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Frymaster 17EC User's Manual

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1. sueg 9 uoneJedo S 9poJA 1940072 0140914 PU MSH SOALI 0841 LU Frymaster Frymaster a member of the Commercial Food Equipment Service Association recommends using CFESA Certified Technicians 24 Hour Service Hotline 1 800 551 MAY 2003 3195680 06 07 04 DURING THE WARRANTY PERIOD THE CUSTOMER USES PART FOR THIS ENODIS EQUIPMENT OTHER THAN AN UNMODIFIED NEW OR RECYCLED PART PURCHASED DIRECTLY FROM FRYMASTER DEAN OR ANY OF ITS AUTHORIZED SERVICE CENTERS AND OR THE PART BEING USED IS MODIFIED FROM ITS ORIGINAL CONFIGURATION THIS WARRANTY WILL BE VOID FURTHER FRYMASTER DEAN AND ITS AFFILIATES WILL NOT BE LIABLE FOR ANY CLAIMS DAMAGES OR EXPENSES INCURRED BY THE CUSTOMER WHICH ARISE DIRECTLY OR INDIRECTLY IN WHOLE OR IN PART DUE TO THE INSTALLATION OF ANY MODIFIED PART AND OR PART RECEIVED FROM AN UNAUTHORIZED SERVICE CENTER A DANGER Improper installation adjustment alteration service or maintenance can cause property damage injury or death Read the installation operating and service instructions thoroughly before installing or servicing
2. Remove these Nutz screws on both Sides to remove backsplash and topcap Remove these screws to dismount the control panel Remove these screws to release the pots from the standoff brackets 9 Invert the cookpot or rinse tank on a suitable work surface and remove the salvageable components e g elements thermostats drain plumbing etc Install the recovered components on the replacement cookpot or rinse tank using thread sealer on all connections 10 Reverse Steps 1 through 8 to complete the procedure 6 4 Troubleshooting NOTE 24VAC power to the electronic components of this system is controlled by the master ON OFF switch located on the front of the contactor box If this switch is in the OFF position none of the system components will function DANGER The master ON OFF switch does not disconnect this equipment from the electrical power source Line voltage is supplied to the transformer and to the basket lift motors as long as the unit is plugged in Problems with this equipment may be grouped into five broad categories Failure or malfunction of 24 Power Supply System component Failure or malfunction of the Computer Failure or malfunction of an Autofill AutoSkim System component Failure or malfunction of a Water Heating System component Failure or malfunction of a Basket Lift System component peu
3. CE HIEN ES 296 1 8139 Ly 1 h 1311 1 HOLIMS 139nV3 E Units with Computers 7 31 VaN VaN VaN VaN VaN VaN VaN VaN VAN VaN TaN aN TaN J Frymaster Enodis One Company Countless Solutions Frymaster L L C 8700 Line Avenue PO Box 51000 Shreveport Louisiana 71135 1000 Shipping Address 8700 Line Avenue Shreveport Louisiana 71106 TEL 1 318 865 1711 FAX Parts 1 318 219 7140 FAX Tech Support 1 318 219 7135 SERVICE HOTLINE 819 5680 PRINTED IN THE UNITED STATES 1 800 551 8633 May 2003
4. 7 25 7 26 Water Supply System Components 7 28 Wining TAD TAMAS etn 7 30 iii THIS PAGE INTENTIONALLY LEFT BLANK ELECTRIC COOKER MODELS 17 17ECS ESW AND EWBS CHAPTER 1 GENERAL INFORMATION 1 4 Parts Ordering and Service Information In order to assist you as quickly as possible the Frymaster Factory Authorized Service Center FASC or Service Department representative requires certain information about your equipment Most of this information is printed on a data plate affixed to the inside of the door Parts orders may be placed directly with your local FASC or distributor Included with cookers when shipped from the factory is a list of FASCs If you do not have access to this list contact the Frymaster Technical Service Department at 1 800 551 8633 or 1 318 865 1711 When ordering parts the following information is required Model Number Serial Number Voltage Item Part Number Quantity Needed Service information may be obtained by contacting your local FASC Distributor Information may also be obtained by calling the Frymaster Technical Service Department at 1 800 551 8633 or 1 318 865 1711 When requesting service please have the following information ready Model Number Serial Number Voltage In addition to the model number serial number and v
