FPG-2 DBC
®
BC
ER D
GRIND
INSTALLATION & OPERATING MANUAL
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
36705.0000 03/04 ©2004 Bunn-O-Matic Corporation www.bunnomatic.com
CONTENTS
User Notices..................................................................................................................................................... 3
Electrical Requirements ................................................................................................................................... 3
Operating Controls ........................................................................................................................................... 3
Initial Set-Up .................................................................................................................................................... 4
Cleaning ........................................................................................................................................................... 4
Coffee Grinding ................................................................................................................................................ 4
Adjustments ..................................................................................................................................................... 4
Timer Adjustment (Control Board) ................................................................................................................... 5
Wiring Diagram ................................................................................................................................................ 6
INTRODUCTION
The FPG-2 DBC will store up-to three pounds of whole bean coffee in each of two hoppers and grind it to a preset grind and
amount into an awaiting funnel and filter from most commercial drip coffee brewers. The equipment is only for indoor use on a
sturdy counter or shelf. Adequate space must be available above the grinder to raise the lids when adding beans. Use only with
whole bean coffee.
The grind is preset at the factory to drip specifications as set forth by the United States Department of Commerce and
adopted by the Coffee Brewing Center of the Pan American Coffee Bureau. Adjustments may be made to alter both the amount
and grind from the factory setting.
BUNN-O-MATIC 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 labor.
2) Electronic circuit and/or control boards: parts and labor for 3 years.
3) Compressors on refrigeration equipment: 5 years parts and 1 year labor.
4) Grinding burrs on coffee grinding equipment to grind coffee to meet original factory screen sieve analysis: parts and
labor for 3 years or 30,000 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, damage or casualty. 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.
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36705 031504
USER NOTICES
GRINDER DBC
®
Carefully read and follow all notices on the grinder and in this manual. They were written for your protection.
All notices on the grinder are to be kept in good condition. Replace any unreadable or damaged labels.
Replacement part
#05876.0000
Replacement part
#20545.0000
ELECTRICAL REQUIREMENTS
This grinder has an attached cordset and requires 2-wire, grounded service rated 120 volts ac, 15 amp,
single phase, 60 Hz.
c
OPERATING CONTROLS
Grind Pad (a)
Pressing initiates a timed grind cycle.
Stop Pad (b)
Pressing ends the operation of the grinder.
® PAD (c)
Pressing the ® pad allows programming access
(see page 5).
Hopper/Batch Selector Pads (d)
These pads are located on the funnel depictions on each side of the grinder with a total of 6 pads. Selecting
one of these pads will select the amount of grind and side from which to grind.
Example: Selecting the lower pad on the left side will grind enough beans from the left side of the grinder to
brew the amount programmed into grinder.
d
a
d
b
Control Board
The control board determines the amount of beans that will leave the hopper in a grind cycle. The timer
portion can be adjusted to dispense a different amount from each hopper and each batch size. The scale is from
0.4 to 99.9 seconds. Refer to the Adjustments section for timer setting chart (page 5).
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36705 031504
INITIAL SET-UP
1. Open the top lid. Clear all foreign objects and shipping material from the hopper compartment and the entrance to
the grind chamber.
2. Plug in the grinder.
3. Fill the hopper compartments with whole bean coffee. (Capacity 6 pounds each). The grinder is now ready for
use.
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. Care should be taken not to scratch the hopper with any abrasive material.
Regular cleaning will keep your grinder looking new for years.
COFFEE GRINDING
1. Visually inspect the selected hopper for an ample supply of whole bean coffee.
2. Carafe Brewing: Place a paper filter into brew funnel. Insert funnel into rails and push until it stops.
3. French Press: Place French Press on grinder base and push towards rear until it stops.
4. Choose the batch size and side of grinder to use.
5. Press . The grinding action will stop automatically after the preset amount of ground coffee is dispensed
into the funnel.
ADJUSTMENTS
The grind can be set from very fine to very coarse. The amount may be adjusted for use in most commercial
coffee brewers. The following procedures should be used to make adjustments. A change in the burr adjustment
will also change the amount dispensed. Any adjustment of the burrs should be followed by an adjustment of the
timer.
