Bunn JDF-4S Lit Door Guide d'installation

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Fabricants de jus
Taper
Guide d'installation

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JDF-2S
JDF-4S
Silver Series
®
INSTALLATION & OPERATING GUIDE
BUNN-O-MATIC CORPORATION
280 INDUSTRIAL PARKWAY SOUTH,
AURORA, ONTARIO, L4G 3T9.
PHONE: (905) 841-2866 FAX: (905) 841-2775
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 1-800-263-2256.
44744.7002B 08/12 ©2012 Bunn-O-Matic Corporation
2
44744.2 030912
392, 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, In-
tellisteam, 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, A Partner You Can Count On, Air Brew, Air Infusion, Beverage Bar Creator, Beverage Profit
Calculator, Brew better, not bitter., BUNNSource, Coffee At Its Best, Cyclonic Heating System, Daypart, Digital Brewer
Control, 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.
BUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY
Bunn-O-Matic Corporation of Canada (“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 labour.
2) All other equipment - 2 years parts and 1 year labour plus added warranties as specified below:
a) Electronic circuit and/or control boards - parts and labour for 3 years.
b) Compressors on refrigeration equipment - 5 years parts and 1 year labour.
c) Grinding burrs on coffee grinding equipment to grind coffee to meet original factory screen sieve
analysis - parts and labour 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 judgement, 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 (905) 841-2866 or by writing to 280 Industrial Parkway South, Aurora, Ontario, L4G
3T9. 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, CONDITION,
WRITTEN OR ORAL, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY
OF EITHER MERCHANTABILITY, MERCHANTABLE QUALITY 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 defective equipment is covered by warranty, Bunn, at its
exclusive option while the equipment is under warranty, shall either 1) provide at no charge replacement parts
and/or labour (during the applicable parts and labour 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, consequential or punitive damages.
RETURN POLICY
CONTACT PLANT FOR RETURN MATERIAL AUTHORIZATION. ALL RETURNS MUST
BE AUTHORIZED BY BUNN-O-MATIC AND ARE SUBJECT TO A RETURN CHARGE.
3
USER NOTICES
Carefully read and follow all notices on the equipment and in this manual. They were written for your protec-
tion. All notices are to be kept in good condition. Replace any unreadable or damaged labels.
27442.7000
00986.7000
33461.7001
JDF-2S
WARNING
FAILURE TO COMPLY RISKS EQUIPMENT
DAMAGE, FIRE OR SHOCK HAZARD.
READ THE ENTIRE OPERATING MANUAL INCLUDING
THE LIMIT OF WARRANTY AND LIABILITY BEFORE
BUYING OR USING THIS PRODUCT.
00986.7000B 01/10 ©2007 Bunn-O-Matic Corporation
AVERTISSEMENT
• DO NOT OVERLOAD CIRCUIT.
• ALWAYS ELECTRICALLY GROUND THE CHASSIS.
• DO NOT DEFORM PLUG OR CORD.
• FOLLOW NATIONAL AND LOCAL
ELECTRICAL CODES.
• KEEP COMBUSTIBLES AWAY.
THIS EQUIPMENT IS ENERGIZED AT ALL TIMES UNLESS
ELECTRICALLY DISCONNECTED.
• NE PAS SURCHARGER LE CIRCUIT.
• TOUJOURS METTRE LE BOÎTIER À LA MASSE.
• NE PAS DÉFORMER LA FICHE OU LE CORDON.
• SE CONFORMER AUX CODES NATIONAL OU
LOCAL D'ÉLECTRICITÉ.
• GARDER LES PRODUITS COMBUSTIBLES À
DISTANCE.
TOUT MANQUEMENT À SE CONFORMER À CES
DIRECTIVES PEUT ENTRAINER DES DOMMAGES
À L'ÉQUIPEMENT OU PRODUIRE DES DANGERS
D'INCENDIE OU D'ÉLECTROCUTION.
VEUILLEZ LIRE LE MANUEL DE FONCTIONEMENT EN
ENTIER, Y COMPRIS LES LIMITES DE GARANTIES ET
RESPONSABILITÉS,AVANT D’ACHETER OU
D'UTILISER LE PRÉSENT PRODUIT.
L' ÉQUIPEMENT EST TOUJOURS SOUS TENSION LORSQU'IL
N'EST PAS DÉBRANCHÉ.
27442.7000B
AVERTISSEMENT
Pièces amovibles
Ne pas utiliser
l'appareil lorsque
le panneau est
enlevé.
Risk de choc électrique.
Debrancher le cordon
d'alimentation de
l'appareil avant de faire
l'entretien.
Moving Parts.
Do not operate
unit with this
panel removed.
Risk Of Electrical Shock.
Disconnect power
before servicing unit.
