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Bunn AFPO-3 SL - 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 A I 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 ...
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Bunn AFPO-3 SL - page 2
2 41093 030912 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 othe ...
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Bunn AFPO-3 SL - 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 .. ...
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Bunn AFPO-3 SL - 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 ...
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Bunn AFPO-3 SL - page 5
5 F LA VO R INPUT 1 2 W AT ER INPU T REFILL MAIN POWE R 2 1 1 2 3 3 3 FLA VO R OUT P UT FLA VO R OUT P UT W AT ER OUTP UT FLAVO R OUTP UT WA T ER OUTP U T WAT ER OUT P UT 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 ...
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Bunn AFPO-3 SL - page 6
6 FLA VOR INPUT 1 2 WAT E R INPUT REFILL MAIN POWER 2 1 1 2 3 3 3 FLA VOR OUTPUT FLA VOR OUTPUT WAT E R OUTPUT FLA VOR OUTPUT WAT E R OUTPUT WAT E 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 sw ...
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Bunn AFPO-3 SL - 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 Service Department. • Inspection, testing, and repair ofelectrical equipmentshould ...
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Bunn AFPO-3 SL - 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 ...
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Bunn AFPO-3 SL - 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 P UT 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 U T WA TER OU T P U T 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 service become necessar y . ...
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Bunn AFPO-3 SL - page 10
10 J4 J1 J2 J3 OF F O N OF F O N OF F O N OF F O N SERVICE CIRCUIT BOARD FIG. 2 CIRCUIT BOARD P1520 Location: The circuit 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 ...
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Bunn AFPO-3 SL - page 11
11 FLAVOR INPU T 1 2 WATER INP UT REFILL MAI N POW ER 2 1 1 2 3 3 3 FLAV OR OUTPUT FLAV OR OUT PUT W ATER OUTPUT F L A VOR OUT PUT W A T ER OUT PUT WATER OUT PUT 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 dispenser from the power s ...
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Bunn AFPO-3 SL - page 12
12 FLAVOR INPU T 1 2 WATER INP UT REFILL MAI N POW ER 2 1 1 2 3 3 3 FLAV OR OUTPUT FLAV OR OUT PUT W ATER OUTPUT F L A VOR OUT PUT W A T ER OUT PUT WATER OUT PUT P1522 FIG. 7 MAIN ON/OFF SWITCH TERMINALS BLKfromFuseHolder BLKtoSolenoid(Water) Switch #2 AFPO-2 & 3 MAIN ON/OFF SWITCH FIG. 6 MAIN ON/OFF SWITCH P1516 Location: The ...
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Bunn AFPO-3 SL - page 13
13 BU N N ® Mov ing P a rts . D o no t op e ra t e unit w ith this pa ne l rem oved. Ris k Of Ele ct r ica l Sho ck . D iscon nec t po w er befor e ser vi ci ng u nit. CH ARG E Type R22, Am ou nt _ _ OZ. Design Pr ess ur es: High _ _ L o w _ _ Suctio n Pr es su re _ _ Probe Boxes: 1. Disconnect the signal cable from the probe boxes. 2. Remove prob ...
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Bunn AFPO-3 SL - page 14
14 FLA VO R IN PU T 1 2 W A T E R IN P UT R EF ILL M AIN PO W E R 2 1 1 2 3 3 3 FLA V O R O UTP UT FLA VO R O U TP UT W A T ER O U TP UT FLA VO R O UTP U T W A T ER O UTP U T W A T ER O UTP U T 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 bo ...
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Bunn AFPO-3 SL - page 15
15 FLAVOR INPUT 1 2 WATER INP UT RE FI LL MAI N POW ER 2 1 1 2 3 3 3 FLAV OR OUT PUT FLAV OR OUT PUT WATER OUT PUT FLAV OR OUT PUT WATER OUT PUT WATER OUT PUT 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 ...
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Bunn AFPO-3 SL - page 16
16 FLA VO R IN PU T 1 2 W A T E R IN P UT R EF ILL M AIN PO W E R 2 1 1 2 3 3 3 FLA V O R O UTP UT FLA VO R O U TP UT W A T ER O U TP UT FLA VO R O U TPU T W A T ER O UTP UT W A T ER O UTP U T SERVICE (cont.) SOLENOIDS FIG. 16 SOLENOIDS Location: The solenoids are located inside the autofill box. T est Procedure: 1. Disconnect the dispenser from t ...
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Bunn AFPO-3 SL - page 17
17 FLA VO R IN PU T 1 2 W A T E R IN P UT R EF ILL M AIN PO W E R 2 1 1 2 3 3 3 FLA V O R O UTP UT FLA VO R O U TP UT W A T ER O U TP UT FLA VO R O UTP U T W A T ER O UTP U T W A T ER O UTP U T 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 ...
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Bunn AFPO-3 SL - page 18
18 FLA VO R IN PU T 1 2 W A T E R IN P UT R EF ILL M AIN PO W E R 2 1 1 2 3 3 3 FLA V O R O UTP UT FLA VO R O U TP UT W A T ER O U TP UT FLA VO R O UTP U T W A T ER O UTP U T W A T ER O UTP U T SERVICE (cont.) TEST/OPERA TE ON/OFF SWITCH FIG. 20 TEST/OPERA TE SWITCH Location The test/operate switch is located inside the autofill box on the right s ...
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Bunn AFPO-3 SL - page 19
19 FLA VO R IN PU T 1 2 W A T E R IN P UT R EF ILL M AIN PO W E R 2 1 1 2 3 3 3 FLA V O R O UTP UT FLA VO R O U TP UT W A T ER O U TP UT FLA VO R O UTP U T W A T ER O UTP U T W A T ER O UTP U T 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 autofi ...
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Bunn AFPO-3 SL - 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, ...
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Bunn AFPO-3 SL - page 21
21 V ACUUM SWITCHES FIG. 26 V ACUUM SWITCHES Location: The vacuum switches are located inside autofill box, mounted on the left side of the solenoid mounting bracket just below the needle valves. T est Procedure: 1 . Disconnect the dispenser from the power source. 2. Disconnect flavor input lines. 3. Disconnect white/red, red/black or the brown/b ...
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Bunn AFPO-3 SL - 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 ...
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Bunn AFPO-3 SL - 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 ...
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Bunn AFPO-3 SL - page 24
24 41093 040408 ...
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Bunn AFPO-3 SL - 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 ...
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