Bunn nitron 2 Installation & Operating Manual
  1. Manuals
  2. Brands
  3. Bunn Manuals
  4. Coffee Maker
  5. nitron 2
  6. Installation & operating manual

Bunn nitron 2 Installation & Operating Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

INSTALLATION & OPERATING GUIDE
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601
FAX: (217) 529-6644
To ensure you have the latest revision of the Operating Manual, or to view the Illustrated Parts
Catalog, Programming Manual, or Service Manual, please visit the Bunn-O-Matic website, at
www.bunn.com. This is absolutely FREE, and the quickest way to obtain the latest catalog and
manual updates. For Technical Service, contact Bunn-O-Matic Corporation at 1-800-286-6070.
54261.0001A
09/17 ©2017 Bunn-O-Matic Corporation

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the nitron 2 and is the answer not in the manual?

Questions and answers

Related Manuals for Bunn nitron 2

Summary of Contents for Bunn nitron 2

  • Page 1 To ensure you have the latest revision of the Operating Manual, or to view the Illustrated Parts Catalog, Programming Manual, or Service Manual, please visit the Bunn-O-Matic website, at www.bunn.com. This is absolutely FREE, and the quickest way to obtain the latest catalog and manual updates. For Technical Service, contact Bunn-O-Matic Corporation at 1-800-286-6070.

  • Page 2: Warranty

    AS SPECIFIED HEREIN, TO REPAIR, 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: Table Of Contents

    To prevent damage, the door should remain in its individual packaging until it is ready for installation. This package also includes the drip tray and grate, and the tapper handles for mounting onto the door of the dispenser. Save all packaging so that these items can be returned to Bunn-O-Matic. 54261.0001 090817...

  • Page 4: User Notices

    USER NOTICES Carefully read and follow all notices on the equipment and in this manual. They were written for your protec- tion. All notices are to be kept in good condition. Replace any unreadable or damaged labels. As directed in the International Plumbing Code of the International Code Council and the Food Code Manual of the Food and Drug Administration (FDA), this equipment must be installed with adequate...

  • Page 5: North American Requirements

    NORTH AMERICAN REQUIREMENTS • This appliance must be installed in locations where it can be overseen by trained personnel. • For proper operation, this appliance must be installed where the temperature is between 41°F to 95°F (5°C to 35°C). • Appliance shall not be tilted more than 10° for safe operation. •...

  • Page 6: Plumbing Requirements

    NOTE- At least 18 inches (457 mm) of an FDA approved flexible beverage tubing, such as reinforced braided polyethylene, before the dispenser will facilitate movement to clean the countertop. BUNN-O-MATIC does not recommend the use of saddle valves to install the dispenser. The size and shape of the hole(s) made in the supply line(s) by saddle valves may restrict water flow.

  • Page 7: Electrical Requirements

    ELECTRICAL REQUIREMENTS CAUTION: The dispenser must be disconnected from the power source until specified in Electrical Hook-Up. The 120V rated dispensers have an attached cord set and require a 2-wire, grounded, individual branch circuit rated 120 volts ac, 15 amp, single phase, 60Hz. The receptacle must be within 6 feet of the machine. The mating connector is NEMA 5-15R.

  • Page 8: Set Up Instructions

    SET-UP INSTRUCTIONS 1. After connecting to a filtered water source (see PLUMBING REQUIREMENTS), turn on the water supply to the dispenser. 2. Connect the Nitrogen source to the dispenser, but DO NOT turn on the Nitrogen supply or open the tank’s valve until specified.
  • Page 9 9. Load product into both stations of the dispenser. Prime each side with product by pulling the tapper handle until you see finished product flowing from the dispense nozzle. 10. Dispense a drink at each station and check the Brix by using the Ratio Dispense Test or the Brix Dispense Test (see Appendix A).

