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.
39130.0000L 03/13 ©2008 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, MCP/MCA pod 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, Velocity Brew, Air Brew, Beverage Bar Creator, Beverage Profit Calculator, Brew better, not bitter., BUNNSource, Coffee At Its Best, Cyclonic Heating System, Daypart, Digital
Brewer Control, Element, Nothing Brews Like a BUNN, Pouring Profits, Signature Series, 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.
Page 2
39130 021513
INTRODUCTION
This equipment will brew a ⁄2 gallon batch of coffee into an awaiting server. The brewer may have
a hot water faucet for allied beverage use. It is only for indoor use on a sturdy counter or shelf.
1
CONTENTS
Warranty................................................................................................. 2
User Notices.......................................................................................... 3
Electrical Requirements......................................................................... 4
Plumbing Requirements & Initial Set-Up................................................ 6
Operating Controls & Coffee Brewing.................................................... 7
Cleaning & Tank Drain........................................................................... 8
Adjustments & Optional Settings........................................................... 9
USER NOTICES
Carefully read and follow all notices in this manual and on the equipment. All labels on the equipment should
be kept in good condition. Replace any unreadable or damaged labels.
Optional Field Wiring
Optional Field Wiring
120/208-240 V, 15.6-17.5 A, 2980-3850 W
1PH, 3-Wire + GND, 60HZ
120/208-240 V, 13.0-15.0 A, 2680-3550 W
1PH, 3-Wire + GND, 60HZ
#29710.0007
3 Warmers
#29710.0008
APS/TC
#12364.0000
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.
#37881.0002
WARNING
• DO NOT OVERLOAD CIRCUIT.
• ALWAYS ELECTRICALLY GROUND
THE CHASSIS.
• DO NOT DEFORM PLUG OR CORD.
• FOLLOW NATIONAL AND LOCAL
ELECTRICAL CODES.
• KEEP COMBUSTIBLES AWAY.
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.
FAILURE TO COMPLY RISKS EQUIPMENT
DAMAGE, FIRE OR SHOCK HAZARD.
READ THE ENTIRE
OPERATING MANUAL BEFORE
USING THIS PRODUCT
PN: 00658.0000G 02/08 © 1985 BUNN-O-MATIC CORPORATION
#00656.0001
00986.0000F 10/07 ©1994 Bunn-O-Matic Corporation
#00986.0000
#03408.0002
#00658.0000
#03409.0002
#00824.0002
CAUTION
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.
WA R M E R S A N D S U R FAC E S A R E H OT
#02765.0000
#00824.0001
Page 3
#37881.0000
39130 030613
ELECTRICAL REQUIREMENTS
WARNING The brewer must be disconnected from the power source until specified in Initial Set-Up.
Refer to Data Plate on the Brewer, and local/national electrical codes to determine circuit requirements.
ELECTRICAL HOOK-UP (All Models)
CAUTION – Improper electrical installation will damage electronic components.
1. An electrician must provide electrical service.
2. Determine the available on-site electrical service.
3. Select the desired unit voltage based on the available on-site electrical service.
4. Using a voltmeter, check the voltage and color coding of each conductor at the electrical source.
5. Remove the front access panel beneath the sprayhead to gain access to the terminal block.
6. Feed the supply leads through the rear of the brewer.
7. Using the above diagrams, connect the desired electrical service to the field wiring terminal block.
8. If wiring the machine for operation on 120/208 or 120/240 volts with a Power Supply Cord, the Power
Supply Cord must be UL Listed Flexible Cord Type SO, SJO, SJTO, HSJO or SJOW, No. 12 AWG, 4 Conductor, Rated 90° C. Attachment Plug Cap must be UL Listed, NEMA 14-20P or L14-20P Configuration,
Rated 125/250V, 20 AMPS. The Power Supply Cord must be at least 3 feet long and maximum 6 feet long
(measured from Strain Relief to end of the Attachment Plug Cap).
9. Before proceeding, verify the voltage at the field wiring terminal block.
10. Set voltage switch to the appropriate position and replace the access panel. (DV Models Only)
11. If plumbing is to be hooked up later be sure the brewer is disconnected from the power source. If
plumbing has been hooked up, the brewer is ready for Initial Set-Up.