Burr Adjustment
1. Unplug the grinder and empty all beans from the hoppers.
2. Plug in the grinder, press and release (with either hopper selected). Run a few grind cycles until all of the
coffee in the grind chamber is used.
3. Remove funnel with filter and carefully tip the grinder over on its back.
4. Press and slowly turn the adjusting screw in a clockwise direction until a
metallic whine is heard due to the rubbing of the grinding burrs. (It may be
necessary to start more than one grind cycle to obtain this sound.)
5. Make a mark with a pen on the decal to note the position of the arrow on the grind
adjustment screw.
6. The following settings approximately correspond to the CBC recognized grinds.
All are referenced from the arrow position noted in #5.
P2321
FINE GRIND: Rotate the adjusting screw 7 hash marks in a counterclockwise
direction.
DRIP GRIND: Rotate the adjusting screw 8 hash marks in a counterclockwise direction.
REGULAR (COARSE) GRIND: Rotate the adjusting screw 10 hash marks in a counterclockwise direction.
NOTE: Exact adjustment will vary according to bean roast or added flavoring.
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36705 031505
TIMER ADJUSTMENT (CONTROL BOARD)
Three different batch settings are selectable for each hopper. Each batch is independently adjustable by
setting the length of time a slide gate opens to allow beans to drop into the grinding chamber. A second time
setting for each batch determines how long the grind motor continues to run after the slide gate closes. This time
is set long enough to insure that all the beans dropped into the grind chamber are ground and dispensed.
1. Determine the grind setting. (The factory setting is drip, to determine other settings, refer to the previous
section.)
2. Use the table below to find approximate timer setting for the amount of coffee desired.
3. To enter the setup mode and make an adjustment, press and hold the hidden programming pad under the ®.
One of the batch indicators will begin to flash off and on. At this point, release the ® button.
4. Push the hopper/batch selector button for the batch to be adjusted. Note that the digital display shows the
current slide gate time setting (in seconds).
5. To increase the time, press . To decrease, press .
6. To change the chamber clean-out time, press the same batch button again and note that the indicator light
begins to blink more rapidly and the display shows the current clean-out time.
7. To increase the time, press To decrease it, press .
8. After the cleanout time has been entered, press another batch pad and repeat steps 4 to 7. Otherwise, to exit
the programming mode, press and release the ® pad and the grinder returns to the normal operating mode,
using the new settings.
NOTE: While in the setup mode, if no buttons are pushed for 60 seconds, the grinder will return to normal
operations, retaining any settings made while in the setup mode.
Approximate Amount (in Ounces) Timer Settings (in Seconds)
1-1/2 2.5
2 4.5
2-1/2 7.5
3 10.5
These times are for medium roast, regular grind coffee.
Roast of coffee and grinds size will vary timer setting.
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36705 031505
SCHEMATIC WIRING DIAGRAM
L1
B
L
K
3
AMP
Switch Unit Assembly Codes
A1 Grind
A2 Stop
B2 Hidden Button "Right"
C1 Large Batch Size "Left"
C2 Medium Batch Size "Left"
C3 Small Batch Size "Left"
C4 Large Batch Size "Right"
C5 Medium Batch Size "Right"
C6 Small Batch Size "Right"
LEFT GATE
RELAY
RIGHT GATE
COIL
LIMIT THERMOSTAT
SOL
LIMIT THERMOSTAT
SOL
FPG-2 DBC
WHI/ORA
WHI/GRN
WHI/YEL
WHI/BLK
RED
RED
6
B2
J1-6
J1-6
C4
BLU
8
CONTROL PC BOARD
J6-10
SHIELD
11
C5
C6
SWITCH UNIT ASSY
A2
A1
J6-5
C3
GRN
C2
N
W
H
I
W
H
I
/
B
L
K
J6-1
1
C1
BLK
120 VOLTS AC
2 WIRE
SINGLE PHASE
60 HZ
M
RED
RED
36706.0000A 03/04 © 2004 Bunn-O-Matic Corporation
6
WHI
AC
RECT
–
WHI/BLK
+
AC
36705 031505
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