S6161-JB-FSE-010 - Equipment Catalog
Contents
1. l ar NE AMERKAN META WAAL CO 0 AR ALL HEIGHTS INCREASED BY 58 WHEN SPECIFIED NATTIVA es a 20 208 VOLT J WIRE SINGLE PASSA 122 2048 vo 4 TRES PNASG 120 240 vc 3 SINGLE PARSE QA coup JOE TRES ASE ag STEAM NET SPECI Y STEAM PRESSURE OPE RATING PRISEUAE TUNDARD 20 79 Pie GAS NEAT SPECIFY OF NATURAL SUPPLIED WITH SAT 23 LATAA COST ES o PPuLIED IT H RECULA TOA 124145 AU 6 SOTA FOA AfQUIAR AC OO fon CONTROL COWAL LACIE TAMP LT gt I WIRE THREE PHASE S COST Figure 3 ROUGH IN SPECS FOR AUTO URNS 1 11 1 12 Blank AMERICAN METAL WARE CO 1835 Raymond Drive Northbrook Illinois 6006 7400 URN CONTROL CIRCUIT WIRING HARNESS BREW PILOT START BREW TIMER NOTE WIRES WITH COLOR IN PARANTHESES NOT PART MAIN HARNESS C NO NC g INSTEAD OF FUSE 218 12 AUTO REFILL LOW WATER CUTOFF AIR AGITATION BRAUN SCALE Forn DIAGRAM NCC TIMER TIE S A A RED IT aan Ll E HE NE ns S6161 JB FSE 010 IF NONEUTRAL CONNE T TO SECONDARY SIDE OF STEP DOWN2. GAS HEAT Specify Natural or L P gas Standard includes thermostat with 100 safety pilot shutoff stainless steel flue on rear and combustion chamber with aluminum heat shield under gas burner Requires plug in of 3 wire cord to 120 Volt AC outlet Six and ten gallon models require connection to 160 F hot water line OPTIONAL ONE YEAR SERVICE Covers service labor and parts for one year from date of installation maximum of 18 months from date of shipment See price list SECTION ELECTRIC HEATED MODELS 7443 7446 74410 7413 7416 S6161 JB FSE 010 GENERAL DESCRIPTION This urn is an automatic pushbutton operated volume brewing unit It consists of a non pressure vented water tank of large capacity into which two stainless steel liners are inserted Electric heat is used to keep water in the tank always at the desired temperature For this type of heat a ther mostat sensing the water temperature and controlling a contactor switches on and off the electric immersion heater found inside Also in this tank is a heat exchange coil that carries fresh cold water up to a top mounted swivelly attached sprayarm for discharging a hot water spray over ground coffee during brow A pushbutton start electric reset timer measures the quantity of water sprayed over by timing a constant water flow The flow of sprayover water is maintained accurately by a two stage adjustable regulator system Flow through the heat exchange coil starts and s
3. 11 12 13 14 15 19 S6161 JB FSE 010 LIST OF ILLUSTRATIONS Title Roughing In Data ROUGH IN SPECS FOR AUTO URNS 7400E URN CONTROL CIRCUIT WIRING HARNESS DIAGRAM NCC TIMER AUTO REFILL LOW WATER CUTOFF OPT 43 AIR AGITATION TAB TERMINAL HEATER WIRING URNS WITHOUT PUMP ILLUSTRATED PARTS BREAKDOWN 7400 SERIES 507028 NCC Timer eee cee eee RR mx em PE X S nt 505002 Liquid Level Control 521021 Urn Blastomet Kit 42 0 2 04 samen Seal Kit 521028 2 4 24744 dde UR d d Option 43 Outside Tube Kit P N 512015 When Supplied Disposable Tube of Loctite 271 Cover Handle Kit for Automatic Urns P N 513001 o ss n ncm ko 9 EE eo oy RES 5301 Standard Open Frame Solenoid Valve Page iii iv Blank S6161 JB FSE 010 CHAPTER 1 SECTION ELECTRIC STEAM GAS TWIN MODELS 7443 7446 74410 SINGLE MODELS 7413 7416 74110 MID LINE AUTOMATIC COFFEE URNS FRESH WATER BREWING SYSTEM THE MID LINE URN American s Budget Cutter completely automatic coffee urn When a basic no trills nothing added urn is needed this is it Then build by adding what you want such as air agitation for mixing of coffee or any other of the many extras found in the OP
4. Grasp molded composition electrode holder and turn 90 counterclockwise working gently remove entire assembly from urn Place identifying mark on top of new electrode holder for vertical positioning in urn With electrodes in horizontal position electrodes pointing towards operator s side of urn insert electrode into urn line up to vertical position by turning clockwise 90 Screw on electrode packing nut hand tighten only Rewire per schematic in Technical Manual or on Nameplate Replace control housing access cover This type assembly commences with serial number 972 1429 1 26 S6161 JB FSE 010 11 Turn on power Timer Part Number 507028 Figure 11 1 Shut off power to urn and remove access cover from control housing 2 Disconnect all wiring from timer 3 Remove 2 6 32 screws from timer dial on front panel of control housing 4 Push timer into control housing and remove 5 Install new timer through inside of control housing 6 Position dial plate over timer on front panel control housing and fasten timer with 2 6 32 screws 7 Rewire per schematic in Technical Manual or on Nameplate Exercise care not to bond terminal tabs on micro switch shorts can result 8 Replace control housing access cover and turn on power 9 Adjust timer as desired Liquid Level Control Part Number 505002 Figure 12 1 Shut off power to urn and remove access cover from control housing 2 Disconnect wiri
5. TRANSFORMER URN SEE HEATER DwG A 738 A 737 A 756 POWER TERMINAL BLOK lojojojs IN ut lejoje WHITE 4 POLE CONTACTOR SHOWN 2085 POLE BE USEO BASED OM ELECTRIC SPEC S OF PARTICULAR URN CONTACTOR FIGURE 4 Figure 4 7400 URN CONTROL CIRCUIT WIRING HARNESS DIAGRAM TIMER AUTO REFILL LOW WATER 43 AIR AGITATION 1 13 1 14 Blank CONNECT POWER HERE 9699 14 SISISIS 3219 LI DADA ON TACTOR GROUND s 38NDI4 SI 3 HEATING ELEMENTS 2 HEATING ELEMENTS SINGLE PHASE ONLY 20 NOT WINE 2 ELEMENTS 3 PHASE Figure 5 TAB TERMINAL HEATER WIRING URNS WITHOUT PUMP S6161 JB FSE 010 SEE ELECTRICAL NAMEPLATE FOR PROPER VOLTAGE PHASE AND NUMBER OF WIRES AND AMPERE LOAD VENTRAL WIRE REQJMED ON 120 208V 6 3WmME 22 34 4 o 20 290V 16 WIRE 120 VOLTS AC CO CONTROL CIRCUIT INGLE PHASE WIRING SHOWN CONVERT TO THREE PHASE 1 MOVE WIRE 6 FROM L TO La 2 MOVE wife 4 ROM 74 TO 7 208 2 WIRE OR 240v i9 2 WIRE OR 08 2 G0V 30 3WIRE OR 4B0V 39 3WIRE REQUIRE STEP DOWN TRANSFORMER FOR 120 V 60 CONTROL CIRCUIT 420v s ow U 70 CONTROL CIRCUIT gone STEP DAWN TRANS FORMER CONTROL CIA CAT 480 NEUTRAL TERMINAL BLOCK Nor SUPPLIED WITH TRANS FORME R A
