Instruction/ maintenance manual of the product AF PR-3 Bunn
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B UNN ® OPERA TING & SER VICE MANU AL BUNN-O-MA TIC CORPORA TION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 F AX: (217) 529-6644 28791.0001B 1/00 ©1998 Bunn-O-Matic Corporation AF PR-2 AF PR-3 AFPR-3 VERSION DISCONTINUED The information in this manual is no longer current.
2 INTRODUCTION This equipment supplies a premixed liquid product to the hoppers on the CDS-2 or 3 dispensers. It is for indoor use only on a sturdy counter or shelf.
3 INITIAL SET -UP NOTE: This refill unit should not be used to initially fill the hopper . Running the motor for extended periods will trip the thermal switch. The thermal switch will reset, but requires up to 30 minutes of cooling time. NOTE: Hoses, clamps and product container connectors are not supplied.
4 CLEANING RECOMMENDED WEEkL Y CLEANING: This should be done in conjunction with the recommended weekly cleaning of your CDS-2 or CDS-3 machine. The CDS 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 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.
6 PROBLEM 1. Empty product container 2. No power or incorrect voltage to the dispenser 3. Signal cable unplugged 4. Hopper is full 5. Fuse and fuse holder 6. Main ON/OFF switch 7. Probe box LOW/OFF/HIGH switch - es 8. Circuit board 9. Vacuum switches 10.
7 SERVICE This section provides procedures for testing and replacing various major components used in this dispenser should service become necessar y .
8 Removal and Replacement: 1. Disconnect the ten pin plug from the main wiring harness to the circuit board. 2. Remove the six #4-40 screws and spacers securing the circuit board to the solenoid mounting bracket.
9 FIG. 4 FUSE HOLDER FUSE AND FUSE HOLDER P1561 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 sour ce. 2. Remove cap and fuse from fuse holder .
10 Removal and Replacement:: 1. Remove the wires from the switch terminals. 2. Compress the clips inside the autofill box and gently push the switch through the opening 3. Push the new switch into the opening and spread the clips to hold switch in the autofill box.
11 FIG. 8 PROBE SWITCHES 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.
12 SERVICE (cont.) REFILL SWITCHES FIG. 12 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 sour ce. 2. Disconnect the two white/red, brown/black or red/ black wires from the switch terminals.
13 SERVICE (cont.) V ACUUM/SUPPL Y PUMP ASSEMBL Y FIG. 16 V ACUUM/SUPPL Y PUMP ASSEMBL Y P1560 Location: The vacuum/supply pumps are located inside the autofill box. T est Procedure: 1. Disconnect the dispenser from the power sour ce. 2. Disconnect the white wire from the pump lead and the yellow , orange or red wire from the other lead.
14 SERVICE (cont.) V ACUUM/SUPPL Y PUMP TUBE INST ALLA TION 1. Separate the pump head from the pump body . Hold pump head as shown in Fig. 18, with roller in the 2, 6 10 o’clock positions. 2. Wrap tubing around rollers and hold as shown in Fig. 18. 3.
15 V ACUUM SWITCHES FIG. 16 V ACUUM SWITCHES Location: The vacuum switches are located inside autofill box, mounted on the left side of the mounting bracket. T est Procedure: 1. Disconnect the dispenser from the power sour ce. 2. Disconnect flavor input lines.
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An important point after buying a device Bunn AF PR-3 (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 AF PR-3 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 AF PR-3 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bunn AF PR-3 you will learn all the available features of the product, as well as information on its operation. The information that you get Bunn AF PR-3 will certainly help you make a decision on the purchase.
If you already are a holder of Bunn AF PR-3, 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 AF PR-3.
However, one of the most important roles played by the user manual is to help in solving problems with Bunn AF PR-3. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bunn AF PR-3 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
