Bunn HWB Installation & Operating Manual
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
BUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY
Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows:
1) Airpots, thermal carafes, decanters, GPR servers, iced tea/coffee dispensers, MCR/MCP/MCA single cup brewers, thermal servers and ThermoFresh® servers (mechanical and digital) 1 year parts and 1 year labor.
2) All other equipment - 2 years parts and 1 year labor plus added warranties as specified below:
a) Electronic circuit and/or control boards - parts and labor for 3 years.
b) Compressors on refrigeration equipment - 5 years parts and 1 year labor.
c) Grinding burrs on coffee grinding equipment to grind coffee to meet original factory screen sieve analysis - parts and
labor for 4 years or 40,000 pounds of coffee, whichever comes first.
These warranty periods run from the date of installation BUNN warrants that the equipment manufactured by it will be
commercially free of defects in material and workmanship existing at the time of manufacture and appearing within the
applicable warranty period. This warranty does not apply to any equipment, component or part that was not manufactured
by BUNN or that, in BUNN’s judgment, has been affected by misuse, neglect, alteration, improper installation or operation,
improper maintenance or repair, non periodic cleaning and descaling, equipment failures related to poor water quality,
damage or casualty. In addition, the warranty does not apply to replacement of items subject to normal use including but
not limited to user replaceable parts such as seals and gaskets. This warranty is conditioned on the Buyer 1) giving BUNN
prompt notice of any claim to be made under this warranty by telephone at (217) 529-6601 or by writing to Post Office Box
3227, Springfield, Illinois 62708-3227; 2) if requested by BUNN, shipping the defective equipment prepaid to an authorized
BUNN service location; and 3) receiving prior authorization from BUNN that the defective equipment is under warranty.
THE FOREGOING WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTY, WRITTEN OR ORAL, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF EITHER MERCHANTABILITY
OR FITNESS FOR A PARTICULAR PURPOSE. The agents, dealers or employees of BUNN are not authorized to make
modifications to this warranty or to make additional warranties that are binding on BUNN. Accordingly, statements by such
individuals, whether oral or written, do not constitute warranties and should not be relied upon.
If BUNN determines in its sole discretion that the equipment does not conform to the warranty, BUNN, at its exclusive option while the equipment is under warranty, shall either 1) provide at no charge replacement parts and/or labor (during the
applicable parts and labor warranty periods specified above) to repair the defective components, provided that this repair
is done by a BUNN Authorized Service Representative; or 2) shall replace the equipment or refund the purchase price for
the equipment.
THE BUYER’S REMEDY AGAINST BUNN FOR THE BREACH OF ANY OBLIGATION ARISING OUT OF THE SALE OF THIS
EQUIPMENT, WHETHER DERIVED FROM WARRANTY OR OTHERWISE, SHALL BE LIMITED, AT BUNN’S SOLE OPTION
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.
392, A Partner You Can Count On, Air Infusion, AutoPOD, AXIOM, BrewLOGIC, BrewMETER, Brew Better Not Bitter, BrewWISE, BrewWIZARD, BUNN Espress, BUNN Family Gourmet, BUNN Gourmet, BUNN Pour-O-Matic, BUNN, BUNN with
the stylized red line, BUNNlink, Bunn-OMatic, Bunn-O-Matic, BUNNserve, BUNNSERVE with the stylized wrench design,
Cool Froth, DBC, Dr. Brew stylized Dr. design, Dual, Easy Pour, EasyClear, EasyGard, FlavorGard, Gourmet Ice, Gourmet
Juice, High Intensity, iMIX, Infusion Series, Intellisteam, My Café, Phase Brew, PowerLogic, Quality Beverage Equipment
Worldwide, Respect Earth, Respect Earth with the stylized leaf and coffee cherry design, Safety-Fresh, savemycoffee.com,
Scale-Pro, Silver Series, Single, Smart Funnel, Smart Hopper, SmartWAVE, Soft Heat, SplashGard, The Mark of Quality in
Beverage Equipment Worldwide, ThermoFresh, Titan, trifecta, TRIFECTA (sylized logo), Velocity Brew, Air Brew, Beverage
Bar Creator, Beverage Profit Calculator, Brew better, not bitter., Build-A-Drink, BUNNSource, Coffee At Its Best, Cyclonic
Heating System, Daypart, Digital Brewer Control, Element, Milk Texturing Fusion, Nothing Brews Like a BUNN, Picture
Prompted Cleaning, Pouring Profits, Signature Series, Sure Tamp, Tea At Its Best, The Horizontal Red Line, Ultra are either
trademarks or registered trademarks of Bunn-O-Matic Corporation. The commercial trifecta® brewer housing configuration is a trademark of Bunn-O-Matic Corporation.
