Use and Care Manual
Welcome
Thank you for purchasing a BUNN home brewer. BUNN home brewers
are uniquely designed to do exactly what BUNN commercial brewers
do: give you great-tasting coffee – quickly, simply and consistently.
Table of Contents
Important Safeguards........................................................................................................2
General Information...........................................................................................................3
Hot Water...........................................................................................................................3
Initial Set Up Guide............................................................................................................4
Brewing Perfect Coffee......................................................................................................5
Better Brewing................................................................................................................6-7
Cleaning and Maintenance.............................................................................................8-9
Draining the Brewer.........................................................................................................10
Authorized Service ..........................................................................................................10
Accessories.....................................................................................................................10
Troubleshooting ...............................................................................................................11
Limited Warranty..............................................................................................................12
Keep this booklet
for future reference
WARNING
RISK OF FIRE OR
ELECTRICAL SHOCK
Record these numbers from the bottom of
your brewer before filling the brewer with
water:
WARNING, TO REDUCE THE RISK OF FIRE
OR ELECTRIC SHOCK
DO NOT DISASSEMBLE THE BREWER
NO USER-SERVICEABLE PARTS INSIDE
MODEL:__________________________
DATE CODE:______________________
REPAIR SHOULD BE DONE BY
AUTHORIZED SERVICE PERSONNEL ONLY
If you need any assistance, please call us at
1-800-352-BUNN (2866).
In order to receive full assistance, please
have your date code ready when calling for
service. (Date code is located on the bottom
of your brewer).
This symbol alerts you
to important operating
and service instructions.
This symbol alerts you to
the risk of fire or electrical
shock in the accompanying
message.
1
IMPORTANT SAFEGUARDS
Follow these basic safety precautions when using electrical appliances to reduce the risk
of fire, electric shock, and/or personal injury:
• Read all instructions.
• Do not touch hot surfaces. Use handles.
• Do not place cord, plugs, or brewer in water or liquid.
• Close supervision is necessary when the brewer is used by or near children.
• Unplug from outlet when not in use for extended periods of time and before cleaning.
Allow to cool before putting on or taking off parts, and before cleaning.
• Do not operate the brewer with a damaged cord or plug or if the brewer malfunctions
or is damaged in any manner. Return the brewer to an Authorized Service Facility for
examination, adjustment, or repair. (Refer to page 10.)
• Using an accessory not evaluated for use with this brewer may cause injuries.
• For household use only. Do not use outdoors.
• Do not let cord hang over edge of table or counter or touch hot surfaces.
• Do not place the brewer on or near a hot gas or electric burner or in a heated oven.
• Do not use brewer for any other purpose than its intended use.
• Do not place or remove funnel or decanter while brewing.
• Do not use the decanter on a range top or in a microwave.
• Do not set a hot decanter on a cold surface.
• Do not use a cracked decanter or a decanter with a loose or weakened handle.
• Do not pour liquids into the water tank other than water or vinegar solution for
cleaning, as specified in this manual.
• Do not clean decanter with cleansers, steel wool pads, or other abrasive materials.
• When the brewer is idle, the lid should be in the closed position.
SAVE THESE INSTRUCTIONS
A short power-supply cord is used to reduce the risks resulting from becoming entangled
in or tripping over a longer cord.
If an extension cord is used, the marked electrical rating of the extension cord should
be at least as great as the electrical rating of the brewer. The cord should be arranged
so that it will not hang over the edge of table or counter where it can be pulled on by
children or tripped over.
The extension cord must be a three-wire cord of the three-pronged, three-socketed,
grounding type (including grounding conductor).
2
GENERAL INFORMATION
Improper set up will result in permanent damage and void the limited warranty.
Read and follow the initial set up instructions on page 4.
• This brewer is designed to remain plugged in at all times, except during initial set up or
when cleaning.
