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Wilbur Curtis Co., Inc.
ALPHA AUTOMATIC
COFFEE BREWERS
S E R V I C E M A N U A L
-
INCLUDES THE FOLLOWING UNITS:
ALPHA 3X ALPHA 3XR ALPHA 3XL
ALPHA 2X ALPHA 1X ALPHA 6X
Table of Contents
1
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
Coffee Requirements . . . . . . . . . . . . .
Coffee Brewing . . . . . . . . . . . . . . . . . . 2
3
Maintenance & Cleaning . . . . . . .
4 - 5
Trouble Shooting . . . . . . . . . . . . . . .
6 - 7
Illustrated Parts, Alpha 3X . . . . . . .
8
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ALPHA X The Alpha X series of automatic coffee brewers require installation to be in compliance with all local water and electrical power codes. The Alpha is designed to brew 12 cups at a time. The Alpha 3X, 3XL and 3XR 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 brew cycle. WARMER PLATES WATER LEVEL PROBE THERMOSTAT DUMP VALVE H
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SET-UP INSTRUCTIONS 1. WATER CONNECTION: A 3/8" NPT x 1/4" flare elbow fitting is supplied with this brewer for the water line connection. Use 1/4" copper tubing and flare nut to hook up your water source behind the machine. It is important to use a good water filter in the system before water enters the Alpha brewer. CAUTION: Do not connect this brewer to hot water line. Inlet valve is not rated for hot water! Do not connect to water softener system. 2. Remove the top cover and lid from the h
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COFFEE BREWING 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 brewcone fits into the slide rails and centers it under the sprayhead. 3. Place a clean coffee decanter on the warmer plate. 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. 5. The warmer plates keep the coffee at serving temperatur
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MAINTENANCE & CLEANING OF BREWER Regular and preventive maintenance is essential in keeping your Alpha system looking and working like new. CAUTION When cleaning your Alpha System, do not use cleansers, bleach liquids, powders or any other substance that contains chlorine. These products promote corrosion and will pit the stainless steel. USE OF THESE PRODUCTS WILL VOID WARRANTY. PREVENTIVE MAINTENANCE 1. Remove the sprayhead from the brewer and clean it once a week or more often in h
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TROUBLE SHOOTING ANY SERVICE DONE ON THIS UNIT MUST BE PERFORMED BY A QUALIFIED SERVICE TECHNICIAN. PROBLEM: Water does not flow into heating tank... POSSIBLE CAUSE SOLUTION Water line turned off or water filter Disconnect the water line and test for water flow. clogged. Coil on Water Inlet Valve has burnt Turn machine off. Disconnect wires from water inlet coil out. terminals and connect a power cord to the termi- nals. Plug into a 115V outlet to verify that water flows through when plugged in
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PROBLEM: water in tank does not get hot... POSSIBLE CAUSE SOLUTION Thermostat turned off. Check the thermostat to make sure stem is turned all the way to the right. Burned out Heating Element. If thermostat is on (closed) you should read 110/120 volts at the element terminals. Voltage present at these points but no heat, indicates the element is burned out. Replace it. PROBLEM: Water does not spray over coffee... POSSIBLE CAUSE SOLUTION Remove the spray head from the brewer and inspect for Clo
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ALPHA 3X ILLUSTRATED PARTS THIS FIGURE (AND FIG. 4.) SHOW THE ALPHA 3X. ALL OTHER ALPHAS ARE SIMILAR EXCEPT WHERE DETAILED (FIG. 5, 6 & 7). Figure 3. Illustrated Parts List, Main View (Alpha 3X Shown). [ 6 ]
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ALPHA ILLUSTRATED PARTS 29 Figure 4. Illustrated Parts List, Detail Bubbles (Alpha 3X Shown). [ 7 ]
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ALPHA Parts List INDEX PART NUMBER DESCRIPTION NUMBER WC-38310 1 LABEL, "CAREFUL HOT SURFACE" . . . . . . . . . . . . . . . . 2 WC-6205 COVER, TOP WARMER DECK . . . . . . . . . . . . . . . . . . . . 3 WC- 517 THERMOSTAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 WC-4505 SCREW, 8-32 x 1/2 PHILLIPS . . . . . . . . . . . . . . . . . . . . . 5 WC-2977 FITTING, SPRAYHEAD . . . . . . . . . . . . . . . . . . . . . . . . . WC-4320 6 O' RING . . . . . . . . . . . . . . .
