Page 2 - INTRODUCTION; The agents, dealers or employees of BUNN are
2 INTRODUCTION This equipment supplies a liquid mix to the hoppers on the ULTRA-2 dispenser. It is for indoor use only on asturdy counter or shelf. BUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows:1) All equipment other than as spe...
Page 3 - USER NOTICES; Push back until fully latched
3 00656.0000 00986.0000 USER NOTICES Carefully read and follow all notices on the equipment and in this manual. They were written for your protection.All notices are to be kept in good condition. Replace any unreadable or damaged labels. INITIAL SET-UP 1. Loosen auger motor cover screws. 2. Remove r...
Page 4 - OPERATING INSTRUCTIONS; ADJUSTMENTS
4 OPERATING INSTRUCTIONS 1. On the Ultra touch pad, make the following settings: a) POWER- "ON"b) DAY/NIGHT- "DAY" 2. Pull the Powder Auto-Fill fully forward on its sup- port rails and open the door. 3. Fill the Powder Auto-Fill product hopper as follows: a) Pull the slide gate close...
Page 6 - CLEANING; RECOMMENDED DAILY CLEANING AND MAINTENANCE TIPS; NOTICE
6 CLEANING RECOMMENDED DAILY CLEANING AND MAINTENANCE TIPS This should be done in conjunction with the recommended weekly cleaning of your ULTRA-2 machine. Removing and cleaning the whipper chamber (once a day): 1. Open the cabinet door.2. Pull the mixing chamber out of the whipper cham- ber. 3. Twi...
Page 8 - TROUBLESHOOTING; Keep away from combustibles.; WARNING –
8 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 12 - SERVICE; This section provides procedures for testing and; WARNING; - Disconnect the dispenser from the power; Contents; FIG. 1 COMPONENT LOCATIONS
12 SERVICE This section provides procedures for testing and replacing various major components used in this dis-penser should service become necessary. Refer toTroubleshooting for assistance in determining the causeof any problem. WARNING - Inspection, testing, and repair of electrical equipment sho...
Page 13 - AUGER DRIVE COMPONENTS; Install hopper assembly in the dispenser by sliding
13 SERVICE (cont.) FIG. 2 AUGER DRIVE COMPONENTS LocationThe auger drive components are located in the bot-tom of the hopper assembly. Removal, Cleaning and Replacement1. Open the dispenser door.2. Lift the hopper assembly over the retainer plates (16) on hopper support plate (12) and slide hopperas...
Page 14 - AUGER DRIVE MOTOR
14 FIG. 4 AUGER MOTOR P1922 AUGER DRIVE MOTOR Location: The auger motor is located on the right rear of the motor assembly mounting panel. Test procedures:1. Disconnect the dispenser from the power source.2. Check the voltage across the positive (red wire) terminal and the negative (black wire) term...
Page 15 - FROTHER AND MIXING/WHIPPER CHAMBER
15 FROTHER AND MIXING/WHIPPER CHAMBER FIG. 6 FROTHER AND MIXING/WHIPPER CHAMBER P1923 Location: The frother is located behind the dispenser door, mounted on the front panel and inside the whipperchamber. Removal, Cleaning and Replacement:1. Disconnect the dispenser from the power source.2. Open the ...
Page 16 - WHIPPER MOTOR
16 SERVICE (cont.) WHIPPER MOTOR FIG. 8 WHIPPER MOTOR P1924 Location: The whipper motor is located on the back side of the whipper motor mounting panel. Test Procedure:1. Disconnect the dispenser from the power source.2. Disconnect the white/red and white/brown wires of the main wiring harness from ...
Page 18 - CONTROL BOARD and LEVEL PROBE
18 SERVICE (cont.) CONTROL BOARD and LEVEL PROBE FIG. 11 CONTROL BOARD P1925 Location: The control board is located behind the rear panel, mounted on the back side of the hopper motor mount-ing panel. Test Procedure:Liquid Level Control1. Disconnect the dispenser from the power source.2. Disconnect ...
Page 22 - MAIN POWER ON/OFF SWITCH
22 SERVICE (cont.) FIG. 15 MAIN POWER ON/OFF SWITCH MAIN POWER ON/OFF SWITCH P1923 Location: The main power switch is located inside the dis- penser on the right of the whipper motor mountingpanel. Test Procedure:1. Disconnect the dispenser from the power source.2. Disconnect the black wires from th...
Page 23 - LAMP CORD ASSEMBLY
23 SERVICE (cont.) LAMP CORD ASSEMBLY FIG. 17 LAMP CORD ASSY P1891 Location: The lamp cord assembly is located in the top of the dispenser. Test Procedures:1. Disconnect the dispenser from the power source.2. Unplug the lamp cord assembly from lamp cord connector assembly. 3. Check for continuity ac...
