F-2068-S - Wilbur Curtis
Contents
1. M thd B ss COFFEE BREWER our 120 18 6 24 9712 Cee hol T 2 7 nd MEMBRANE CONTROL PANEL GROUNL GRN e LEFT UNIT WC 691 CONTROL BOARD WC 676 02 WARMER i WARMER 2 WARMER 3 LEVEL WHT VALVE INTEL SENSORI SENSOR2 PROBE HTR BLK HEATING ELEMENT WC 917 1450W POWER COR COMMON STUD WC 1200 CHASSIS GROUND y MEMBRANE CONTROL PANEL n CONTROL BOARD ASSY RIGHT UNIT a6 WC 39173 HOLE WC 691 CONTROL BOARO WC 676 02 GRN WARMER 3 WARMER 1 WARMER 2 BREW IN LEVEL WHT VALVE VE SENSORI SENSOR PROBE HTR BLK FOGGLE SWITCH WC 102 HEATING ELEMENT WC 917 1450W WARMER ELEMENT 947 BOTTOM ELEMENT WC 947 GRN POWER COR COMMON STUD NC 6G i CHASSIS GROUND 4 USE THIS DIAGRAM FOR ALL OTHER MODELS WITH ADDEO PREFIX LETTERS AND OR DIFFERENT DASH NUMBER ON THEIR PART NUMBERS HAVING THE SAME ELECTRICAL RATINGS Ex SCALPHA 6DL 10 and or ALPHA 6DL 12 01 5 INSFALL GROUND LUG OVER THE SENSOR ON TANK SENSOR STUD 2 DO NOT CHANGE NOR SUBSTITUTE WIRE COLORS i ALL WIRES SHALL BE 18AWG UL APPROVED APPLIANCE WIRE NOTE UNLESS OTHERWISE SPECIFIEO 22 DIAGRAM NO PART NO WIRES WATTAGE DRAWN GY CHECKED APPROVED EDR REV WD AL 5DR 50 arret SKENER oe Soo is 3 25 98 3 25 98 MEMBRANE CONTROL PANEL WC 3917 3 O CONTROL BOARD PA2. Unplug the machine from your power source 2 Remove the cover accessing the control board 3 Unplug the ribbon connector from the control board then take the new membrane and plug the connector into the control board Place it on a hard surface outside the unit sas SE CAUTION Do not bend the new membrane When pressing the buttons always have a hard flat surface to push against he tiny dome switches within the membrane may become Inverted unless you have something solid behind it WARNING TOHELP AVOID PERSONAL INJURY 5 I Figure 3 Testing Membrane Typical Do not place objects or reach your hands into the open unit 4 Return power to the unit and press the ON OFF button on the new membrane control panel 5 If your unit still does not function normally your problem may not be with the membrane panel but in another component If your unit runs okay then proceed with the replacement of the membrane control panel REPLACE THE MEMBRANE CONTROL PANEL 1 Unplug the machine from your power source or switch off at the circuit breaker 2 Remove the cover accessing the control board 3 On this unit there is a hot water faucet over part of the membrane control panel that must be removed Open the faucet and let the hot water pour out until the flow stops WARNING TO HELP AVOID
3. WC 3685 INSULATION WRAP ALPHA D WC 5310 TUBE SILICONE 5 16 1 0 WC 3765L KIT INLET VALVE REPAIR USE ON WC 826L WC 829 WASHER FLOW 35GPM 5 WC 43055 SHOCK GUARD RESET THERM WC 3763 KIT DUMP VALVE FOR WC866 WC889 WC816 WC817 amp WC818 WC 29018 PLASTIC TEE WC 4320 OF RING 9 4 ED ie a oe oe ee a RS WC 6206 COVER TOP ALPHA 1D 3DR amp 3DL WC 5820 COVER BOTTOM ALPHA 3DR amp 3DL 5DR amp 5DL WC 6224 COVER TOP ALPHA 2D WC 39174 MEMBRANE CONTROL PANEL ALP 2D WC 39175 MEMBRANE CONTROL PANEL ALP 1D WC 6642 COVER TOP ALPHA 6D WC 6666 COVER CENTER WRAP ALPHA 6D WC 5896 COVER BOTTOM ALPHA 6D WC 129 SWITCH WARMER RED ALPHA 5D WC 3621 BREWCONE UNIVERSAL PLASTIC STD ALPHA EXPORT COMPONENTS WC 103 TOGGLE SWITCH 220V WC 305 POWER BLOCK WC 701 TRANSFORMER 220V 120V WC 856 VALVE INLET 220V WC 860 VALVE DUMP 220V WC 922 04 ELEMENT HEATING 3 5KW 220V W JAM NUTS SILICONE WSHR WC 37163 KIT WARMER ELEMENT 100W 220V 11 ALPHA 3DR amp ALPHA 3DL THISFIGURE ILLUSTRATES THE DIFFERENCES BETWEEN THE ALPHA 3DR L AND THE ALPHA 3D THE ALPHA 3DR L HAS A PLAIN TOP COVER AND A WIDE BOTTOM COVER ALPHA 3DL ALPHA 3DR 67 Figure 6 Illustrated Parts Alpha 3DR amp 3DL 12 ALPHA 2D THIS FIGURE ILLUSTRATES THE DIFFERENCES BETWEEN THE ALPHA 2D AND THE ALPHA 3D THE ALPHA 2D HAS ONLY TWO WARMERS A DIFFERENT TOP COVERAND TWOW