5. With the basket lift in the UP position is 27 33VDC present at Pin 7 or 9 of IFB 15 pin connector 0 volts if in DOWN position Computer has Replace m Yes With the basket lift in the UP position is line voltage present at the NC lower terminal of the microswitch middle terminal if in DOWN position has m No Replace Yes With the basket lift in the same position as for the previous check is line voltage present at the Common terminal of the switch Switch has failed No j Replace Yes Motor has failed Replace 7 18 7 5 Parts List 823 1910 806 7569 910 2545 824 0587 ra 803 0018 803 0260 6 823 2754 7 910 2766 8 810 1008 9 810 1463 10 803 0155 11 803 0234 12 803 0233 13 826 1117 14 826 1118 15 826 0900 T 803 0259 803 0218 COMPONENT Basket Bulk Cooking Full Size cannot be used with basket lifts Cover Strainer Board Cookpot Top Connecting Strip used on double units only Cup Single Portion Beige White Basket Bulk Cooking Half Size for use with basket lifts Pan Insert Hose Water Supply with Quick Disconnect Fittings Swirl Hose Water Supply with Quick Disconnect Fittings Basket Sauce Packet Brush Probe Cleaning Rack Basket Support Caster without Brake 5 Inch includes mounting hardware Caster with Brake 5 Inch includes mounting hardware Chain Re
6. 41 WHT 7 1 51 WHT c 7 2 42C WHT 2 520 WHT 43C BLK lt 42 43 gt 53C BLK oos Oa 6 26 106 0385 Computer 17ECS 824 0856 Starch Shield mounts to back of control panel to protect computer 807 1555 Fuse 5 Amp 807 1308 Holder Fuse 809 0328 Screw 4 40 x 4 inch Slotted Pan Head 809 0237 Nut 4 40 Hex Head Keps 807 0680 Transformer 208 240V AC 24V AC 50 60Hz 43VA 807 3996 Relay 75 Amp 280V SPST NO Solid State 815 0554 Compound Heatsink GC Thorsen 10 8109 807 0037 Tab Faston 6 35 250 Series 809 0096 Screw 6 32 x amp inch Binding Slotted Head 807 1396 Relay 2AVDC SPDT 809 0102 Screw 8 32 x inch Slotted Truss Head 809 0247 Nut 8 32 Hex Head Keps 807 2082 Switch Non Illuminated Rocker 802 1793A Label ON OFF 810 1202 Contactor 3 Pole 600VAC 40 Amp 807 2464 Block Delta Power 807 0070 Terminal Ground Lug 802 0742 Label Ground 807 2749 Heatsink 900 2752 Plate Cordset 900 5895 Top Triac Contactor Box 809 0359 Screw 8 x 4 inch Slotted Hex Washer Head 200 0008 Box Triac Contactor 900 5785 Rear Triac Contactor Box 900 8239 Rear Split Triac Contactor Box 809 0117 Screw 10 32 x inch Slotted Truss Head 200 0180 Brace Contactor Box Rear 200 0181 Brace Contactor Box Front 826 1374 Screw 10 x inch Hex Head 900 544
7. Sections 6 4 1 through 6 4 5 briefly explain the functioning of each of the systems mentioned above Section 6 4 6 contains troubleshooting guides that provide systematic procedures to isolate and identify the specific source of a problem A wiring diagram is located at the end of the chapter 6 4 4 How the Power Supply System Works Line voltage is supplied to the system via a power cord that is plugged or hard wired into the store s electrical service The power cord is attached to a three lug delta power terminal block One set of wires delivers line voltage from the load side of the block to Terminal 1 of each of the solid state relays A second set of wires delivers line voltage through a pair of 5 Amp fuses to the 24V AC transformer and to the basket lift relay Line voltage for one side of the basket lift motor circuit is tapped from a piggy back terminal on the line side of the transformer Line voltage for the other side of the circuit is supplied via the basket lift relay 24VAC 15 supplied to the equipment by placing the master ON OFF switch in the ON position which grounds the transformer 6 4 2 How the Computer Works The SMS III computer provides the interface between the operator and the system components The computer is powered by 24VAC supplied through Pins 1 hot and 2 ground of the 15 pin wiring harness Internal circuitry senses the water level water temperature and element temperature Depending upon the cond