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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.
00831.0000
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
backflow prevention to comply with federal, state
and local codes. For models installed outside the
U.S.A., you must comply with the applicable Plumbing /Sanitation Code for your area.
00656.0001
37881.0000
00824.0002
BOX O JOE REDUCED FILL HOT WATER
S
M
L
S
M
L
S
M
L
S
M
L
XL XL XL XL XL
44226.0002
3
S
M
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45398.2 111315
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. The mating connector must be a NEMA
• Appliance shall not be tilted more than 10° for safe operation.
L14-30R.
• An electrician must provide electrical service as specified in conformance with all local and national codes.
• This appliance must not be cleaned by water jet.
Electrical Hook-Up
• This appliance can be used by persons aged from 18 years and above if they have been given supervision or
CAUTION - Improper electrical installation will damage electronic components.
instruction concerning use of the appliance in a safe way and if they understand the hazards involved.
1. An electrician must provide electrical service as specified.
• Keep the appliance and its cord out of reach of children aged less than 18 years.
2. Using a voltmeter, check the voltage and color coding of each conductor at the electrical source.
• Appliances can be used by persons 18 years and above with reduced physical, sensory or mental capabilities
3. Connect the dispenser to the power source.
or lack of experience and knowledge if they have been given supervision or instruction concerning use of the
4. Place the main ON/OFF switch in the “ON” position.
appliance in a safe way and understand the hazards involved.
5. Place the ON/OFF/NIGHT switch in the “ON” position.
• Children under the age of 18 years should be supervised to ensure they do not play with the appliance.
6. If plumbing is to be hooked up later be sure the dispenser is disconnected from the power source. If plumb-
• If the power cord is ever damaged, it must be replaced by the manufacturer or authorized service personnel
ing has been hooked up, the dispenser is ready for Initial Fill & Heat.
with a special cord available from the manufacturer or its authorized service personnel in order to avoid a hazard.
• Machine must not be immersed for cleaning.
• Cleaning and user maintenance shall not be made by children unless they are older than 18 years and supervised.
• This appliance is intended to be used in household and similar applications such as:
– staff kitchen areas in shops, offices and other working environments;
– by clients in hotels, motels and other residential type environments;
– bed and breakfast type environments.
• This appliance not intended to be used in applications such as:
– farm houses;
• Access to the service areas permitted by Authorized Service personnel only.
• The A-Weighted sound pressure level is below 70 dBA.
CE 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.
• An electrician must provide electrical service as specified in conformance with all local and national codes.
• This appliance must not be cleaned by pressure washer.
• This appliance can be used by persons aged from 18 years and above if they have been given supervision or
instruction concerning use of the appliance in a safe way and if they understand the hazards involved.
• Keep the appliance and its cord out of reach of children aged less than 18 years.
• Appliances can be used by persons 18 years and above with reduced physical, sensory or mental capabilities
or lack of experience and knowledge if they have been given supervision or instruction concerning use of the
appliance in a safe way and understand the hazards involved.
• Children under the age of 18 years should be supervised to ensure they do not play with the appliance.
• If the power cord is ever damaged, it must be replaced by the manufacturer or authorized service personnel
with a special cord available from the manufacturer or its authorized service personnel in order to avoid a hazard.
• Machine must not be immersed for cleaning.
• Cleaning and user maintenance shall not be made by children unless they are older than 18 years and supervised.
• This appliance is intended for commercial use in applications such as:
– staff kitchen areas in shops, offices and other working environments;
– by clients in hotel and motel lobbies and other similar types of environments;
• Access to the service areas permitted by Authorized Service personnel only.
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PLUMBING REQUIREMENTS
This dispenser must be connected to a COLD WATER system with operating pressure between 20 and 100 psi
(0.138 and 0.690 MPa). This water source must be capable of producing a minimum flow rate of 4.5 fl. oz.
(133.1 ml) per second. A shut-off valve should be installed in the line before the dispenser. Install a regulator in
the line when pressure is greater than 100 psi (0.690 MPa) to reduce it to 50 psi (0.345 MPa). The water inlet
fitting is .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. Bunn-O-Matic does not recommend the use of a saddle valve to install the dispenser. The size and
shape of the hole made in the supply line by this type of device may restrict water flow.
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 backflow prevention to comply with federal, state and local codes. For models installed
outside the U.S.A., you must comply with the applicable Plumbing /Sanitation Code for your area.
NOTE - If a backflow preventer is required by code, a shock arrestor should be installed between backflow pre-
venter and dispenser. Installing the shock arrestor as close to the dispenser as possible will provide the best
results.
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.
