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Manual Bunn dispenser

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  • Bunn dispenser - page 1

    OPERA TING & SER VICE MANUAL 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 POWDER AUTO FILL ™ For UL TRA-2 BUNN ® 29793.0001B 08/02 ©2002 Bunn-O-Matic Corporation ...

  • Bunn dispenser - page 2

    2 INTRODUCTION This equipment supplies a liquid mix to the hoppers on the UL TRA-2 dispenser . It is for indoor use only on a sturdy counter or shelf. BUNN-O-MA TIC COMMERCIAL PRODUCT WARRANTY Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows: 1) All equipment other than as specified below: 2 years parts and 1 year la ...

  • Bunn dispenser - page 3

    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 rear plastic plug from trim strip between hopper d ...

  • Bunn dispenser - page 4

    4 OPERA TING 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 closed on the Powder Auto-Fill product hopper elb ...

  • Bunn dispenser - page 5

    5 ADJUSTMENTS When using the Powder Auto-Fill with a new powdered granita mix, follow the procedure outlined below to adjust the Powder Auto-Fill to produce the correct recipe. 1. Determine the mix ratio of powdered granita mix. Convert the recipe so that it is expressed in terms of weight units [grams (g), dry ounces (oz), or pounds (lbs)] of powd ...

  • Bunn dispenser - page 6

    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. Twist the whipper chamber clockwise and pull it off ...

  • Bunn dispenser - page 7

    7 F AUL T LIST Door Lamp Fault ON Normal operation - Powder Auto-Fill ready to dispense Flashes ON/OFF at 50% duty cycle Low product level in Powder Auto-Fill hopper Two flashes about every 2 seconds ULTRA/Powder Auto-Fill probe circuit open Three flashes about every 2 seconds Powder Auto-Fill hopper not in place Four flashes about every 2 seconds ...

  • Bunn dispenser - page 8

    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-Matic Technical Service Department. • Inspection, testing, and repair of electrical equipment should be performed only by qual ...

  • Bunn dispenser - page 9

    9 TROUBLESHOOTING (cont.) PROBABLE CAUSE REMEDY PROBLEM Product level in ULTRA is lower than level Probe - ULTRA running; Pow- der Auto-Fill door lamp flashes two times Product level in ULTRA is lower than level Probe - ULTRA running; Pow- der Auto-Fill door lamp flashes three times Product level in ULTRA is lower than level Probe - ULTRA running; ...

  • Bunn dispenser - page 10

    10 TROUBLESHOOTING (cont.) PROBABLE CAUSE REMEDY PROBLEM Powder Auto-Fill will not dispense product Dripping from dispense tip Water flows continuously 1. No water 2. No power or incorrect voltage to the dispenser. 3. Dispense Solenoid Valve 4. Control Board and Probe 5. Auger Drive 6. Transformer 7. Water Strainer (Optional) 1. Dispense Solenoid V ...

  • Bunn dispenser - page 11

    11 TROUBLESHOOTING (cont.) PROBABLE CAUSE REMEDY PROBLEM Product overflows ULTRA hopper Weak product Dispenser is making unusual noises Display not lit 1. Control Board and Probe 2. Dispense Solenoid Valve 1. Whipper Motor 2. Frother 3. Dispense Solenoid Valve 4. Auger Drive 5. Auger Spring 6. Auger Motor 7. Improper adjustment of product mix ratio ...

  • Bunn dispenser - page 12

    12 SERVICE This section provides procedures for testing and replacing various major components used in this dis- penser should service become necessary. Refer to Troubleshooting for assistance in determining the cause of any problem. WARNING - Inspection, testing, and repair of electrical equipment should be performed only by qualified ser- vice pe ...

  • Bunn dispenser - page 13

    13 SERVICE (cont.) FIG. 2 AUGER DRIVE COMPONENTS Location The auger drive components are located in the bot- tom of the hopper assembly . Removal, Cleaning and Replacement 1. Open the dispenser door. 2. Lift the hopper assembly over the retainer plates (16) on hopper support plate (12) and slide hopper assembly out the front of the dispenser. 3. Re ...

  • Bunn dispenser - page 14

    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) terminal on the auger motor with a voltmeter. With t ...

  • Bunn dispenser - page 15

    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 whipper chamber. Removal, Cleaning and Replacement: 1. Disconnect the dispenser from the power source. 2. Open the dispenser door and lift the front edge of the h ...

  • Bunn dispenser - page 16

    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 the black leads of the whipper motor. 3. With th ...

  • Bunn dispenser - page 17

    17 SERVICE (cont.) 13. Slide the slinger onto the motor shaft flush against the front panel. 14. Wash whipper chamber components in a mild solution of dish detergent using a bristle brush. 15. Rinse thoroughly and allow to dry before reinstall- ing in the dispenser. 16. Slide whipper chamber receptacle with seal and O- ring onto the motor shaft. 17 ...

