Service Manual – CAFEOAT3
Contents
1. 8 9 ECN12607 9 16 10 15 3 ear 8671 edr 7275 7 30 10 15 5 WILBUR CURTIS CO INC 6913 Acco St Montebello CA 90640 5403 USA Phone 800 421 6150 Fax 323 837 2410 Technical Support Phone 800 995 0417 M F 5 30A 4 00P PST E Mail techsupport wilburcurtis com Web Site www wilburcurtis com FOR THE LATEST SPECIFICATION INFORMATION GO TO WWW WILBURCURTIS COM Printed in U S A 7 2012 F 3758 rev D 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 replacement 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 Su2. or harsh chemicals Your Curtis Cafe Oat unit is Factory Pre Set and Ready to Go Right from the Box Following are the Factory Settings for your Cafe System Tank Temperature 190 F Flavor Controls Set at 90 Dispensing Mode Set for Manual Dispensing Generally there will never be a reason to change your programming However should you need to make slight adjustments to meet your dispensing needs programming instructions are provided later in this manual System Requirements Water Source 20 90 PSI Minimum Flow Rate of 1 GPM Electrical See attached schematic for standard model or visit www wilburcurtis com for your model 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 and located on a secure 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 amp odor filter be installed This will prolong the life of your dispensing system and improve the product quality NSF International 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 under
3. 1 FOR THE LATEST SPECIFICATIONS AND INFORMATION GO TO WWW WILBURCURTIS COM Symbols WARNINGS To help avoid personal injury Important Notes Cautions from the factory Possible voiding of warranty Sanitation Requirements 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 display window and Stop Wash light on the front door will activate and the heating tank will start to fill 4 Water in the heating tank will require about hour to reach operating temperature factory setting of 190 F At this time the Ready LED will light 5 Remove and fill the canisters with oatmeal mixes Important Safeguards Conventions This appliance is designed for commercial use Any servicing other than cleaning and maintenance should be performed by an autho rized service technician 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 Keep hands and other items away from hot surfaces of unit during operation Never clean with scouring powders
4. GLE NON LIT 25A 120 240VAC COVER SIDE LEFT CAFE3OAT KIT TANK OVERFLOW FITTING WITH BUSHING BUSHING CONICAL GENERAL USE KIT TANK INLET FITTING INCLUDES BUSHING GUARD SHOCK HEATING ELEMENT HINGE ASSY PLASTIC CAFEPC SD2 LABEL GRAPHIC ADHESIVE CURTIS Suggested Parts to Stock ITEM PART DESCRIPTION ITEM PART DESCRIPTION Illustrated Parts List Used On Machines Built After 8 2012 5 Illustrated Parts List 10 11 1 2 3 4 5 36 7 8 15 16 9 19 20 21 22 23 30 31 24 25 38 26 27 28 29 32 33 34 6 35 12 37 13 14 15A 17 18 6 Electrical Diagram CHANGED THE TOTAL POWER WAS 1350 IS 1500 max CHANGED THE TOTAL AMPS WAS 12 IS 12 5 12 PIN CONNECTOR PEN ASSIGNMENTS PIN 9 GEAR MOTOR 2 PIN 10 DUMP VALVE 3 PIN 11 GEAR MOTOR 3 PIN 12 NOT USED PIN 8 DUMP VALVE 2 PIN 1 120VAC HOT PIN 2 120VAC HOT PIN 7 GEAR MOTOR 1 PIN 3 DUMP VALVE 1 PIN 4 INLET VALVE PIN 5 120VAC NEUTRAL PIN 6 NOT USED PIN 4 DATACOMM NET PIN CONNECTOR ASSIGNMENTS PIN 1 V 5V PIN 2 V L C PIN 3 DATACOMM IRST PIN 7 TEMPERATURE SENSOR PIN 3 ATER LEVEL PROE PIN 4 V 5V PIN 5 NOT USED PIN 6 TEMPERATURE SENSOR PIN 13 V L C PIN 14 CHASSIS GROUND 1 PIN CONNECTOR PEN ASSIGNMENTS PIN 9 NOT USED PIN 10 CAEPC3 E3 PIN 11 NOT USED PIN 12 DATACOMM PIN 8 N
5. OT USED PIN 1 12V TRANSOMER PIN 2 12V TRANSORMER 7 Cleaning and Food Safety Clean the CAFEOAT unit daily Cleaning should be performed not only to maintain a pleasant appearance but as a food safety discipline 1 Switch off the unit at the power toggle switch marked CONTROL behind the unit 2 Wipe all exterior surfaces with a damp cloth removing any spills dust or debris from the unit 3 Remove the drip tray and louvered screen and wash out its contents For hard to clean deposits use a mild detergent solution 4 Clean around the dispensing area wiping with a nontoxic cleaner 5 Turn on the unit at the power switch to return it to normal operation Food Safety is a discipline describing handling preparation and storage of food in ways that prevent foodborne illness This includes a number of routines that should be followed to avoid potentially severe health hazards The Basics Clean Separate Cook and Chill You can help prevent food poisoning from bacteria and viruses by following four simple steps when you prepare food CLEAN Wash hands and surfaces often SEPARATE Don t cross contaminate COOK Cook to proper temperature CHILL Refrigerate promptly Rough In Drawing 25 000 63 5 cm 20 750 52 7 cm 20 250 51 4 cm 11 750 29 8 cm 3 750 9 5 cm 8 EAR 10755 ECN 14278 7 25 12 10 5 EAR 9303 ECN 12979 2 24 11 13 5 ear 8972 ecn 12722 11 4 10
