Bunn AFPO-3 - Manuals - manualsarea.com

Page 2 - workmanship for two years from the date of installation.; USER NOTICES

2 INTRODUCTION This equipment supplies a liquid concentrate mixed with water at various ratios to the hoppers on the CDS-2 orCDS-3 dispensers. It is for indoor use only on a sturdy counter or shelf. WARRANTY Bunn-O-Matic Corp. (“Bunn”) warrants the equipment manufactured by it to be commercially fre...

Page 4 - To change mix ratio refer to; MIX RATIO ADJUSTMENTS; from the test hose, check that the gauge reads 20.

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. NOTE: Make sure al...

Page 5 - Formula for setting mix ratio:; To obtain the time for dispensing 1 cup of water, divide the time it

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. or obtain time p...

Page 6 - OPERATING CONTROLS

6 OPERATING 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.These allow each circu...

Page 7 - TROUBLESHOOTING; WARNING –

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-MaticTechnical Service Department. • Inspection, testing, and repair of electr...

Page 9 - SERVICE; This section provides procedures for testing and; WARNING; - Disconnect the dispenser from the power; Contents; FIG. 1 COMPONENT ACCESS

9 SERVICE This section provides procedures for testing and replacing various major components used in thisdispenser should service become necessary. Refer toTroubleshooting for assistance in determining thecause of any problem. WARNING - Inspection, testing, and repair of electri- cal equipment shou...

Page 10 - CIRCUIT BOARD

10 SERVICE CIRCUIT BOARD OFFOFF O N OFFOFF O N OFFOFF O N OFFOFF 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 mountingbracket under the switch panel. Test Procedure:1. Disconnect the dispenser from the power ...

Page 11 - The fuse holder is located on the lower right front; FUSE AND FUSE HOLDER; Remove the nut securing the fuse holder to the

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.4. Check for continuity through the fu...

Page 13 - PROBE SYSTEM

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 ...

Page 15 - REFILL SWITCHES

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

Page 19 - VACUUM/SUPPLY PUMP ASSEMBLY

19 SERVICE (cont.) VACUUM/SUPPLY PUMP ASSEMBLY FIG. 22 VACUUM/SUPPLY PUMP ASSEMBLY P1521 Location: The vacuum/supply pumps are located inside the autofill box. Test Procedure:1. Disconnect the dispenser from the power source.2. Disconnect the white wire from the pump lead and the yellow, orange or r...

Page 20 - VACUUM/SUPPLY PUMP TUBE INSTALLATION; ROLLERS

20 SERVICE (cont.) VACUUM/SUPPLY PUMP TUBE INSTALLATION FIG. 24 TUBING START POSITION P1542 ROLLERS PUMPHEAD TUBINGKEY ENTRYPORT EXITPORT FIG. 25 TUBING LOADED ROTOR ROTORSHAFT P1541 28791 040501 2. Separate the two halves of the pump and carefully remove the tubing from within. 3. Hold the new pump...

Page 21 - VACUUM SWITCHES

21 VACUUM SWITCHES FIG. 26 VACUUM 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.2. Disconnect flavor input lines.3. Disc...

Page 23 - SCHEMATIC WIRING DIAGRAM; SINGLE PHASE

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 9J4-10 C I RCU I T BOARD L1 N BLK BLK BLK BLK BLK BLK SOLENOID SWITCH #2 PUMP SW ITCH #2 PUMP SW ITCH #1 TEST / OP E RA TE S W I TC H BRN/BLK BRN/BLK BRN/BLK VIO VIO BLK ...