33461.7001C
CHARGE
Type R134A, Amount 9 oz (255 gm)
Design Pressures: High 255 Low 36
CHARGE
Type R134A, Quantité 9 oz (255 gm)
Pression requise: Haute 255 Basse 36
CONTENTS
Warranty ........................................................................................................................2
User Notices .................................................................................................................. 3
Initial Set-Up & Electrical Requirements ........................................................................ 4
Plumbing Requirements ................................................................................................ 4
CE Requirements ........................................................................................................... 4
Door Cover Installation .................................................................................................. 5
Plumbing Hookup .......................................................................................................... 6
Initial Fill ........................................................................................................................ 6
Loading ........................................................................................................................ 15
Priming ........................................................................................................................ 15
Operating Controls ......................................................................................................... 8
Dispenser Use .............................................................................................................. 10
Portion Control Option ................................................................................................. 10
Cleaning ....................................................................................................................... 12
Adjustments & Optional Settings ................................................................................. 14
Function Lists .............................................................................................................. 18
Troubleshooting ........................................................................................................... 20
Coolant Diagram .......................................................................................................... 26
Schematic Wiring Diagram .......................................................................................... 27
Quick Setup Guide ....................................................................................................... 29
HAZARDOUS VOLTAGE
TENSION DANGEREUSE
DISCONNECT FROM POWER
SOURCE BEFORE REMOVING!
DÉCONNECTER DE LA
SOURCE D'ALIMENTATION
AVANT D’ENLEVER !
WARNING AVERTISSEMENT
12559.7103
00656.7000
44744.2 082112
33461.7000D
CHARGE
Type R134A, Amount 10 oz (283 gm)
Design Pressures: High 335 Low 88
CHARGE
Type R134A, Quantité 10 oz (283 gm)
Pression requise: Haute 335 Basse 88
33461.7000
JDF-4S
Artwork for P/N: 00656.7000
Artwork Rev: F
Drawn: RN
Date: 06/27/08
Cet équipement doit être installé conformément au code
Canadien de plomberie et aux règlements de santé et de
sécurité qui s’ appliquent. Les modèles destinés à être
installés ailleurs qu’au Canada doivent respecter les codes de
plomberie et d’hygiène de la localité.
This equipment must be installed to comply with Canadian
Plumbing Codes and applicable health and safety regulations.
For models installed outside Canada, comply with the
applicable Plumbing /Sanitation Code.
4
PLUMBING REQUIREMENTS
This dispenser must be connected to a COLD WATER system with operating pressure between 20 and 100 psi (138
and 690 kPa). This water source must be capable of producing a minimum flow rate of 3 fluid ounces (88.7 milliliters) 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 (690 kPa) to reduce it to 50 psi (345 kPa). The regulator is also necessary if the water source has
pressure fluxuations. The main water inlet is a 3/8” (9.52 mm) MFL connection.
NOTE- At least 18 inches (457 mm) of an FDA approved flexible beverage tubing, such as reinforced braided polyethylene,
before the dispenser will facilitate movement to clean the countertop. It can be purchased direct from BUNN-O-MATIC (part
number 34325.10_ _ [see Illustrated Parts Catalog for complete part number.]) BUNN-O-MATIC does not recommend the
use of saddle valves to install the dispenser. The size and shape of the hole(s) made in the supply line(s) by saddle valves
may restrict water flow.
INITIAL SET-UP
CAUTION: The dispenser is very heavy! Use care when lifting or moving it. Use at least two people to lift or move the
dispenser. Place dispenser on a sturdy counter or shelf able to support at least 150 lbs. (68 kg). This dispenser is designed
for indoor use only.
Set the dispenser on the counter where it will be used. This dispenser requires a minimum of 4 inches (102 mm) of air
clearance at the rear and 8 inches (203 mm) of air clearance above the dispenser. Minimal clearance is required between
the dispenser sides and the wall or another appliance. For optimum performance, do not let warm air from surrounding
machines blow on the dispenser. Leave some space so the dispenser can be moved for cleaning.
ELECTRICAL REQUIREMENTS
CAUTION: The dispenser must be disconnected from the power source until specified in Electrical Hook-Up.
The 120V rated dispensers have an attached cord set and require a 2-wire, grounded, individual branch circuit rated
120 volts ac, 15 amp, single phase, 60Hz. The mating connector must be a NEMA 5-15R.
The 230V rated dispenser has an attached cord set and requires an attachment plug cap rated at least 230 volts ac, 15
amp. The attachment plug cap must meet with applicable national/local electrical codes.
Refer to the data plate for exact electrical requirements.
ELECTRICAL HOOK-UP
CAUTION: Improper electrical installation will damage electronic components.
1. An electrician must provide electrical service as specified.
2. Using a voltmeter, check the voltage and color coding of each conductor at the electrical source.
3. Confirm that the refrigeration switch near the main control board is in the OFF position.
4. Connect the dispenser to the power source.
5. If plumbing is to be hooked up later, be sure the dispenser is disconnected from the power source. If plumbing has
been hooked up, the dispenser is ready for Initial Fill.