  • Page 10: Door Cover Installation

    DOOR COVER INSTALLATION 1. Install door cover by first plugging the LEDs from 2. Install door cover and secure the door cover us- the door into the black connectors with RED/BLACK ing 5 screws provided. wires 3. Connect tapper handle switches to harness in 4.

  • Page 11: Plumbing Hookup

    PLUMBING HOOKUP The water connection is located on the rear of the dispenser. A 3/8" (9.52 mm) male flare adapter fitting is supplied, installed on the rear of the dispenser. NOTE - Water pipe connections and fixtures directly connected to a potable water supply shall be sized, installed and maintained in accordance with federal, state and local codes.

  • Page 12: Operating Controls

    OPERATING CONTROLS Compressor/Water Bath Switch The refrigeration switch is located on the Electrical Panel of the dispenser near the Circuit Board. This switch controls power to the water bath pump and relay contacts for the compressor and condenser fan motor. Refrigeration Switch Product Dispense Tap Handles Pulling and holding tap handle will initiate product flow from the respective nozzle;...
  • Page 13 OPERATING CONTROLS (Continued) Dispense Lockout Switch This switch is located inside the door at the top. It is used to turn ON and OFF the Dispensing function. It is also used for fill procedures. Dispense Lockout Switch Program Switch This switch is located near the main control board next to the refrigeration switch.

  • Page 14: Cleaning & Preventive Maintenance

    CLEANING & PREVENTIVE MAINTENANCE Daily: Rinse Procedure Tools required: 32 oz. (946 ml) minimum empty container 1. Open dispenser door. Lift up on product containers and remove them from the machine. 2. Wipe down the internal compartment of the cabinet and the concentrate container’s inlet adapter(s) area. 3.
  • Page 15 14. Pull the plastic elbows from the old pump tubing, and discard the old pump tubing. 15. Insert the plastic elbows into the new pump tubing and secure it with the clamps. NOTE: Obtain new parts using the Illustrated Parts Catalog listed at www.bunn.com. 16. Gently wrap the new pump tubing around the pump’s rotor.

  • Page 16: Adjustments & Optional Settings

    NOTE: Purge all dispense stations to remove air from water line before making initial adjustments. 1. Place a graduated measuring cup or the large chamber of the empty brixing cup (BUNN-O-MATIC part number 33095.0000) under the appropriate dispense nozzle. Place the Program switch in the ON position.

  • Page 17: Loading

    “out of ratio” drink. Ambient Concentrates (Optional) 1. Install an Ambient Concentrate Conversion Kit (BUNN-O-MATIC part number 33699.0002) per the instruc- tions provided in the kit. 2. Attach the concentrate product hose to the appropriate concentrate line located at the rear of the dispenser.
  • Page 18 ADJUSTMENT & OPTIONAL SETTINGS (cont) Ratio Dispense Test Set Up Procedure 1. Place the Program switch in the ON position. 2. Water flow rate should be factory pre-set to 133 ml (4.5 oz) per 3 second dispense. To verify, place a graduated measuring cylinder under the dispense nozzle, pull and release the tapper handle 3 times.

  • Page 19: Fault Codes

    DISPENSER FAULT CODES NOTE: All LED flashing sequences include a 3-second delay between flash codes. 1. Bath Sensor Open – 1 flash of the circuit board mounted bath LED’s and 1 flash of the door mounted blue LED’s. Possible Cause(s): Bath sensor not connected to the main board. Bath sensor failed. 2.

