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WILBUR CURTIS COMPANY, INC.
Soluble Dispensing System Instructions
Important Safeguards/Conventions
This appliance is designed for commercial use. Any servicing other than cleaning and maintenance should be performed by an
authorized Wilbur Curtis service center.
ModelsIncluded
• Do NOT immerse the unit in water or any other liquid
• To reduce the risk of fire or electric shock, do NOT open top panel. No user serviceable parts inside. Repair should be done
only by authorized service personnel.
◆ SD2
• Keep hands and other items away from hot parts of unit during operation.
• Never clean with scouring powders or harsh implements.
Conventions
WARNINGS – To help avoid personal injury
Important Notes/Cautions – from the factory
Sanitation Requirements
WARNING HOT LIQUID,
Scalding may occur.
Avoid splashing.
CAUTION: Please use
this setup procedure
before attempting to use
Your Curtis Café System is Factory Pre-Set and Ready to Go… Right from the Carton.
Following are the Factory Settings for your Soluble Delivery System:
• Tank Temperature = 190°F
this appliance. Failure to follow the
instructions can result in injury or
• Flavor Controls= Set at 50%
the voiding of the warranty.
• Dispensing Mode Set for Manual Dispensing
Generally there will never be a reason to change your SD2 programming. However, should you need to make slight adjustments to
meet your dispensing needs, programming instructions are provided later in this manual.
CAUTION: DO NOT
connect this unit to hot
water. The inlet valve is
not rated for hot water.
System Requirements:
• Water Source 20 – 90 PSI (Minimum Flow Rate of 1 GPM)
Equipment to be installed to comply with applicable federal, state, or local plumbing/electrical codes having jurisdiction.
SETUP STEPS
The unit should be level (left to right and front to back), located on a solid counter top. Connect a water line from the water filter to the
brewer. NOTE: Some type of water filtration device must be used to maintain a trouble-free operation. (In areas with extremely hard
water, we suggest that a sedimentary and taste & odor filter be installed.) This will prolong the life of your dispensing system and
enhance coffee quality.
The National Sanitation Foundation requires the following water connection:
1. A quick disconnect or additional coiled tubing (at least 2x the depth of the unit) so that the machine can be moved for
cleaning underneath.
2. In some areas an approved backflow prevention device may be required between the brewer and the water supply.
1. Connect a water line from your facility to the 1/4” flare water inlet fitting of the valve, behind the machine. Water volume
going to the machine should be stable. Use tubing sized sufficiently to provide a minimum flow rate of one gallon per minute.
2. Plug the power cord into an electrical outlet rated at 20A.
3. Switch on the toggle switch, behind the unit, that runs power to the components in the machine. The lights (display window
and row of buttons) on the front door will activate and the heating tank will start to fill.
4. Water in the heating tank will require about 30 minutes to reach operating temperature (factory setting of 190°F). At this time
the READY LED will light.
5. Remove and fill the canisters with soluble coffee mixes.
OPERATION INSTRUCTIONS
1. Select one of the coffee dispense buttons.
2. Place your cup beneath the spout of the desired coffee flavor.
2. Push and hold the dispensing button for this coffee selection.
3. Release the button when the cup is 2/3 full.
FILL CANISTERS DAILY
1. Open the front door to access the coffee canisters.
2. The canisters must be removed from the unit for filling. Turn the product delivery elbows upward.
3. Reposition the canisters on the machine, turning the product delivery elbows downward and aligning the gear socket with the
motor shaft.
WILBUR CURTIS COMPANY
Montebello, CA 90640
ISO 9001 REGISTERED
FOR THE LATEST SPECIFICATIONS AND INFORMATION GO TO
1
WWW.WILBURCURTIS.COM
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Programming Continued ...
Manual Liquid Dispensing Mode
This feature sets up the SD2 unit to dispense coffee only as long as the user holds down the selected PUSH button.