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 specied 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 capabili-
ties, 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.
44744.2 062912
This equipment must be installed to comply with the National Plumbing Code of Canada and the
Canadian Food Inspection Agency. For models installed outside Canada, you must comply with the
applicable Plumbing/Sanitation Code for your area.
5
2. On Portion Control models, connect membrane
switches to Door Circuit Board.
4. Secure the door cover using 5 screws provided.
DOOR COVER INSTALLATION
1. Install door cover by first plugging the door harness connector into the machine harness connector located
at the bottom of the machine door.
P3577
P3579
JDF-2S
JDF-4S Shown
JDF-2S
JDF-4S
JDF-2S & JDF-4S
JDF-4S
P3578
P3577
P3840
3. Install door cover
44744.2 062912
6
INITIAL FILL
CAUTION: The dispenser must be disconnected from the power source throughout the initial fill except when
specified in the instructions.
1. Remove drip tray assembly and splash panel from the dispenser. Replace the drip tray.
2. Connect the water source to the back of the dispenser.
3. Pull the fill tube from the dispenser, remove the plug and connect it to the dispense nozzle.
4. Set the Program Switch (near main control board) to the ON position. (On older models without program
switch, set the Dispense Lockout Switch to the OFF position)
5. Connect dispenser to the power source. Press and hold the dispense button for the dispense station that the
tube is connected to for 10 seconds, until you hear the water valve turn on. (For Portion Control machines,
press and hold the PLUS/STOP switch)
6. Monitor the water bath fill level until water starts to trickle from the overflow tube. Then press the dispense
button again to stop the fill process.
NOTE: The fill timer may time out before filling is complete. Press and hold the dispense button for 10 seconds
to start again if needed.
FIG 1 Plumbing Connections - JDF-2S
PLUMBING HOOKUP
The plumbing connection is located on the rear of the dispenser. A 3/8" (9.52 mm) male flare adapter fitting
is supplied, installed on the rear of the dispenser.
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.
P3580-1
FIG 3 Initial Fill Hose - JDF-2S
P3581-1
FIG 2 Plumbing Connections - JDF-4S
FIG 4 Initial Fill Hose - JDF-4S
P3841
P3846
44744.2 062912
7
FIG 5 Initial Fill Connection - JDF-2S
P3582
7. Turn ON the refrigeration switch near the main control board. This will start the water bath pump circulation.
8. Check water level in the overflow tube and top off the tank if necessary (Step 5).
9. Disconnect the fill tube and allow excess water to drain into the drip tray. Replace the plug in the end of the
fill tube and store back into the dispenser.
10. Set the Program Switch (near main control board) to the OFF position. (On older models without program
switch, set the Dispense Lockout Switch to the ON position)
11. Replace the splash panel and drip tray.
12. It will take several hours to create the ice bank required for full dispenser performance. During this time, some
further trickling from the water bath is expected due to expansion caused by ice bank formation. While the
refrigeration system is creating the ice bank, the dispenser may be readied for use as described in Loading,
Priming and Adjustment.
INITIAL FILL (Continued)
FIG 6 Initial Fill Connection - JDF-4S
P3842
44744.2 082112
8
OPERATING CONTROLS
FIG 7 Refrigeration Switch - JDF-2S
FIG 9 Product Dispense Switches - JDF-2S
Refrigeration Switch
The refrigeration switch is located on the Electrical Panel of the dispenser near the Circuit Board. This switch
controls power to the water bath pump and relay contacts for the compressor and condenser fan motor.
Product Dispense Switch (Mechanical Switch Machines)
Pressing and holding switch will initiate product flow from the respective nozzle; releasing the switch will stop
the flow.
P3583
FIG 10 Product Dispense Switches - JDF-4S
P3844
FIG 8 Refrigeration Switch - JDF-4S
44744.2 082112
9
FIG 11 Product Dispense Switches - JDF-2S
Product Dispense Switch (Membrane Switch Machines)
A. Product Dispense Switch
Momentarily pressing and releasing one of the switches will initiate a timed dispense. Each station has three
different timed dispenses which are preset at the factory. Refer to DISPENSER USE section for preset volumes
and adjustment procedures.
B. Plus/Stop Switch
This switch can be used to “top-off” a beverage. Pressing and holding switch will initiate product flow from
the respective nozzle; releasing the switch will stop the flow. Momentarily pressing this switch during a timed
dispense will stop the flow.
C. Chilled Water Dispense Switch (Optional for JDF-4S only)
Pressing and holding switch will initiate chilled water flow from the nozzle; releasing the switch will stop flow.
FIG 12 Product Dispense Switches - JDF-4S
OPERATING CONTROLS (Continued)
FIG 13 Dispense Lockout Switch
Dispense Lockout Switch (JDF-2S shown)
This switch is located at the bottom front of the dispenser
just behind the drip tray. It is used to turn ON and
OFF the Dispensing function. It is also used for some
programming and fill procedures.