• A vacation switch is provided to completely shut-off all electrical components when
you’ll be away from home for three or more days. Safety features that are designed
in the BUNN coffee brewer make daily use of this switch unnecessary. On the NHBX,
the switch is on the lower right side (when you’re facing the brewer). Press I to turn
on and O to turn off. On the STX, it is on the lower back of the brewer. To turn it on,
press in the top of the switch (I) and to turn off press in the bottom (O). The red power
light on the right front of the STX trunk will be illuminated when the power is on.
• If the brewer has been shut off or unplugged for an extended period of time, fill the
tank with water and allow the water in the tank to heat to the proper temperature
before using (about 15 minutes or until the heating sound stops).
• Your BUNN coffee brewer has a specially designed hot water tank to keep the
water at the proper temperature. This constant supply of hot water assures correctly
brewed coffee.
• (STX model) The brewed coffee flows into an unheated thermal carafe. The double
wall stainless steel construction will hold coffee at serving temperature for about two
hours at maximum flavor. Pre-heating with hot water will increase the time your coffee
stays warm.
• (NHBX model) The brewed coffee flows into a glass decanter where it is kept at serving
temperature on the porcelain decanter warmer.The warmer is controlled by the lighted on/
off switch on the front of the brewer.
NOTE: The warmer switch controls only the decanter warmer.
• The decanter lid reduces coffee evaporation and temperature loss.
• While coffee is being brewed, the newest water in the tank is heated to the proper
temperature and held until needed.
• When the brewer is not in operation, the lid should be closed. If the lid is left open,
water could drip from the sprayhead when cold water is poured in.
• Use CAUTION when dispensing hot water from the brewer. The water is approximately
50°F hotter than what’s available from your hot water faucet and is always available for
other uses.
• The sprayhead may periodically become loose. Using extreme caution since it may be
hot, retighten the sprayhead with your fingertips.
NOTE: A severe burn may result if the sprayhead becomes loose and falls off while the
coffee is brewing.
3
Initial Set Up Guide
IMPORTANT:
Brewer is NOT ready to plug in until you have followed
the steps below. Do NOT plug in brewer until step #5.
STX
NHBX
1. Slide empty funnel into funnel guides
as shown.
2. Fill decanter with cold water. Swivel
brewer lid and pour water into brewer.
Position decanter on base below
funnel. Close the lid and wait three
minutes while the internal tank
partially fills.
3. Open the lid. Remove decanter and
fill with cold water again. Pour water
into brewer. Position decanter on base
under funnel and close the lid.
4. Wait until water flows from the funnel.
When water flow stops, pour out
any water that has collected in the
decanter. Replace decanter on brewer
below the funnel.
5. Now, plug in the brewer.
6. Press the vacation switch, located
on the side (NHBX) or the back
(STX) of the brewer, to turn unit
on (Press I to turn on and press O
to turn off.) Wait 15 minutes for the
water in the tank to heat.
See steps on page 5 for brewing perfect coffee.
4
Brewing Perfect Coffee
See page 4 for initial set up before brewing
the first time.
NHBX
STX
1. Insert BUNN coffee filter into the brew
funnel.
2. Measure fresh coffee into the filter and
shake gently to level the bed of grounds.
(We recommend 1-2 heapingTbsps. of
drip grind per cup of coffee).
3. Slide the brew funnel into funnel guides
and open lid.
4. Pour in cold water; minimum 4 cups
(20 oz), up to maximum 10 cups (50 oz)
Do not close the lid without the
funnel and decanter in place. Closing
the lid releases the hot water.
5. Position decanter in place on base
under funnel of brewer. (With STX,
pre-heat carafe with hot water)
Not applicable
with STX brewer
6. Turn on the warmer.
(not applicable with STX brewer)
7. Close the lid to start the flow of water
into the tank.
8. When brewing has stopped, remove the
brew funnel and discard the filter and
grounds. Do not touch hot grounds.
To pre-heat the thermal carafe, fill with hot water for approximately
30 seconds. Empty before brewing coffee into carafe.
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BUNN filters are unique. Made with a special grade of paper for
best coffee f avor, our filters are designed for strength, so the
sides are taller and you don’t end up with overflow and grounds
in your coffee.