CE 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 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 water jet.
• This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, unless they have been given instructions concerning use of
this appliance by a person responsible for its safety.
• Children 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.
Twins
All Twins are 120/208 & 120/240V AC
Single phase unless otherwise noted.
Note: Power cord must be
connected to center terminal
block on all Twins unless
otherwise noted.
Note: This electrical service requires
3 current carrying conductors (Neutral,
L1 and L2) and a separate conductor for
earth ground.
Page 4
39130 120809
ELECTRICAL REQUIREMENTS
Single & Dual Volt Models
Requirements for brewers with an attached cord set are as follows:
Note: This electrical service requires 2 current carrying conductors (Neutral, and L1) and a separate
conductor for earth ground.
Dual Voltage Switch
in 120V position
120V
120/208-240V
For Supply Connections, Use No. 12 AWG
Wires Suitable For At Least 90°C (194°F)
FOR USE ONLY ON AN
INDIVIDUAL BRANCH
CIRCUIT RATED 20 AMPS
POWER CORD
NEUTRAL WHITE
N
WHITE
NEUTRAL
L1 BLACK
L1 BLACK
L1
GREEN
G
120V 2 WIRE + GROUND
120V AC
Single phase models
Requirements for brewers without an attached cord set are as follows:
Dual Voltage Switch in
Note: This electrical service
120/208-240V position
requires 3 current carrying
conductors (Neutral, L1 and
L2) and a separate conductor
for earth ground.
120V
120/208-240V
For Supply Connections, Use No. 12 AWG
Wires Suitable For At Least 90°C (194°F)
FOR USE ONLY ON AN
INDIVIDUAL BRANCH
CIRCUIT RATED 20 AMPS
POWER CORD
L2 RED
L2 RED
WHITE
NEUTRAL WHITE
N
NEUTRAL
L1 BLACK
L1 BLACK
L2
L1
GREEN
G
120/208-240V 3 WIRE + GROUND
120/208 & 120/240V AC
Single phase models
A & B Models
L2 RED
POWER CORD
L2 RED
L2
L1 BLACK
L1 BLACK
L2 RED
NEUTRAL BLUE
N
L1 BLACK
L1
L1 BROWN
GREEN
G
208-240V 2 WIRE + GROUND
POWER CORD
L2 RED
WHITE
NEUTRAL WHITE
N
NEUTRAL
L1 BLACK
L1
L1 BLACK
L2
L1
GREEN/YELLOW
G
POWER CORD
L2 RED
GREEN
G
220-240V 2 WIRE + GROUND 120/208-240V 3 WIRE + GROUND
Page 5
39130 030613
PLUMBING REQUIREMENTS
These brewers must be connected to a cold water system with operating pressure between 20
and 90 psi (138 and 620 kPa) from a 1⁄2" or larger supply line. A shut-off valve should be installed in
the line before the brewer. Install a regulator in the line when pressure is greater than 90 psi (620
kPa) to reduce it to 50 psi (345 kPa). The water inlet fitting is 1⁄4" 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. A tight coil of copper tubing in the water line will
facilitate moving the brewer to clean the counter top. Bunn-O-Matic does not recommend the use of
a saddle valve to install the brewer. 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.
1. Flush the water line and securely attach it to the inlet fitting at the rear of the brewer.
2. Turn on the water supply.
INITIAL SET-UP
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Insert an empty funnel into the funnel rails.
Place an empty server under the funnel.
Connect the brewer to the power source.
Turn on the main ON/OFF switch located on the
left side of brewer (If equipped).
Water will flow into the tank and stop when the tank
is filled to its capacity. Display will show "PLEASE
WAIT...TANK FILLING" until tank is filled with
water.
Wait approximately twenty minutes for the water
in the tank to heat to the proper temperature.
Display will show "READY TO BREW...WATER
TEMP: 200°" when tank is at operating temperature. Some water will drip from the funnel during
this time; this is due to expansion and should not
occur thereafter.
