Instruction/ maintenance manual of the product AFPO-2 SL Bunn
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BUNN-O-MA TIC CORPORA TION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 FAX: (217) 529-6644 www .bunnomatic.com OPERA TING & SER VICE MANU AL AFPO-2 AFPO-2 SL AFPO-3.
2 INTRODUCTION This equipment supplies a liquid concentrate mixed with water at various ratios to the hoppers on the CDS-2 or CDS-3 dispensers. It is for indoor use only on a sturdy counter or shelf.
3 ELECTRICAL REQUIREMENTS CAUTION - The dispenser must be disconnected from the power sour ce until specified in Initial Set-Up. The 120 volt version of this dispenser has an attached cordset and requires 2-wire, grounded ser vice rated 120 volts ac, 15 amp, single phase, 60 Hz.
4 28791 040501 5. Connect one end of input hoses to the auto refill box and the other end to the product container. Product container connectors (BIB) are not supplied. Install your own interface. 6. Connect water line to auto refill box. A minimum of 20 psi (138 kPa) is required.
5 Mix ratio (water/flavor) Time for FLAVOR OUTPUT (1/2 cup) Time for WATER 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.
6 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 switches are located on the right of the front panel just above the main power switch.
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 Technical Service Department.
8 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE 6. Main ON/OFF switch 7. Probe box LOW/OFF/HIGH switches 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 SERVICE This section provides procedures for testing and replacing various major components used in this dispenser should service become necessary. Refer to Troubleshooting for assistance in determining the cause of any problem.
10 SERVICE CIRCUIT BOARD OFF OFF O N OFF OFF O N OFF OFF O N OFF OFF O N 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. Test Procedure: 1.
11 SERVICE Location: The fuse holder is located on the lower right front of the autofill box just to the left of the power cord. Test Procedure: 1. Disconnect the dispenser from the power source. 2. Remove cap and fuse from fuse holder. 3. Remove fuse from the cap.
12 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 F L A V O R I N P U T 1 2 W A T E R I N P U T R E F I L L M A I N .
13 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 F L A V O R I N P U T 1 2 W A T E R I N P U T R E F I L L M A I N P O W E R 2 1 1 2 3 3 3 F L A V O R O U T P U T F L A V O R O U T P U T W A T E R O U T P U T F L A V O R O U T P U T W A T E R O U T P U T W A T E R O U T P U T SERVICE (cont.
15 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 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 SERVICE (cont.) SOLENOID (W A TER) ON/OFF SWITCHES F L A V O R I N P U T 1 2 W A T E R I N P U T R E F I L L M A I N P O W E R 2 1 1 2 3 3 3 F L A V O R O U T P U T F L A V O R O U T P U T W A T E R O U T P U T F L A V O R O U T P U T W A T E R O U T P U T W A T E R O U T P U T FIG.
18 F L A V O R I N P U T 1 2 W A T E R I N P U T R E F I L L M A I N P O W E R 2 1 1 2 3 3 3 F L A V O R O U T P U T F L A V O R O U T P U T W A T E R O U T P U T F L A V O R O U T P U T W A T E R O U T P U T W A T E R O U T P U T SERVICE (cont.) TEST/OPERA TE ON/OFF SWITCH FIG.
19 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 other lead.
20 SERVICE (cont.) V ACUUM/SUPPL Y PUMP TUBE INST ALLA TION FIG. 24 TUBING START POSITION P1542 ROLLERS PUMP HEAD TUBING KEY ENTRY PORT EXIT PORT FIG. 25 TUBING LOADED ROTOR ROTOR SHAFT P1541 28791 040501 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, mounted on the left side of the solenoid mount- ing bracket just below the needle valves. Test Procedure: 1. Disconnect the dispenser from the power source.
22 F L A V O R IN P U T 1 2 W A T E R IN P U T F L A V O R O U T P U T F L A V O R O U T P U T W A T E R O U T P U T W A T E R O U T P U T R E F IL L M A IN P O W E R 2 1 1 2 BUNN ® M o v i n g P a r t s . D o n o t o p e r a t e u n i t w i t h t h i s p a n e l r e m o v e d .
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 GRN SOL #1 SOL #2 PUMP #1 PUMP #2 10 AMP MAIN ON/OFF SWITCH REFILL ON/OFF SWITCH #1 REFILL ON/OFF SWITCH #3 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 B.
25 28791 011500 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.
An important point after buying a device Bunn AFPO-2 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-2 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-2 SL - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bunn AFPO-2 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-2 SL will certainly help you make a decision on the purchase.
If you already are a holder of Bunn AFPO-2 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-2 SL.
However, one of the most important roles played by the user manual is to help in solving problems with Bunn AFPO-2 SL. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bunn AFPO-2 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