  • Bunn dispenser - page 18

    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 Control 1. Disconnect the dispenser from the power source. 2. Disconnect the twelve pin connector (J1) from the control ...

  • Bunn dispenser - page 19

    19 SERVICE (cont.) CONTROL BOARD and LEVEL PROBE (cont.) Test Procedure: Low Product Detect 1. Disconnect the dispenser from the power source. 2. Disconnect the twelve pin connector (J1) from the control board. 3. Check the voltage across pins 2 & 3 of the twelve pin connector on the wiring harness with a voltmeter. Connect the dispenser to the ...

  • Bunn dispenser - page 20

    20 J2 J1 J3 J6 J7 SERVICE (cont.) CONTROL BOARD and LEVEL PROBE (cont.) Removal and Replacement: 1. Disconnect the dispenser from the power source. 2. Remove the two plugs (J1 and J7) from the main wiring harness, the potentiometer plug (J3), the photo transistor plug (J6), and the photo LED plug (J2) from the control board. 3. Remove the four #6-3 ...

  • Bunn dispenser - page 21

    21 SERVICE (cont.) TEST/SERVICE SWITCH FIG. 13 TEST/SERVICE SWITCH P1923 Location: The TEST/SERVICE switch is located on the left front of the whipper motor mounting panel. T est Procedure: 1. Disconnect the dispenser from the power source. 2. Disconnect the wires from the switch terminals. 3. Check for continuity between the center terminal and up ...

  • Bunn dispenser - page 22

    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 mounting panel. Test Procedure: 1. Disconnect the dispenser from the power source. 2. Disconnect the black wires from the main wiring harness. 3. With the switch in th ...

  • Bunn dispenser - page 23

    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 across the tip of the cord assembly and the housin ...

  • Bunn dispenser - page 24

    24 SERVICE (cont.) LAMP CORD CONNECTOR If continuity is present as described, the lamp cord connector is operating properly . If continuity is not present as described, replace the lamp cord connector . Removal and Replacement: 1. Disconnect the lamp cord assembly from the lamp cord connector. 2. Remove the six #8-32 screws securing the rear cover ...

  • Bunn dispenser - page 25

    25 SERVICE (cont.) If continuity is present as described, the lamp is oper- ating properly. If continuity is not present as described, replace the lamp. 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 display graphic from the dispenser door. 3. Open the ...

  • Bunn dispenser - page 26

    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 from the four pin connector on the transformer. ...

  • Bunn dispenser - page 27

    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 motor and mounted on a bracket. Adjustments can be made by removing the 0.50" plug located on the whipper motor mounting panel. Test Procedures: 1. Disconnect the dispenser from t ...

  • Bunn dispenser - page 28

    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 hopper guide rails. Test Procedures: Refer to the section CONTROL BOARD and LEVEL PROBE for test procedures. Removal and Replacement: 1. Disconnect the dispenser from the ...

  • Bunn dispenser - page 29

    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 actuator. The actuator must operate smoothly with- ...

  • Bunn dispenser - page 30

    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 between pins 8 & 9 on the wiring harness us ...

  • Bunn dispenser - page 31

    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 15 psi (103 kPa) of water pressure at the regulator ...

  • Bunn dispenser - page 32

    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/brown wires from the solenoid valve. 3. Check the ...

  • Bunn dispenser - page 33

    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 O N T R O L P C B O A R D WHI/RED WHI GRN GRN ORN 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 GRN M SOL WHI WHI BLK BLK BLK ...

  • Bunn dispenser - page 34

    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 O N T R O L P C B O A R D WHI/RED WHI GRN GRN ORN 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 GRN M SOL WHI ...

Manufacturer Bunn Category Water Dispenser

Documents that we receive from a manufacturer of a Bunn dispenser can be divided into several groups. They are, among others:
- Bunn technical drawings
- dispenser manuals
- Bunn product data sheets
- information booklets
- or energy labels Bunn dispenser
All of them are important, but the most important information from the point of view of use of the device are in the user manual Bunn dispenser.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Bunn dispenser, service manual, brief instructions and user manuals Bunn dispenser. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Bunn dispenser.

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A complete manual for the device Bunn dispenser, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Bunn dispenser by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Bunn dispenser.

A complete Bunn manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Bunn dispenser - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Bunn dispenser, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Bunn dispenser, that we can find in the current document
3. Tips how to use the basic functions of the device Bunn dispenser - which should help us in our first steps of using Bunn dispenser
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Bunn dispenser
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Bunn dispenser in a specific country, if it was not possible to solve the problem on our own.

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