Instruction/ maintenance manual of the product AFPO-3 SL Bunn
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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.
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 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 ................................................................
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 .
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.
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.
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.
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.
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 .
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.
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.
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 BLKfromFuseHolder BLKtoSolenoid(Water) Switch #2 AFPO-2 & 3 MAIN ON/OFF SWITCH FIG.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 SOL.
24 41093 040408.
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 SO.
An important point after buying a device Bunn AFPO-3 SL (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 AFPO-3 SL 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 AFPO-3 SL - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bunn AFPO-3 SL you will learn all the available features of the product, as well as information on its operation. The information that you get Bunn AFPO-3 SL will certainly help you make a decision on the purchase.
If you already are a holder of Bunn AFPO-3 SL, 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 AFPO-3 SL.
However, one of the most important roles played by the user manual is to help in solving problems with Bunn AFPO-3 SL. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bunn AFPO-3 SL 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