6. amaged 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 accord ing 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
7. any repair work or return of this equipment to the factory All returned equip ment 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
8. gram Mode Press and hold STOP WASH for approximately one 1 second then release The current setting will be indicated with the blinking light above the STOP WASH button To Change Temperature Press and hold the STOP WASH button again Each quick flash increases the temperature Release the STOP WASH button when desired temperature is reached After releasing the button the slow blinking light will resume The new temperature setting is indicated by counting the number of blinks To Set and Exit press one of the PUSH buttons To Change Tank Temperature 3 WATER LEVEL ERROR 3 LONG AND 1 SHORT When this code is seen on the control panel there is a malfunction in the water level control system TEMPERATURE SENSOR ERROR 3 LONG AND 2 SHORT When this light pattern is flashing on the control panel there is a system failure with the heating tank COMMUNICATION ERROR 3 LONG AND 3 SHORT This flashing light pattern indicates a communication error between the switch panel on the door and the power module 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 three patterns 4 I Instructions for replacing a valve A Shut off the water line running into the unit B Disconnect the power cord or turn off the unit at the toggle switch behi
9. gramming mode WARNING HOT LIQUID Scalding may occur Avoid splashing Place an empty container under the dispensing nozzles while programming All programming is performed at the control panel illustration right The STOP WASH BUTTON has several func tions This button is used to stop a Portion Control dispense cycle It is used to dispense hot water and it is used to enter the programming functions Enter Program Mode Press and hold the STOP WASH button for about ten 10 seconds until all lights start blinking To program Product Ratio Select the product button marked PUSH that you wish to change Press and hold this PUSH button for approximately one second then release The current setting will be indicated by the blinking light above the button To change the product throw Press and hold the selected PUSH button until the light starts to quick flash Each quick flash increases the amount by 10 Release the button when the desired throw ratio is attained After releasing the button the slower blinking light will resume The new product ratio setting is indicated by counting the number of blinks To exit the Powder Dispensing Mode press one of the other PUSH buttons on the control panel This will set the product ratio and exit from the program mode Product Ratio This controls the amount of dry product that is metered from the hoppers This can be programmed from 10 to 100 of the capacit
10. ll also involve working near hot surfaces COVER TOP HEATING TANK GEN USE GASKET TANK LID KIT PROBE WTR LVL W FITTING O RING NUT DUMP VALVE 120V 12W HEATING ELEMENT 1600W 120V W JMNUT SENSOR TEMPERATURE TANK SWITCH 4680 VESSEL LIMIT TANK COMPLETE CAFE PC3 KIT INLET VALVE REPAIR USE ON WC 826L COVER TOP CAFE PC3 CANISTER ASSY 4LB CAFEPC2 3 4 ELBOW CANISTER 3 WAY COVER DUMP VALVE GEAR PLASTIC CONNECTOR ORIFICE WATER ELBOW DISPENSE CAFEOATS BULKHEAD WATER FITTING TUBE DISPENSE HOT WATER LEG ADJUSTABLE BLACK TRANSFORMER 120VAC 12VAC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 15A 16 17 18 19 WC 5853 102 WC 43062 WC 5502 01 WC 3734 WC 904 04 WC 1438 101 WC 521 WC 6291 WC 3765L WC 7389 CA 1111 06 CA 1168 WC 58142 CA 1036 CA 1095 WC 66086 CA 1011 05 WC 53136 WC 3504 WC 718 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 WC 782 WC 37174 CA 1135 WC 5310 WC 68219 WC 68218 WC 722K WC 39554 WC 66033 WC 66036 101 WC 826L WC 102 WC 68211 WC 37266 WC 2627 WC 37365 WC 4394 CA 1136 WC 39872 CONTROL POWER MODULE CAFEPC s 120V KIT GEAR MOTOR amp GEAR LATCH ASSEMBLY DOOR SIDE MOUNT TUBING 5 16 ID x 1 8 W SILICONE COVER BACK DOOR DOOR CAFEPC PANEL SW 120V CAFE PC3 W SMART CARD LABEL CONTROL PANEL CAFEPC3 SCREEN DRIP TRAY CAFE PC3 DRIP TRAY ASSY CAFEOAT3 VALVE INLET 1GPM 120V 10W SWITCH TOG