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5
Better Brewing
BUNN home brewers are made to do exactly what BUNN commercial brewers do:
produce great tasting coffee - quickly, simply and consistently. Cup after flavorful cup,
year after year, nothing brews like a BUNN.
The BUNN Brewing Difference
Perfect coffee flavor is robust without bitterness and is determined by three elements:
water temperature, the time ground coffee is exposed to the water and how much of the
coffee is exposed to the water.
TEMPERATURE
The ready-to-brew internal hot water tank keeps water at the ideal
brewing temperature of approximately 200°F.
TIME
The fast 3-minute cycle is the perfect brew cycle time for the most coffee
flavor without bitterness. Brew cycles that expose ground coffee for more
than 6 minutes cause an overextracted, bitter taste.
TURBULENCE
The unique sprayhead design creates the right amount of turbulence to
suspend ground coffee and extract flavor evenly and thoroughly.
With most coffee makers, water drips straight through without evenly
exposing all coffee granules to the water.
Use of decaffeinated, fine grind coffee and/or softened water may cause
BUNN Customer Service at 800-352-2866 to order a flow restrictor
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sprayhead free of charge.
For the best cup of coffee, grind fresh beans just before brewing. Adjust
the amount of coffee to suit your individual taste.
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6
BUNN recommends you DO:
•
•
•
Keep coffee stored in a clean, dry place away from heat registers and vents or
extreme cold for maximum freshness.
Use enough coffee (one to two heaping tablespoons per cup or about 1½ inches of
coffee in a flat-bottom filter.)
Use a thermal carafe if you plan to hold coffee more than 20-30 minutes. Coffee
can be held in a glass decanter for up to 30 minutes or a thermal carafe for about
two hours.
•
•
•
Make sure to clean your decanter every day.
Pre-heat the thermal carafe with hot water for best results.
Use only BUNN paper filters for proper fit and function. Using a shorter filter may
result in overflow.
•
•
Dispose of filter and grounds immediately after brewing to prevent drip-through of
unwanted flavors trapped in used coffee grounds.
Clean your BUNN brewer with mild, dish soap and water at least once a week,
especially the sprayhead area. (Do not use any soap or cleaner with citrus added).
Fresh, good-tasting water is essential for a perfect cup of coffee.
After all, ove 98% of the beverage is water. If your water contains
excessive amounts of sediment, taste or odors, we recommend
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installing a water conditioner and requesting a flow restrictor
sprayhead.
Your BUNN brewer is designed to remain plugged in at all times,
except during initial set up, when cleaning or if it will not be in use for
three or more days.
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BUNN recommends you AVOID:
•
Mixing fresh brewed coffee with previously brewed coffee.
•
Brewing over prev ously u ed coffee grounds - all the flavor has already been
completely ext acted
•
•
•
Re-heating for serving any coffee with a temperature below 175°F.
Serving coffee brewed with beans or ground coffee past the freshness date.
Letting coffee “bake” on a brewer warmer. Twenty to 30 minutes is the maximum
time allowable for an open decanter to deliver a perfect cup of coffee.
•
Serving coffee in decanters that haven’t been properly cleaned, since acids and
other organic materials can taint even the best coffee.
7
CLEANING INSTRUCTIONS
Daily washing and cleaning of the brew funnel and decanter after each use is required.
Occasionally, wipe the outside of the brewer, including the area above the funnel, with
mild, no citrus added dish soap and a damp cloth. The brew funnel and decanter are top
rack dishwasher safe. Please see page 9 for instructions on cleaning your thermal carafe.
DELIMING
You should delime your BUNN brewer to clear any deposits that may have accumulated
due to impurities in the water source. The frequency of deliming depends on the mineral
content of your water.
NOTE - Unplug the brewer and let it cool down before deliming.
1. Remove the sprayhead by turning with your fingertips and set it aside.
2. Insert all but two inches of the flexible deliming tool (supplied) into the sprayhead
3. Slide the tool in and out five or six times to loosen lime in the sprayhead tube.You
may need to twist, push and use some force when inserting the tool, then remove.
