Water Boiler, 10 Gallon – Service Manual
Contents
1. 10 1 08 ELECTRICAL SCHEMATIC 220V ORG PROBE LIQUID LEVEL CONTROL 000 BLUIO HEATING ELEMENT REB10 HEATING ELEMENT USE THIS DIAGRAM FOR OTHER MODELS WITH ADDED PREFIX AND OR WITH SECOND DASH NUMBER GRN10 ON THEIR PART NUMBERS PROVIDED THEY G HAVE THE SAME ELECTRICAL SPECS EXAMPLE SCWH 10 60 or WB 10 60 02 POWER 2 DO NOT CHANGE NOR SUBSTITUTE WIRE COLORS BLOCK 1 ALL WIRES SHALL 18 AWG UNLESS OTHERWISE SPECIFIED 7000 WIRING DIAGRAM e Ee This page intentionally left blank 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 replac2. MODELS INCLUDED e WB 10 12 CAUTION Please use this setup IMPORTANT procedure before attempting to use this appliance Failure to follow the instructions can result in injury or the voiding of the warranty CAUTION DO NOT connect this unit IMPORTANT to hot water The inlet valve is not rated for hot water WARNING DO NOT WN place this water boiler closer than six 6 inches from wall Unit must have adequate cross ventilation WARNING HOT LIQUID Scalding may occur Avoid splashing ISO 9001 2008 WILBUR CURTIS COMPANY Montebello CA 90640 WILBUR CURTIS COMPANY INC Water Boiler 10 Gallon Service Manual 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 Company service technician Do Not immerse the unit in water or any other liquid e To reduce the risk of fire or electric shock do not open side or bottom panel No user serviceable parts inside Keep hands and other items away from hot parts of unit during operation e Never clean with scouring powders bleach or harsh chemicals Symbols WARNINGS To help avoid personal injury ASA mportant Notes Cautions from the factory IMPORTANT ist Sanitation Requirements The Curtis Water Boiler is Factory Pre Set and Ready to Go Right from the Carton Factor
3. D REDI Ven BLUE 10 0 NL L BLACK 18 WATER LEVEL CONTROL BOARD ORANGE
4. is as follows 1 Rotate the thermostat knob to the right to the BOIL position Pull off the knob 2 Locate the tiny adjustment screw inside the stem see figure 1 Using a small screwdriver adjust the temperature up or down a By turning the screw turn to the left will increase the temperature about 20 F b Turning to the right will decrease the temperature by 20 F set the thermostat precisely at 200 F insert a thermometer probe into the water jacket through the steam hole just under the sprayhead Turn the screw turn to the left d When the thermometer reaches 200 F slowly turn the adjustment screw to the right until the pilot light turns off TROUBLE SHOOTING PROBLEM WATER WILL NOT REFILL POSSIBLE CAUSE SOLUTION 1 Water line closed or Check the water system at your facility to make sure the line is open Replace the water clogged filter filter 2 Valve coil burned out Turn machine off Disconnect wires from water inlet coil 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 unit If not pull wire off the probe terminal Water should now start flowing into the water boiler 4 Defective water level Disconnect wire from probe terminal With a vol
5. 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 Sup port Department to find an agent near you e WILBUR CURTIS CO INC wie 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 30 4 00 PST E Mail techsupport wilburcurtis com Web Site www wilburcurtis com 8 FOR THE LATEST SPECIFICATION INFORMATION GO TO WWW WILBURCURTIS COM Printed in U S A 1 11 F 1984 Rev E
6. as filled turn on boiler at the thermostat twisting the knob clockwise 7 Heating tank will require 50 to 60 minutes to attain operating temperature Thermostat indicator will light at this time FOR THE LATEST SPECIFICATIONS AND INFORMATION GO TO WWW WILBURCURTITS COM Illustrated Parts List D Parts List Electric Thermostat Adjustment INDEX PART N N DESCRIPTION 1 WC 5602 LID WITH KNOB 2 WC 1800HW_ FAUCET S SERIES HOT WATER 1 1 32 14 UNS 3 WC 3705HW_KIT FAUCET S SERIES HOT WATER 4 WC 1902 SHANK FAUCET PLAIN W NUTS 5 WC 1903 NUT UNION SHANK WB 10 6 WC 1906 C RING 917 X 760 X 090 WC 511 THERMOMETER DIAL RU S 8 WC 5502 PROBE WATER LEVEL 9 WC 3914 LABEL HOT WATER WB 10 10 WC 2966 FITTING WATER INLET WB 10 11 WC 5386 TUBING ASSEMBLY WATER INLET 12 WGC 922 04 ELEMENT HEATING 3 5KW 220V W NUTS amp WSHRS 13 WC 37136 THERMOSTAT WB 10 12 14 WC 3220 BEZEL THERMOSTAT ELECTRIC 15 WGC 3217 KNOB ELECTRIC THERMOSTAT 16 WC 608 LEVEL CONTROL WATER 120V 17 WC 5611 COVER BOTTOM WB 10 18 WC 2401 ELBOW 3 8 NPT X 1 4 FLRE PLTD 19 WGC 801 VALVE INLET BRASS 50 GPM 120V 10W RU WB 20 WC 3700 KIT INLET VALVE REPAIR 21 WC 813 FLOW WASHER 5GPM 5 S45 ELECTRIC THERMOSTAT ADJUSTMENT On electric water boilers thermostats are set at the factory to cut off at 200 F We do not recom mend changing this If necessary adjustment