Place a small container beneath the faucet and
open the faucet handle. Release it when you hear
the tank refilling.
Water volumes and flow settings have been preset
at the factory. Refer to adjustments for the Set
Brew Volumes section of this manual should the
volume need to be increased or decreased.
The brewer is now ready for use in accordance
with the instructions for Coffee Brewing.
Repeat steps 5-9 for remaining side on Twins.
Page 6
If setting up new brewer in high mineral
locations, refer to programming (Enable
Brew Logic). Pertains to units with
software version 1.06 & up.
Brew water temperature is factory set at 200° F (93.3° C)
Areas of high altitude will require lowering this temperature to prevent boiling. This chart should be used as a
guide when readjusting the brew water temperature.
(Feet)
Boiling point
of water
°F
°C
-1000
-500
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500
9000
9500
10000
213.8
212.9
212.0
211.1
210.2
209.3
208.4
207.4
206.5
205.6
204.7
203.8
202.9
201.9
201.0
200.1
199.2
198.3
197.4
196.5
195.5
194.6
193.7
Altitude
101.0
100.5
100.0
99.5
99.0
98.5
98.0
97.4
96.9
96.4
95.9
95.4
94.9
94.4
93.9
93.4
92.9
92.4
91.9
91.4
90.8
90.3
89.8
Recommended
water temperature
°F
°C
200
200
200
200
200
200
200
200
199
198
197
196
195
195
194
193
192
191
190
189
188
187
186
93.3
93.3
93.3
93.3
93.3
93.3
93.3
93.3
92.8
92.2
91.7
91.1
90.6
90.6
90.0
89.4
88.9
88.3
87.8
87.2
86.7
86.1
85.6
39130 020608
OPERATING CONTROLS
(A) ENABLE BREW ON/OFF SWITCH
Pressing the "ENABLE BREW ON/OFF" switch (indicator
on) supplies power to the brew station warmer and enables
the brew circuit. Pressing the switch again (indicator off)
stops brewing and de-energizes the brew station warmer.
Stopping a brew cycle after it has been started will not stop
the flow of water into the server until the funnel is empty.
P3633
A
B
D
C
(B) BREW SWITCH
Momentarily pressing and releasing the switch starts a
brew cycle when the "ENABLE BREW ON/OFF" indicator
is on.
(C) ADDITIONAL WARMER or HALF/FULL BATCH SWITCHES
Pressing any additional warmer switch so that the indicator is on, supplies power to the associated warmer.
NOTE 1: APS & TC models have no warmers.
NOTE 2: These switches are Half/Full Batch on "Single
Axiom" models.
P3969.50
(D) MAIN ON/OFF SWITCH
This switch, located on the left side of the brewer, turns
power on and off to all components in the brewer.
COFFEE BREWING
1. Begin each brew cycle with a clean empty brew
funnel.
2. Insert a BUNN filter into the funnel.
3. Pour (or grind) fresh coffee into the filter and level
the bed of grounds by gently shaking.
4. Slide the funnel into the funnel rails until it stops.
5. Place an empty server under the funnel.
6. Verify that the "ENABLE BREW ON/OFF" indicator
is on.
7. Momentarily press and release the "BREW" switch.
The display will read "NOW BREWING", and show
the time remaining in the brew cycle.
8. Following the brew, the display reads "DRIPPING"
which shows the time remaining until the coffee no
longer drips from the funnel tip.
9. After the coffee finishes dripping from the funnel
tip, carefully remove the brew funnel and discard
the grounds and filter.
NOTE: Some models are equipped with a backup
pour in feature, in case the plumbed water supply is
disrupted. In this event, disregard steps 7-8, and pour
in 64 ounces of fresh water.
Page 7
39130 092110
CLEANING
1. The use of a damp cloth rinsed in any mild, nonabrasive, liquid detergent is recommended for
cleaning all surfaces on Bunn-O-Matic equipment.
2. Check and clean the sprayhead. The sprayhead holes must always remain open. Insert the short
end of the sprayhead cleaning tool into each of the five water outlets of the plastic sprayhead to
remove any mineral deposits (Refer to Fig 1)
3. Insert the long end of sprayhead cleaning tool into the sprayhead fitting, and rotate several times
to remove any mineral deposits from the fitting (Refer to Fig 2).