6. Tighten cap nut finger tight Faucet Coffee or Water Part Number 522094 Empty coffee liner or water compartment through faucet until flow stops If water faucet shut off power to urn Loosen union nut connecting faucet to faucet shank Remove faucet Install new faucet and tighten connecting union nut hand tight plus 1 4 turn Electric Heater Shut off power to urn Shut off water supply to urn Empty water compartment through faucet and drain valve in bottom Close drain valve Remove left liner as follows 1 24 10 jdn 500 126 28 03 Qv S6161 JB FSE 010 Place alignment mark on liner ring and urn top Remove screws at top fastening liner ring to urn body if supplied Insert 1 4 x 1 1 2 x approximately 15 long flat bar stock into slot in liner drain nut at bottom With wrench applied to bar stock unscrew drain nut counter clockwise remove drain nut Tap inside of liner near bottom with clenched fist or rubber mallet to loosen Lift liner out of urn save silicone rubber washer for resealing connection Disconnect wiring from heater terminals IF END MOUNTED HEATER PROCEED AS FOLLOWS Figure 17 Using end wrench or socket wrench remove outside locknut from bulkhead fitting Remove all three heating elements through inside of urn Install three new heaters from inside of urn It may be necessary to bend replacement heaters slightly to avoid interfere
7. hex nut from fitting then turn assembly approximately 90 towards front of urn and pull out carefully Electrode tips can be cleaned with a knife or emery cloth When replac ing DO NOT OVERTIGHTEN hex nut Make sure electrodes are vertical electrode wires should be across from one another horizontal at the fitting note 2Chattering may overwork contactor coil control circuit transformer gas valve or steam valve coil and fill solenoid valve coil Check that these components are functioning properly 010 854 8 19195 S6161 JB FSE 010 NOTE Beginning January 1979 relay no longer plug in type but soldered directly to liquid level control AUTO REFILL AND LOW WATER CUTOFF WHAT THEY ARE 1 Auto Refill of the water compartment keeps the urn body filled with water When water is used the fill valve opens automatically to let in more The fill valve closes when the water level reaches full 2 Low Water Cutoff prevents the electic immersion heater from burning out when there is not enough water to cover it When low water occurs the heat automatically switches off The heat stays off until more water is added 3 A device called a Liquid Level Control keeps the urn filled with water and turns off the heat when the water level is low DESCRIPTION AND OPERATION OF LIQUID LEVEL CONTROL SYSTEM A Components 1 Liquid Level Control switches power to either the thermostat or the fill solenoid valve by sensing change in water l
8. solenoid valves from electric circuit Disconnect tube flare nut on water supply at Y strainer Tf slip joint assembly remove as follows Grasp complete water supply assembly in control housing with 2 hands and pull straight out holding on even plane connection into urn at front and rear are slip joint type no lock nuts If union flare nut assembly remove as follows Support complete water supply assembly in control housing with one hand and disconnect one flare nut at each end of assembly Disassemble assembly to replace either water regulator Part Number 505021 or water solenoid valves brew or refill entire plumbing 1 4 NPT Reassemble Install in urn reversing procedure outlined above NOTE Tf slip joint assembly replace o rings elastomer kit Part Number 521021 on male slip fitting and lubricate with silicone grease before installing in urn Also line up on horizontal plane before installing to prevent shearing o rings Reconnect wiring to solenoid valves see schematic in Technical Manual or an Nameplate Turn on power and water supply Adjust water pressure regulator for proper brew flow per instructions Electrode Assembly Part Number 518005 Figure 16 Shut off power to urn Remove access cover from control housing Disconnect Red and Green wires from H high and L low terminals on liquid level control Trace Red and Green wire to upper right control housing Remove 1 1 16 hex electrode packing nut
9. x 1 16 4 req d Faucet Seat Cup 3 req d gt O Rings Upper Gage 3 req d Figure 13 521021 Urn Elastomer Kit O Ring tor Upper Gage Cap with option 43 tube 7 16 OD x 5 16 ID x 1 16 O Ring for Water Inlet Assembly 4 12 OD x 3 8 ID x 1 16 Ring for Spray Arm 2 5 8 OD x 7H6 ID x 3 32 Teflon Guide Ring for Spray Arm Assembiy 3 4 OD x 1 2 1D Packaged in Plastic Pouch with Silicone Lubricant Figure 14 Seal Kit P N 521028 S6161 JB FSE 010 gt L Silicone tube for option 43 outside 125 ID x 6 Long 2 4 JE 95 78 Drill Vent Hole EST UN Figure 15 Option 43 Outside Tube Kit P N 512015 When Supplied 518005 E Electrode Assembly 518005 A Electrode Assembly 518005 D Electrode Assembly 518005 H Electrode Assembly Figure 16 503052 Electric Heater A 668 2 Electric Heater A 668 3 Electric Heater A 668 4 Electric Heater A 668 6 Electric Heater A 668 7 Electric Heater A 668 1 Electric Heater A 668 5 Electric Heater Figure 17 l 35 S6161 JB FSE 010 514009 Heater Contactor 514007 Heater Contactor 514002 Heater Contactor Figure 18 Nylon Handle 1 Nylon Spacers 2 10 24 x 1 1 4 Hex Head S S Bolts 2 S6161 JB FSE 010 SECTION INSTALLATION AND SERVICE DESCRIPTION S301 Standard Open Frame Solenoid Valve is a 2 way normally closed direct acting general purpose ty
10. 2 1 2 on gas Brew Baslet Selection Chart 1 2 Batch on 10 Brews 3 Gal 6 Gal 10 Gal 1 2 Batch on 6 Gal Gal BB3 BB6 BB810 BB6 3 BB810 6 NOTE SS Permanent Filter Brow Basket with SS woven wire cloth bottom is avail able Filter paper is available from our stock See price list TWIN MODELS 7443 7446 74410 SINGLE MODELS 7413 7416 74110 PRODUCTION ENGINEERING DATA Tan Per Hour Up To 20 Cata 28 9 16 19 12196196 30 70 70 SS of 5 Oz Electric Steam Based on spraying over amount of water equal to capacity of liner TT Cups Per Hour Gas 50 70 u ELECTRIC HEAT Specify electric service desired Standard is dual voltage 120 240 Volt or 120 208 Volt single phase 3 wire neutral wire required Watts and amps as shown 1 3 S6161 JB FSE 010 Standard Voltage Standard Voltage cont d EN 240 Volt 120 108 Volt 480 Volt 3PH 3Wie 4Wie 3 Wire Specify Opt 218 Specify Opt 21A Specify Opt 21C MODEL AMPS AMPS AMPS 7443 105 25 8 22 12 05 25 8 2 00 Control transformer Option 22 included when no 120 Volt in the field No extra charge STEAM HEAT Specify operating steam pressure Standard is 10 to 25 PSI Gage 1 2 FPT steam inlet and outlet Requires plug in of 3 wire cord to 120 Volt AC outlet Steam trap to be supplied by others