8. should appear in both displays indicating that the cookpot is at setpoint If not check the actual temperature and setpoint SELECTING FAHRENHEIT CELSIUS DISPLAY MODE l The computer can display temperatures in either Fahrenheit or Celsius To change from one to the other press the Program Mode Switch v Co d E will appear in the left display Enter the code number 1 6 5 8 on the number keypad The computer will toggle the temperature display from Celsius to Fahrenheit or from Fahrenheit to Celsius Press the Temperature Check Program Lock Switch 1 to display the temperature in the newly selected mode SELECTING STANDARD OR SLOW CLOCK 3 8 The computer can be programmed for either standard or slow clock times The standard clock displays minutes and seconds the slow clock displays hours and minutes To toggle back and forth between times press the Program Mode v switch then enter the code 165 3 using the product buttons SELECTING BOIL OR SIMMER MODE In the SIMMER mode the water temperature is maintained at the setpoint programmed by the operator In the BOIL mode the water temperature is raised to 212 F 100 C Select the SIMMER mode by pressing the R button If the temperature of the water is above the setpoint hi will be displayed If the temperature of the water is below the setpoint lo will be displayed If the temperature is within 11 F 6 C of the setpo
9. 1C BLUE 24 2C YLW 125 22 3 PHASE 3 WIRE MALE CONNECTORS REAR OF BOX eR SR INTERFACE BOARD 00 44H 55 00 99 m 66H BLK 6C BLK ONNECTORS FEMALE CONNECTORS CONTACTOR BOX RED GRN 05133 6 30 520 TEMP PROBE mW Wir gui 1 2 LINE FROM CONTACTOR BOX LO LEVEL SWITCH HI LEVEL SWITCH 6C BLK 24V 12V LOAD ch SH Th 7C BLK N 4 RED BUZZER YLW FROM CONT BOX 5 5 gt 11 8C ORA 9 4c 8 HI LIMIT YLW 9C ORA 57 56 25 1C BLUE COMMON 2C YLW 25 22 dl PL PIN 1 2 3 PHASE 4 WIRE p gt mee MALE CONNECTORS REAR OF BOX BID AR SR AR o si 4 i IAN SOUND L 5 8
10. 809 0250 806 9100 823 2760 823 2770 910 2454 807 0495 807 2479 807 2082 807 2273 806 9413 809 0238 809 0360 810 1164 809 0354 806 6505 806 9295 809 0250 807 2272 900 5026 810 0387 802 1432C 806 4206 Not illustrated COMPONENT Nut 6 32 Hex Head Keps Computer CM III for use on EWBS units only Panel Computer Control with Two Cutouts Panel Computer Control with One Cutout Panel Manual Thermostat Control Light Red and White Split 24V Switch ON OFF ON Rocker Switch ON OFF Rocker Non Illuminating Switch ON OFF Rocker Non Illuminating Bracket Interface Board Mounting Nut 4 40 Hex Head Screw 8 x Ys inch Washer Slotted Hex Head Block Screwless Terminal Screw 4 40 x 4 inch Slotted Pan Head Interface Board For use on units with manual thermostat controls For use on units with computer Nut 6 32 Hex Head Keps Thermostat Operating Bracket Thermostat Mounting Knob Control Label Thermostat Dial adhesive backed Probe Temperature for use on units with computers 7 24 COOKPOT AND DRAIN COMPONENTS ITEM PART COMPONENT Cookpot 823 23925 Units with Manual Controls 823 27575 Units with Computers 816 0152 Insulation Cookpot Front 900 5405 Retainer Cookpot Front Insulation 900 1762 Retainer Insulation 826 1376 Nut 10 32 Hex Head Keps Pkg of 10 806 7552SP Water Level Sensor Assembly Temperature Sensor 807 2272 Operati