4. CHASSIS GROUND 2 COLORS ARE FOR REFERENCE ONLY 1 ALL WIRES SHALL BE 22 AWG TEFLON NOTE UNLESS OTHERWISE SPECIFIED 15 WD ALZD 1 O PEERS Bus LE ues a 5712 97 fo kja 4 0 6 44 MEMBRANE CONTROL PANEL WC 59174 PADDED GRN CONTROL BOARD ASSY GROUND WC 691X 4 HOLE INLET BREW WARMER WARMER WARMER VALVE VALVE WHITE Wi W2 W3 SENSOR PROBE HEATER BLACK 3 YEL STP RED14 SENSOR WC 1438 HEATING ELEMENT WC 917 1450W TOGGLE SWITCH WC 102 POWER CORD WC 1200 WARMER ELEMENT WC 947 GRN COMMON STUD CHASSIS GROUND UL REQUIRES SEPARATE ROUTING FROM THE MAIN HARNESS ASSEMBLY ROUTING SUPPORT AND SECURE 5 USE THIS DIAGRAM FOR ALL OTHER MODELS WITH ADDED PREFIX LETTERS AND OR DIFFERENT DASH NUMBER ON THEIR PART NUMBERS HAVING THE SAME ELECTRICAL RATINGS Ex SCALP 2D 10 and or 20 10 01 4 CONTROL BOARD ASSEMBLY WITH SUFFIX ON PART NO REPRESENTS THE REVISION LEVEL EX WC 691J IS J REVISION 3 INSTALL GROUND LUG OVER THE SENSOR ON TANK SENSOR STUD 2 DO NOT CHANGE NOR SUBSTITUTE WIRE COLORS 1 ALL WIRES SHALL BE 22AWG TEFLON PER UL1330 NOTES UNLESS OTHERWISE SPECIFIED 16 WD AL 5D 10 COFFEE BREWER 6 16 99 her MEMBRANE CONTROL PANEL ALPHA 30 WC 359173 GRN PADDED CONTROL BOARD ASSEMBLY HOLE WC 691 SENSOR WC 676 02 CONTROL BOARD AK SENSOR B
5. V Wilbur Curtis Co Inc ALPHA DIGITAL COFFEE BREWERS SERVICE MANUAL Included in this service manual is information on the Alpha 1D Alpha 2D Alpha 3D Alpha 3DL Alpha 3DR Alpha 5DL Alpha 5DR and Alpha 6D The information is common to all Alpha digital brewers except where noted INCLUDES THE FOLLOWING UNITS ALPHA 1D ALPHA 2D ALPHA 3D ALPHA 3DR ALPHA 3DL ALPHA 5DR CONTENTS ALPHA 5DL ALPHA 6D Alpha Digital Setup Steps Brewing Coffee Requirements Programming Trouble Shooting Replacing Membrane Care amp Maintenance 8 Illustrated Parts Lists 9 15 Wiring Diagrams Alpha 1D Alpha 2D Alpha 3DL Alpha 5D Alpha 3D 61 63 Alpha 3D Export 24 Warranty Back Cover Carton Contents All products manufactured by the Wilbur Curtis Company are thoroughly Item inspected at the factory and are Automatic Coffee Brewer warranted to be free of all defects and Brewcone faulty workmanship The Alpha unit is Paper Filters packaged for maximum protection for Elbow Fitting 3 8 X 1 4 Flare shipping Make sure the shipping carton is not damaged or punctured Unpack the carton carefully inspecting the contents for any damage that may have occurred in transit Report any damage immediately to the freight company ALPHA DIGITAL The Alpha Digital series of automatic coffee brewers require installation to be in compliance with all local water and electrical power codes The Alpha is de
6. PERSONAL INJURY Allow faucet to cool before proceeding Components may be hot 4 Disconnect the ribbon cable plug from the control board 5 Remove the old membrane control panel by lifting one of the corners and peeling it from the front of the unit Pull the flex cable through the hole 6 With acetone remove any adhesive left on the stainless surface Clean and dry the surface 7 Take your new panel and insert the flex cable through the opening in front of the unit and connect the flex cable to the control board 8 Peel off the paper backing on the new membrane panel and carelully