11. 3 7443 7444 7416 7446 MANUFAC MFR MFR PART REF DESCRIPTION 7413EX 7443EX 7444EX 7416EX 7446EX TURER CODE NO a Timer NCC t National Controls 28081 TAM 1432 120 Control 221 mostat Cntrls 31 34 505023 Solenoid 1 1 1 1 1 ITT Gen Con 60219 S430IPMO2V3BD7 YAA lo mE o Solenoid Thermometer Water Sprayover Assbly Assbly Liner Washer Pole Breaker 120V er den 505023 Solenoid 33 505026 Rep Kit 1 1 1 1 1 02594 eee Ope A 668 1 208V 2 2 02594 8 5KW 1PH OIO ASH Af 1919S Part Numbers and Quantities Continued peii amp 7413 7443 7444 7416 7446 MANUFAC MFR 2 7 DESCRIPTION 7413EX 7443EX 7444EX 7416EX 7446EX TURER CODE dee 5 5KW 1PH 6 0KW 11 5KW 1PH 7 0KW 1PH 8 0KW 1PH 8 0KW 3PH se 11 5KW 3PH o esws 3 O 10 5KW 3PH 12 0KW 3PH A 668 7 480V 3 3 3 3 3 02594 12 0KW 3PH 0 0 51 19195 S6161 JB FSE 010 Figure 12 505002 Liquid Level Control 1 33 S6161 JB FSE 010 eG O Ring Spray Arm 5 8 OD x 7 16 ID x 3 32 2 reqd lt gt Teflon Seal Spray Arm 1 req d 13 16 OD x 1 2 ID x 3 16 4 Washer Upper Gage Glass 3 req d 11 16 OD x 7 16 ID x 1 8 Washer Lower Gage Glass 3 reqd 5 8 OD x 5 16 ID x 3 16 Washer Jar Silicone 2 reqd 1 1 2 OD x 1 x 1 8 2773 O Ring Water Inlet Assembly 1 2 OD x 3 8 ID
12. ICAN METAL WARE CO WATER LEVEL POWER 13 OREC TED 1835 Reymend Drive Nerthbrash 60062 TC Piah VALVE CFT AUTO REFUL 99 FERLAT CM L WIRING MCI THERMOSTAT CFT 90 LOw WATER Cu TC DONE LEVEL CONTROL FOR AUTO WATER REACHES FULL LEVEL POWER 15 Sow MES rE wich ET AL Low WATER 091 39 VANE Fri 37095 To ThELMOSTAT MEAT COMES on Figure 10 QUICK SERVICE CHECK OF LIQUID LEVEL CONTROL SYSTEM 1 All wires secure and property connected 1 22 S6161 JB FSE 010 2 Plug in relay on printed circuit board seated all the way onto socket 3 Clean the electrodes Lime mineral scale build up can interfere with the operation of any liquid level con trol system REPAIR REPLACEMENT INSTRUCTIONS FOR ELECTRICAL AND MECHANICAL COMPO NENTS ow ue CN EA per YN E 1 2 Thermostat Part Number 504001 Shut off electric power and water supply to urn Drain water compartment below gland fitting Remove access cover from control housing Loosen 5 16 hex packing gland from capillary tubing at packing gland fitting at urn body Remove packing gland fitting using 7 8 wrench Pull out capillary tubing and thermostat sensing bulb Pull off thermostat knob on front of control panel Remove 2 6 32 bezel screws and push thermostat into control box Disconnect wiring from terminals R
13. Lift complete spray arm assembly off inlet piston Replace 0 rings and teflon seal see elastomer kit Part Number 521021 Figure 12 on inlet piston and lubricate with silicone grease To replace inlet piston loosen locknut below cam washers and unscrew from hex base fitting Install new inlet piston reversing above procedure position cam washers as in item 7 Install new spray arm assembly hand tighten knurl nut plus 1 8 turn position lugs on cam washers to index spray arm nozzle over spray opening in each urn cover Brew Pilot Light Part Number 515016 Turn off power to urn Remove access cover from control housing Disconnect wire leads to pilot light Remove press nut from pilot light inside of control housing Push out pilot light from inside control housing Install new light from outside Reverse procedure outlined above Gage Glasses Coffee or Water Part Numbers 522033 034 035 and 522032 049 048 Empty coffee liner or water compartment through faucet until flow stops If water compartment shut off power to urn Remove threaded clean out cap and upper gage glass washer see Part 521021 elastomer kit Drawing A 385 B from top of gage glass protector tube Grasp glass gage through slots in protector tube pull upward and out Install new lower gage glass washer see Part 521021 elastomer kit Drawing A 385 B in bottom of protec tor tube Install new glass tube and new upper gage washer and reassemble
14. MERICAN METAL WARE CO DATE ECN 1835 Raymond Drive Northbrook Illinois 60062 6778 2 8 TERMINAL HEATER URNS vorrAO Y 09 029 1 15 1 16 Blank 11 1 IV Trouble Shooting Auto Refill Low Water Cutoff and Liquid Level Control System PROBLEM POSSIBLE CAUSE SERVICE CHECK REMEDY A Overfilling of water compart 1 Fill solenoid valve leaking due Disassemble and clean out May require new ment when power to urn is to dirt or scale holding valve plunger assembly Caution is advised to avoid OFF open or worn plunger seat damage to valve See S301 valve instruction sheet 2 Fill solenoid valve installed Visual Install so that port marked IN is Connected backwards to outside fresh water supply B Overfilling of water compart 1 High electrode mated with Jumper from HIGH terminal to urn Remove electrode assembly Clean both elec ment only when power to urn is body stops fill trodes See ON 2 Missing or faulty common Jumper from COM terminal next Make good secure connection connection for electrode circuit to HIGH to urn body stops fill COM terminal to urn body Plug in relay pushed all the way Replace liquid level control if problem con faulty onto socket tinues with relay plugged in all the way rr NN et board faulty note 1 C Auto refill is erratic in filling 1 Electrodes shorting to ground Urn fills with electrode wires dis Rep
15. NSF approved cover on brew basket Prevents costly steam moisture loss to room Saves energy with savings of air conditioning load EASY ADJUSTMENT OF SPRAYOVER RATE Simple screwdriver adjustment No awkward changing of parts Improved two stage flow regulator system gives same volume time after time VELVET SMOOTH SPRAY ARM Special teflon coating on spray arm piston prevents liming and insures smooth operation Positive stops on spray arm for operator safety DRAIN IN BOTTOM OPTIONS AVAILABLE Select from Options Section of this catalog eDOUBLE SERVICE SELF SERVICE FAUCETS Available on both twin and single urns Choose from Options Section of this catalog MILITARY SPECIFICATIONS MARINE MODIFICATIONS Twin and single automatic urns MIL U 43263D or latest specification Available modified for marine shipboard use no spillage of liquid with 15 list in any plane and other requirements Contact factory for detailed quotation and data ROUGHING IN DATA Coneult Factory for Current Roughing in Drawing Roughing In Data Roughing In Data Parts List 7443 30 1 2 15 1 4 7 5 8 7 3 4 21 5 8 27 1 8 7446 16 3 4 8 3 8 8 5 8 27 5 8 33 1 8 74410 16 3 4 8 3 8 8 5 8 27 5 8 34 5 8 7413 15 1 4 7 5 8 5 1 2 21 5 8 27 1 8 S6161 JB FSE 010 Roughing In Data Parts List Continued 7416 16 3 4 8 3 8 7 5 8 27 5 8 33 1 8 74110 16 3 4 8 3 8 7 5 8 27 5 8 34 5 8 Add 2 1 4 for flue gas allow additional 6 wall clearance Add