  • Page 20: Troubleshooting

    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 qualified service personnel.
  • Page 21 TROUBLESHOOTING (cont.) PROBLEM REMEDY PROBABLE CAUSE 1. Compressor ON/OFF switch. Refrigeration Check for "ON" position or no con- Dispense stations not working. tinuity - replace switch. Note: Cooling failure or excessive 2. Dirty condenser filter or fins. bath and cabinet temperatures for Clean filter and fins or replace con- more than 4 hours will result in denser filter.
  • Page 22 TROUBLESHOOTING (cont.) PROBLEM REMEDY PROBABLE CAUSE Dispenser Locked Out 1. Check Dispense Lockout switch. (A) Set switch to ON position. Dispense stations not working. (B) Check switch and harness for proper continuity. Cooling system failure. 1. Refrigeration or cold water recir- Check all previous items that pre- culation system.
  • Page 23 TROUBLESHOOTING (cont.) PROBLEM REMEDY PROBABLE CAUSE Dispense station Water solenoid Replace solenoid (24vdc) or check concentrate only wire connection between water valve and main control board. Dispense station Concentrate out Replace refill concentrate container water only or BIB Product pump not pumping Check for proper counterclockwise rotation of pump rollers.
  • Page 24 TROUBLESHOOTING (cont.) PROBLEM REMEDY PROBABLE CAUSE Water leak filling drip tray or around 1. Initial fill/setup Some expansion normal. May fill dispense deck area drip tray during initial ice block formation 2. Dispense deck Inspect or replace fittings clamps, o-rings, solenoids and quick discon- nect fittings.
  • Page 25 TROUBLESHOOTING (cont.) PROBLEM REMEDY PROBABLE CAUSE Unit is not working 1. Step-down transformer. Check for 120/24 or 230/24 vac. If no 24vac reading, replace step-down transformer. 2. Main control board. If 24 vac present and no LED’s lit, replace control board. Difficulty brixing and/or weak bev- 1.
  • Page 26 TROUBLESHOOTING (cont.) PROBLEM REMEDY PROBABLE CAUSE Only Water Flowing from Faucet 1. Bag-in-Box (BIB) or caddy is 1. Change BIB to full BIB or refill empty. the caddy with more product. 2. BIB or caddy is not engaged in 2. Lift BIB or caddy out of adapt- bottle adapter properly.
  • Page 27 TROUBLESHOOTING (cont.) PROBLEM REMEDY PROBABLE CAUSE Coffee is Weaker than Desired 1. BIB or caddy is empty. 1. Change to full BIB or replenish caddy with more product. 2. Product pump tubing is worn. 2. Contact authorized service agent or perform product tub- ing replacement if authorized to do so.
  • Page 28 TROUBLESHOOTING (cont.) PROBLEM REMEDY PROBABLE CAUSE Nothing Flowing from Nozzles 1. Dispense switch is OFF. 1. Turn Dispense switch ON. 2. Gas, coffee, and water not 2. Assure all required connec- connected. tions are made according to set-up instructions before op- erating the system.
  • Page 29 TROUBLESHOOTING (cont.) PROBLEM REMEDY PROBABLE CAUSE Irregular Flow from Nozzle 1. The product pump speed is set 1. Use a more appropriate con- 1. Flow is pulsating/ hammering too high (at max) to dispense centrate (between 4:1 to 11:1) a lower ratio product (below and adjust the product dial to 4:1).
  • Page 30 TROUBLESHOOTING (cont.) PROBLEM REMEDY PROBABLE CAUSE Unit Performing Inconsistently 1. System was installed/set-up 1. a) Install a water line that is (Brix/Nitro fluctuating wildly or incorrectly or has been placed in accordance with machine outside normal range) in an environment with unac- specifications.

  • Page 31: Coolant Diagram

    COOLANT SCHEMATIC DIAGRAM 54261.0001 090817...

  • Page 32: Schematic Wiring Diagram

    SWITCH PULL & HOLD BODY 120 VOLTS AC NITROGEN PRESSURE 220-230 VOLTS AC 2 WIRE SINGLE PHASE 54267.0000B 07/17 © 2017 BUNN-O-MATIC CORPORATION Thermal Transfer Stock W/Tape Over-Laminate Black Ink Finished Size: 6.5" x 6.0" ~ 40% Reduction 54261.0001 090817...

Table of Contents

Save PDF