position the panel Line it up correctly with the switches and LEDs Press onto the surface of the unit You must get this right the first time Any attempl to reposition the membrane control panel will damage the small switches within the membrane 9 Reinstall the faucet Turn on the water Return the top cover and front cover Plug the power cord into and outlet CLEANING AND PREVENTIVE MAINTENANCE 1 Slide out the brew cone and clean around the sprayhead and dome using a nontoxic cleaner 2 Remove the sprayhead from the brewer and clean it This should be done at least once a week more often in heavy lime areas 3 Wipe any spills dust or debris from the exterior surfaces CAUTION Do not use cleansers bleach liquids powders or any other substance that contains chlorine These products promote corrosion and will pit the stainless steel THE U
7. Wilbur Curtis Company will allow up to 100 miles round trip per in warranty service call RETURN MERCHANDISE AUTHORIZATION 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 Departmentto find an agent near you Printed in U S A 8 06 1M F 2068 Rev B WILBUR CURTIS CO INC 6913 Acco St Montebello CA 90640 Web Site www wilburcurtis com Customer Service Tel 800 421 6150 Technical Service Tel 800 995 0417 E Mail techsupport wilburcurtis com
8. 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 Allin warranty service calls musthave prior authorization ForAuthorization 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 amp EXCEPTIONS The warranty covers original equipment attime of purchase only The Wilbur Curtis Company Inc assumes no responsibility for substitute replace ment parts installed on Curtis equipment that have not been purchased from the Wilbur Curtis Company Inc The Wilbur Curtis Company will notacceptany 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 wate
9. cvcles mav be required for unit to normalize l ENTERING THE PROGRAM MODE Forall programming functions you must first enter the programming mode as follows e Tum OFF the power from the Control Panel by pressing Pressand and pressand RELEASE ov MODE 1 e Continue HO LDING until starts blinking RELEASE MODE 2 Continue HO LDING unti Ab stops blinking RELEASE MODE 3 e Continue HOLDING until Nb stops blinking and remainson RELEASE Over CONHRM RESET BREW TEMPERA TURE ENTER THE PROGRAMMING MODE 1 PRE PROGRAMMED FOR 200 F Press ea for two seconds then RELEASE will start blinking Each blink equals 29 F starting at 170 max temp 2049 F or 18 blinks change Temperature pressand HOLD e lb will start QUIC K flashing Each QUIC K flash equals 2 F Afterreaching 2049 RAY TO BEN temperature starts over at 170 RELEASE when the desired temperature is reached The newly set tempera ture will now be displayed To set and exit press iar CHANGE BREW VOLUME IMPORTANT Before changing the brew volume place a measuring containeron the brew deck and insert the brew cone ENTER THE PROGRAMMING MODE 1 PRE PROGRAMMED FOR APPROXIMATELY 64 OUNCES Pressand HOLD until hot water starts running then RELEASE e When desired volume isreached press EM oon to stop the flow e To set and exit press TO ACCESS PREVENTATIVE MAI