4. Prior to replacing sprayhead, pour one decanter of fresh water into the brewer.
Position empty decanter on the brewer and close the lid. Water will flow into decanter.
5. Check the holes of the sprayhead. If plugged with mineral deposits or white flakes,
they may be cleared by using a toothpick. Clean the sprayhead with a cloth and mild
detergent. Rinse the sprayhead with water, then reinstall. Empty water from decanter.
6. Plug in the brewer and allow the water in the tank to reheat before using
(approximately 15 minutes).
PERIODIC CLEANING
You should clean your BUNN brewer at least every 3 months. The frequency of cleaning
depends on the mineral content of your water.
1. Slide an empty brew funnel into the brewer under the sprayhead and center an empty
decanter on the base plate.
2. Open the lid and pour one quart of white vinegar into the top of the brewer; close the
lid. Empty the decanter when liquid stops flowing from the funnel.
3. Allow the brewer to sit plugged in for two hours.
4. Unplug the brewer. Remove the brew funnel and sprayhead from the brewer. Clean
the sprayhead with a cloth and mild detergent.
5. To drain the brewer, continue to Step 6, OR to clear vinegar out of brewer without
draining, pour a decanter of fresh, cold water through the brewer. With funnel in
place, position decanter on base plate, then close the lid to allow the water to run
through the brewer. After it has run through, empty decanter and repeat the process
approximately 8 - 10 times.
Proceed to Step 9.
8
6. Cool the brewer by pouring a full decanter of fresh, cold water into the top of the
brewer. Place decanter on the base plate and close the lid. When water has stopped
flowing from the brewer, empty the decanter. Repeat this process and set the
decanter aside.
7. Grasp the back of the brewer and turn it upside down over a sink. Most of the water
in the tank will flow from the sprayhead tube opening. Some water may flow from the
area around the top lid. Continue tipping the brewer until the flow stops.
8. Pour a decanter of water into the top of the brewer. Place the decanter on the base
plate; close the lid and wait 3 minutes. Repeat this process with another decanter of
water. Water will flow out of the funnel after the second decanter has been poured in.
When flow from the funnel has stopped, empty the decanter and pour an additional
decanter of water into the brewer. Place the decanter on the base plate and close lid.
9. Replace the sprayhead and funnel. Pour additional decanters of fresh, cold water into
the brewer as needed until the water has no vinegar taste.
10. Place decanter on base plate and plug in the brewer. Allow the water in the tank to
reach brewing temperature before using (approximately 15 minutes).
While cleaning your brewer, don’t forget to check your glass decanter
handle. If loose, use a standard screwdriver to tighten.
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brew through valve
THERMAL CARAFE ROUTINE CLEANING (STX MODEL)
The carafe may be disassembled for cleaning. Rotate the lid
counterclockwise to remove. Occasionally, the brew through valve
should be removed and cleaned. Lift at the edge and pull up. Use
a mild, non-abrasive detergent to wash the lid thoroughly paying
particular attention to the passage where the brew through valve is located. After rinsing,
replace the brew through valve into the carafe lid. Do not use a scrub pad or other abrasive
cleaning device to clean the caraf , as this will scratch the stainless steel surface.
To remove coffee stains from inside the thermal carafe, place a paper filter in the funnel
and pour in two teaspoons of Cascade powder dishwasher detergent into the paper
filter. Slide funnel onto the rails and open brewer lid. Pour one carafe of cold water
into brewer. Position carafe on base plate of brewer and close lid. When brewing cycle
has stopped, remove the brew funnel and discard the filter and detergent; rinse funnel
thoroughly. Allow carafe to sit for 10-15 minutes. Using a long handled, soft bristled
brush, clean inside of carafe as well as the outer rim to remove any coffee stains or
debris. Occasionally scrub the carafe pour lip and the area around it, including the lid,
with a mild detergent and warm water. Use a soft cloth and scrub hard. When finished,
pour out solution into sink and thoroughly rinse carafe and lid with clean water.