11. Is 24VAC present across Pins 1and 2 of the 15 pin connector on the front of the contactor box Causes are broken or loose wiring or a failed contactor If wiring and connections are verified to be intact replace contactor master ON OFF switch in ON position Replace switch as required If switch is OK causes are broken or loose wiring Check connections and replace wiring as required Is 24 present on the load side of the transformer Is line voltage present on the line side of the transformer Yes Transformer has failed Replace Check 5 amp transformer fuse Replace if blown If fuse is OK cause is loose or broken wiring or the electrical service circuit is dead TROUBLESHOOTING THE 24VAC POWER SUPPLY TO THE COMPUTER Place the master ON OFF switch in the OFF postion then back in the ON postion Press the ON OFF switch on the computer Did the computer activate Was there an audible snap from the contactor indicating the coil energized There is a problem in the 24VAC Power Supply System Refer to the troubleshooting guide on Page 6 14 Yes Is 24VAC present across Pins 1 and 2 of the wiring harness Cause is a loose or broken wire in the wiring harness Yes 24VAC is reaching computer TROUBLESHOOTING THE AUTOFILL SYSTEM
12. 7 Secure the high limit thermostat against the inside of the leg of the element with two metal wire ties 8 Insert the pins on the element leads into the element connector in accordance with the illustration on the following page Each element lead is marked with a number that corresponds to the hole in the connector into which it should be inserted The insulation on the lead will be flush with the face of the plug when properly positioned When all leads are positioned correctly close the connector and verify that the tabs are locked in place 7 4 pip identifying Hole 1 9 Bundle all six element leads together and secure with plastic wire ties close to the element and connector and in the middle 10 Plug the connector into the contactor box Reverse Steps 1 and 2 to complete the procedure 7 3 A Replacing the High Limit Thermostat 1 Drain the cookpot and disconnect the cooker from the electrical power supply Disconnect the unit from the water supply at the rear of the cooker If the unit is equipped with basket lifts remove the basket lift arms Cut the metal wire ties securing the thermostat tube to the element 2 Reposition the cooker to allow clear access to the rear of the unit Remove the cabinet back on units with basket lifts remove all three back panels 3 Atthe rear of the cookpot loosen the small compression nut then unscrew the large fitting from the cookpot Pull the thermostat tube out through the rea
13. 32 When the water is at or above the minimum temperature for boiling transition temperature the controller pulses power to the elements at a programmable rate The range can be set between 0 and 9 The default setting is 5 When the water temperature is below boiling point the power application is 100 percent To set the Transition Temperature Boil Intensity 1 Verify that the controller is OFF the display is blank 2 Press the Simmer right thermometer icon switch to enter the programming mode appears in the display 3 Enter code 1111 press the button four times TRANSITION TEMPERATURE appears in the display NOTE If TRANSITION TEMPERATURE does not appear your controller is not configured with this feature Press the Simmer switch to exit the programming mode The display will go blank 4 Enter the minimum temperature for boiling with the keypad This temperature will vary with your altitude As a guide the table below provides boiling points for altitudes from sea level to 6000 feet 1830 meters Altitude Boiling Point Feet Meters F C 0 0 212 100 1000 305 210 99 2000 610 208 98 3000 915 207 97 4000 1220 205 96 5000 1525 203 95 6000 1830 201 94 5 Press the simmer switch 58 the default setting for boil intensity appears 6 Use the keypad to enter one of the settings from the table below Setting Power ON