PLUMBING HOOK-UP
1. Flush the water line and securely attach it to the elbow fitting on the back of the dispenser.
2. Turn on the water supply.
INITIAL FILL & HEAT
1. Turn on the water supply and connect the dispenser to the power source.
2. Open the front door and place the ON/OFF/NIGHT switch in the “ON” (upper) position.
3. Turn main power switch “ON”. Water will automatically flow into the tank to the proper level and then shutoff. This will take less than ten minutes.
4. Fill the hopper(s) with the dry product to be dispensed.
LIQUID LEVEL CONTROL
The system automatically maintains the hot water tank’s level by energizing the refill solenoid when the water
level drops below the liquid level probe. If the system has not successfully refilled in 10 minutes, a refill error
occurs. When a refill error occurs, the refill solenoid is de-energized. Once the cause of the refill error has been
investigated and cured, the system can be reset by either turning main power off 5 seconds then turning on, or
unplugging for 5 seconds, or by entering one of the program modes (see Programming, page 17.)
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RINSE TIMER
The dispenser is shipped from the factory with the rinse timer enabled. When enabled, the rinse timer automatically keeps track of the time since the dispenser was last run through a rinse sequence. If the dispenser detects
that a rinse sequence has not been run for the desired time, a message will appear on the LCD display. The hopper drives will be disabled until a rinse sequence has been run.
RUNNING A RINSE SEQUENCE
1. Place a container at the position to be rinsed. Place the NORMAL/PROGRAM/RINSE switch (page 18) in the
“RINSE” position.
2. At each position, press any of the dispense switches. The dispenser will run for 10 seconds with the
hopper(s) disabled.
3. As each position is rinsed, the LCD display will show which position is being rinsed and count down from
10 seconds.
4. After all positions have been rinsed, return the NORMAL/PROGRAM/RINSE switch to the “NORMAL” position.
DISPENSER USE - Portion Control
1. Simply place a cup on the drip tray beneath the desired dispensing tip.
2. Select the appropriate button for the cup size under the dispense tip, press momentarily, then release.
3. For Box O Joe or Reduced Fill, press that button then select a drink size for that product of choice (within 3
seconds).
4. Let the mixing chamber completely drain before removing cup.
DISPENSE HOT WATER - Portion Control
1. Place cup under hot water dispensing tip.
2. Press momentarily and release hot water button then appropriate size for portion control (within 3 seconds).
Or, Press the hot water button a second time and release when desired volume is reached for push and hold.
LCD Display Key
The LCD will display the size and head currently being dispensed.
1-5 for the heads
HW for hot water
B for Box of Joe
For example:
S for small
M for medium
L for large
X for x-large
2B is head 2 Box of Joe
3m is a reduced fill medium on head 3
HWL is a large hot water portion
HWP for push and hold hot water
HWS for small portion hot water
Lower case letters show that reduced fill is active
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.
Cycle
(months)
Item Part Number
6
Mixing Chamber Kit 32906.0001
3 or as
needed
Whipper Shaft Seal Kit 26356.1000
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CLEANING
The use of a damp cloth rinsed in any mild, non-abrasive, liquid detergent is recommended for cleaning all surfaces 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
NORMAL/PROGRAM/RINSE switch in the "RINSE"
position and activating DISPENSE switches.
2. Turn elbow up, remove Hoppers, refill with product and
replace hoppers into dispenser
3. Empty Drip Tray and wash in a solution of dish detergent.
1 x 7d
7
.
9
6
8
7
5
1. Para limpiar las camaras de mezcla, coloque el interruptor en la posicón
NORMAL/PROGRAMACIÓN/ENJUAGUE (”NORMAL/PROGRAM/ RINSE”) y
pulse el boton para espumar y distribuir la bebida (”DISPENSE”).
2. Gire el codo hacia arriba, remueva las tolvas, llene las tolvas con producto
y coloque las tolvas nuevamente en la maquina.
3. Vacie la bandeja de goteo y limpiela con un detergente liquido suave no
abrasivo.
1
2
3
4
a
b
c
d
a. Wash
b. Rinse
c. Sanitize
d. Dry
a. Lave
b. Enjuague
c. Desinfecte
d. Seque
NOTICE
The cleaning instructions noted above are for non-dairy sugar based food products. When dispensing any other food product,
the cleaning cycle for the whipping chamber assembly and ejector elbow must be performed daily.
NOTA:
Las instrucciones de limpieza descritas anteriormente excluyen productos lacteos azucarados. La limpieza de las camaras
de mezcla y de los codos de salida de cada tolva deberá realizarse diariamente.
37254.0002B 10/11 © 2011 BUNN-O-MATIC CORPORATION
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45398.2 111315
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