9
DRAININGYOUR BREWER
The water in your BUNN coffee brewer should be emptied whenever it is taken on a trip,
shipped, stored in an unheated location with a chance of freezing, or goes unused for a
extended period of time. To drain your brewer, use the following procudure:
1. Unplug the brewer. Remove the brew funnel and sprayhead from the brewer and set
them aside.
2. Cool the brewer by pouring a full decanter of fresh, cold water into the top of the
brewer. Place decanter on the base plate and close the lid. When water has stopped
flowing from the brewer, empty the decanter. Repeat this process and set the
decanter aside.
3. Grasp the back of the brewer and carefully turn it upside down over a sink. Most of
the water in the tank will flow from the sprayhead tube opening. Some water may flow
from the area around the top lid. Continue tipping the brewer until the flow stops.
4. Replace the sprayhead and funnel after the water has been drained.
AUTHORIZED SERVICE
For Service Information Contact:
Bunn-O-Matic Corporation, 1400 Stevenson Drive, Springfield, IL 62703, (800) 352-2866
Bunn-O-Matic Corporation, 900 E. Townline Rd., Creston, Iowa 50801
Bunn-O-Matic Corporation Canada, 280 Industrial Parkway S., Aurora, Ontario L4G 3T9, (800) 263-2256
To receive full assistance, please have date code ready when calling for service.
(Located on the bottom of your brewer, see page 1)
BUNN Accessories
BUNN offers a complete line of accessories for
your BUNN home brewer, including paper filters,
decanters, thermal carafes, replacement funnels
and more.
Coffee Wipes help remove coffee and other food
stains from fabric. These handy towelettes are great
to keep in your glove box, purse, briefcase or at
home. Purchase online.
800-352-2866.
10
Troubleshooting
Suggestions
Problem
• Initial set up required - see page 4.
• Make sure lid is closed.
Coffee not coming out
• Evaporation can occur over time - reservoir may need to
be refilled. See initial set up on page 4.
• Requires a minimum of 4 cups (20 oz) to begin brewing.
• Check sprayhead holes, clean if necessary. See deliming
instructions (step 5) on page 8.
• Evaporation can occur over time - reservoir may need
refilled. See initial set up on page 4.
Brewed only partial
decanter
• Some water is always absorbed by the coffee grounds
and filter.You may need to adjust water input
accordingly.
• Use BUNN paper filters.
• Sprayhead is missing.
Funnel is overflowing
• Decaffeinated, fine grind coffee or softened water is
used. See bottom of page 10 to order correct sprayhead
or paper filters.
• Plug in brewer and turn on vacation switch on side
of brewer. Allow 15 minutes for water to heat to proper
temperature.
Coffee is cold
Coffee is not staying hot
• Warmer switch should be in the “on” position. (NHBX)
• If using a STX with thermal carafe, pre-heating will increase
the time your coffee will stay warm.
• Normal while water is heating.
• May be time to delime. Refer to page 8.
Loud rumbling noise
• Make sure lid is fully open.
• Brewer is not designed to hold water in upper tray for an
extended period of time.
Waterflow begins before lid
is closed
• Remove top lid to ensure rocker arm is snapped in place
and rubber stopper area is thoroughly cleaned.
• Refer to deliming instructions (step 3) on page 8.
Deliming tool doesn’t go in
all the way
Brewers or call 800-352-2866.
Brewer leaks
11
LIMITED WARRANTY
Bunn-O-Matic warrants the BUNN STX and NHBX Coffee Brewers (“Brewers”), except
glass serving bowl, to be free from defects in material and workmanship existing at the
time of manufacture and appearing within one of the following warranty periods:
a) Three (3) years from the date of original purchase of a NEW BREWER.
b) The later of three (3) years from the date of original purchase or one (1) year from
the date REPAIRED OR REPLACEMENT BREWER is received by the customer
when returned to Bunn-O-Matic before the new Brewer warranty has expired.
c) One (1) year from the date REPAIRED OR REPLACEMENT BREWER is received by
the customer when returned to Bunn-O-Matic after the new Brewer warranty has expired.
d) One (1) year from the date of purchase of a REMANUFACTURED BREWER.