14. Power OFF 0 100 0 9 90 10 8 80 20 7 70 30 6 60 40 5 5096 5096 4 40 60 3 30 70 2 20 80 1 10 90 7 Press the simmer switch to lock in the new settings and exit the programming mode The display will go blank 3 3 3 1 4 Controller Simmer Mode Adjustment NOTE The SMS III Controller simmer temperature is adjustable from 185 F to 215 F 85 to 102 C There are two versions of this controller one is adjusted by programming the other is manually adjusted To determine which version of the controller you have turn the controller off by pressing the ON OFF switch The display will go blank Press the Simmer right thermometer icon switch If Code appears in the display the simmer mode setpoint is changed via programming if not skip to Manual Adjustment below 1 Press 1 6 5 0 to enter the programming mode The currently programmed simmer setpoint will be displayed If the setpoint is not correct enter the desired setpoint for example press 2 0 0 to program the simmer setpoint to 200 Press the Simmer switch again to lock in the setpoint then press the ON OFF switch to turn the controller on and return to the normal operating mode Manual Adjustment 1 With the unit in the simmer mode place the tip of a good grade thermometer near the temperature probe and determine the actual water temperature in degrees Fahrenheit If the temperature is within 5 F 2 C of the desired simmer t
15. Regulator Valve to Solenoid Valve units with basket lifts only 910 8012 Tubing Solenoid Valve to Faucet units with basket lifts only 813 0507 Coupling 4 inch NPT Brass 810 0907 Compression Fitting inch NPT to Tubing 90 Elbow 900 2915 Bracket Pressure Regulator Valve used in double units 900 2917 Brace Water Inlet used in double units 900 7991 Bracket Pressure Regulator Valve units with basket lifts only 900 2916 Bracket Pressure Regulator Valve units without basket lifts only 900 1905 Bracket Solenoid Valve units without basket lifts only 809 0454 Nut 12 inch Conduit 813 0472 Nipple Lunch NPT x 2 5 inch 813 0471 Nipple Lunch NPT x 1 5 inch 813 0450 Nipple 14 inch NPT x 2 0 inch 813 0448 Elbow 90 810 1025 Compression Fitting NPT to Tubing Straight 813 0495 Tee 4 inch NPT Male Branch to inch NPT Female Ch tA 7 29 88 80508 HOLIMS WINS 266 266 QION310S H H9 HS Hv H9 HSH Hb ovt el AIAIAIAIAIATIAIATA v 3SVHd 3SVHd Ss I I 09 09 NOILISOd HOLIMS 1108 7 1 b i ani N I 202 29 1 YOLOVLNOD I I 1 19 CD js IH em IATATAIAIAIAIAIAI
16. Standoffs 6 Position the replacement element in the cookpot with the standoffs on the bottom of the cookpot Thread the element leads through the Teflon washers recovered from the failed element Secure the element in place with the nuts removed in Step 5 7 If the left element as viewed from the front of the cooker was replaced secure the high limit thermostat against the inside of the leg of the element with two metal wire ties 6 3 8 Insert the pins on the element leads into the element connector in accordance with the illustration below The insulation on the lead will be flush with the face of the plug when properly positioned When all leads are positioned correctly close the connector and verify that the tabs are locked in place Each element lead is marked with a number that corresponds to the hole in the connector into which it should be inserted The right element as viewed from the rear of the unit uses the 6 pin connector the left element uses holes 1 through 6 of the 9 pin connector Note D pin and pip indentifying Hole 1 Note D pin and rib indentifying Hole 1 9 Bundle all six element leads together and secure with plastic wire ties close to the element and connector and in the middle 10 Reverse Steps 1 through 3 to complete the procedure 6 3 4 Replacing the High Limit Thermostat 1 Drain the cookpot and disconnect the cooker from the electrical power supply Disconnect the unit from the wa
