Bunn HWB Installation & Operating Manual
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Bunn HWB Installation & Operating Manual

Bunn HWB Installation & Operating Manual

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HWB
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.
45398.0002A
11/15 ©2015 Bunn-O-Matic Corporation

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  • 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 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: User Notices

    USER NOTICES The notices on this dispenser should be kept in good condition. Replace unreadable or damaged labels. WARNING To reduce the risk of electric shock, do not remove or open cover. No user-serviceable parts inside. Authorized service personnel only. Disconnect power before servicing.

  • Page 4: Electrical Requirements

    CE REQUIREMENTS ELECTRICAL REQUIREMENTS • This appliance must be installed in locations where it can be overseen by trained personnel. CAUTION - The dispenser must be disconnected from the power source until specified in Electrical Hook-Up. • For proper operation, this appliance must be installed where the temperature is between 5°C to 35°C. The 120/208-240 volt version of this dispenser has an attached cordset.

  • Page 5: Plumbing Requirements

    .38” (9.52 mm) flare. NOTE - Bunn-O-Matic recommends 1⁄4” copper tubing for installations of less than 25 feet and 3⁄8” for more than 25 feet from the 1⁄2” water supply line. At least 18 inches of an FDA approved flexible beverage tubing, such as reinforced braided polyethylene or silicone, before the dispenser will facilitate movement to clean the countertop.

  • Page 6: Preventive Maintenance

    PREVENTIVE MAINTENANCE Bunn-O-Matic Corporation recommends that preventive maintenance be performed at regular intervals. Maintenance ® should be performed by a qualified service technician. For Technical Service, contact Bunn-O-Matic Corporation at ® 1-800-286-6070. NOTE: Replacement parts or service caused by failure to perform required maintenance is not covered by warranty.
  • Page 7 CLEANING The use of a damp cloth rinsed in any mild, non-abrasive, liquid detergent is recommended for cleaning all sur- faces on Bunn-O-Matic equipment. Do NOT clean this equipment with a water jet device. 1 x 24h 1. Rinse out Whipper Chambers by placing 1.
  • Page 8 WATER & POWDER CALIBRATION NOTE: You will need a gram scale and containers to catch powder and water. 1. Fill hoppers. 7. The unit will automatically dispense for ten sec- 2. Rinse all heads prior to calibration. onds. 3. Lift door, place switch in Program position. 4.

  • Page 9: Enter Weight

    WATER & POWDER CALIBRATION (Continued) 10. Remove mixing components from dispense head 13. Repeat for all stations. being tested. Tare catch cup and place under hop- per elbow of dispense head being tested. 14. Return Program switch to Normal. 15. Two large dispenses are required for auger mo- tors to adjust if new calibration values have been entered.

  • Page 10: Draining The Hot Water Tank

    HOPPER DISPENSE RATE OF PRODUCT The hopper dispense rates are preset at the factory. With 30 tooth gear and auger wire, the preset dispense rate is approximately 5 to 7 grams per second. The hopper dispense rates can be individually programmed to a range of dispense rates from approximately 1.5 to 12 grams per second, by following the procedures described in Programming Modes.