As soon as the user stops pressing the button, coffee stops flowing into the cup. Setting the unit for Manual Liquid Dispense will turn off the
Portion Control Dispense Mode.
Enter
Program Mode
Enter Program Mode – press and hold STOP/WASH for about ten [10] seconds until all lights on the control panel
are blinking.
Set Manual Dispense – While you are in the programming mode, press and hold the PUSH button.
Hot liquid will start to flow.
Continue to hold down the PUSH button until liquid stops flowing, then release the button.
Select Manual
Liquid Dispense
At this time, you have selected the Manual Liquid Dispensing Mode and have exited out of the programming mode.
Stop & Exit
Confirm/Reset Temperature
These features allow you to check the heating tank temperature or change the temperature if desired. The temperature in the tank is
programmable from 170°F, in 2 degree increments up to 204°F .
Temperature Settings
T
o Confirm Temperature. Press and hold STOP/WASH button for approximately 2-3 seconds. When the READY light Number of
Blinks
Temperature
starts blinking. Lift off from STOP/WASH button. Each blink equals 2ºF, starting with 170ºF, to a maximum of 204ºF.
1
2
3
170ºF
172ºF
174ºF
176ºF
178ºF
180ºF
182ºF
184ºF
186ºF
188ºF
190ºF
192ºF
194ºF
196ºF
198ºF
200ºF
202ºF
204ºF
To Change Tank Temperature
4
5
6
7
Enter
Temp. Program
Enter Temperature Program Mode. Press and hold STOP/WASH button. READY light will
start “quick flashing”.
8
9
10
11
12
13
14
15
16
17
18
To Change Temperature. Continue holding STOP/WASH button. Each quick flash equals
2ºF. Release STOP/WASH when desired temperature is reached.
Change
Tank Temp.
Set & Exit
To Set and Exit, press either of the PUSH buttons.
LOW TEMPERATURE LOCKOUT (DELTA): This mode will give you a choice of two minimum operating temperatures. Delta one allows you to operate
the unit at a temperature as low as 195º F. Delta two will allow you to dispense at a temperature as low as 185º F. Delta three does not limit the minimum
operating temperature. The Cafe system comes from the factory with a Delta three setting. To make adjustments enter Program Mode:
1. Press and hold Stop/Wash button, until all lights on the control panel are blinking, about 10 seconds. Release button.
2. While in the Program Mode, press and hold Stop/Wash button the READY light will begin blinking, continue to hold the Stop/Wash button. The READY
light will stop blinking. Continue holding Stop/Wash button until the READY light comes back on in a longer, 3 second glow.
3. Now release the Stop/Wash button The READY light will now blink a pattern of flashes indicating current delta setting.
DELTA ONE (one long glow, followed by one blink) allows you to run the coffee dispense at five degree below maximum.
DELTA TWO (one long and two blinks) allows you to run the coffee dispense at 15 degrees below maximum.
DELTA THREE (one long and three blinks) allows you to operate the unit at any temperature.
4. To change the setting, press and hold the Stop/Wash button for about three seconds until you receive a short flash. Release the button and you will
add one blink to the delta pattern or continue holding to add two blinks.
5. To set press any other button. The unit will return to normal operation with the new delta lockout setting.
3
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ErrorCodes
ERROR CODES: Curtis Cafe systems contain various safety features in the electronic circuitry that shut down the functions of the unit in the event
of a system failure. Error codes are signalled by the READY light blinking one of two patterns:
WATERLEVELPROBLEM3LONGAND1SHORT
Thecodecanbeinitiatedbyavarietyofoccurances.
A water line is turned off or a filter needs changing.
A water inlet valve may be malfunctioning.
Awaterlevelprobemaybegrounded.
There may be a loose connection or a defect in the control board.
TEMPERATURESENSORPROBLEM3LONGAND2SHORT
Power may be turned off.
Temperaturesensormayhaveabadconnectionormaynotbetightagainstthetank.
Heatingelementmaybeburnedout.