17. Verify that unit is connected to the water supply and that water supply is turned on Drain the water in the cookpot to a level below the upper water level sensor Place the master ON OFF switch in the ON position Press the computer ON OFF Switch Remove the water level sensor guard and thoroughly clean the sensors Did unit begin to fill No Check sensor and wiring If they are NOT grounded the computer has failed Replace Is voltage across Pins 2 and 6 of computer 15 pin connector zero Did unit begin to fill If they ARE grounded repair or replace as required Yes If 24VAC is NOT present across Pins 2 and 3 of the contactor box 15 pin connector check connections and wiring to solenoid valve If wiring and connections are intact the valve has failed Replace Yes Check resistance through Pins 2 and 9 of the computer 15 pin connector If it is less than 1 ohm the computer has failed Replace Did water shut off when water reached the upper water level sensor Is 24 present across Pins 2 and 6 of the computer 15 pin connector If itis 1 ohm or greater repair wiring between sensor and computer or replace sensor as required Yes Autofill system is OK 6 15 TROUBLESHOOTING THE WATER HEATING SYSTEM Each of the following checks is to be performed with the unit co
18. ground Resistance on BOTH should be 2 mega Ohms or greater Are BOTH readings within specification No Probe is open or is shorted Replace Probe is OK Is 24 on Pin 4 of the 15 pin connector on the IFB CHECKING THE THERMOSTAT Probable causes in order of probabilty are failed computer or on units with manual controls Yes Yes Ohm out elements Pins 1 amp 6 2 8 5 3 amp 4 If resistance is NOT 15 3 Ohms the element has failed Replace Set thermostat knob to OFF position Check resistance across terminals Resistance should be infinite Probable causes in order of probabilty are failed switch or contactor y Set thermostat to its highest setting Check resistance across terminals Resistance should be less than 1 ohm Thermostat is open or 4 is shorted Replace Are BOTH readings correct Yes Thermostat is OK 7 17 TROUBLESHOOTING THE BASKET LIFT SYSTEM If the basket lift motors are activating but the basket lift fails to raise or lower or if its movement is erratic the probable cause is jamming or binding of the basket lift rods Apply a light weight white NS grease such as Lubriplate to the rods If this does not correct the problem check for bent or otherwise damaged rods and links and for loose bellcranks
19. 5 briefly explain the functioning of each of the systems mentioned above Section 7 4 6 contains troubleshooting guides that provide systematic procedures to isolate and identify the specific source of a problem Wiring diagrams are located at the end of the chapter 7 4 1 How the Power Supply System Works Line voltage is supplied to the system via a power cord that is plugged or hard wired into the store s electrical service The power cord is attached to a three lug power terminal block One set of three wires delivers line voltage from the load side of the block to the line side of the contactor A second set of two wires delivers line voltage to the 24VAC transformer Line voltage for the heating element is delivered from the load side of the contactor through the 6 pin connector on the rear of the contactor box 24VAC for the remaining components is distributed to and from the contactor box via the 15 pin connector on the front of the box On units with basket lifts a separate set of two wires delivers line voltage from the terminal block to the basket lift 24 transformer From the transformer the 24V AC is delivered to the interface board via the 12 pin connector on the interface board Line voltage for one side of the basket lift motor circuits is delivered directly to the motors from the terminal block via the 15 pin connector on the front of the contactor box Line voltage for the other side of the basket lift motor circuits is suppli