NOTE: In hard water areas, this may need to be done daily. It will help prevent liming problems in
the brewer and takes less than a minute.
NOTE: In the event that the "Brew Logic" circuit activates (compensating for high lime build up), it
will temporarily disable the "Recovery Booster" and "Pulse Brewing" systems until the unit has been
de-limed. Refer to the Troubleshooting section for more details.
FIGURE 1
FIGURE 2
TANK DRAIN
1.
2.
3.
4.
5.
Loosen screws that secure the front access panel. Remove the panel.
Unfasten the hose clamp at the end of the drain hose. Remove the plug.
Place the end of the drain hose in a container that has a minimum capacity of 200 oz (5.9 L).
Release the white clamp to drain water from the tank.
When tank is empty, close the white clamp, replace the plug, and tighten the clamp at the end
of the drain hose. (Repeat steps 2-5 for remaining side on Twins)
6. Replace the front panel and tighten screws.
Page 8
39130 060206
ADJUSTMENTS & OPTIONAL SETTINGS
1
3
BUNN
2
®
READY TO BREW
WATER TEMP: 200°
REAR
FRONT
WARMER
WARMERS
P3633-2
4
Using the menu-driven display on the front of the brewer, the operator has the ability to alter or
modify various brewing parameters such as brew lockout, brew volume, brew strength, etc. This
allows for the precise brewing of various flavors of coffee.
Programming of the brewer is achieved by entering a certain function. Then, by the use of hidden
programming switches, the operator can customize the brewing process to their specifications.
PROGRAMMING SWITCHES
1. FUNCTION SCREEN
This is the display which shows the various functions.
2. (Right of the display)
This is used to access the program mode and is also used to step forward through the menu.
3. (Left of the display)
This is used to step backwards through the function list.
4. "Digital" (lower left under the display)
This is used to select options that appear on the display during programming (NO/-)
"Brewer" (center under the display)
This is used to select options that appear on the display during programming (DONE)
"Control" (lower right under the display)
This is used to select options that appear on the display during programming (YES/+)
Page 9
39130 060111
ADJUSTMENTS & OPTIONAL SETTINGS (CONT.)
PROGRAMMING FUNCTIONS - FLOW CHART
BrewWIZARD
BREW LOCKOUT ?
NO
DONE
YES
ENABLE ADS ?
NO
DONE
YES
BREW OZ: 64.0
(-)
DONE
(+)
BREW METER
-
+
ENTER SERVICE #?
NO
1
EXITING
YES
BrewWIZARD
LEVEL 2
ENTER PASSWORD
0
0
0
UNITS
METRIC DONE ENG
SET PASSWORD
0
0
SET TEMP:
(-)
DONE
0
200°
(+)
SET LANGUAGE ?
NO
YES
SET READY:
(-)
DONE
195°
(+)
(CONT.)
Page 10
39130 020608
ADJUSTMENTS & OPTIONAL SETTINGS (CONT.)
LEVEL 2 (CONT.)
ENTER ASSET # ?
SET PULSE BREW ?
NO
NO
YES
ENABLE CLEAN
NO
DONE
YES
YES
DRIP T I M E 0:30
(-)
DONE
(+)
Enabl EnergySavr
EnableFreshTimer
NO
NO
DONE YES
DONE YES
(Ver. 1.07 & above)
ENABL WARMER OFF
NO
DONE
YES
0
(-)
REFILL
155
DONE
(+)
ENABLE BrewLOGIC
NO
DONE
YES
(These two screens will change if "BrewLogic" is enabled)
SPRAY OZ/M:
(-)
DONE
25.0
(+)
CALIBRATE FLOW ?
NO
YES
BREW COUNTERS ?
NO
YES
Return To Main Screen
SERVICE TOOLS ?
NO
YES
FACTORY DEFAULTS
NO
YES
AXIOM
VERSION
xx.xx
Displays Model &
Software Version
Page 11
39130 053107
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