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Related Manuals for Bunn AF PR-2
Summary of Contents for Bunn AF PR-2
- Page 1 AF PR-2 ® AF PR-3 AFPR-3 VERSION DISCONTINUED The information in this manual is no longer current. OPERATING & SERVICE MANUAL BUNN-O-MATIC CORPORATION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 FAX: (217) 529-6644 28791.0001B 1/00 ©1998 Bunn-O-Matic Corporation...
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Page 2: Warranty
SPECIFIED HEREIN, TO REPAIR OR, AT BUNN’S SOLE OPTION, REPLACEMENT OR REFUND. In no event shall Bunn be liable for any other damage or loss, including, but not limited to, lost profits, lost sales, loss of use of equipment, claims of Buyer’s customers, cost of capital, cost of down time, cost of substitute equipment, facilities or services, or any other special, incidental or consequential damages. -
Page 3: Initial Setup
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. -
Page 4: Troubleshooting
Replace the tubing when necessary. 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. •... -
Page 5: Operating Controls
OPERATING CONTROLS P2052 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 circuit to operate independently of the other. - Page 6 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY 1. Empty product container Replace or refill Product will not dispense 2. No power or incorrect voltage to (A1) Check the outlet for 120 volts the dispenser on two wire 120 volt dispenser. (A2) Check the outlet for 200 volts or 240 volts ac for two wire 200 volt or 240 volt dispensers.
- Page 7 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. WARNING - Inspection, testing, and repair of electri- cal equipment should be performed only by qualified service personnel.
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Page 8: Circuit Board
SERVICE CIRCUIT BOARD 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. Remove circuit board and discard. 3. -
Page 9: Fuse And Fuse Holder
SERVICE FUSE AND FUSE HOLDER Removal and Replacement: Fuse: 1. Remove the cap from the fuse holder. 2. Remove fuse from the fuse holder, inspect, if blown discard. 3. Install new 10 amp fuse in the fuse holder. 4. Reinstall fuse holder cap. Fuse Holder: 1. -
Page 10: Main On/Off Switch
SERVICE (cont.) MAIN ON/OFF SWITCH If voltage is present as described, proceed to #5. If voltage is not present as described, refer to the wir- ing diagrams and check the dispenser wiring harness. 5. Check for continuity across the switch terminals with the switch in the “ON”... -
Page 11: Probe System
SERVICE (cont.) PROBE SYSTEM 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. - Page 12 SERVICE (cont.) wires to the switch terminals. REFILL SWITCHES If continuity is not present as described, replace the switch. 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 in the front of autofill box.
- Page 13 SERVICE (cont.) a) 120 volts ac for two wire 120 volt models. VACUUM/SUPPLY PUMP ASSEMBLY b) 200 to 240 volts ac for two wire 200 or 240 volt models. If voltage is present as described, replace the pump. If voltage is not present as described, refer to the wiring diagrams and check the main wiring harness.
- Page 14 SERVICE (cont.) VACUUM/SUPPLY PUMP TUBE INSTALLATION 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. ROLLERS 2. Wrap tubing around rollers and hold as shown in PUMP Fig.
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Page 15: Vacuum Switches
SERVICE (cont.) Removal and Replacement: VACUUM SWITCHES 1. Disconnect dispenser from the power source. 2. Remove the four thumb screws securing the right side pump head to the right side pump. 3. Disconnect the input tube from the pump to vacuum switch to be removed. - Page 16 28791.1 011500...
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