16. S6161 JB FSE 010 0910 LP 641 2046 SGML Version See Change Record TECHNICAL MANUAL INSTALLATION OPERATION amp SERVICE MANUAL SINGLE OR TWIN AUTOMATIC COUNTER MOUNTED MID LINE COFFEE URNS DISTRIBUTION STATEMENT E DISTRIBUTION AUTHORIZED TO DOD COMPONENTS ONLY CRITICAL TECHNOLOGY DATE OF PUBLICATION OTHER REQUESTS SHALL BE REFERRED TO THE NAVAL SEA SYSTEMS COMMAND SEA 09B2 WARNING THIS DOCUMENT CONTAINS TECHNICAL DATA WHOSE EXPORT IS RESTRICTED BY THE ARMS EXPORT CONTROL ACT TITLE 22 U S C SEC 2751 ET SEQ OR EXECUTIVE ORDER 12470 VIOLATIONS OF THESE EXPORT LAWS ARE SUBJECT TO SEVERE CRIMINAL PENALTIES DESTRUCTION NOTICE DESTROY BY ANY METHOD THAT WILL PREVENT DISCLO SURE OF CONTENTS OR RECONSTRUCTION OF THE DOCUMENT PUBLISHED BY DIRECTION OF COMMANDER NAVAL SEA SYSTEMS COMMAND JUN 30 1990 S6161 JB FSE 010 RECORD OF CHANGES CHANGE NO DATE TITLE OR BRIEF DESCRIPTION ENTERED BY NOTE THIS TECHNICAL MANUAL TM HAS BEEN DEVELOPED FROM AN INTELLIGENT ELECTRONIC SOURCE KNOWN AS STANDARD GENERALIZED MARKUP LANGUAGE SGML THERE IS NO LOEP ALL CHANGES IF APPLICABLE ARE INCLUDED THE PAGINATION IN THIS TM WILL NOT MATCH THE PAGINATION OF THE ORIGINAL PAPER TM HOWEVER THE CONTENT IS EXACTLY THE SAME ANY CHANGES RECEIVED AFTER RECEIPT OF THIS TM WILL ONLY FIT IN THIS PAGINATED VERSION RECORD OF CHANGES 1 RECORD OF CHANGES 2 Blank S6161 JB FSE 010 TABLE OF CONTENTS Chapter Paragrap
17. TIONS SECTION of this catalog AMERICAN STANDARD FEATURES FRESH WATER BREWING Special large area heat exchange coil resists scale problems Heats water for brewing sprayover as it travels through coil fresh for each batch brewed FULLY AUTOMATIC ONE TOUCH BREWING TIMER Most foolproof for operator No dial or knob to turn Concealed setting Adjust with screwdriver through front panel Stop sprayover with one touch Use for spray rinse of coffee liner AUTOMATIC REFILL OF WATER COMPARTMENT Saves time and attention required to manually fill Unlimited supply of hot water for tea etc always available eADJUSTABLE BYPASS ON SPRAY ARM proper brew extraction even with variations caused by soft or treated water eDIAL THERMOMETER WITH MARKED BREW ZONE A LS I TYPE 304 18 8 stainless steel construction ONE ALL STAINLESS STEEL BREW BASKET With 25 filter papers eCONTROL BOX ON RIGHT HAND END If requested the control box can be located on left hand end of urn at no additional cost LOW WATER CUTOFF SYSTEM Solid state probe sensor system provides positive protection against heater burnout at start up or in operation eGREATEST SAFETY FOR OPERATOR OSHA controls operate on 120 Volt eSPECIAL PINPOINT CONTROL THERMOSTAT Super sensitive highest accuracy and reliability lowest service cost Includes marked Nite Standby position for energy savings 1 1 S6161 JB FSE 010 CLOSED CHAMBER BREWING Brews with
18. ace rubber seat nozzle slight dripping during off if necessary heat up is normal due to expan sion drippage L Quantity of water sprayed over 1 Adjust flow regulator inside Turn adjusting screw clockwise to increase erratic control box out of adjustment flow counter clockwise to decrease 2 Line water pressure too low Measure water pressure in line to Increase water pressure to urn Replace water under 30 PSI at urn urn Check for undersized lines or lines w 3 8 tube or larger other equipment on same supply E PB Timer repeating Check 2 3 cycles for accuracy Replace timer OIO ASH Af 1919S 01 IV Trouble Shooting Refill Low Water Cutoff and Liquid Level Control System Continued PROBLEM POSSIBLE CAUSE SERVICE CHECK REMEDY M Water never reaches brewing Thermostat set too low Thermometer needle should stop at Turn thermostat knob to brew Remove and temperature High end brew least 1 4 from high end brew reset adjusting screw in shaft counter zone on thermometer zone clockwise to increase cut off temperature N Water spray over rate slows Water supply line strainer Spray over pattern should be full Remove cleanout cap on Y strainer on shortly after installation of urn clogged cone shape water supply line in urn Remove sleeve fil ter Clean amp replace note The electrode assembly is located in the upper portion of the control box To remove assembly first remove
19. are open If any are clogged remove sprayhead and use stiff wire to open 8 Don t use soap scouring powders or abrasives to clean coffee brewing equipment WARNING Cleaner used can effect taste of coffee if not thoroughly flushed out as cov ered ABOVE NOTE Coffee system cleaners that have been used successfully DIP IT manufactured by Economics Laboratories Inc 4 Corporate Park Drive White Plains NY 10604 OXYLITE manufactured by Avril Inc Syndet Division 601 N Third Street Reading PA 19601 1 10 S6161 JB FSE 010 3 8 ALTERNATE ANS NECTION MOR 00 LE WATER m 5 X 1 f 7400 RIES 22 Ar DESIGN CERTIFIED y STUN MAT Sy FLUSH VIIN za 5 iz DOUBLE SERVICE LANS a 2 1 A Ace ov EAS Us our x 2 ji 2 RE OPTIONS u faa Toeschierion d E 0 WITHOUT GAGES sow losa SFAUCETS z n 054 TH GASES TUNNEL 08 4 122 9 U 3 COFFEE WATER COFFEE Es E H 2 Sol T CUSTONZAS Joe gt Fi 2E MUTA gt WORKING STEAM worn ADJUSTABLE 1603 NEHWT CAN INCALAJLO OF RLAR LEVAT On OF
20. cond stage regulator located inside the control housing is adjustable for rate and amount of sprayover desired HALF BATCH BREWING in Standard brew basket is designed for full batch brewing with proper bed depth Half batch brew will result weak final brew because of thin bed depth unless half batch brew adaptor is used or more than normal amount of coffee is used Half batch brew baskets are available for 6 8 and 10 gallon models They require using a smaller filter paper size Occasional half batches can be brewed in standard full batch brew basket by using slightly more then half of usual weight of coffee and using an inverted soup bowl in the center of the brew basket to increase coffee bed depth around the soup bowl and also reduce bottom filtration area CARE AND CLEANING OF COFFEE URNS B DU Always rinse urn immediately after each use Add small quantity of hot water brush sides and rinse with hot water until it runs clean Urn is now ready for next batch At end of each day clean and brush urn several times then rinse thoroughly with hot water Remove clean out cap at end of coffee faucet or take apart faucets which have no caps and scrub pipe lead ing to center of urn Clean urn gage glass with brush and urn cleaner Rinse Scrub the faucet then rinse it thoroughly with hot water Place a gallon or more of fresh water in urn until next use Remove cover and clean Replace cover an