7. e 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 amp EXCEPTIONS The warranty covers original equipment at time 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 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 f
8. knob is rotated clockwise to the desired OFF or set too low temperature setting PROBLEM WATER OVERHEATS ELEMENTS DO NOT SHUT OFF POSSIBLE CAUSE SOLUTION 1 Defective Replace the thermostat You can sometimes operate temporarily by turning the ther thermostat mostat knob to off until the boiling stops TROUBLE SHOOTING CONTINUED PROBLEM WATER DOES NOT REACH PROPER TEMPERATURE POSSIBLE CAUSE SOLUTION 2 Defective thermostat Replace thermostat if contacts are open when knob is fully clockwise and water tem perature is less than 190 F You will measure 120 volts approximately to ground from both thermostat terminals when it is ON and from only one terminal when it is OFF 3 Heating element burned this water boiler there are two elements in parallel Failure of either will cause very out slow heating Perform the following tests a Clamp on ammeter test If both elements are good you will measure about 21 amps at 240 volts 24 amps at 208 volts or 29 amps at 120 volts If you measure only 10 to 12 amps check the current to each element to identify the defective part Ohmmeter or continuity test Disconnect all power by unplugging unit Disconnect one terminal to measure each element They should each have continuity or mea sure about 20 ohms ELECTRICAL SCHEMATIC DUAL VOLTAGE 120V 220V Wid WB10 1 2 2 3 5 KW HEATING 1201220VAC1 20801000W1 11 THERMOSTAT ELEMENTS RED 10 ee W RED 10
9. low 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
10. tmeter check voltage at the water inlet control board coil terminals This should read 110 120 volts If no voltage is present check liquid level control L L C board Make sure the L L C board is supplied by 120V across terminals T2 amp The L L C board is grounded to the body of the machine by contacting the board to the mounting bracket Make sure board is grounded here Check for loose con nections at terminals Replace board PROBLEM WATER OVERFLOWING POSSIBLE CAUSE SOLUTION 1 Defective water Turn power off and observe water level If water continues to flow into the heating tank inlet valve clean or replace leaky valve 2 Liquid level probe Disconnect wire from probe terminal Touch the body of the heating tank with the terminal limed up at the end of this wire If the flow of water stops try cleaning the probe The probe may have to be replaced Non grounded or Liquid level control board must be securely grounded through the back of the board and loose terminal the mounting bracket Check for loose connections at the terminals Check for voltage connections at across the inlet valve terminals If there is 110 to 120 volts present at the inlet valve termi liquid level con nals when water level is touching the probe tip replace the L L C board trol board PROBLEM WATER DOES NOT REACH PROPER TEMPERATURE POSSIBLE CAUSE SOLUTION 1 Thermostat is turned Check the thermostat adjustment to make sure the
11. y Settings Water Temperature 200 F Volume 10 Gallons System Requirements Water Source 20 100PSI Min Flow Rate of 1 GPM Electrical See electrical schematic 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 underneath 2 This equipment is to be installed with adequate backflow protection to comply with applicable federal state and local codes 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 SETUP STEPS 1 Place unit at counter height on a firm level base in such a way that it can be connected to water and power supply 2 Install the supplied water faucet on the faucet shank in front of the unit 3 Connect water line to inlet fitting on valve It is recommended that some type of water mineral reducing filter be used in the water line before entering the unit Water pressure entering boiler is must be stable and provide minimum of 1 gallon per minute Use water regulator for constant pressure Required water pressures 20 to 100 psi Turn on water valve 5 Hook up power to the unit refer to schematic for power requirements 6 Turn on the circuit running power to unit The water inlet valve will open filling the unit When the boiler h
Download Pdf Manuals
Related Search