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Bunn AFPO-3 SL manual

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Table of contents for the manual

  • Page 1

    AFPO-2 AFPO-2 SL AFPO-3 AFPO-3 SL F L AV O R IN P U T 1 2 W A T E R IN P U T RE FI LL M AI N PO W E R 2 1 1 2 3 3 3 FLA V O R OU T P U T F LA V O R O U T PU T WA T E R OU T PU T FL A V O R O U T P U T W A T ER O U T P U T W AT ER O U T PU T F LA VO R IN P UT 1 2 W A T E R IN P U T FL A V O R O U T P U T FL A V O R OU T PU T W A T E R O U T P U T W [...]

  • Page 2

    2 41093 041108 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) Compressors on refrigeration equipment: 5 years part[...]

  • Page 3

    3 USER NOTICES All notices on the equipment are written for your protection. All notices are to be kept in good condition. Replace any unreadable or damaged labels. CONTENTS User Notices .............................................................................................................................. 3 Preventive Maintenance Cleaning ..[...]

  • Page 4

    4 CLEANING RECOMMENDED WEEKL Y CLEANING: This should be done in conjunction with the recommended weekly cleaning of your machine. The Hoppers must be empty before starting. 1. Prepare a 1 gallon cleaning solution consisting of 1 gallon of hot water and a sanitizing cleaner which contains 3-5% chlorine based sanitizer . Mix per manufacturers instruc[...]

  • Page 5

    5 1 2 2 1 1 2 3 3 3 Mix ratio (water/flavor) Time for FLA VOR OUTPUT (1/2 cup) Time for W A TER OUTPUT (1 cup) 1+1 assume 20 sec. or obtain time per note below 40 sec. or 2 times flavor output time 2+1 assume 20 sec. or obtain time per note below 20 sec. or equal to flavor output time 3+1 assume 20 sec. or obtain time per note below 13.3 sec. or[...]

  • Page 6

    6 FLA VOR INPUT 1 2 WA TE R INPUT REFILL MAI N POWER 2 1 1 2 3 3 3 FLA VOR OUTPUT FLA VOR OUTPUT WA TE R OUTPUT FLA VOR OUTPUT WA TE R OUTPUT WA TE R OUTPUT OPERA TING CONTROLS A. MAIN POWER ON/OFF The main power ON/OFF switch is located on the right of the front panel just above the power cord. B. REFILL CIRCUIT ON/OFF The refill circuit ON/OFF s[...]

  • Page 7

    7 TROUBLESHOOTING A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic T echnical Ser vice Department. • Inspection, testing, and repair of electrical equipment should[...]

  • Page 8

    8 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE 6. Main ON/OFF switch 7. Probe box LOW/OFF/HIGH switch - es 8. Circuit board 9. Vacuum switch 10. Vacuum/Supply pump 11. Pump (flavor) start switches 1. No water 2. Needle valve 3. Solenoids 1. Motor overheat REMEDY Refer to Service - Main ON/OFF Switch for testing procedure. See page 13 Refer to Se[...]

  • Page 9

    9 FL A V O R INPU T 1 2 WAT ER IN P U T R EF IL L M AI N PO W E R 2 1 1 2 3 3 3 F LA VOR O U T PUT FL A V O R O UT P U T W AT E R O UT P U T FL A VO R OU T P UT WA T ER OU T P UT W AT ER O UT P U T SERVICE This section provides procedures for testing and replacing various major components used in this dispenser should ser vice become necessar y . R[...]

  • Page 10

    10 J4 J1 J2 J3 SERVICE CIRCUIT BOARD FIG. 2 CIRCUIT BOARD P1520 Location: The cir cuit board is located inside the autofill box, mounted on the right side of the solenoid mounting bracket under the switch panel. T est Procedure: 1. Disconnect the dispenser from the power source. 2. Disconnect the ten pin plug on the main wiring harness from the co[...]

  • Page 11

    11 FLAV OR I NPU T 1 2 W AT ER IN P UT R EF ILL M AI N PO W ER 2 1 1 2 3 3 3 FLA VO R OUTPUT FL AV OR OU T PU T W AT ER OUTP UT F L A VO R OU T PU T W A T ER OU T PU T W AT ER OU T PU T SERVICE Location: The fuse holder is located on the lower right front of the autofill box just to the left of the power cord. T est Procedure: 1. Disconnect the di[...]

  • Page 12

    12 FLAV OR I NPU T 1 2 W AT ER IN P UT R EF ILL M AI N PO W ER 2 1 1 2 3 3 3 FLA VO R OUTPUT FL AV OR OU T PU T W AT ER OUTP UT F L A VO R OU T PU T W A T ER OU T PU T W AT ER OU T PU T P1522 FIG. 7 MAIN ON/OFF SWITCH TERMINALS BLKfromFuseHolder BLKtoSolenoid(Water) Switch #2 AFPO-2 & 3 MAIN ON/OFF SWITCH FIG. 6 MAIN ON/OFF SW[...]

  • Page 13

    13 BU N N Probe Boxes: 1. Disconnect the signal cable from the probe boxes. 2. Remove probe box from CDS hopper . 3. Place the switch on the probe box in the “HIGH” position. 4. Check the resistance across the box cable pins, see Fig. 10. 5. With the probe box switch in the “LOW” position check the resistance across the pins, refer to Fig. [...]