If such a defect appears during the warranty period, we will (at our sole option)
repair or replace the defective Brewer with no charge for service or parts, provided the
Brewer is delivered at the customer’s expense to one of the authorized service centers
listed on page 11 of this booklet.
This warranty does not cover claims resulting from misuse, failure to follow instructions
on installation and use, use with water having a high mineral content, neglect, use
of unauthorized attachments, commercial use, use on a current or voltage other
than specified on the Brewer, or unauthorized service during the warranty period on
conditions otherwise covered by warranty.
THIS WARRANTY SHALL BE EXCLUSIVE AND SHALL BE IN LIEU OF ANY
OTHER EXPRESS WARRANTY, WRITTEN OR ORAL, INCLUDING BUT NOT
LIMITED TO ANY EXPRESS WARRANTY OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE. THE DURATION OF ANY IMPLIED
WARRANTIES, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, IS EXPRESSLY
LIMITED TO THE PERIOD OF DURATION OF THIS LIMITED WARRANTY.
Some states do not allow limitations on how long an implied warranty lasts, so the above
limitation may not apply to you.
THE CUSTOMER’S EXCLUSIVE REMEDY FOR BREACH OF THIS WARRANTY
OR OF ANY IMPLIED WARRANTY OR OF ANY OTHER OBLIGATION ARISING
BY OPERATION OF LAW OR OTHERWISE SHALL BE LIMITED AS SPECIFIED
HEREIN TO REPAIR OR REPLACEMENT, AT OUR SOLE OPTION. IN ANY EVENT,
RESPONSIBILITY FOR SPECIAL, INCIDENTAL AND CONSEQUENTIAL DAMAGES IS
EXPRESSLY EXCLUDED.
Some states do not allow the exclusion or limitation of incidental or consequential
damages, so the above limitation or exclusion may not apply to you.
This warranty gives you specific legal rights, and you may have other rights which vary
from state to state.
12
Maintenance Cleaning Record
Récord para Mantenimiento de Limpieza
Record the dates that deliming or periodic cleaning of your brewer was done.
Registrar las fechas del desincrustamiento ó limpieza periódica que se ha hecho a la cafetera.
Routine Cleaning/Limpieza de Rutina
Date/Fecha: ______________________
q Delime brewer/Desincrustar cafetera
q Periodic cleaning/Limpieza periódica
Routine Cleaning/Limpieza de Rutina
Date/Fecha: ______________________
q Delime brewer/Desincrustar cafetera
q Periodic cleaning/Limpieza periódica
Routine Cleaning/Limpieza de Rutina
Date/Fecha: ______________________
q Delime brewer/Desincrustar cafetera
q Periodic cleaning/Limpieza periódica
Routine Cleaning/Limpieza de Rutina
Date/Fecha: ______________________
q Delime brewer/Desincrustar cafetera
q Periodic cleaning/Limpieza periódica
Routine Cleaning/Limpieza de Rutina
Date/Fecha: ______________________
q Delime brewer/Desincrustar cafetera
q Periodic cleaning/Limpieza periódica
Routine Cleaning/Limpieza de Rutina
Date/Fecha: ______________________
q Delime brewer/Desincrustar cafetera
q Periodic cleaning/Limpieza periódica
Routine Cleaning/Limpieza de Rutina
Date/Fecha: ______________________
q Delime brewer/Desincrustar cafetera
q Periodic cleaning/Limpieza periódica
Routine Cleaning/Limpieza de Rutina
Date/Fecha: ______________________
q Delime brewer/Desincrustar cafetera
q Periodic cleaning/Limpieza periódica
Routine Cleaning/Limpieza de Rutina
Date/Fecha: ______________________
q Delime brewer/Desincrustar cafetera
q Periodic cleaning/Limpieza periódica
Routine Cleaning/Limpieza de Rutina
Date/Fecha: ______________________
q Delime brewer/Desincrustar cafetera
q Periodic cleaning/Limpieza periódica
Bunn-O-Matic Corporation
1400 Stevenson Drive
Springfield, IL 62703 USA
1-800-352-BUNN (2866)
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