10. 1200 E WARMER ELEMENT WARMER ELEMENT WC 947 WC 947 GRN FRONT LEFT REAR LEFT BOTTOM COMMON STUD CHASSIS GROUND 5 USE THIS DIAGRAM FOR ALL OTHER MODELS WITH ADDED PREFIX LETTERS AND OR DIFFERENT DASH NUMBER ON THEIR PART NUMBERS HAVING THE SAME ELECTRICAL RATINGS Ex SCALPHA 3DL 10 and or ALPHA 3DL 12 01 4 SUFFIX X DENOTES REVISION LEVEL OF CONTROL BOARD 3 INSTALL GROUND LUG OVER THE SENSOR ON TANK SENSOR STUD 2 00 NOT CHANGE NOR SUBSTITUTE WIRE COLORS 1 ALL WIRES SHALL BE 18AWG UL APPROVED APPLIANCE WIRE NOTE UNLESS OTHERWISE SPECIFIED 19 Wo La Eee 5 ALPHA 50 10 2 GND 60 1950 MDD WMA A WD ALSD 10 BREMEN mee mena Hos 3327 MEMBRANE CONTROL PANEL ALPHA 3D WC 39173 CONTROL BOARD ASSEMBLY PADDED WC 691X 4 CROUND INLET BREW WARMER WARMER WARMER VALVE WHITE Wi 2 WI SENSOR PROBE HEATER BLACK O STP RED WHT24 WHT24 ORG RED14 SENSOR WC 1438 HEATING ELEMENT WC 917 1450W BLU WHT we 347 BOTTOM B USE THIS DIAGRAM FOR ALL OTHER MODELS WITH ADDED PREFIX LETTERS AND OR DIFFERENT DASH NUMBER ON THEIR PART NUMBERS HAVING THE SAME ELECTRICAL RATINGS Ex XXALPHA SD 10 or 50 12 2 SUFFIX X DENOTES REVISION LEVEL OF CONTROL BOARD ASSEMBLY S INSTALL A GROUND WIRE ASSEMBLY FROM THE BOARD TO THE SENSOR STUD COMMON GROUND LUG MUST BE INSTALLED OVER THE SENSOR D
11. 4543 WC 4211 WC 1438 WC 29015 WC 29009 WC 5502 01 WC 4394 LABEL CAREFUL HOT SURFACE WARMER DECK UPPER ALPHA COVER WARMER ALPHA VALVE DUMP LEFT 120V 12W FITTING ASSEMBLY SPRAYHEAD PLATED O RING 1 2 1 D KIT MICROPROCESSOR ASSY ALPH D W BRD HT SNK SCREW 4x3 8 PHIL PAN HEAD MEMBRANE CONTROL PANEL ALPHA 3D INSULATION HEAT SLEEVE ALPHA WASHER TANK LID NUT 6 32 HEX S S SPACER BOARD 25 DIA x 264 FAUCET HOT WATER SEAT CUP SILICONE COVER FRONT ALPHA 1D 2D 3D NUT LOCK 5 8 BRASS SPRAYHEAD RED 131 DIA BUSHING 5 8 SNAP IN BREW CONE 7 1 8 ASSEMBLY STAINLESS BREW BASKET WIRE LEG SCREW BUMPER 3 8 16 STD GRIP CORD 7 8 CORD POWER 6 14 3 BLK SJTO ELBOW 1 4 x 3 8 FLARE SCREW MACHINE 1 4 20 x 1 2 PH HEAD S S VALVE INLET 1 GPM 120V 10W COVER BOTTOM ALPHA 3 TOGGLE SWITCH 120V COMPOUND SILICONE 5 OZ SCREW PAN HEAD 8 32 x 1 4 PLATE WARMER ALPHA WARMER ELEMENT 90W 120V NUT KEP 8 32 ZINC WARMER ASSEMBLY 90W 120V LID HEATING TANK GASKET TANK LID SCREW 8 32x 1 SLOTTED HEX SS NUT JAM 5 8 NPT BRASS SENSOR HEATING TANK FITTING ASSEMBLY OVERFLOW FITTING ASSEMBLY INLET PROBE WATER LEVEL SHOCK GUARD FOR HEATING ELEMENT 10 ALPHA DIGITAL Parts List INDEX PART NUMBER NUMBER DESCRIPTION WC 4306 WASHER 9 16 TEFLON WC 917 04 ELEMENT HEATING 1 45KW 120V W JAM NUTS amp SILICONE WSHR WC 522 THERMOSTAT RST WC 43058 PLUG TANK DRAIN PP RED
12. ARMER SWITCHES ON THE SWITCH PANEL Figure 7 Illustrated Parts Alpha 2D ALPHA 1D THIS FIGURE ILLUSTRATES THE DIFFERENCE BETWEEN THE ALPHA 1D AND THE ALPHA 3D THE ALPHA 1D HAS A PLAIN TOP COVER THE ALPHA 1D HAS ONLY ONE WARMER AND ONE WARMER SWITCH ON THE SWITCH PANEL Figure 8 Illustrated Parts Alpha 1D 13 ALPHA 6D THE ALPHA 6D IS BASICALLY AN ALPHA 3DR AND AN ALPHA 3DLLINKED TOGETHER THISFIGUREILLUSTRATES THE DIFFERENCESBETWEENTHE ALPHA 6D AND THE ALPHA 3D THE ALPHA 6D HAS A TOTAL OF SIX WARMERS ALARGER TOPCOVER CENTERCOVER AND BOTTOM COVER Figure 9 Illustrated Parts Alpha 6D ALPHA 5DL amp ALPHA 5DR THISFIGUREILLUSTRATES THE DIFFERENCES BETWEEN THE ALPHA 5Ds AND THE ALPHA 3D THE ALPHA 5D HAS TWO ADDITIONAL SIDE WARMERS AS WITH THE ALPHA 3DL amp 3DR BUT WITH TWOSEPERATEWARMER SWITCHES Figure 10 Illustrated Parts Alpha 5D 14 MM 2 DATE DATE WD AL10 TO certe sas PERE NE MEMBRANE CONIROL PANEL ALPHA 1D WC 59175 PADDED SRI GROUND CONTROL BOARD si WC 676 SENSOR COMMON STUD CHASSIS GROUND BREW INLET WARMER WARMER WARMER O PROBE VALVE VALVE WI W2 W3 WHITE HEATER BLACK WHT24 PROBE wc 5502 Pg SENSOR WC 1438 STP RED TOGGLE SWITCH 102 HEATING ELEMENT WC 917 1450W POWER CORD WC 1200 WARMER ELEMENT EET 0 HD MW al GRN COMMON BOTTOM STUD