20. 8 16 Hex 810 0220 Spacer Tubular 493 inch OD 809 0203 Washer 2 inch ID x OD Nylatron Flat Pkg of 10 809 0155 Screw 5 16 18 x inch Leveling 826 1370 Screw 4 20 x 1 4 inch Slotted Round Head Pkg of 10 809 0076 Nut 4 20 x 4 inch Expansion 920 6076 Link Basket Lift 810 0170 Pin 4 inch x Spring Dowel 810 0192 Rod 19 inch Basket Lift 807 0124 Bushing Heyco 809 0127 Screw 4 20 x inch Slotted Round Head 809 0719 Screw 10 x inch 41055 900 8063 Panel Upper Basket Lift Rear 900 7995 Panel Middle Basket Lift Rear 900 7419 Panel Lower Basket Lift Rear 7 21 CABINETRY a EN 2 gt d sy ee 2 a 7 22 PART Side Left or Right Cabinet 910 7377 Stainless Steel 900 7377 Cold Rolled Steel Painted 910 2914 Side Double Unit Inner Cabinet 900 5023 Back Cabinet 824 0633 Backsplash units without basket lifts 810 0044 Plug s inch used on units without basket lifts or faucets 823 2105 Backsplash used on units with basket lifts 910 8355 Cover Backsplash Top used on basket lift units without faucet 910 8060 Cover Backsplash Top used on basket lift units with faucet 910 8058 Restrictor Faucet Rotation used on basket lift units with faucet 900 1759 Bracket Pot Hold Down 900 4654 Brace Top 900 1552 Gusset Corner Brace 806 5
21. External 15 pin male connector with 6 leads 806 9309 Harness EWBS Computer 15 pin male connector with 7 leads 806 8808 Harness Contactor Box Internal 15 pin female connector with 6 leads 806 9308 Harness EWBS IFB to Components 12 pin male connector with 3 leads 106 0156 Harness Element to Contactor 6 pin female connector with 6 leads 806 8807 Harness Element to Contactor 9 pin female connector with 6 leads 806 9096 Harness ESW Interface Board 6 pin male connector with 6 leads 806 9305 Harness EWBS Basket Lift 5 pin male connector with 4 leads 806 9097 Harness ESW EWBS w o Basket Lift 4 pin male connector with 4 leads Not illustrated tA 7 27 WATER SUPPLY COMPONENTS 10 Ajayeuonsodojdsip SLNANOdIWOD GION3T1OS YOLV1INOAY a3snssaed dO jexseg Sur jexseg ejBurs SNOILV3f9I3NOO AlddNS TVOIdA L 7 28 810 1208 Valve Water Pressure Regulator 806 7551 Valve Assembly Solenoid 813 0513 Faucet Double Jointed with no cutoff valve 910 2513 Tubing Solenoid Valve to Cookpot 812 1292 Tubing Regulator Valve to Right Solenoid Valve used in double units 812 1293 Tubing Regulator Valve to Left Solenoid Valve used in double units 910 5149 Tubing Solenoid Valve to Faucet 910 8011 Tubing
22. LL SOLENOID on 27 V m m 57 3 1 Quy e e m ERA A SR 2R 18 GE INTERFACE BOARD Cie o 18 2R 38 5R 48 an CD qu 8 ay VI EP 15 3C BK 12 13 2R BLK FEMALE E COIL CONNECTORS sl 10 Al HEATING ELEMENT LEFT CONTACTOR BOX SCH BRN BRN 2 13 Jn L BLK 9 Z GN gt N BLUE GRN YEL 57 GRD BLUE BLK 8051449 6 31 THIS PAGE INTENTIONALLY LEFT BLANK ELECTRIC COOKER MODELS 17 17ECS ESW AND EWBS CHAPTER 7 ESW amp EWBS SERVICE PROCEDURES amp PARTS 7 1 Functional Description The ESW series was the predecessor to the EWBS series Both cookers are very similar in construction and function The cookers in the ESW series have rocker switch controls only These cookers were configured as single units or as batteries of two units The primary difference between the two configurations is in the piping of the Autofill water supply system and the lack of the basket lift and computer options on ESW units Cookers in the EWBS series may be configured with computer controls or with the rocker switch controls as used the ESW cookers E1 WBS models consist of a single cooker E2WBS models consist of two single units battered together All models feature a 16 5 gallon 62 5 liter stainless steel cookpot The wat