21. d leave partly open ALWAYS REMEMBER TO EMPTY AND RINSE THE URN WITH HOT WATER BEFORE USING AGAIN NOTE On automatic urns use brew start and stop switches or the rinse switch to spray scalding hot water into liner for cleaning and rinsing On pourover urns draw hot water directly from urn Make sure urn water tank is kept near full and heat is on 1 9 S6161 JB FSE 010 SEMI WEEKLY CLEANING PROCEDURE 1 Be sure outer jacket is full of water 2 Turn on heat and fill urn liner 3 4 full of water use only urn cleaning compounds See Note following manu facturer s directions mix thoroughly and let stand about 30 minutes 3 Clean gage glasses faucet pipe plugs etc using long thin brush Use urn cleaning solution for scrubbing Take faucet valve apart and clean thoroughly Clean all tubes well 4 Scrub inside of urn and inside of cover with long handled brush Be sure to clean lug nut in base of urn liner 5 Rinse inside of urn three or four times with hot water scrubbing each time Also rinse parts well Repeat until all traces of foreign odor and cleaning solution are removed 6 Leave a gallon or more of fresh water in urn with cover partly open until next use If cold water is used allow urn to cool to prevent cracking liner 7 Urn baskets may be cleaned by immersing in urn cleaner solution and scrubbing with a stiff brush Rinse thor oughly and let dry Sprayheads should be checked to see that all holes
22. emove thermostat Install new thermostat reverse procedure as outlined above Use thread compound or teflon tape when rein stalling packing gland fitting Turn on water and power to urn Turn thermostat knob to brew position Urn should fill up to stop mark With thermostat knob set at BREW urn should heat Adjust thermostat for proper setting Seat Cup Silicone Faucet Part Number 522102 Empty coffee liner or water compartment through faucet until flow stops If water faucet shut off power to urn Grasp black threaded faucet bonnet nut and turn counter clockwise until free Remove bonnet assembly and clean inside faucet body Grasp seat cup and pull off bonnet stem Press new seat cup on stem and reassemble Hand tighten bonnet nut so faucet does not leak Handles Urn Cover Part Number 513006 Figure 19 Remove 10 24 x 1 1 4 hex head stainless steel bolts underside of cover Remove black metal handle and 2 spacer sleeves Position 10 24 x 1 1 4 hex head stainless steel bolts on cover Install spacer sleeves larger diameter up Mount black metal handle atop spacers and tighten bolts Spray Arm Assembly Part Numbers 1214015 and 1214019 Urn must be in NO SPRAY OVER cycle Loosen and remove knurled nut from spray arm inlet chamber at handle end Beginning January 1979 relay no longer plug in type but soldered directly to liquid level control 1 23 S6161 JB FSE 010 jp
23. erating pressure at urn should be 30 PSI Maximum pressure recommended at urn is 75 PSI Copper or aluminum tubing should be used for flexibility and avoiding strain on the urn tA A To insure pressure at the urn of at least 30 PSI use 3 8 O D tubing for short runs 1 2 O D tubing for longer runs and larger size tubing for unusually long runs Electric 1 Field terminal block located inside control box 1 5 S6161 JB FSE 010 2 An experienced electrician should be responsible for connecting urn to electric power 3 Check rating marking on urn to be sure supply lines match voltage and phase requirements 4 Neutral wire normally required on all single phase and on 208 Volt three phase power supplies to operate 120 Volt AC control Circuit If single phase 2 wire service no neutral or 3 phase 3 wire service no neutral a transformer is installed to supply 120 volt AC power to control circuit 5 A fused disconnect switch should be installed near urn 6 Urn body must be grounded A grounding conductor terminal is provided for this purpose Other means of positively grounding urn may be used 7 Use only copper wire to connect this urn OPERATION START UP 1 Turn power on to urn Have spray arm in Park position with nozzle in vent tube opening at center rear Turn on water supply to urn With automatic refill water compartment will fill automatically Time required to fill is 10 to 15 minutes In ca
24. evel Low CCM RELAY TRANSFORMER PRINTED CIRCUIT 48 00 Figure 7 2 Electrode Assembly consists of a high short and a low long sensing electrode molded in an epoxy body GREEN WIRE sA HIGH RED WIRE LOW Figure 8 3 Urn Body provides a common ground connection for the electrode circuit 1 21 S6161 JB FSE 010 B Operation Description ond af Liquid Level Control System tont 8 Operation E Mises ta high 01617600 Electrode circuit closes 118612 10 01 control turas Of pouer te WATER LEVEL 1111 valve and turni on power ta OA 1 Below USt electrodes 1 tiectrede circuit open 114 AS lh level control sn power ta voles ond turas aff tk Y there 4 D TATI sa vol CM ment rr 4 Falls ta below high circuit Ton ae electrode hile low elecerede by In water ON ort T a TT TA 2 Mises ta low electrode Electrode circuit 55894 open Action remates warhenged roo m Step ore ym o wemnr n 1 N nen aL ai Zr a fells to below low Crer proar A se CHE STEP vaL vt Figure 9 fil fOTAOOE f med 5 POWER se 7 1 Ci 1 LEVEL MOM THERMOSTAT AMER
25. h Page GENERAL DESCRIPTION 4 mme sens a PGES Per Slack ad 1 5 INSTALLATION ue giaa m a des E ie 1 5 OPERATION s sciet 28 vu an sr Dean a ea 1 6 HOW BREW IN AN AUTOMATIC URN 1 8 CARE AND CLEANING OF COFFEE URNS 1 9 QUICK SERVICE CHECK OF LIQUID LEVEL CONTROL SYSTEM 1 22 REPAIR REPLACEMENT INSTRUCTIONS FOR ELECTRICAL AND MECHANICAL COMPONENTS 1 23 PART NUMBERS amp QUANTITY REQUIRED FOR 1 YEAR 1 29 VALVE DISASSEMBLY o o o ERR ee 1 39 DIRECTORY 245 9 qe a weto de ORO e 1 39 S6161 JB FSE 010 LIST OF TABLES Table Title Page Roughing In Data Parts List 1 2 Brew Baslet Selection Chart 1 3 PRODUCTION ENGINEERING DATA 1 3 standard Voltage ss dus aachen ww m obo ds Use 1 4 Standard Voltage 1 4 IV Trouble Shooting Auto Refill Low Water Cutoff and Liquid Level Control Systemi cedar 8 2 Vie eee SRS EERO EES Voy e ER eee OE 1 17 Part Numbers and Quantities 1 30 Manufacturers Suppliers for Component Parts 1 39 Recommended Coffee Urn Cleaners 1 40 11 Figure 3 4 5 6
