic components. 1. An electrician must provide electrical ser vice 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.
7 INST ALLING THE PUMP TUBING (Refer to the T ubing 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 , releasing the pump compression band.
8 OPERA TING CONTROLS AND INTERF ACE 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 fault messages.
9 INITIAL FILL & HEA T 1. Confirm the water supply is on. 2. Connect the dispenser to the power source. 3. T urn the Master ON/OFF Switch ON and select RUN on the Function Selector Switch. The LCD will display “T ank Filling – Please Wait!” and water will begin flowing into the tank.
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 operati on; see Programm ing the Dispenser to select the desired alarm mode.
11 BIB Empty Lockout Feature The dispenser can be set to not dispense product when the concentrate BIB is empty . T o 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 Lockout menu in 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.
13 ENTER P ASSWORD (-) 0 (+) SET P ASSWORD ? (-) 0 (+) 2 OR 3 PRODUCTS? (2) EXIT (3) SELECT UNITS ENG EXIT METRIC REFRIGERA TION ? 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 Protected.
14 PROGRAMMING (Continued) BibEMPTY LOCKOUT NO EXIT YES BREW LOCKOUT ? NO EXIT YES ENERGY SA VER MODE NO EXIT YES E-SA VER IDLE TIME (-) 4 HRS (+) E-SA VER T ANK TEMP NO EXIT 140 Select (YES) to enabl.
15 LCD DISPLA Y ACTION DESCRIPTION The following functions are for diagnostic and troubleshooting purposes and typically do not have to be adjusted. Contact your local service agent for assistance before making changes to these functions.
16 LCD DISPLA Y ACTION DESCRIPTION PROGRAMMING (Continued) XXOVERFLOW > 155 (-) EXIT (+) XX REFILL -> 155 (-) EXIT (+) WTR ST ART DELA Y (-) .15SEC (+) WTR STOP DELA Y (-) .
17 LOADING THE CONCENTRA TE 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.
18 FILLING CAMBROS OR OTHER LARGE CONT AINERS 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.
19 CLEANING & PREVENT A TIVE 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.
20 REPLACING THE PUMP TUBING The pumps and tubing used in this dispenser are designed to give maximum per formance 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.
21 DRAINING THE HOT W A TER T ANK 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.
22 Check Pump & Flow Rate Calibration, refer to Field Calibration Procedures The calculated T arget RPM for the pump indicated is out of range ____ T ARGET RPM TOO HIGH !! Replace BIB, see Loading.
23 T roubleshooting (Continued) Service Required Service Required Replace T ubing 1. Pump Motor failure 2. RPM Sensor failure 3. T ubing pinched in rollers ____ PUMP F AUL T CHK PUMP WIRING CHK RPM SE.
24 EV AP TEMP SENSOR OUT OF RANGE CHECK FOR BAD CONNECTIONS CHECK WIRE FOR SHORTS COOL TEMP SENSOR OUT OF RANGE CHECK FOR BAD CONNECTIONS CHECK WIRE FOR SHORTS COOLER F AUL T! EV AP TEMP TOO HI CHECK .
25 Field Calibration of the Concentrate Pumps / Dispenser Flow Rates The factory set Default Values for the Pump & Dispenser Flow Rates are ver y 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 recalibrate the unit in the field.
26 Field Calibrating the Empty BIB W arning 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.
27 41129 110608 41172.0000C 10/08 © 2008 BUNN-O-MATIC CORPORA TION 208-240 VOL TS AC 3 WIRE + GND SINGLE PHASE 60HZ or 208-240 VOL TS AC 4 WIRE + GND THREE PHASE 60HZ J14-1 J14-7 J18-1 J18-9 J18-5 J1.
An important point after buying a device Bunn LCR-3 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bunn LCR-3 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Bunn LCR-3 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bunn LCR-3 you will learn all the available features of the product, as well as information on its operation. The information that you get Bunn LCR-3 will certainly help you make a decision on the purchase.
If you already are a holder of Bunn LCR-3, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Bunn LCR-3.
However, one of the most important roles played by the user manual is to help in solving problems with Bunn LCR-3. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bunn LCR-3 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
