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Bunn SLCA-7 manual

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Table of contents for the manual

  • Page 1

    SLCA-7 INST ALLA TION & OPERA TING MANU AL BUNN-O-MA TIC CORPORA TION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 F AX: (217) 529-6644 T o 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 web[...]

  • Page 2

    2 39328.3 070913 BUNN-O-MA TIC COMMERCIAL PRODUCT WARRANTY Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows: 1) Airpots, thermal carafes, decanters, GPR servers, iced tea/coffee dispensers, MCP/MCA pod brewers thermal ser vers and Thermofresh servers (mechanical and digital)- 1 year parts and 1 year labor . 2) All ot[...]

  • Page 3

    3 INTRODUCTION This equipment dispenses hot beverages or soups on demand from powdered product. It is indoor use only on a sturdy counter or shelf. T ABLE OF CONTENTS Introduction ............................................................................................................................................ 3 User Notices ..............[...]

  • Page 4

    4 As directed in the International Plumbing Code of the International Code Council and the Food Code Manual of the Food and Drug Administration (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 Plumb- i[...]

  • Page 5

    5 INITIAL SET -UP 1. Apply the four non-skid pads from the parts box to the bottom of the legs. 2. Remove the drip tray assembly and drip tray bracket from the parts box. 3. Place a set of key holes in the drip tray bracket over the lower two screws in the panel below the hopper ac- cess door; push down gently and tighten screws. ELECTRICAL REQUIRE[...]

  • Page 6

    6 OPERA TING CONTROLS AND INTERF ACE 1. Cup Size Buttons: Momentarily pushed to select beverage size to dispense. 2. Stop Button: Momentary pushed to stop dispensing. 3. Decaf Button: Momentarily pushed to select Decaffeinated coffee. 4. Dispense Buttons: Momentarily pushed to dispense selected beverage. 5. Decaf refill LED: Illuminates when left [...]

  • Page 7

    7 10 11 8 9 STOP MOCH A LA TTE ESPRESSO DECAF CAPPUCCINO MOCHA CAPPUCCINO HOT CHOCOL AT E BLACK COFFEE LA TTE SMALL LARGE 5 3 1 2 6 1 4 OPERA TING CONTROLS (Continued) 39328.3 012113[...]

  • Page 8

    8 INST ALLING PUMP TUBING 1. Loosen the thumbscrews securing the tubing retainer plates to the pump bodies and set the retainer plates aside. 2. Depress the tension screws and remove them from the notch in the pump body , releasing the spring tension on the pump bands. 3. Apply lubricant (BUNN-O-Matic part no. M2531.0001) to the middle section of t[...]

  • Page 9

    9 INITIAL FILL & HEA T 1. T urn on the water supply and connect the dispenser to the power sour ce. 2. Water will automatically flow into the tank to the proper level and then shut-off. This will take less than ten minutes. 3. A tank full of cold water will take approximately fifty minutes for the water to heat at 120 volts, approximately 15 [...]

  • Page 10

    10 SLCA-7 PROGRAMMING LED DISPLA Y PROGRAM MODE DESCRIPTION Program Mode: Used to change or enter new set-up values. T o enter the Program Mode , Set the RUN/NIGHT/PROGRAM Switch to the PROGRAM position, the unit will display “__PPP” to indicate it is in the Program Mode. Use the MENU switch to scroll to the next display . Use the Increase (+) [...]

  • Page 11

    11 PROGRAMMING (Continued) LED DISPLA Y PROGRAM MODE DESCRIPTION MENU (-) (+) 6 0 3 0 MENU (-) (+) 7 0 3 0 MENU (-) (+) 8 0 1 0 MENU (-) (+) 9 0 1 0 MENU (-) (+) 0 1 4 5 0 MENU (-) (+) 1 1 1 0 MENU (-) (+) 2 1 1 0 5. 1. Left Dispense Ratio Right Dispense Ratio Left Espresso Ration Right Espresso Ration Empty Product Threshold Small Cup Dispense Tim[...]

  • Page 12

    12 PROGRAMMING (Continued) LED DISPLA Y PROGRAM MODE DESCRIPTION MENU (-) (+) 3 1 8 MENU (-) (+) 4 1 5 MENU (-) (+) 5 1 2 4 MENU (-) (+) 6 1 1 MENU (-) (+) 7 1 # MENU (-) (+) 8 1 0 4. 3 MENU (-) (+) MENU (-) (+) 9 0 1 2 0 8. L 6 O 1. 0. 0 # # Powder Whipper Delay Off Powder Auger Motor Delay on Rinse Alarm Timer Power Up Delay Cup Count Small Cup E[...]

