C500AP & C500APT AIRPOT COFFEE BREWER Service Manual
Contents
1. W 220V ORGHO 2 gt BLU 10 WHT WHTHO BRN 10 GRN 10 GND 2 gt FOR 220 VOLTS CONNECT ORG WIRE TO BRN WIRE FROM POWER BLOCK CAP BLU WIRE WITH WIRE NUT 1 gt FOR120 VOLTS CONNECT BLU WIRE TO BRN WIRE FROM POWER BLOCK CAP ORG AND RED WIRES WITH WIRE NUTS NOTE 6 C500 AP Airpot Coffee Brewer ILLUSTRATED PARTS MAIN VIEW 7 C500 AP Airpot Coffee Brewer ILLUSTRATED PARTS DETAIL BUBBLES 8 C500 AP Air Pot Coffee Brewer INDEX PART NUMBER NUMBER 1 WC 3317 2 WC 3323 5 WC 3963 6 WC 3621 7 WC 1809 8 WC 1806 9 WC 114R 10 WC 122 11 WC 6317 12 WC 202 13 WC 608 14 WC 4380 15 WC 4329 16 WC 4525 17 WC 2977 18 WC 5310 19 WC 817 20 WC 4213 21 WC 6221 22 WC 2936 23 WC 6217 24 WC 3502 25 WC 102 27 WC 826L 29 WC 4436 30 WC 1200 31 WC 1408 32 WC 2401 33 WC 4616 34 WC 6215 39 WC 604 36 WC 5450 37 WC 515R 41 WC 54052 42 WC 5851 43 WC 43062 44 WC 4543 45 WC 4211 46 WC 4212 48 WC 29010 49 WC 29009 50 WC 5502 51 WC 2938 DESCRIPTION WIRE BREW BASKET FOR WC 3323 BREW CONE COMPLETE STAINLESS STEEL 7 1 8 LABEL CAUTION UNIVERSAL BREW CONE HOT WATER FAUCET FAUCET SEAT CUP SILICONE ON OFF SWITCH BREW SWITCH SWITCH PANEL BREW READY LIGHT LIQUID LEVEL CONTROL BOARD 120V SHOCK GUARD FISH PAPER 8 EXTERNAL LOCK WASHER SCREW 8 32x 4 PHILLIPS TRUSS HD SS FITTING SPRAYHEAD TUBING SILICONE 5 16 I D DUMP VALVE LOC2. B When the switch is pressed there should be solid continuity between these two terminals If not replace the switch 4 C500 AP Air Pot Coffee Brewer TROUBLE SHOOTING CONTINUED 13 Defective brew timer Make sure the timer is receiving 110 to 120 volts at terminals B and A WC 604 Measure the voltage across terminals 6 and A on the timer when it has been activated There should be 110 to 120V going to the dump valve If not then the timer is faulty Replace timer 14 Defective dump valve If the timer is functioning properly step 13 next check the dump valve or coil 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 lime or clog if present Replace valve or coil ETT TE GND C500 AP 10 Ve 3A ON OFF BREW SWITCH 48 lt 5B 11 48 5B e Aa a in WHT LIQUID LEVEL CONTROL T4 T3 T2 T1 TOGGLESW e COMMON STUD CHASIS GROUND 5 WIRING DIAGRAM PRINS P es ru HK MOD 0 Cry PSE Single VS 429 559 AMS 4442 A 2575 iic ON OFF BREW H SS WERE SWITCH BLU I la WHT t LIQUID LEVEL BREW TIMER CONTROL T4 T3 T2 T1 WHT VIO RED a BRN 10 WHT l L BREW DUMP LIGHT e VALVE BLK m Sl RED 10 RED 40 TOGGLE SW HEATING ELEMENT HEATING ELEMENT 1600 W 120V 2500
3. C500AP amp C500APT AIRPOT COFFEE BREWER Service Manual Throughout this service manual whenever the airpot brewer model C500AP is mentioned this information is typical to both the C500AP and C500APT All parts are common except where noted Table of Contents Unpacking Shipping List Rough in Drawing Start up Coffee Brewing Care amp Maintenance Troubleshooting Wiring Diagram Illustrated Parts List Warranty Item Brewer C500AP Brew Cone S S Fitting Flare Elbow Paper Filters Service Manual Wilbur Curtis Co Inc 6913 West Acco Street Montebello CA 90640 5403 U S A Tels 323 82517 2300 Pax 323 937 2401 C500AP Airpot Coffee Brewer UNPACKING All products manufactured by the Wilbur Curtis Company are thoroughly inspected at the factory and are warranted to be free of all defects and faulty workmanship The C500AP unit is packaged for maximum protection for shipping Make sure the shipping carton is not damaged or punctured Un pack the carton carefully inspecting the contents for any damage that may have occurred in transit Report any damage immediately to the freight company ROUGH IN DRAWING C500AP 202 D500AP 2334 500 147 D500AP 18 D500APT BREW SETUP ELECTRICAL POWER REQUIREMENTS CORD amp PLUG WATER HOOK UP 2594 D500AP 29 D500AP T 2 2LITERS 120 Volts 60 Hz 1675 Watts 14 Amps 6 Ft NEMA 5 15P Ya COMPRESSION FI