FIG 14 Program Switch
Program Switch (JDF-2S shown)
This switch is located near the main control board next
to the refrigeration switch.
44744.2 062912
10
OPERATING CONTROLS (Continued)
Portion Control Option (Mechanical Switch Machines)
The dispenser is also equipped with a portion control option. The following steps will guide you through the set
up process for this option. Portion control can be set on one or all dispense heads as needed.
1. Unplug dispenser from power source.
2. Set the Program Switch (near main control board) to the ON position. (On older models without program
switch, set the Dispense Lockout Switch to the OFF position)
3. Remove drip tray and splash panel from the front of the machine then replace the drip tray.
4. Press and hold the left most (Station 1) dispense switch while plugging the dispenser into the power source.
Continue holding dispense switch(s) until all 4 temperature LED’s, Figs. 15 and 16 on the circuit board start
flashing slowly (this takes about 5 seconds). Release dispense switch(s).
5. Press and release any dispense switch 6 times to enter the portion control set up mode. This will cause the
4 temperature LED’s to flash rapidly.
6. Place a container under the desired dispense nozzle to measure the portion size.
7. Press and hold the desired dispense switch to dispense product until the desired amount of product is
achieved. (Maximum dispense time is 25 seconds). Repeat this on all dispense heads as desired.
8. Set the Program Switch (near main control board) to the OFF position. (On older models without program
switch, set the Dispense Lockout Switch to the ON position)
9. Place a container under the dispense nozzle(s) and press the dispense button to confirm that the portion size
is set correctly. Repeat steps 1-8 if any changes are needed.
10. Replace splash panel.
Note: The portion control dispense can be cancelled during a dispense by pressing the dispense button again.
Note: If a portion size is not set for a dispense head while in the portion control set up mode, that dispense head
will remain a push and hold dispense head.
Portion Control Option (Membrane Switch Machines)
Portion sizes are preset but can be adjusted by following these steps below.
1. Set the Program Switch (near main control board) to the ON position. (On older models without program
switch, set the Dispense Lockout Switch to the OFF position)
2. Press and hold the large and medium buttons on the left most (Station #1) dispense station until you hear
the machine "beep" three times.
3. Place a measuring container under the station to be adjusted, then press and hold the apprpriate dispense
switch until the desired amount is dispensed. The machine will record the amount of time that the button is
pressed continously. If the button is released too soon, simply empty the container and start over.
4. Repeat step 3 for all stations as desired.
5. Turn the program switch to the OFF position.
DISPENSER USE
Press and Hold Dispensing:
1. Place a cup on the drip tray beneath the desired dispensing nozzle.
2. Press and hold the “Product Dispense” switch until the beverage reaches the desired level, then release.
Push and Hold Membrane Switch Machines
1. To set single portion sizes on a push and hold membrane type dispense switch, follow steps 1 - 10 above.
44744.2 062912
11
P3585
FIG 15 Temperature LEDs JDF-2S
(Early Models)
FIG 16 Temperature LEDs JDF-4S
P3845
OPERATING CONTROLS (Continued)
FIG 15A Temperature LEDs JDF-2S
(Late Models)
Procedure to return all dispense heads back to Push and Hold mode (Mechanical Switch Machines):
1. Unplug dispenser from power source.
2. Place Program switch in the ON position.
3. Remove drip tray and splash panel from the front of the machine then replace the drip tray.
4. For the JDF-2S, press and hold either dispense switch while plugging the dispenser into the power source.
For the JDF-4S, press and hold two left dispense switches while plugging the dispenser into the power
source. Continue holding dispense switch(s) until all 4 temperature LED’s on the circuit board start flashing
slowly (this takes about 5 seconds). Release dispense switch(s).
5. Press and release any dispense switch three times.
6. Place Program switch back into the OFF position.
7. Replace splash panel and drip tray.
8. Place a container under each dispense nozzle and press dispense buttons to confirm machine is operating
in push and hold mode.
44744.2 062912
12
CLEANING & PREVENTIVE MAINTENANCE
Daily: Rinse Procedure
Tools required: 32 oz. (946 ml) minimum empty container
1. Open dispenser door. Lift up on product containers and remove them from the machine.
2. Close the door, place an empty container under the dispensing nozzle.
3. Dispense from each station until clear water flows from the dispense nozzle.
4. Open dispenser door and reconnect all product containers.
Daily: Parts Washing
1. Remove and wash the dispense nozzle(s), mixing element(s), drip tray and drip tray cover in a mild detergent solution.
Rinse thoroughly.
2. Wipe splash panel, areas around dispense nozzle(s), and refrigerated compartment with a clean, damp cloth.
Sanitize Process for Semi-Automatic and Manual
Tools required: 1 empty 5 gallon (18.9 L) bucket, 2 packets of Kay 5 sanitizer, and clean, empty concentrate container.