  • Page 13

    13 PRIMING THE CONCENTRA TE LINES 1. Open the dispenser door . 2. Select Prime on the Function Selector Switch and Run on the Mode Selector Switch. 3. Close the dispenser door . 4. Place a container under the dispense tip. 5. Activate the appropriate dispense button, "Small" cup button for Left Pump, "Large" cup button for Right[...]

  • Page 14

    14 DRAINING THE HOT WA 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. Open front door and place Main Power Switch in the OFF position and let the water in the tank cool before draining. 3. Shut off and disconnect the incoming water supply . 4.[...]

  • Page 15

    15 CLEANING & PREVENT A TIVE MAINTENANCE General Cleaning and Sanitizing Procedures Note: The BUNN¨ SLCA-7 dispenser incorporates a “user select- able” rinse reminder feature, which flashes the LED’ s on the front panel when it is time to rinse. Daily: RINSING 1. Open the front door and place the Normal/Program/Rinse switch in the RINSE[...]

  • Page 16

    16 Weekly: Parts W ashing and Sanitizing 39328.3 012113 14. When reassem- bling parts, be sure to align arrow on frother disk with flat on whipper mo- tor shaft, and rotate tab on whipper base clock wise to the vertical position to lock mixing cham- ber . 10. Remove dispense hoses from dispense nozzle assembly . 9. Rotate tab on mix- ing chamber b[...]

  • Page 17

    17 REPLACING THE PUMP TUBING The pumps and tubing used in the 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 tube last is dependent on usage and properties of the concentrate. Excessive wear will reduce the output of the pumps resulting in a weak[...]

  • Page 18

    18 MENU (-) (+) CALIBRA TING THE DISPENSER CALIBRA TION MODE: The SLCA-7 is calibrated at the factory and does not normally need to be re-calibrated. T o enter the Calibration Mode , Set the RUN/NIGHT/PROGRAM Switch to the PROGRAM position and then hold the MENU switch down for 10 seconds. LED DISPLA Y CALIBRA TION MODE DESCRIPTION MENU (-) (+) 1 C[...]

  • Page 19

    19 LED DISPLA Y CALIBRA TION MODE DESCRIPTION MENU (-) (+) 4 C r u n MENU (-) (+) 4 C MENU (-) (+) 5 C E 0 0 MENU (-) (+) 6 C - - MENU (-) (+) P C 0 X X CALIBRA TING THE DISPENSER (Continued) - Right Coffee Water Rate Right Coffee Water Rate Displays fault Reset Factory Defaults Set PRIME-NORMAL-RINSE switch to RINSE position Press the LARGE button[...]

  • Page 20

    20 TROUBLESHOOTING GUIDE Error Codes When an error has occurred, all Door LED’ s will be flashing. Open the Door to access the LED Display and re- cord the Error Code. Refer to the list of Error Codes below to identify the problem. A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems encountere[...]

  • Page 21

    21 Field Calibration of the Concentrate Pumps, Dispenser Flow Rates, and Hopper Powder Throw 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 reca- librate the unit in the[...]

  • Page 22

    22 Calibrating the Dispenser Flow Rates Decaf Coffee - Dispenser Flow Rate Calibration 1. Select RINSE on the Function Selector Switch, and PROGRAM of the Mode Selector Switch. Depress and Hold the MENU switch for approximately 10 sec. The unit will display “C1 run” when it has entered the Cali- bration Mode 2. Press the MENU button to display [...]

  • Page 23

    23 9. Install the coffee BIB’ s into the unit, and prime the pumps. Dispense several cups of both regular coffee and Decaf coffee. If either one or both the DECAF and HOT CHOCOLA TE LED illuminates during this process and dispensing is disabled, the EMPTY PRODUCT WARNING can be reset by priming the appropriate pump momentarily . 10. After several[...]

  • Page 24

    24 ELECTRICAL WIRING DIAGRAM SLCA-7 39328.3 012113 1 5 8 1 5 10 15 20 1 5 10 14 1 5 10 12 5 1 1 5 +V +V -V -V GROUND N/L2 L1 COM N.O. MAIN CONTROL BOARD J15 J3 J1 1 J6 J5 J11 J4 10 1 5 MENU (-) (+) J14 J13 J16 3 2 7 3 1 6 4 10 5 8 WHI/BLU WHI/BLK RED WHI/BLU WHI/BLU WHI/BLK BL KB LK WHI WHI RIGHT RPM SENSOR MEMBRANE SWITCH WHI RED GRY LIMIT THERMOS[...]