4. K NUT 5 8 SCREEN DRIP TRAY SPRAYHEAD RED COVER CENTER WRAP BUMPER LEG 8 32 STUD TOGGLE SWITCH VALVE INLET 1 GPM 120V 10W SCREW 4x3 8 PHIL PAN HEAD POWER CORD CORD GRIP FLARE ELBOW 1 4 x 3 8 SCREW 1 4 20x 7 PHILLIPS PAN HEAD STAINLESS STEEL TIMER COVER TIMER COVER TOP THERMOSTAT HEATING TANK COMPLETE LESS HEATING ELEMENTS COVER TANK W NOTCHES GASKET TANK LID SCREW 8 32x 1 SLOTTED HEX SS 18 8 WASHER HEAD NUT 3 8 JAM NUT 5 8 JAM FITTING BARBED OVERFLOW FITTING BARBED INLET PROBE WATER LEVEL FITTING 1 8 HEX FOR WATER LEVEL PROBE 9 C500 AP Air Pot Coffee Brewer PARTS LIST CONTINUED INDEX PART NUMBER NUMBER DESCRIPTION WC 4394 SHOCK GUARD FOR HEATING ELEMENT WC 4306 WASHER 9 16 1 0 TEFLON WC 904 04 ELEMENT HEATING 1 6KW 120V W JAM NUT amp SILICONE WASHERS WC 5409 CLIP THERMOSTAT CAPILLARY WC 43058 PLUG TANK DRAIN PP RED WC 3685 INSULATION WRAP C500AP WC 3765L KIT INLET VALVE REPAIR USE ON WC 825 WC 826 WC 826L WC 847 WC 829 WASHER FLOW WC 3763 KIT DUMP VALVE FOR WC866 WC889 WC816 WC817 amp WC818 Wilbur Co Inc Wilbur Curtis CO lnc 6913 West Acco Street Montebello CA 90640 5403 U S A Tels 323 837 2300 Pax 323 9837 2401 10 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 condi
5. S NOT FLOW INTO HEATING TANK POSSIBLE CAUSE SOLUTION 1 Water line turned off Make sure the brewer is receiving enough water pressure Open the or water filter needs water line and verify water flow changing 2 ater inlet valve coil Turn the power off Disconnect wires from water inlet coil terminals and burned out 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 discon nected If valve fails this test replace valve or coil 3 Grounded probe When the water level gets below the probe tip water should automati cally refill the tank If not pull wire off the probe terminal Water should now start flowing into the tank If not check the water level control board see step 4 or inlet valve step 5 3 C500 AP Air Pot Coffee Brewer TROUBLE SHOOTING CONTINUED 4 Defective or burned out Pull wire out of probe terminal With a Volt meter check voltage at the water level control water inlet coil terminals This should read 110 120 volts If no voltage is board present check Liquid Level Control board Make sure the L L C board is energized on terminals 2 amp 3 The L L C board is grounded to the chas sis of the machine by contacting the board to the mounting bracket Make sure board is grounded here Check for loose connections at terminals When the water level control board fails to energize the water inlet valve the board should be
6. TTING FOR WATER CONNECTION C500AP Airpot Coffee Brewer START UP 1 COFFEE BREWING I DO NOT REMOVE BREW CONE UNTIL IT HAS COMPLETELY Remove top cover of brewer Remove lid from heating tank Hand fill tank until water level is approxmately two inches below probe tip 2 Connect the water line to the brewer using 4 copper tubing with 1 4 female flare fitting 3 4 With top cover removed locate the thermostat see illustration page 8 37 turn the thermostat shaft Turn on water clockwise until it stops The BREW READY indicator light will go off when the thermostat is on Plug unit into power supply outlet and flip power switch behind unit to ON position Turn ON OFF switch to ON position Water should flow into heating tank Check to see that the water stops flowing when it reaches the probe tip When this is verified replace the tank lid and top cover of machine The warm up time for the water in the tank to reach brewing temperature is from 15 to 20 minutes The BREW READY indicator light will come on when the water is hot enough to start brewing 1 Pour ground coffee into the filter and brew cone 2 Slide the brew cone onto the guide rails as far in as it will go 3 Place an empty open airpot on the deck be neath the brew cone Push the BREW SWITCH to start Hot coffee will start to flow from the brew cone CAUTION HOT LIQUID BREW INTO AN EMPTY AIRPOT ONLY 2 C500AP Airpot Coffee Br