13. DDED GRN WC 676 30 ee SENSOR BREW INLET WARMER WARMER WARMER MODIFIED I PROBE VALVE VALVE WI W2 W3 WHITE BLK BLK HIR SOLID GROUND WHT24 STP RED BLK SENSOR 120 WC 1438 00000 J TOGGLE SWITCH WC 103 4 HEATING ELEMENT WC 934 2500W BLU 14 BLK 14 WARMER ELEMENT WARMER ELEMENT wC 942 WC 942 FRONT REAR BOTTOM POWER BLOCK WC 300 2 u _ GRN18 GND VIO COMMON STUD CHASSIS GROUND 4 USE TOGGLE SWITCH P N S331F 3 INSTALL GROUND ASSEMBLY BETWEEN CONTROL BOARD amp HEATING TANK 2 COLORS ARE FOR REFERENCE ONLY 1 ALL WIRES SHALL BE 22 AWG TEFLON NOTE UNLESS OTHERWISE SPECIFIED 23 Product Warranty Information The Wilbur Curtis Company certifies that its products are free from defects 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
14. EPS FOR BREWING COFFEE 1 Place a paper filter into the brew cone Pour ground coffee into the filter 2 Slide the brew cone into place When pushed in against the stop the brew cone fits into the slide rails and centers it under the sprayhead see Figure 1 illustrating basic components 3 Placea clean coffee decanter on the warmer plate CAUTION Always use an empty decanter before starting a brew cycle 4 To start brewing push in the momentary brew switch located on the front panel The brew cycle will take approximately three minutes to complete To stop a brew cycle press the ON OFF button CAUTION Wait for hot coffee to stop dripping from brew cone before lifting decanter 5 To stop a brew cycle press the ON OFF button COFFEE REQUIREMENTS The Alpha coffee brewer will produce excellent results using most grades of coffee available from your coffee distributor Coffee suppliers can provide coffee in convenient pre measured envelopes The Alpha coffee brewer is designed for ground coffee Freeze Dried or Liquid coffee products will not work The Wilbur Curtis Company manufactures bulk coffee dispensers Models MCD 7 or MCD 7G that consistently dispense ground coffee in selected amounts Figure 2 MCD 7 Coffee Dispenser PROGRAMMING ONLY REQUIRED IF FAC TORY SETTINGS MUST BE CHANGED I IMPORTANT These digital brewers are thoroughly tested and programmed at I the time of manufacture i 4 A few brew
15. IS UNIT MUST BE PERFORMED BY A QUALIFIED SERVICE TECHNICIAN PROBLEM WATER DOES NOT FLOW INTO HEATING TANK POSSIBLE CAUSE SOLUTION 1 Water line turned off Make sure the unit is receiving enough water pressure Open or water filter needs the water line Change the filter or filter element changing 2 Water inlet valve coil Turn the brewer off Disconnect wires from water inlet coil burned out terminals and connect a power cord to the terminals Plug cord into a 120V outlet and verify if water flows when plugged in and stops when power is disconnected If valve fails this test replace valve 3 Grounded probe When the water level gets below the probe tip water should automatically refill the tank If not pull wire off the probe terminal Water should now start flowing into the tank If not check the control board of the microprocessor assembly see step 4 or inlet valve step 5 below 4 Defective or burned Pull wire out of probe terminal With a voltmeter check voltage out control board at the water inlet coil terminals This should read 110 120 volts If no voltage is present check control board Make sure the control board is energized on terminals WHT amp BLK Lack of power to these terminals will indicate a defect within the circuit board Replace the microprocessor assembly Check for loose connections at terminals PROBLEM WATER IN HEATING TANK OVERFLOWING COD emm emm emm o POSSIBLE CAUSE SOLUTION 5 Def