26. lace electrode assembly See Sometimes fills sometimes completely or intermittently connected from HIGH and LOW terminals 2 Liquid level plug in relay Plug in relay pushed all the way Replace liquid level control if problem con onto socket Jumper from NC ter tinues with relay plugged in all the way and minal to adjacent COM terminal urn fills only with jumper in place starts fill 3 Liquid level control faulty Urn does not fill with electrode Replace liquid level control wires disconnected from HIGH and LOW terminals D Auto refill fails to fill water 1 No power at urn Nothing operates on urn Make sure main switch es fuse s circuit compartment Low water cutoff breakers provide power to urn that fuse on failure 1f heat comes on urn is OK and master switch if provided is on or circuit breaker open gt clogged renewal parts 4 First stage outside regulator Visual Install so that port marked IN is connected backwards to outside fresh water supply 010 HS4 Hf I919S 8l 1 IV Trouble Shooting Auto Refill Low Water Cutoff and Liquid Level Control System Continued PROBLEM POSSIBLE CAUSE SERVICE CHECK REMEDY 5 Water strainer clogged 6 Fill solenoid valve clogged with scale or frozen closed 7 Fill solenoid valve coil inop erative 8 Electrodes shorting to ground 9 Liquid level plug in relay faulty 10 Liquid level control faulty E Slow une
27. nce with heat exchange coil or liner Tighten locknut securely Reconnect wires to terminal and reverse Steps 1 through 4 being sure to place silicone rubber washer between liner elbow fitting and bottom of liner Control Circuit Transformer Part Number 515043 Shut off power to urn Remove access cover from control housing Disconnect wiring from transformer Remove transformer fastening screws Replace transformer check primary wiring against instructions on transformer for voltage being used Reconnect leads per schematic in Technical Manual or on Nameplate Replace access cover and turn on power Electric Contactor Figure 18 Shut off power to urn Remove access cover from control housing Disconnect all power cables and 120 volt coil wiring Remove contactor fastening screws remove contactor Install new contactor Reconnect 120 volt to coil and power cables to clamp type connections on contactor all power cable con nections to be tightened down securely Replace access cover to control housing Turn on power to urn Solenoid Valve Brew Refill Water Pan Number 505023 Figure 19 Regulator Water Part Number 505021 This type heater commences with serial number 972 683 1 25 S6161 JB FSE 010 VD RE 10 11 12 13 8 9 10 Shut off power to urn Shut off water supply to urn Remove access cover from control housing Disconnect 2 brew refill water
28. ng from all terminals 3 Remove and replace entire liquid level control Never replace an individual part on above 4 Rewire per schematic in Technical Manual or on Nameplate 5 Replace control housing access cover and turn on power 1 27 S6161 JB FSE 010 TWIN URN CONTROL BOX POWER lilPUT NPT WATER INLET 3 8 Figure 6 ILLUSTRATED PARTS BREAKDOWN 7400 SERIES 1 28 S6161 JB FSE 010 PART NUMBERS amp QUANTITY REQUIRED FOR 1 YEAR 1 29 05 1 Part Numbers and Quantities FIG amp 7413 7443 7444 7416 7446 NUFAC MFR MFR PART CIE EE d 3 GAGESHIELDS SHIELDS AA a AAA 522004 2 8724 A7813 92047 Waer Joo 1 8724 9200 Cofee 7 1 2 8704 45 EZ LE JGAGE SHIELDS _ _____ ____ 1 2 12 ______522034 1 8729 18 6830 81 13 O ____ 522035 1 2 J 87294 1868308115 EE GAGE GLASS SHIELDS 542050 3 8794 19 668600 nn lm 21 MUSLIN CLOTH FILTERS 542050 3 4 gal MA Gen te Co 20011 542052 6 gal 20011 fee Water 22222727 Cup Light 5 16 7 31 34 521021 Urn 1 1 1 1 1 02594 llo 010 454 19198 Part Numbers and Quantities Continued FIG amp 741
29. o the coffee liner By adjusting bypass valve brew can be controlled for ideal extraction from coffee Variable brewing factors which the coffee urn cannot control are 1 The uniformity and type of grind on coffee supplied 2 The uniformity and quality of roasting and selection of blend and type of coffee beans used and the fresh ness of ground coffee used in a brew 3 Water chemistry i e mineral content taste factors chlorine fluorine iron etc and effects of any treatment process occurring ahead of urn 4 Uniformity and quality of filter paper is also important and proper storage and handling of paper effects final brew 5 Proper and regular frequent cleaning of all coffee brewing equipment is vital to insure the most delicious tast ing brew start pushbutton timer adjust Stop pushbutton brew light thermostat Coffee faucet dial thermometer E A coffee faucet hot water faucet Figure 2 1 7 S6161 JB FSE 010 HOW TO BREW IN AN AUTOMATIC URN BL N Place filter in brew basket with designated amount of ground coffee automatic urns are designed to use 1 2 or 3 Ibs of coffee Make certain vou have a level bed of coffee Replace cover and move sprav head over center of coffee grounds Check thermometer to make certain urn is at brewing temperature Press start button When brew cycle is completed brew light shuts off remove brew basket and dispose of s
30. pe All stainless steel construction with optional synthetic seating and sealing materials Valves my be mounted in any position A spring loaded plunger assures positive shutoff CS4 solenoid coil 1s rated at 10 watts SPECIFICATIONS Safe working pressure psi See Valve nameplate Maximum Flow Media Temp at 77 F 25 C ambient Class A M Coil 185 F 85 C On off cycling 300cpm max Cv Factor 3 64 116 3 32 2 32 3 16 3 8 INSTALLATION Check valve specification to make sure of proper application CAUTION This solenoid valve should be installed only by a qualified service person 1 Clear all lines of foreign matter 2 Valves are multipoised and may be mounted in any position Flow must be in direction indicated on valve body CAUTION Valves with W in 5th digit position of valve catalog number must be mounted on a horizontal pipe line with solenoid in an upright position 1 37 S6161 JB FSE 010 3 Apply thread seal sparingly to male threads only 4 Provide clearance for solenoid removal 5 Wire in accordance with applicable national and local codes 2 HEX NUT NI ST LOCKWASHER NAMEPLATE COIL SPRING WASHER c M e e Sm 0 5301 Standard Open Frame Solenoid Valve O RING 1 e SERVICE AND REPAIR WARNING Disassembly reassembly or internal adjustment without factory test may res