7. ewer CARE AND MAINTENANCE OF C500AP Preventive maintenance is essential in keeping your Curtis coffee brewer performing at it s peak Regular cleaning will pay off with an appealing high performance coffee brewing machine Preventive Maintenance 1 Remove the sprayhead from brewer and clean it once a week more often in heavy lime areas 2 The inside of the heating tank may occasionally require removing of lime build up The frequency is determined by local water conditions v W s WARNING When cleaning the unit do not use cleansers bleach liquids powders any other substance containing chlorine These products will promote corrosion and will pit the stainless steel USE OF THESE PRODUCTS WILL VOID YOUR WARRANTY Daily Cleaning Using a daily routine of cleaning the external parts of the C500AP should maintain it s new appearance and insure that the flavor of the coffee is always good 1 Wipe off any spills dust or debris from exterior surfaces 2 Rinse out the brew cone 3 Clean sprayhead and dome using a non toxic cleaner and a damp cloth 4 Clean the brew cone slide rails with a brush or damp cloth Dry thoroughly Stainless Steel Polish can be used to clean the outside surfaces of the C500AP coffee brewer This is to prevent scratching of the stainless steel surfaces TROUBLE SHOOTING PROBLEM WATER DOE
8. 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 Damagedin 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 p
9. lates 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 AJ 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 AC CEPTED 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 Wilbur Curtis CO Inc 6913 West Acco Street Montebello CA 90640 5403 U S A Dele 323 9251722300 Pax 323 027 240 www wilb
10. replaced PROBLEM WATER HEATING TANK OVERFLOWING POSSIBLE CAUSE SOLUTION 5 Defective water inlet Turn power off and observe water level If water continues to flow in valve valve is leaking clean or replace valve 6 Probe limed up Pull wire off from probe terminal Touch the body of the heating tank with the end of this wire If water stops try cleaning the probe Probe may have to be replaced 7 Non grounded or loose Liquid level control board must be securely grounded Check for loose terminal connections at connections at the terminals Check for voltage at the inlet valve termi liquid level control nals If there is voltage present at the inlet valve terminals replace the board L L C board PROBLEM WATER IN TANK DOES NOT GET HOT OR WATER TEMPERATURE TOO LOW POSSIBLE CAUSE SOLUTION 8 Thermostat turned OFF Check thermostat to make sure it is in the ON position 9 Defective thermostat Replace thermostat 10 Burned out heating Check element for continuity and or check with clamp ammeter This element should show a reading of approximately 15 amps If no power is going through element replace it PROBLEM WATER NOT FLOWING FROM SPRAYHEAD POSSIBLE CAUSE SOLUTION 11 Water level is too low Check water level in tank If water is not flowing into the tank review in heating tank steps 1 thru 4 on previous page 12 Defective brew switch With the power off check the continuity between terminal 4B amp 5
11. tions 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 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 equipmentattime of purchase only The Wilbur Curtis Company Inc assumes no responsibility for substitute replacement parts installed on Curtis equipmentthat 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 underthe
12. urcurtis com Printed in U S A 8 06 F 1994
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