16. NTENANCE BREW CYCLE COUNTER ENTER THE PROGRAMMING MODE 72 e RA will now starta pattem of LONG and SHORT blinks u This pattem identifies the number of brew cycles SHORT blinks indicate the brew numberfrom 1 to 9 LONG blinks separate 15 10 s 1 000 s and 10 000 s WARMER QUALITY TIMER Factory Preset to OFF TO DETERMINE WARMER SETTING AND CHANGE TIME e Wa mer must be ON Pressand HOLD until light goes OFF RELEASE The light will start blinking Count the blinks Each blink 5 minutes maximum 50 minutes Atthe end of the cycle pressand hold uni the light begins quick flashing The cycle will start over after 11 flasnes a setting of 11 flashes is the OFF position When the desired time is reached RELEASE a To setand exit press Table 1 Temperature Settings NUMBER NUMBER OF BLINKS TEMPERA OF BLINKS TEMPERA Table 2 Example of Brew Counting Code 4x1 4 2x10 20 0x100 0 1x1 000 1 000 0 10 000 0 TOTALBREWS 01024 2 3 4 5 6 7 8 9 186 F 204 F 4 TROUBLE SHOOTING ERROR CODES All Alpha Digital brewers 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 BREW READY light blinking Decipher ing the code CHED GED GENE WATER LEVEL PROBLEM 3 LONG AND 1 SHORT CHED GED GD TEMPERATURE SENSOR PROBLEM 3 LONG AND 2 SHORT ANY SERVICE DONE ON TH
17. O NOT INSTALL STUD ON TANK LID SCREWS CHASSIS 2 00 NOT CHANGE NOR SUBSTITUTE WIRE COLORS GROUND 1 ALL WIRES SHALL BE 22 AWG TEFLON PER UL1330 NOTES UNLESS OTHERWISE SPECIFIED NEMA L5 20P 20 AL3D 61 63 Fu BEE FU ID IS 93 MEMBRANE CONTROL PANEL WC 39173 CONTROL BOARD PADDED WC 676 02 i SENSOR PROBE BREW VALVE WARMER Wi WARMER W2 WARMER WS WHITE HEATER BLACK HEATING ELEMENT WC 917 1450W 120V 866 HEATING ELEMENT WC 934 2500W 220V WHT14 9 BRN14 3 TERMINAL BLOCK WC 314 oc DJO DJO WHT n en GND COMMON STUD 110V CHASSIS GROUND 220V 6 USE SWITCH GUARD P N WC 3249 AS REQUIRED BY UL i S INSTALL A GROUND WIRE ASSEMBLY FROM THE BOARD TO THE SENSOR STUD 2 G GROUND LUG MUST INSTALLED OVER THE SENSOR DO NOT INSTALL TERMINAL BLOCK ON TANK LID SCREWS E WC 314 FOR 110V CONNECT BLK14 TO POINT C ON TERMINAL BLOCK WC 314 AND CAP BRN14 L2 3 FOR 220V CONNECT BRN14 TO POINT C ON TERMINAL BLOCK WC 314 i LI AND CAP BLK14 WHI N 2 WIRE COLORS REFERENCED MAY BE CHANGED IN PRODUCTION GND NOTIFY ENGINEERING FOR CHANGE APPROVAL a 1 ALL WIRES SHALL BE TEFLON PER UL1330 22 AWG WILL BE MINIMUM CHASSIS GEOUND 220V NOTE UNLESS OTHERWISE SPECIFIED FOR REF Old Revision TO D 2 1 NO DEANM APPR TIM DA TAT 2
18. REW INLET WARMER WARMER WARMER L2 STUD O PROBE VALVE VALVE Wi W2 WI WHITE HEATER BLACK GROUND WHT24 STP RED HEATING ELEMENT WL 917 14504 POWER CORD WC 1200 BOTTOM WHT COMMON STUD CHASSIS GROUND 2 DO NOT CHANGE WIRE COLORS 1 ALL WIRES SHALL BE 22 AWG TEFLON NOTE UNLESS OTHERWISE SPECIFIED 1 N VESTA VESTO RE MODEL ALPHA 3DR 10 eli mm BSB 29 FPS Single 222 97 is DIGITAL 3 WARMER RIGHT MEMBRANE CONTROL PANEL ALPHA 3D WC 39173 SENSOR CONTROL BOARD WC 676 INLET WARMER WARMER WARMER VALVE WI w2 W3 WHITE HEATER BLACK BREW VALVE PROBE b a WC 5502 NET x it un 5 WC 508R THERMOSTAT RST S lt T E zg m 5 2 8 OO w 2 E E WHT WHT fel WC 947 WC 947 WC 947 FRONT REAR RIGHT BOTTOM RIGHT WARMER WARMER WARMER NOTE 1 All wires are 18 AWG unless otherwise specified as shown 2 Wire colors are for reference only 18 i O Wo WD ALSDL 10 2 COFFEE REWER Ur RAN TR PAN WC 39173 HOLE CONTROL BOARD ASSY ay CAA GREW CY She WARMER 2 WARMER 1 SENSOR2 WC 691X NE VALVE STP RED14 CONTROL BOARD 676 02 VALVE HTR 3 SENSORI LEVEL z PROBE WHT BLK tn l fl TOGGLE SWITCH WC 102 HEATING ELEMENT WC 917 1450W POWER CORD WC