  • Page 11: Usb Function

    Prepare USB Flash Drive for Software Download. NOTE: Updating software or recipes will require re-calibration. 1. Open the front stainless steel door of the HWB machine and flip the toggle switches (located to the right of the head 5 whipper chamber) to their top positions (NORMAL and ON, respectively).
  • Page 12 Loading Software / Reprogramming The Machine 8. Take your thumb drive back over to the HWB unit and plug it in to the USB port on the machine. 9. Wait about five seconds for the thumb drive to pair up, then flip the top most toggle switch inside the ma- chine to the middle position (this will be the PROGRAM position), making sure that the bottom toggle switch is in the top position (this is the ON position).
  • Page 13 13. Press the HOT WATER button again to go to the screen that will allow you to reprogram the HWB machine. It will look like the following: REPRGM IMIXHWB0? EXIT YES 14. Press the REDUCED FILL button on this screen and the reprogramming process will start.
  • Page 14 NOTICE: Beyond that mentioned above, you will have to refer to specific documentation about the newly imple- mented functions or features that have been added in the new version of HWB software you are loading to ensure that they are properly installed, set up, and functional.
  • Page 15 Exporting to USB Enter Program mode, go to USB Menu Screen and press yes. If you press yes in the “EXPORT DRINKCNT?” screen. The drink counts will be exported to the flash drive and placed on the USB flash drive at “E:\BUNN_USB\IMIXHWB0\DRINKCNT\” and the file will be named DC######.TXT (where ###### is the six digit serial number of the machine the drink counter data was pulled from).
  • Page 16 ENTER USB MENU ? software version number of the USB lish communications with the USB Board EXIT USB VERS ##.## Board and the IMIX HWB main board Shows the total number of portion control PRESS FORWARD STOPPED DISPENSE dispenses that have been stopped...

  • Page 17: Programming The Dispenser

    PROGRAMMING THE DISPENSER The following function screens are in order of appearance. Each screen will have instructions on how to access, and the procedures to program the various functions of the dispenser. To enable programming, place the “NORMAL/PROGRAM/RINSE” switch in the “PROGRAM” position. IMPORTANT PROGRAMMING NOTES - READ CAREFULLY To exit the programming mode at any time, press and release the EXIT (any XL button) pad located on the front switch panel.
  • Page 18 PROGRAMMING THE DISPENSER (cont.) 1. ON/OFF/NIGHT switch: ON: Enables all dispenser functions. OFF: Disables all dispenser functions. NIGHT: Night Mode Energy Saver disables display lighting and dispense switches. Tank temperature drops to 140°F and holds it there. 2. NORMAL/PROGRAM/RINSE switch: NORMAL: Allows all dispenser functions.
  • Page 19 PROGRAMMING THE DISPENSER (cont.) Press and release right switch (advance to next menu), “TANK TEMP XXX°” appears on screen. Adjust tank TANK TEMP XXX° EXIT temperature AUDIBLE ALARM ? EXIT Adjust minimum tank READY TEMP XXX° EXIT ready temperature for lockout DISABLE MESSAGES ? EXIT...
  • Page 20 PROGRAMMING THE DISPENSER (cont.) SET FLAVOR 1 BY SELECT UNITS TASTE RECIPE EXIT METRIC Goes to next station. CAL HOPPER 1 LPD CAL POWDER 1 ? PRESS DISPENSE Returns to (A) (page 19) after last station. Adjust hopper motor speed for station for station selected HOPPER 1 FULL ENTER WEIGHT 1...
  • Page 21 PROGRAMMING THE DISPENSER (cont.) ODOMETER Alternates between IMIX VERS ##.# IMIX VERS ##.# XXXXX PRESS FORWARD USB VERS ##.# STOPPED DISPENSE REPRGM IMIXHWBO COUNTS XXXX EXIT HOT WATER COUNTS REPROGRAM USB SELECT A SIZE EXIT RINSE COUNTS EXPORT DRINK CNT SELECT A HEAD EXIT SELECT A PORTION...
  • Page 22 PROGRAMMING THE DISPENSER (cont.) LOW POWDER LOCK ? TEST SWITCHES ? EXIT Use Switch To Test DISPENSE LOCKOUT TEST HEATER ? EXIT EXIT RINSE ALARM ? TEST REFILL ? EXIT EXIT RINSE ALARM TIME HEAD 1 DISABLE ? TEST HOT WATER ? XX hours (+) EXIT EXIT...
  • Page 23 PROGRAMMING THE DISPENSER (cont.) SET CUP SIZE BY EXAMPLE TIME Returns to (O) (page 19) Goes to next station. DISPENSE UNTIL CUP IS 3/4 FULL SMALL H/W TIME SMALL SHORT % HEAD #1 RECIPE (-) 9.00 sec 82.50 % RECIPE NAME Press and release any dispense button to set cup size.

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