Control board may be faulty.
Flushing the Whipper Chambers
CAUTION:
DO NOT use
undiluted
Every three to four hours or more often if necessary flush the whipper chamber/dispensing system.
A. Make sure power is ON.
B. Press and hold the STOP/WASH button. Select one of the PUSH dispensing buttons and press. Hot rinse water
will flush out the system. Lift off the STOP/WASH button when water runs clear.
C. Clean up any water that may have spilled.
bleach or chlorine.
Cleaning
A. Switch off the unit at the power toggle switch, marked CONTROL, behind the unit.
B. Wipe all exterior surfaces with a damp cloth; removing any spills, dust or debris from the unit.
C. Remove the drip tray and louvered screen and wash out its contents. For hard to clean deposits, use a mild
detergent solution.
D.Clean around the dispensing area, wiping with a nontoxic cleaner.
Instructions,DumpValveAdjustment
Changing the strength of the drink involves adjusting the product flow rate. This is usually done at the front control panel. The regulating of this mix should be
done through reprogramming the settings. This setting affects the throw of product only. Through this method, you may change the flavor profile in 10%
increments.
The Water flow is preset to ensure optimum mixing and proper chamber rinsing. The valves have been set at the factory and should not require adjusting.
The factory flow rate setting is 10 oz. of water in 16 seconds (or 0.63 oz. /sec.).
WerecommendthatyouregulatethewaterflowinthevalveONLYwhenreplacingavalve.
Dumpvalve,waterflowadjustment:
I. Removethecanisters. Openthefrontdoorandoneachcanister, turnproductdeliveryelbowsupward. Take
outallproductcanisters. Thevalveaccesspanel isbehindthecanisters. Removethepaneltoaccessthedump
valves.
WARNING: As with all electrical equipment, caution must be taken to avoid electrical shock. Be
sure the power cord is disconnected before removing components. The following steps will also
involve working near hot surfaces.
Figure 1. Adjustment
II. Instructionsforreplacingavalve:
A. Shut off the water line running into the unit.
B. Drain approximately ½ to ¾ gallon of water from the tank by pressing on of the dispense buttons. This
will insure that the water level is below the level of the valves. Remove the wires and water tubing from
the defective valve and pull it from the silicone fitting.
C. Disconnect the power cord or turn off the unit at the toggle switch behind the unit.
E. Before installing the new dump valve on the tank, make an initial adjustment with the valve off of the
tank.
Figure 2. Restrictor Closed.
4
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1. Loosen the small screw on the metal guard. Rotate it away from the adjustment screw (fig. 1.).
2. Carefully, turn flow adjustment screw clockwise all the way in (see figure 2.). Observe restrictor position . Do not overtighten.
3. Now turn the flow adjustment screw counter clockwise three [3] turns (or 1½ turns from the fully open position).
4. Replacethemetalguard.
5. Install the valve on the tank, attaching wires and silicone tube. Press the valve fully into the fitting on the heating tank.
II. Toadjustavalvecurrentlyonyourunitortotesttheoperationofthenewvalve:
A. Turn on power to the unit. Turn on the water line and allow the tank to refill.
B. Place a container under the nozzle. Allow the unit to return to set temperature (Ready indicator will light).
C. Press the dispense button at the station that you are adjusting.
D. Measurethewatervolume.
E. Making adjustments of the restrictor with the valve mounted on the tank.
1. Turntheadjustmentscrewclockwisetodecreasewaterflow.
2. Turn the adjustment screw counter clockwise to increase the water flow..
III. Close the access panel, return canisters to the unit turn the product delivery elbows downward and close the front door.