Page 24 - LAMP CORD CONNECTOR
24 SERVICE (cont.) LAMP CORD CONNECTOR If continuity is present as described, the lamp cordconnector is operating properly. If continuity is not present as described, replace thelamp cord connector. Removal and Replacement:1. Disconnect the lamp cord assembly from the lamp cord connector. 2. Remove ...
Page 25 - LAMP HOLDER/SOCKET ASSEMBLY
25 SERVICE (cont.) If continuity is present as described, the lamp is oper-ating properly. If continuity is not present as described, replace thelamp. Removal and Replacement:1. Disconnect the lamp cord assembly from the lamp cord connector assembly in the top of the dis-penser. 2. Remove the displa...
Page 26 - TRANSFORMER
26 SERVICE (cont.) TRANSFORMER FIG. 23 TRANSFORMER P1930 Location: The transformer is located under the hopper sup- port panel mounted to the left of the whipper motor. Test Procedures:1. Disconnect the dispenser from the power source.2. Disconnect the four pin connector from the main wiring harness...
Page 27 - POTENTIOMETER
27 SERVICE (cont.) POTENTIOMETER FIG. 24 POTENTIOMETER P1931 Location: The potentiometer is located under the hopper support panel mounted to the left of the whipper motorand mounted on a bracket. Adjustments can be madeby removing the 0.50" plug located on the whippermotor mounting panel. Test ...
Page 28 - HOPPER LEVEL INDICATOR
28 SERVICE (cont.) HOPPER LEVEL INDICATOR FIG. 25 HOPPER LEVEL INDICATOR P1932 Location: The photo transistor and LED are located on the hopper side panels mounted just below the hopperguide rails. Test Procedures: Refer to the section CONTROL BOARD and LEVEL PROBE for test procedures. Removal and R...
Page 29 - HOPPER SWITCH
29 SERVICE (cont.) HOPPER SWITCH FIG. 26 HOPPER SWITCH P1933 Location: The hopper switch is located under the hopper support panel. Test Procedures:1. Disconnect the dispenser from the power source.2. Open the dispenser door and remove the hopper.3. Manually engage and release the hopper switch actu...
Page 30 - DOOR SWITCH
30 SERVICE (cont.) DOOR SWITCH FIG. 28 DOOR SWITCH P1934 Location: The door switch is located on the right side panel under the housing top cover. Test Procedures:1. Disconnect the dispenser from the power source.2. Disconnect the twelve pin connector (J1) from the control board. 3. Check continuity...
Page 31 - PRESSURE REGULATOR and NEEDLE VALVE
31 SERVICE (cont.) PRESSURE REGULATOR and NEEDLE VALVE FIG. 30 PRESSURE REGULATOR and NEEDLE VALVE P1935 Location: The pressure regulator and needle valve are located inside the rear panel at the bottom of the dispenser. Adjustments: The water pressure regulator is preset at the factory to produce 1...
Page 32 - DISPENSE SOLENOID VALVE
32 SERVICE (cont.) FIG. 31 DISPENSE SOLENOID VALVE P1935 DISPENSE SOLENOID VALVE Location: The dispense solenoid valve is located on the left side of the dispenser base inside of the rear cover. Test Procedures:1. Disconnect the dispenser from the power source.2. Disconnect the white/red and white/b...
Page 33 - SCHEMATIC WIRING DIAGRAM PAF; WIRING DIAGRAMS
33 120 VOLTS AC - 2 WIRE SINGLE PHASE, 60 HZ 29780.0000A 5/99 © 1999 BUNN-O-MATIC CORPORATION M BLK RED WHI/BRN BLK VIO J7 J1 J6 PNK C ON T RO L PC B O A RD WHI/REDWHI GRNGRNORN ORN WHI BLK WHI/BLK WHI/GRN BLU/BLK BLU/BLK RED/BLK RED/BLK GRY RED WHI/ORN WHI/ORN J2 WHI BLK 1 4 1 1 4 1 5 10 J3 BLK RED...
Page 34 - SCHEMATIC WIRING DIAGRAM PAFA
34 WIRING DIAGRAMS 230 VOLTS AC - 2 WIRE SINGLE PHASE, 50 HZ 29780.0001B 10/99 © 1999 BUNN-O-MATIC CORPORATION M BLK RED WHI/BRN BLK VIO J7 J1 J6 PNK C ON T RO L PC B O A RD WHI/REDWHI GRNGRNORN ORN WHI BLK WHI/BLK WHI/GRN BLU/BLK BLU/BLK RED/BLK RED/BLK GRY RED WHI/ORN WHI/ORN J2 WHI BLK 1 4 1 1 4 ...