19. ROBLEM WATER NOT FLOWING FROM SPRAYHEAD POSSIBLE CAUSE SOLUTION 12 Sprayhead clogged Remove sprayhead and clean Clean the sprayhead fitting Water level is too low Check water level in tank If water is not flowing into the tank in heating tank review steps 1 thru 4 previous page Defective control board Check the continuity between terminals WHT 8 BREW VLV When the BREW button is pressed there should be solid conti nuity between these two terminals If not replace the mem brane control panel see the instructions below Make sure the board is receiving 110 to 120 volts at terminals BREW VLV and WHITE when BREW switch has been pressed There should be 110 to 120V going to the dump valve If not then the control board is faulty Defective dump valve If the control board is functioning properly step 14 check the or coll dump valve Measure voltage across the two terminals of the valve coil You should read 110 to 120 volts Check also for clogging or lime deposits Clean if possible Replace valve or coll REPLACING THE MEMBRANE CONTROL PANEL IMPORTANT This procedure requires careful positioning of the membrane control panel Improper application of the new part will ruin the membrane when you try to lift it again You will have to acquire an additional panel to complete the task TEST Before you actually remove the old membrane test the old one by using your new membrane Your old one may be okay 6
20. SE OF THESE PRODUCTS WILL VOID YOUR WARRANT Y L X Au Zu NEE EE ci 4 Clean the brew cone slide rails with a brush or damp cloth 5 The outside surfaces should be cleaned with a stainless steel polish only to prevent scratches 6 The inside of the heating tank may occasionally require deliming The frequency is determined by local water conditions ALPHA 3D ILLUSTRATED PARTS THIS FIGURE AND FIG 4 SHOW THE ALPHA 3D ALL OTHER ALPHAS ARE SIMILAR EXCEPT WHERE DETAILED SEE FIGURES 9 10 11 12 Figure 4 Illustrated Parts List Main View Alpha 3D Shown ALPHA ILLUSTRATEDPARTS Figure 5 Illustrated Parts List Detail Bubbles 9 ALPHA DIGITAL Parts List INDEX PART NUMBER NUMBER DESCRIPTION DN 10 11 12 13 14 15 16 17 18 19 20 22 23 24 25 26 27 28 29 30 31 32 33 35 36 37 39 42 43 44 46 47 48 49 50 52 WC 38310 WC 6205 WC 6826 WC 889 WC 2977 WC 4320 WC 37015 WC 4436 WC 39173 WC 3029 WC 43041 WC 4238 WC 43045 WC 1809 WC 1806 WC 5477 WC 4213 WC 2936 WC 1411 WC 3323 WC 3317 WC 3503 WC 1408 WC 1200 WC 2401 WC 4616 WC 826L WC 5819 WC 102 WC 5231 WC 4426 WC 37102 WC 947 WC 4201 WC 6234 WC 5851 WC 43062 WC
21. aning underneath 2 An approved flow back prevention device such as a double check valve to be installed between the machine and the water supply Alpha decanter brewers are shipped with the power cord connected inside the machine The power cord ends with an electric plug having two flat blades with a round grounding pin 120VAC current and 20 amp rating Some units are rated for 220 volts Check the serial plate on the side of the machine to make sure of the electrical requirements for your unit setup Steps 1 Connect a 1 4 copper water line from your facility to the 1 4 flare water inlet fitting on the valve behind the machine Water pressure going to the machine must be stable Use a water regulator to maintain constant pressure This brewer works perfectly when water pressures are from 20 to 90 psi N Plug the power cord into an electrical