1. Remove all concentrate from the dispenser and store in a separate refrigerated compartment.
2. Fill clean empty concentrate container(s) with approximately 32 oz. (946 ml) of hot tap water (approximately 140 Deg.
F (60 Deg. C). Load the containers of hot water into the dispenser (just like concentrate).
3. Place an empty container under the dispense nozzles.
4. Press and hold the dispense button at each station until the stream out of the nozzles runs clear (about 30 seconds).
Note: the dispenser will not allow all stations to run at the same time.
5. Once this is completed, remove the container(s) and empty.
6. Remove each dispense nozzle and mixing element and run under hot tap water to remove excess pulp.
7. Prepare 2.5 gal. (9.46 L) of sanitizing solution by dissolving 1 packet of Kay 5 sanitizer into 2.5 gal. (9.46 L) of 120
Deg F (48.9 Deg. C) water to ensure 100 ppm of available chlorine.
8. Place nozzle(s) and mixing element(s) in a separate 1-quart container of sanitizing solutions and mix thoroughly. Allow
the parts to soak for 2 minutes.
9. Clean the dispense nozzle receptacle(s) (dispense valves) with the sanitizing solution and a soft bristle brush.
10. Clean the concentrate bottle’s inlet adapter(s) using the sanitizing solution and a soft bristle brush.
11. Replace the mixing element(s) and nozzle(s).
12. Fill approximately 128 ounces (3.8 L) of clean sanitizing solution into clean, empty concentrate container(s). Do not
use the sanitizing solution used in step 10. Load the container(s) into the dispenser.
13. Place the empty 5 gallon bucket under the dispense nozzles.
For Semi-Automatic Sanitizing Prior to S/N JDF0016500:
14. a. For the JDF-2S, press and hold both dispense buttons for about 10 seconds to initiate the sanitize cycle.
b. For the JDF-4S, press and hold three left most dispense buttons (Stations 1, 2 and 3) for about 10 seconds to initiate
the sanitize cycle. The cycle will start with only one of the dispense stations dispensing. Note: The cycle will consist
of a 1 minute dispense time (alternating) on each station, then 5 minutes of soak time, then a 2 minute dispense time
(alternating) on each station.
For Semi-Automatic Sanitizing Effective S/N JDF0016500 and up:
14. Turn the Program Switch in the bottom of the machine to the "ON" position.
a. For the JDF-2S, press the left dispense button 2 times, then press the right dispense button 2 times.
b. For the JDF-4S, press the left most (station 1) dispense button 2 times, then the left center (station 2) button 2
times. The cycle will start with only one of the dispense stations dispensing. Note: The cycle will consist of a 1 minute
dispense time (alternating) on each station, then 5 minutes of soak time, then a 2 minute dispense time (alternating)
on each station.
For Manual Sanitizing:
14. a. Dispense each station for 1 minute.
b. Allow to soak for 5 minutes.
c. Dispense each station for 2 minutes.
NOTE: On Portion Control models, use the plus/stop switches.
15. When the above cycle is complete, Remove the sanitizing solution and replace with concentrate.
16. At each station, press and hold the dispense switch until product appears. Then dispense one 12 ounce (354.9 ml)
glass of finished product and discard.
17. Wipe internal and external surfaces with a clean, damp cloth.
44744.2 062912
13
CLEANING (cont)
Monthly: Clean Condenser Coils
1. Use a soft bristle brush to clean the build up of dirt in the condenser.
NOTE: Some models include a removable filter that can be cleaned in warm soapy water.
Annually: Check water level in ice bath. Top off if needed.
Annually: Replace Pump Tubing
1. Open dispenser door.
2. Remove all product containers and place them in a refrigerated (35-40 degrees F [1.6-4.4 degrees C])
environment. Disconnect all connections to ambient products from the bottle adapter.
3. Rinse all dispense stations using steps outlined in “DAILY RINSE PROCEDURE”.
4. Disconnect dispenser from power source.
5. Remove the dispense platform cover.
6. Disconnect the dispense platform water line(s) from the supply line inside the refrigerated cabinet and
disconnect the wiring connection(s) from the cabinet receptacle(s).
7. Remove the mounting screw(s) securing the dispense platform(s) to the cabinet .
8. Pull the dispense platform(s) completely out of the cabinet and place it on a flat work surface.
9. Close the dispenser door.
10. Remove the 4 screws securing the pump head.
11. Gently pull the pump head apart.
12. Gently pull the pump tube from around the pump’s rotor.
13. Release the clamps securing the old pump tubing to the plastic elbows.
14. Pull the plastic elbows from the old pump tubing, and discard the old pump tubing.
15. Insert the plastic elbows into the new pump tubing and secure it with the clamps.
16. Gently wrap the new pump tubing around the pump’s rotor.
17. Reassemble the pump housing onto the platform assembly.
18. Repeat steps 10 through 17 for the remaining pump(s).
19. Replace the dispense platform(s) into the refrigerated cabinet, making sure to reconnect all electrical and
water connections.