  • Page 14

    14 1 2 2 1 1 2 3 3 3 SERVICE (cont.) PUMP (FLA VOR) ON/OFF SWITCHES Location: The pump (flavor) ST ART switches are located on the switch mounting plate inside the autofill box on the right side. T est Procedure: 1 . Disconnect the dispenser from the power source. 2. Disconnect the wires from the switch to be tested. 3. Check for continuity acros[...]

  • Page 15

    15 1 2 2 1 1 2 3 3 3 SERVICE (cont.) REFILL SWITCHES FIG. 14 REFILL SWITCHES Location: The refill switches are located on the upper right front of the autofill box. T est Procedures: 1. Disconnect the dispenser from the power source. 2. Disconnect the two white/red, brown/black or red/black wires from the switch terminals. 3. Connect the dispense[...]

  • Page 16

    16 1 2 2 1 1 2 3 3 3 SERVICE (cont.) SOLENOIDS FIG. 16 SOLENOIDS Location: The solenoids are located inside the autofill box. T est Procedure: 1. Disconnect the dispenser from the power source. 2. Disconnect the white/violet, violet or blue wire and the white wire from the solenoid. 3. Connect the dispenser to the power sour ce. Press the solenoid[...]

  • Page 17

    17 1 2 2 1 1 2 3 3 3 SERVICE (cont.) SOLENOID (WA TER) ON/OFF SWITCHES FIG.18 SOLENOID (WA TER) ON/OFF SWITCHES P1521 Location: The solenoid (water) ON/OFF switches are located on the switch mounting plate inside the autofill box on the right side. T est Procedure: 1. Disconnect the dispenser from the power source. 2. Disconnect the wires from the[...]

  • Page 18

    18 1 2 2 1 1 2 3 3 3 SERVICE (cont.) TEST/OPERA TE ON/OFF SWITCH FIG. 20 TEST/OPERA TE SWITCH Location The test/op erate switch is located insid e the autofil l box on the right side. T est Procedures: 1. Disconnect the dispenser from the power source. 2. Remove the black wire from the top center switch terminal. 3. Connect the dispenser to the po[...]

  • Page 19

    19 1 2 2 1 1 2 3 3 3 SERVICE (cont.) V ACUUM/SUPPL Y PUMP ASSEMBL Y FIG. 22 V ACUUM/SUPPL Y PUMP ASSEMBL Y P1521 Location: The vacuum/supply pumps are located inside the autofill box. T est Procedure: 1. Disconnect the dispenser from the power source. 2. Disconnect the white wire from the pump lead and the yellow , orange or red wire from the othe[...]

  • Page 20

    20 SERVICE (cont.) V ACUUM/SUPPL Y PUMP TUBE INST ALLA TION FIG. 24 TUBING ST ART POSITION P1542 ROLLERS PUMP HEAD TUBING KEY ENTRY PORT EXIT PORT FIG. 25 TUBING LOADED ROTOR ROTOR SHAFT P1541 2. Separate the two halves of the pump and carefully remove the tubing from within. 3. Hold the new pump head as shown in Fig. 24, with rollers in the 2, 6, [...]

  • Page 21

    21 V ACUUM SWITCHES FIG. 26 V ACUUM SWITCHES Location: The vacuum switches are located inside autofill box , mount ed on the lef t side of th e solen oid mou ntin g bracket just below the needle valves. T est Procedure: 1 . Disconnect the dispenser from the power source. 2. Disconnect flavor input lines. 3. Disc onnect whi te/red , red/bla ck or [...]

  • Page 22

    22 PIPING DIAGRAM (AFPO-2) The only difference between the AFPO-2/3 and AFPO-2/3 SL is the SL models have a water output line and a flavor output line for each product. This allows the water and flavor to be mixed in the hoppers. Refer to the illustration below when connecting the lines. 41093 040408[...]

  • Page 23

    23 GRN SOL #1 SOL #2 PUMP #1 PUMP #2 10 AMP MAIN ON/OFF SWITCH REFILL ON/OFF SWITCH #1 REFILL ON/OFF SWITCH #2 J4-1 2 3 4 5 6 7 8 9 J4-10 C I R C U I T B O A R D L1 N BLK BLK BLK B L K B L K B L K SOLENOID SWITCH #2 PUMP SW ITCH #2 PUMP SW ITCH #1 T E S T / O P E R A T E S W I T C H BRN/BLK BRN/BLK BRN/BLK VIO VIO BLK ORN BLU BLU YEL RED/BLK RED/BL[...]

  • Page 24

    24 41093 040408[...]

  • Page 25

    25 GRN SOL #1 SOL #2 PUMP #1 PUMP #2 10 AMP MAIN ON/OFF SWITCH REFILL ON/OFF SWITCH #1 REFILL ON/OFF SWITCH #2 J4-1 2 3 4 5 6 7 8 9 J4-10 C I R C U I T B O A R D L1 L2 BLK BLK BLK B L K B L K B L K SOLENOID SWITCH #2 PUMP SW ITCH #2 PUMP SW ITCH #1 T E S T / O P E R A T E S W I T C H BRN/BLK BRN/BLK BRN/BLK VIO VIO BLK ORN BLU BLU YEL RED/BLK RED/B[...]