31. pent grounds Mixing of finished brow is accomplished automatically at the end of the brow cycle if the urn has an air agi tation option Where urn is not equipped with air agitation draw one gallon for each three gallons of finished brow from coffee faucet and pour over top into coffee liner Coffee ready to serve Variable brewing factors which this coffee urn can control are Contact time of water with ground coffee Accuracy of water spray over volume Temperature of water spray over Holding temperature of finished brew Proper and uniform extraction over coffee brew basket bed area Proper coffee bed depth in brew basket NYDN FW NY m Proper and thorough mixing of first rich brew with later weaker brew for uniform final brew Final decision of brewing formula and brewing cycle adjustments rests with the operator and the coffee sup plier COMPLETE URN BREW CYCLE ADJUSTMENT PROCEDURE See charts on page following and also Parts Breakdown drawing following service section of this manual Urn must be full of water and heated to operating range thermometer pointer at high end of Brew zone before starting adjustment 1 8 Set spray arm bypass valve Set timer for 2 minutes Remove cover from control housing Remove cover and brew basket from left liner Measure one gallon of water and pour into left liner and mark level on gage shield with pencil Drain liner Close faucet Swing
32. screwdriver Longer time more sprayover shorter time less sprayover Each 1 4 minute increase or decrease adds or subtracts about 1 3 gallon to sprayover total Replace cover after setting Note that setting of sprayover bypass valve effects amount of sprayover Set as desired Before actual use of urn it should be thoroughly cleaned and washed It is also recommended that a batch of coffee be brewed in each liner based on a final brewing cycle timer setting actual muslin bag or filter to be employed We recommend that these first batches be thrown out and not used Strength of brew may be checked by hydrometer or evaporation tests but flavor test might be poor on first batch COFFEE BREWING AND URN BREW CYCLE Measurement of water quantity sprayed over is by a precision electric timer controlling an electric solenoid water valve When timer is started water solenoid valve opens and water line pressure forces fresh water to flow 1 6 S6161 JB FSE 010 through heat exchange coil and come out of the spray nozzle and spray over the coffee in the brew basket The rate at which the water flows is controlled by a two stage water flow regulator system designed to provide accu rate flow rate under all conditions All urns with coffee liner capacity of 6 8 or 10 gallons have an adjustable bypass on the spray arm Some 3 gallon models may also be so equipped This bypass allows some spray over water to bypass the brew basket and go directly int
33. se of failure to fill refer to Automatic Refill Service Instruction page 2 Turn thermostat knob to Brew position Pilot light at top of thermostat bezel should light up Water in urn should heal up and rise to high end of Brew zone on thermometer within approximately 55 minutes depending on temperature of water in urn Pilot light at top of thermostat bezel should go out when water in urn is at brew temperature This pilot light will also go out in case of dangerous low water conditions or no power at urn due to blown fuses switch off or while urn is refilling OPERATION START UP CHECKS Turn thermostat dial to Brew position Pilot light at top of thermostat bezel should light up and when ther mometer pointer is in high Brew zone this pilot light should go out Water in urn tank is now at brew tem perature NOW and ONLY at initial start up we advise checking time of flow of hot water to spray nozzle 2 Checking Spray Over Volume and Rate Remove cover from brew basket over one liner Position spray nozzle over this brew basket Liner should be empty and faucet shut off Push in timer start button and brew pilot should light up Hot water should start to spray into brew basket Allow to spray until brew pilot light goes out and sprayover stops Measure amount sprayed over by drawing off into a calibrated one gallon measure If amount is more or less than desired remove cover to reveal timer adjustment and reset timer using a
34. spray arm over left liner Push brew timer start button and use second hand of watch or stop watch to time spray over of one gallon to pencil line on gage shield Then drain liner and close faucet Check number of seconds required for spray over of one gallon approximately 80 seconds recommended If spray over time in seconds is too long loosen lock nut and screw in adjusting screw turn clockwise on flow regulator inside housing about 1 8 turn Tighten lock nut If spray over time in seconds is too short loosen lock nut and screw in adjusting screw out turn counter clockwise on flow regulator about 1 8 turn Tighten lock nut Recheck spray over time as in Step 5 Now set timer to quantity of water desired 10 S6161 JB FSE 010 Push brew timer start button and allow to spray over full timer amount into liner Check total spray over water by drawing off into one gallon measure a gallon at a time If spray over is slightly over or under desired amount change timer setting longer time to increase amount shorter time to decrease amount Replace cover on control housing and timer cover if applicable No further adjustment of the flow regulator should be necessary Fine adjustments can be made at any time on the timer setting only NOTE This urn has a two stage water flow regulator system The first stage regulator located outside under the control housing is factory set at 25 PSI Do not change or adjust this regulator The se