20. Replace the dispense platform cover.
21. Turn power on to dispenser.
22 Install containers of rinse water, run each station and check for leaks. Repair leaks as necessary.
23. Replace product shelf and product containers. Reconnect any connections to ambient product containers.
24. Prime the pumps as described in “PRIMING” in the Initial Fill Section.
39690.0000 Tube Kit JDF-2S & JDF-4S
39688.0000 Tube Assembly
44744.2 062912
14
FIG 17 Adjusting Water Flow
Using 1/4" allen wrench
Mix Ratio Adjust water flow rate to: Product Brix %
(water + concentrate)
2+1 *3.75 fl. oz (111 ml) Prune Juice 16.0%
per 3-second test Other *
Orange Juice 11.8%
4+1 Pineapple Juice 12.8%
Cranberry Fruit Cocktail 14.0%
*4.0 fl. oz (118 ml) Grapefruit Juice 10.6%
per 3-second test Lemonade
5+1 Apple Juice 12.0%
Fruit Punch
Grape Juice 13.0%
3+1 through 7+1 Other *
Above 7+1 *4.0 fl. oz (118 ml) Other *
per 3-second test
High Viscosity Juice 2.25 - 3.0 fl. oz (66.5 - 89 ml) As Required -
per 3-second test
*Maximum flow rate may be less depending on the water pressure supply at each location.
Note: Information for specific products listed in this table is to be used for reference only. Consult the product
label for exact mix ratio and/or brix %. See product label for target brix %.
Water Flow Testing and Adjustment
NOTE: Purge all dispense stations to remove air from water line before
making initial adjustments.
1. Place a graduated measuring cup or the large chamber of the empty
brixing cup (BUNN-O-MATIC part number 33095.0000) under the ap-
propriate dispense nozzle. Place the Program switch in the ON position.
2. Press and release the desired “Product Dispense Switch” three times.
(On Portion Control models, use the plus/stop switches)
3. The selected position will dispense water (no concentrate) only for 3
seconds.
4. Measure the water dispensed.
5. Adjust the water flow rate Fig 17, (clockwise to increase flow rate;
counterclockwise to decrease flow rate) to the corresponding product
mix ratio as follows:
ADJUSTMENT & OPTIONAL SETTINGS
P3586
6. Repeat steps 1 through 5 as necessary until the correct water flow rate is achieved.
7. Repeat steps 1 through 5 for the remaining dispense positions.
8. Place the Program switch back into the OFF position.
Pump Speed Adjustment
1. Disconnect the dispenser from the power source.
2. Remove the drip tray.
3. Remove the two screws securing the splash panel and remove the splash panel.
4. Locate the adjustment knobs on the circuit board.
5. Turn the adjustment knobs clockwise to increase speed and counterclockwise to decrease speed.
6. The knob positions directly correspond to dispense station locations.
NOTE: Some 2S models have 4 adjustment knobs on the circuit board. For these models use the two left most
knobs to make pump speed adjustments. Left most being station #1 (left side dispense) and left center being
station #2 (right side dispense).
7. Reinstall the splash panel and drip tray and reconnect the dispenser to the power source.
44744.2 082112
15
LOADING
Frozen Concentrates
1. Thaw the frozen concentrate in a refrigerated 35-40 degrees F (1.6-4.4 degrees C) environment for 36 to 48
hours before use.
2. Thoroughly mix the thawed concentrate by vigorously shaking the product container.
3. Open the dispenser door.
4. Prior to placing the product container in the dispenser, make sure that the o-ring on the container adapter is
lubricated. This will ease removal of the container when it becomes necessary.
5. Place the product container in the desired position and press it firmly into the bottle adapter opening.
6. Open the vent hole in the product container.
Note: Concentrate in the container must be completely thawed and be within the temperature range of 35-40
degrees F (1.6-4.4 degrees C.) Product outside of this temperature range, especially below, will produce an “out
of brix” drink.
Ambient Concentrates (Optional)
1. Install an Ambient Concentrate Conversion Kit (BUNN-O-MATIC part number 33699.0002) per the instruc-
tions provided in the kit.
2. Attach the concentrate product hose to the appropriate concentrate line located at the rear of the dispenser.
3. Attach the other end of the product hose to the product container through an appropriate fitting.
PRIMING
1. Open the dispenser door
2. Load concentrate per instructions in section titled Loading.
3. Close the dispenser door.
4. Place a large container under the appropriate dispense nozzle.
Press and hold the “Product Dispense Switch” Fig 5, until concentrate dispenses from the dispense nozzle.
Note: This may take several seconds, depending on the installation and set pump speed.