Illustrated Parts List
Item Nº
Pa
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Item Nº
Pa
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2
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WC-WC-5851 COVER, TANK W/NOTCHES
27 CA-1006-03 * CHAMBER, WHIPPER
WC-43062 *
WC-5502 *
WC-29047
WC-3734 *
WC- 904-04*
GASKET, TANK LID
28 CA-1128*
29 WC-58173
30 WC-39471
31 WC-38290
32 CA-1095
NOZZLE, DISPENSE SD2
DOOR, FRONT WA
PROBE, WATER LEVEL
ELBOW, OVERFLOW, PLASTIC
KIT, DUMP VALVE 120V 12W
HEATING ELEMENT 1.6KW 120VAC W/NUTS
LABEL, CONTROL PANEL SD2
LABEL, DOOR CURTIS LOGO SD2
CONNECTOR, ORIFICE WATER
BULKHEAD, WATER FITTING
PLATE, WHIPPER CHAMBER
LABEL, SPLASH PANEL
WC-1438-101 * SENSOR, TEMPERATURE TANK
33 CA-1011-05
34 WC-66011 *
35 WC-38269
36 WC-58144
37 WC-58180
38 WC- 826L *
39 WC- 788 *
WC- 521 *
WC-2628
SWTICH, #4680 VESSEL LIMIT
BUSHING, CONICAL .469 ID SILICONE
TEE, INLET PLASTIC GEN USE
TANK ASSY, 1600W-120VAC
HEATING TANK COMPLETE, 1600W-120V
COVER, TOP
10 WC-29046
11 WC-54210
SCREEN, DRIP TRAY
PAN, DRIP TRAY
12 WC-62016
13 WC-58137
14 CA-1113-01 *
15 CA-1111-01 *
16 CA-1026-03
17 WC-37123
18 WC-29601
19 CA-1037-6R
20 WC-58172
21 WC- 727
VALVE, INLET 1.15 GPM
CONTROL POWER MODULE HYBRID
CANISTER ASSY, SMALL
40 WC- 718-101 TRANSFORMER ASSY, 240/120VAC-12VAC 500mA
CANISTER ASSY, LARGE
41 WC- 102 *
42 WC-58142
43 WC-58127
44 CA-1049
SWITCH, TOGGLE NON-LIT 25A 120/240VAC
COVER, DUMP VALVES
ELBOW, CANISTER
FAN, EXTRACT 120V 29CFM 60Hz
SPOUT ASSY, HOT WATER
TUBE, EXTENSION RED 2.5” LG.
COVER, SWITCH PANEL
COVER, SIDE ACCESS
MAGNET, SNAP-IN
45 WC-3765L*
46 WC-3518 *
47 WC-3503 *
48 WC-5310 *
49 WC-1030 *
50 WC-37201*
51 CA-1036
KIT, INLET VALVE REPAIR FOR USE ON WC-826L
LEG, GLIDE 3/8”-16 X 1/2”
PANEL, SWITCH 4 BUTTONS 4 LEDS
STRIKE, MAGNET SCREW MOUNTED
SPACER BOARD .25 OD x .125L
STEAM TRAP
LEG, SCREW BUMPER 3/8-16 STUD
TUBING, 5/16” ID x 1/8” W SILICONE
HOSE, EXTRACTOR FAN
22 CA-1049-102
23 WC-43048 *
24 CA-1005-03 *
25 CA-1009-03 *
26 CA-1024-05 *
KIT, GEAR MOTOR & GEAR SD2 ONLY
GEAR, PLASTIC
MIXING BOWL
PILLAR, LOCATION BLACK
* Suggested Parts to Stock
5
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Illustrated Parts List
1
2
3
4
13
5
11
12
6
7
8
9
10
43
14
15
41 42
16
17
A
18
19
20
21
43
44
22
23
35
38
39
40
24
25
36
37
32
33
34
26
27
29 30 31
46
47
28
45
50
48
49
51
A
5
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Electrical Diagram
7
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Product Warranty Information
The Wilbur Curtis Company certifies that its products are free from defects in material and workmanship under normal use. The following limited
warranties and conditions apply:
3 Years, Parts and Labor, from Original Date of Purchase on digital control boards.
2 Years, Parts, from Original Date of Purchase on all other electrical components, fittings and tubing.
1 Year, Labor, from Original Date of Purchase on all electrical components, fittings and tubing.
Additionally, the Wilbur Curtis Company warrants its Grinding Burrs for Forty (40) months from date of purchase or 40,000 pounds of coffee,
whichever comes first. Stainless Steel components are warranted for two (2) years from date of purchase against leaking or pitting and replace-
ment parts are warranted for ninety (90) days from date of purchase or for the remainder of the limited warranty period of the equipment in which
the component is installed.