11. nd the unit C Drain approximately to gallon of water from the tank to 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 D Before installing on the tank make an initial adjustment with the valve off of the tank 1 Loosen the screw on the metal guard Rotate 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 1 turns from the fully open position 4 Replace the metal guard 5 Install the valve on the tank attaching wires and silicone tube Press the valve fully into the fitting on the heating tank II Dump valve water flow adjustment The Water flow is preset to ensure optimum mixing and proper chamber rinsing The valves currently installed on your unit have been set at the factory and should not require adjusting The factory flow rate setting is 4 oz of water in 10 seconds or 0 4 oz sec Dump Valve Replacement We recommend that you regulate the water flow in the valve ONLY when replacing a valve 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 wi
12. neath 2 In some areas an approved backflow prevention device may be required between the CAFEOAT3 and the water supply 3 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 FILL CANISTERS DAILY 1 Open the front door to access the product canisters 2 Removed the canisters from the unit for filling Pull the canister towards you while lifting slightly from it s place on the canister shelf 3 Return the canisters to their position within the machine Align the gear socket behind the canister with the gear on the auger motor CAUTION DO NOT connect this unit to hot water The inlet valve is not rated for hot water CAUTION Please use this setup procedure before attempting to use this appliance Failure to follow the instructions can result in injury or the voiding of the warranty WARNING HOT LIQUID Scalding may occur Avoid splashing OPERATING INSTRUCTIONS 1 Select your flavor 2 Place a cup on the tray beneath the spout of your selected flavor 3 Press the dispensing button for this flavor and hold it down until cup has filled 4 After filling stir the oatmeal and then allow it to sit in the cup for a minute before eating Model CAFEOAT3 ISO 9001 2008 Wilbur Curtis Company Montebello CA 90640 Tel 323 837 2300 www wilburcurtis com Wilbur Curtis Compa
13. ny inC Service Manual CAFEOAT3 WARNING TO AVOID SCALDING Do not remove cup while product is dispensing Number of Flashes 10 20 30 40 50 60 70 80 90 100 1 2 3 4 5 6 7 8 9 10 Volume Steps to Programming 2 Your Curtis Cafe System is Factory Pre Set for Optimum Performance Portion Control Dispensing Mode This program adjustment allows you to setup the machine to automatically dispense a preset volume of oatmeal product When the user makes a PUSH button selection the unit dispenses only the volume of product programmed by the Portion Control Dispensing Mode By setting the unit for Portion Control Dispensing you have locked out the manual dispense feature Enter Program Mode press and hold STOP WASH for about ten 10 seconds until all lights start blinking To select amp change the Portion Control Dispensing Volume while in the programming mode press and hold the selected PUSH button until hot water starts flowing then release The timing starts when hot water begins to flow Stop amp Exit When the cup volume reaches 3 4 full press the PUSH button once again to stop the dispensing You have now set the automatic dispense timing for this button and have exited the programming mode Pressing the dispense button now will provide only the product volume that was just set To reset the timing you must start again by entering the pro
14. pport 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 amp 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 D
15. y of the dispensing system By counting number of flashes you can determine the product ratio currently set for this dispense button see table Confirm Reset Temperature Factory set at 190 F Manual Dispensing Mode This feature sets up the CAFEOAT unit to dispense product only as long as the user holds down the selected PUSH button Once you stop pressing the dispense button product stops flowing Setting the unit for Manual Dispense will turn off the Portion Control Dispense 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 selected PUSH button Hot water will start to flow Continue to hold down the PUSH button until the water stops flowing then release the button Now the selected PUSH button is setup for the Manual Dispensing Mode The control panel exits the programming mode These features allow you to check the heating tank temperature or change the temperature if desired The temperature in the tank is programmable from 80 F in 5 degree increments up to 140 F then temperature will jump 45 degrees to 185 F then resume 2 degree increments up to a maximum 204 F see Temperature Settings table right Enter Program Mode press and hold STOP WASH for about ten 10 seconds until all lights on the control panel are blinking Enter Temperature Pro
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