35. tops as the timer opens and closes a water brew solenoid valve Whenever this brow process is going on in the urn an orange pilot light also lights up Automatic refill is provided to keep the tank always full of water Whenever the level drops a built in con trol causes water to enter the tank by opening a second water solenoid valve This refill valve closes when full is reached Low water cutoff is included to prevent damage to the urn or heater that can be caused by a low water level Even at initial start up no heat can come on until a safe water level is reached in the tank Air agitation If provided blends the brewed coffee by allowing low pressure air to bubble up through the coffee in the coffee liner Programmed agitation is automatic at the end of each brew cycle Depressing a manual agitation switch provides further mixing between brews All components of the control system are enclosed in a stainless steel housing on one end of the urn INSTALLATION 1 Position urn so that the faucets drip into a drain trough or drain receptacle of some type 2 Level urn both front to back and left to right The feet are adjustable for this purpose UTILITY CONNECTIONS Water 1 3 8 NPT water inlet located beneath control box N Cold or hot water may be used Heat input capacity is ample for cold water and cold water should be used for best results Provide shutoff valve and union in supply line near urn Minimum op
36. ty of parts Incorrect reas sembly can cause coil burnout Be careful do not nick dent or damage plunger tube DIRECTORY Manufacturers Suppliers for Component Parts 23826 Furnas Electric 6 1000 McKee St Batavia IL 60510 20011 General Bog Co 3368 W 137th St Cleveland Ohio 44111 60219 ITT General Controls 801 Allen Ave Glendale CA 91201 1 39 S6161 JB FSE 010 Manufacturers Suppliers for Component Parts Continued 95263 Leecraft 21 37 44th Rd Long Island City NY 11101 28081 National Controls Corp 9311 N DuPage Ave Lombard IL 60148 77857 Robertshaw Controls New Stanton Division Youngwood PA Recommended Coffee Urn Cleaners DIP IT Economics Laboratories Inc 4 Corporate Park Drive White Plains NY 10604 OXYLITE Avril Inc Syndet Division 601 N Third St Reading PA 19601 1 40
37. ult in hazardous condition If control does not operate properly after fol lowing the INSTALLATION and SERVICE Instructions complete control must be replaced by qualified person S6161 JB FSE 010 S301 standard solenoid valves provide dependable operation for many years However foreign matter between valve seat and disc can cause leakage VALVE DISASSEMBLY 1 Unscrew hex nut from plunger tube to remove lock washer nameplate and spring washer 2 Lift coil frame coil and bottom spring washer from valve body Be careful do not disarrange solenoid assem bly 3 Use ITT GC wrench No 63591A to remove solenoid base nut and plunger tube from valve body Be careful do not nick dent or damage plunger tube or seating surfaces Slip base nut from plunger tube and check 0 ring for damage Remove plunger assembly and spring from body Check plunger seating surface for damage and wear Check square seal ring and valve body seating surface for damage 04 oa Reassemble in reverse order NOTE Tighten base nut 18 to 24 inch pounds Field replacement parts and instructions are included in available kits Order these parts kits from Form No SDPS30 1 COIL REPLACEMENT Turn off electric power to solenoid Disconnect solenoid leads It is not necessary to remove valve from pipe line Follow steps 1 and 2 under VALVE DISASSEMBLY When disassembling solenoid take care to note exact order of placement and quanti
38. ven chattering at end 1 Low electrode coated with of fill cycle settles down ther scale mostat pilot light switches on and off in unison with noise single phasing See 9 2 2 High and low electrode wires Visual Red wire should be on HIGH terminal green reversed on liquid level control wire on LOW 5 Liquid level printed circuit board faulty No sprayover on automatic urns Disassemble Jumper from NC terminal to adja cent COM terminal does not start fill Urn fills with electrode wires dis connected from HIGH and LOW terminals Plug in relay pushed all the way onto sock et Jumper from NC terminal to adjacent COM terminal starts fill Urn does not fill with electrode wires disconnected from HIGH and LOW terminals Jumper from LOW terminal to urn body during chatter stops it Remove and clean micromesh screen filter located in water strainer In line with fill solenoid valve Clean out and or replace plunger assembly or replace entire valve May require new coil Caution is advised to avoid damage to valve See S301 valve instruction sheet Replace coil Also check for frozen plunger See S301 valve instruction sheet note 1 Replace electrode assembly See Replace liquid level control if problem con tinues with relay plugged in all the way and urn fills only with jumper in place Replace liquid level control Remove electrode assembly Clean both elec trodes See e Electrode
39. wires should be across from one another horizontal at the electrode assembly fitting Replace liquid level control Replace liquid level control 010 854 8 19195 61 1 IV Trouble Shooting Auto Refill Low Water Cutoff and Liquid Level Control System Continued PROBLEM POSSIBLE CAUSE SERVICE CHECK REMEDY F High speed rapid fire chatter 1 Capacitor failure on liquid Visual and audio Replace liquid level control Also check ing that ends with liquid level level control printed circuit board contactor or steam valve or gas valve fill control system failure See 992 causes rapid back and forth solenoid valve and if provided control cir switching between fill and heat cuit transformer cold circuit breaker on urn LEN REN RN heater terminals a level on gage water line strainer nals tem board 3 Voltage at heater terminals but If necessary replace defective element no heat Remove coffee liner to replace H Water boils continuously on 1 Thermostat out of calibration Thermostat should cut off power to With stat knob set on brew Pull off knob brew setting heater when thermometer needle at Turn adjusting screw inside knob shaft clock far right end in blue brew zone wise to reduce cut off setting above water from urn position quently OHmeter K Continuous leak from spray Dirt or scale on solenoid seat Dripping stops with power to urn Clean out solenoid valve repl
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