All in-warranty service calls must have prior authorization. For Authorization, call the Technical Support Department at 1-800-995-0417. Effective
date of this policy is April 1, 2003.
Additional conditions may apply. Go to www.wilburcurtis.com to view the full product warranty information.
CONDITIONS & EXCEPTIONS
The warranty covers original equipment at time of purchase only. The Wilbur Curtis Company, Inc., assumes no responsibility for substitute
replacement parts installed on Curtis equipment that have not been purchased from the
Wilbur Curtis Company, Inc. The Wilbur Curtis Company will not accept any responsibility if the following conditions are not met. The warranty does
not cover and is void under the following circumstances:
1) Improper operation of equipment: The equipment must be used for its designed and intended purpose and function.
2) Improper installation of equipment: This equipment must be installed by a professional technician and must comply with all local electrical,
mechanical and plumbing codes.
3) Improper voltage: Equipment must be installed at the voltage stated on the serial plate supplied with this equipment.
4) Improper water supply: This includes, but is not limited to, excessive or low water pressure, and inadequate or fluctuating water flow rate.
5) Adjustments and cleaning: The resetting of safety thermostats and circuit breakers, programming and temperature adjustments are the
responsibility of the equipment owner. The owner is responsible for proper cleaning and regular maintenance of this equipment.
6) Damaged in transit: Equipment damaged in transit is the responsibility of the freight company and a claim should be made with the carrier.
7) Abuse or neglect (including failure to periodically clean or remove lime accumulations): Manufacturer is not responsible for variation
in equipment operation due to excessive lime or local water conditions. The equipment must be maintained according to the manufacturer’s
recommendations.
8) Replacement of items subject to normal use and wear: This shall include, but is not limited to, light bulbs, shear disks, “0” rings, gaskets,
silicone tube, canister assemblies, whipper chambers and plates, mixing bowls, agitation assemblies and whipper propellers.
9) Repairs and/or Replacements are subject to our decision that the workmanship or parts were faulty and the defects showed up under normal
use. All labor shall be performed during regular working hours. Overtime charges are the responsibility of the owner. Charges incurred by
delays, waiting time, or operating restrictions that hinder the service technician’s ability to perform service is the responsibility of the owner of
the equipment. This includes institutional and correctional facilities. The Wilbur Curtis Company will allow up to 100 miles, round trip, per in-
warranty service call.
RETURN MERCHANDISE AUTHORIZATION: All claims under this warranty must be submitted to the Wilbur Curtis Company Technical
Support Department prior to performing any repair work or return of this equipment to the factory. All returned equipment must be repackaged
properly in the original carton. No units will be accepted if they are damaged in transit due to improper packaging. NO UNITS OR PARTS WILL
BE ACCEPTED WITHOUT A RETURN MERCHANDISE AUTHORIZATION (RMA). RMA NUMBER MUST BE MARKED ON THE CARTON
OR SHIPPING LABEL. All in-warranty service calls must be performed by an authorized service agent. Call the Wilbur Curtis Technical
Support Department to find an agent near you.
WILBUR CURTIS CO., INC.
6913 Acco St., Montebello, CA 90640-5403 USA
Phone: 800/421-6150
Fax: 323-837-2410
FOR THE LATEST SPECIFICATION INFORMATION GO TO WWW.WILBURCURTIS.COM
8
Printed in U.S.A. 4/05 F-3372-S Rev C
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