44744.2 082112
16
Total Dispense Ratio Set Up Procedure
1. Adjust water flow as described in Water Flow Testing and Adjustment. Record water output setting for later reference on
each dispense head.
2. Place the Program switch in the ON position.
3. Place a measuring container under the dispense nozzle, press and release the DISPENSE button 6 times.
NOTE: For best results, discard the first sample and measure a second sample. Repeat the same practice after every adjustment.
4. Record the total ounces dispensed.
5. Refer to the Brix/Ratio chart below to confirm proper total dispensed amount for ratio desired and water output previously
recorded.
6. To increase or decrease the product output, refer to Pump Speed Adjustment section.
7. Place the Program switch back into the OFF position.
ADJUSTMENT & OPTIONAL SETTINGS (cont)
44744.2 082112
Ratio Target
2:1 3:1 4:1 5:1 6:1 7:1 8:1 9:1 10:1 11:1 12:1
1.5 2.25 2.00 1.88 1.80 1.75 1.71 1.69 1.67 1.65 1.64 1.63
1.75 2.63 2.33 2.19 2.10 2.04 2.00 1.97 1.94 1.93 1.91 1.90
2.0 3.00 2.67 2.50 2.40 2.33 2.29 2.25 2.22 2.20 2.18 2.17
2.25 3.38 3.00 2.81 2.70 2.63 2.57 2.53 2.50 2.48 2.45 2.44
2.5 3.75 3.33 3.13 3.00 2.92 2.86 2.81 2.78 2.75 2.73 2.71
2.75 4.13 3.67 3.44 3.30 3.21 3.14 3.09 3.06 3.03 3.00 2.98
3.0 4.50 4.00 3.75 3.60 3.50 3.43 3.38 3.33 3.30 3.27 3.25
3.25 4.88 4.33 4.06 3.90 3.79 3.71 3.66 3.61 3.58 3.55 3.52
3.5 5.25 4.67 4.38 4.20 4.08 4.00 3.94 3.89 3.85 3.82 3.79
3.75 5.63 5.00 4.69 4.50 4.38 4.29 4.22 4.17 4.13 4.09 4.06
4.0 6.00 5.33 5.00 4.80 4.67 4.57 4.50 4.44 4.40 4.36 4.33
3 second
water dispense
in ounces
Ratio Target
2:1 3:1 4:1 5:1 6:1 7:1 8:1 9:1 10:1 11:1 12:1
44.4 66.5 59.1 55.5 53.2 51.8 50.7 49.9 49.3 48.8 48.4 48.1
51.8 77.6 69.0 64.7 62.1 60.4 59.1 58.2 57.5 56.9 56.5 56.1
59.1 88.7 78.9 73.9 71.0 69.0 67.6 66.5 65.7 65.1 64.5 64.1
66.5 99.8 88.7 83.2 79.8 77.6 76.0 74.9 73.9 73.2 72.6 72.1
73.9 110.9 98.6 92.4 88.7 86.3 84.5 83.2 82.1 81.3 80.7 80.1
81.3 122.0 108.4 101.7 97.6 94.9 92.9 91.5 90.4 89.5 88.7 88.1
88.7 133.1 118.3 110.9 106.5 103.5 101.4 99.8 98.6 97.6 96.8 96.1
96.1 144.2 128.1 120.1 115.3 112.1 109.8 108.1 106.8 105.7 104.8 104.1
103.5 155.3 138.0 129.4 124.2 120.8 118.3 116.4 115.0 113.9 112.9 112.1
110.9 166.4 147.9 138.6 133.1 129.4 126.7 124.8 123.2 122.0 121.0 120.1
118.3 177.4 157.7 147.9 141.9 138.0 135.2 133.1 131.4 130.1 129.0 128.1
3 second
water dispense
in milliliters
17
Temperature Compensated Refractometer Method
1. Adjust the water flow as described in Water Flow Testing and Adjustment.
2. Place an empty container under the appropriate dispense nozzle.
3. Press and hold the “Product Dispense Switch” Figs 9 & 10, until water and concentrate begin flowing freely from the dispense
nozzle.
4. Discard the product caught previously and place the empty container back under the dispense nozzle.
5. Press and hold the “Product Dispense Switch” until the cup is filled.
6. Stir the contents of the cup, and use the refractometer (according to the manufacturer’s instructions) to check the brix %.
7. Adjust the pump speed (down to decrease the brix %; up to increase the brix %) to achieve the correct brix % as described
in Pump Speed Adjustment.
Optional Cold Water Flow Adjustment
Some dispensers are equipped with an optional cold water dispense valve. It is recommended to adjust the flow rate upon initial
set up of the dispenser. The adjustment for the cold water can be located inside the dispenser behind the right service panel.
The cold water dispense valve is mounted to the frame just above the ice bath. Attached to this valve is a needle type adjustment
valve. Turn the adjustment clockwise to decrease the water flow, and counter-clockwise to increase the water flow.