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ALPHA 3X Parts List PART INDEX NUMBER DESCRIPTION NUMBER 50 WC-5502 PROBE, WATER LEVEL . . . . . . . . . . . . . . . . . . . . . 51 WC-2938 FITTING, 1/8" HEX FOR WATER LEVEL PROBE . . . . . . 52 WC-4394 SHOCK GUARD FOR HEATING ELEMENT . . . . . . . . . . 53 WC-4306 WASHER, 9/16" I.D. TEFLON . . . . . . . . . . . . . . . . . . 54 WC- 917-04 HEATING ELEMENT, 120V, 1450W . . . . . . . . . . . . . 55 WC-5409 CLIP, THERMOSTAT CAPILLARY . . . . . . . . . . . . . . . 56 WC-43058 PLUG, TANK DRAIN PP RE
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ALPHA 3XR & ALPHA 3XL THIS FIGURE ILLUSTRATES THE DIFFERENCES BETWEEN THE ALPHA 3XR/L AND THE ALPHA 3X. THE ALPHA 3XR/L HAS A PLAIN TOP COVER AND A WIDE BOTTOM COVER. THE LABELING ON THE SWITCH PANEL IS ALSO DIFFERENT. 64 ALPHA 3XL 8 66 ALPHA 3XR 65 Figure 5. Illustrated Parts, Alpha 3XR & 3XL. [ 10 ]
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ALPHA 2X THIS FIGURE ILLUSTRATES THE DIFFERENCES BETWEEN THE ALPHA 2X AND THE ALPHA 3X. THE ALPHA 2X HAS ONLY TWO WARMERS, A DIFFERENT TOP COVER AND TWO WARMER SWITCHES ON THE SWITCH PANEL. 67 68 Figure 6. Illustrated Parts, Alpha 2X. ALPHA 6X THE ALPHA 6X IS BASICALLY AN ALPHA 3XR AND AN ALPHA 3XL 70 LINKED TOGETHER. THIS FIGURE ILLUSTRATES THE DIFFERENCES BETWEEN THE ALPHA 6X AND THE ALPHA 3X. THE ALPHA 6X HAS A TOTAL OF SIX WARMERS, A LARGER TOP COVER, CENTER COVER, AND BOTTOM COVER. 71 2 Fi
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DRWN. MODELS APPVD. WIRES HZ REV. 2+GND 60 WIRING DIAGRAM ALPHA-3X -10 F. Nunez VOLTS DATE PHASE AMPS WATTS C 120 ALPHA-3XL & 3XR -10 8/4/97 Single 14.8 1780 FRONT WARMER WHITE BROWN REAR WARMER TOP FRONT REAR BOTOM WARMER WARMER WARMER OFF/ON BREW SWITCH SWITCH SWITCH SWITCH SWITCH 2 2 2 BLK 2 BLK BLK BLK 2 BLK 1 1 1 WHT 1 L 1 3 WHT 3 3 3 WHT 3 TIMER 2 B 6 A YEL DUMP RED VALVE THERMOSTAT PROBE ORANGE T4 LIQUID LEVEL WHITE T3 CONTROL PWR BLK CORD T2 BOTTOM T1 WARMER 1
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DRWN. WIRES HZ MODEL APPVD. REV. WD-AL2X-10 2+GND 60 ALPHA 2X -10 CHKD. DATE PHASE VOLTS AMPS WATTS C Single 14.2 8/4/97 1700 120 TOP FRONT WARMER WHT FRONT BOTTOM WARMER BREW OFF/ON L WARMER SWITCH SWITCH SWITCH SWITCH BLK 2 2 2 2 BLK BLK 1 1 1 1 3 WHT 3 3 WHT 3 THERMOSTAT TIMER 2 B 6 A YEL DUMP VALVE RED 1450W HEATING ELEMENT PROBE ORG T4 WHT WATER T3 LEVEL CONTROL BLK T2 WHT T1 WHT PWR CORD BOTTOM WARMER INLET VALVE WHT Figure 10. Alpha-2X -10, Wiring Diagram [
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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. Addition