outlet rated at 20 Turn on the toggle switch behind the unit he heating tank will start to fill When the water reaches the probe the heating element will turn on automatically D The heating tank will require 20 to 30 minutes to reach operating temperature 200 F The READY TO BREW indicator will light at this time O1 When water reaches operating temperature dispense about 12 ounces of hot water through the hot water faucet to lower the water level in the heating tank You can also dispense only enough water to activate the liquid level control BREWING ST
22. ective water inlet Unplug the unit and observe water level If water continues to valve flow into tank clean or replace valve 6 Probe limed up Pull wire off from probe terminal Touch the metal body of the heating tank with the end of this wire to ground the wire If water stops flowing try cleaning the probe Probe may have to be replaced 7 Non grounded or loose The control board must be grounded Check for loose connec terminal connections at tions at the terminals Make sure the grounding wire is securely control board fastened to the chassis TROUBLE SHOOTING CONTINUED PROBLEM WATER IN TANK DOES NOT GET HOT OR WATER TEMPERATURE TOO LOW CODE eme GID POSSIBLE CAUSE SOLUTION 8 Power is off Make sure unit is on power cord plugged in Toggle switch is on Breaker is on 9 Defective or loose heat Remove the sensor and squeeze a dab of silicone compound sensor part no WC 5229 between the sensor and the tank body Make sure the fastening nut is secure Check the wire for damage Burned out heating Check element for continuity and or check with clamp amme element ter This should show a reading of approximately 15 amps depending on element wattage If no power is going through element replace the heating element 11 Defective control If checks 8 9 and 10 are normal the control board is not board operating correctly Replace the microprocessor assembly 8 figure 6 P
23. r 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 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
24. signed to brew 12 cups ata time The Alpha 3D 3DL and 3DR have three warmer plates that allow up to three decanters to be kept at serving temperature The hot water faucet lets you draw hot water for tea instant soups chocolate drinks or cup meals even during the brew cycle WARMER PLATES ELECTRONIC CONTROL BOARD DUMP VALVE HOT WATER FAUCET SPRAY HEAD BREW HEATING TANK 12 CUP DECANTER NOT INCLUDED WATERINLET VALVE WARMERPLATE Figure 1 Alpha Brewing System Basic Components THIS EQUIPMENT IS TO BE INSTALLED TO COMPLY WITH THE APPLICABLE FEDERAL STATE OR LOCAL PLUMBING CODES HAVING JURISDICTION CAUTION DO NOT connect this brewerto hot water Inlet valve not rated for hot water SETUP The Alpha unit should be located on a solid counter top The counter top should be level Connect the water line from the water filter to the unit using copper tubing with a flare fitting at the end Some type of water strainer must be used to maintain a trouble free operation In areas with ex tremely hard water we suggest that an Everpure QC7 MH water filter be installed Water filters may be ordered from the Wilbur Curtis Company For customer service call 800 421 6150 The National Sanitation Foundation NSF requires the following water hookup 1 Aquick disconnect water connection or enough extra coiled tubing at least 2x the depth of the unit so that the machine can be moved for cle
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