ADJUSTMENT & OPTIONAL SETTINGS (cont)
Dispenser Lockout
Dispense functions of the dispenser can be turned-off to prevent unauthorized use of the dispenser, while keeping
the refrigeration system running.
1. Locate the Dispense Lockout switch at the bottom front of the dispenser behind the drip tray.
2. Place the switch in the OFF position to prevent dispensing.
3. Place the switch in the ON position to allow dispensing.
NOTE: This switch will also operate the door lights on models equipped with this feature.
44744.2 082112
18
Circuit Board LED Indicators - JDF-2S (Early Models)
LED # LED Color Illuminates:
1 Green When the compressor should be ON.
2 Cabinet Red When the cabinet temperature is above 50 degrees F.
Flashes slowly when cabinet temperature exceeds 50 degrees F for 4
hours. Dispense functions are locked out under this condition. Power
down the dispenser to reset.
Flashes rapidly if dispense is attempted in lockout condition.
Open cabinet thermistor circuit will flash #2 and #3 LED’s 1 time every 3
seconds.
Shorted cabinet thermistor will turn #2 and #3 LED’s on steady.
3 Cabinet Green When cabinet temperature is below 50 degrees F.
4 Bath Red When bath temperature is above 34 degrees F.
Flashes slowly when compressor is in a 6 minute delay period.
Open bath thermistor circuit will flash #4 and #5 LED’s 1 time every 3
seconds. The compressor will not run under this condition.
Shorted bath thermistor circuit will flash #4 and #5 LED’s 2 times every 3
seconds. The compressor will not run under this condition.
5 Bath Green When bath temperature is below 34 degrees F.
FUNCTION LIST
P3585
FIG 18 JDF-2S
(Early Models)
1
3
5
2
4
44744.2 062912
19
FIG 19 JDF-4S
FUNCTION LIST (Continued)
3
1
2
4
5
P3845
Circuit Board LED Indicators - JDF-4S and Late Model JDF-2S
LED # LED Color Illuminates:
1 Bath Red When bath temperature is above 34 degrees F.
Flashes slowly when compressor is in a 6 minute delay period.
Open bath thermistor circuit will flash #1 and #2 LED’s 1 time every 3
seconds. The compressor will not run under this condition.
Shorted bath thermistor circuit will flash #1 and #2 LED’s 2 times every 3
seconds. The compressor will not run under this condition.
2 Bath Green When bath temperature is below 34 degrees F.
3 Green When the compressor should be ON.
4 Cabinet Red When the cabinet temperature is above 50 degrees F.
Flashes slowly when cabinet temperature exceeds 50 degrees F for 4
hours. Dispense functions are locked out under this condition. Power
down the dispenser to reset.
Flashes rapidly if dispense is attempted in lockout condition.
Open cabinet thermistor circuit will flash #4 and #5 LED’s 1 time every 3
seconds.
Shorted cabinet thermistor will turn #4 and #5 LED’s on steady.
5 Cabinet Green When cabinet temperature is below 50 degrees F.
44744.2 062912
20
TROUBLESHOOTING
A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems
encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic
Technical Service Department.
Inspection, testing, and repair of electrical equipment should be performed only by qualied service personnel.
All electronic components have 120-240 volt ac and low voltage dc potential on their terminals. Shorting of
terminals or the application of external voltages may result in board failure.
Intermittent operation of electronic circuit boards is unlikely. Board failure will normally be permanent. If
an intermittent condition is encountered, the cause will likely be a switch contact or a loose connection at a
terminal or crimp.
Solenoid removal requires interrupting the water supply to the valve. Damage may result if solenoids are
energized for more than ten minutes without a supply of water.
The use of two wrenches is recommended whenever plumbing ttings are tightened or loosened. This will
help to avoid twists and kinks in the tubing.
Make certain that all plumbing connections are sealed and electrical connections tight and isolated.
WARNING Exercise extreme caution when servicing electrical equipment.
Unplug the dispenser when servicing, except when electrical tests are specied.
Follow recommended service procedures.
Replace all protective shields or safety notices.
Cold Water Circulation
Dispense stations not working.
Note: Cooling failure or excessive
cabinet temperatures for more
than 4 hours will result in dispense
lockout or no dispense.
Note: Reset fault/timer by unplug-
ging unit.
1. Cabinet cooling fan.
2. Bath recirculation pump.
3. Restricted water flow to cabinet
water coil and bath.
Replace fan (24vdc).
Note: Fan receives power when the
dispenser is powered.
A) If not running, check refrigera-
tion switch and wiring for proper
continuity.
B) Check for 120V or 230V AC at
pump. Replace pump.
Check for kinked hose.
PROBLEM
PROBABLE CAUSE
REMEDY
44744.2 062912
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Bunn JDF-4S Lit Door Guide d'installation

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Fabricants de jus
Taper
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