23. Leg Installation os phe tue 2 2 23 Pre Connection Preparations ss 2 2 2 4 Connection to the Electrical Power Supply ss 2 3 CHAPTER 3 Operating Instructions 3 1 Spaghetti Magic II Controller As Used on 17EC and 17ECS Units 3 1 3 2 Computer Magic III Controller As Used on EWBS Units 3 3 3 3 Thermostat Control and Switch Panel As Used on ESW and EWBS Units 3 8 3 4 Boiling Out Cookpot F C O a a 3 9 CHAPTER 4 Preventive Maintenance Daily Preventive Maintenance LL 4 1 CHAPTER 5 Operator Troubleshooting 5 1 Introduction 2 2222 0004114 222 5 1 52 Operator Troubleshooting Guide 5 2 5 3 Replacing the Controller 17EC 17ECS EWBS with CM III Computer 5 3 54 Replacing Fuses in 17EC and 17ECS Models 5 4 CHAPTER 6 17EC 17ECS Service Procedures amp Parts 6 1 6 1 6 2 Accessing Equipment for Servicing e Pat 6 2 6 3 Replacing Equipment Components a 6 2 6 3 1 Replacing the Computer eb equ 6 2 6 3 2 Replacing Electronic Components Other than the Computer 6 2 633 Replacing a Heating Element GRE erp x ores 6 3 6 3 4 Replacing the High Limit Thermostat teta
24. Power Switches Temperature Check Program Lock Program Mode Switch Boil Mode Switch Product Buttons 1 through 5 Product Buttons 6 through 10 Simmer Mode Switch 02 sN CAUTION The Computer Magic CM III computer used Electric Water Bath Systems is specially configured for them The programming and operation of the are different than those of the CM computers used in electric fryers The two computers are not interchangeable 3 2 1 Start Up Procedure N CAUTION If this is the first time the unit is being used after installation refer to Section 3 4 Out Procedure SETTING THE UNIT UP FOR FIRST TIME OPERATION Before turning the cooker on ensure that the unit is connected to the water supply the water supply is turned on the unit is plugged into an appropriate outlet the electrical power supply is turned on CAUTION It is recommended that the simmer setpoint and the cook stir times for a 10 products be programmed before the unit is first used in a cooking cycle When the unit is tested at the factory the simmer setpoint and product cook times are programmed These fest settings are not default settings You must program the unit for your own particular products Program the setpoint and all 10 product cook stir times as follows l 2 Turn the computer on by pressing the Power Switc
25. cookpot and disconnect the cooker from the electrical power supply Disconnect the unit from the water supply at the rear of the cooker Remove the basket lift arms from the unit 2 Reposition the cooker to allow clear access to the rear of the unit Remove the cabinet back on units with basket lifts remove all three back panels 3 Unplug the 6 pin element connector from the rear of the contactor box Depress the locking tabs on each side of the connector and extend it to release the element leads see photo at right Pull each of the leads out of the connector being careful not to damage the connector in the process 4 If the bundle of element leads is enclosed in a fiberglass insulating sheath cut the wire ties securing the sheath in place and remove and discard it it is no longer required Inside the cookpot cut the metal wire ties that secure the high limit thermostat to the element being careful not to bend the thermostat in the process 5 Remove the brass nuts that secure the element in the cookpot and lift the failed element from the cookpot Recover the Teflon washers from the failed element for use on the replacement Remove these nuts to dismount element from cookpot 6 Position the replacement element in the cookpot with the standoffs on the bottom of the cookpot Thread the element leads through the Teflon washers recovered from the failed element Secure the element in place with the nuts removed in Step 5
26. eRe Te To To Ro Te To To Re Ke ToT Ree 7 26 807 0680 Transformer 208 240 24 50 60Hz 43VA 809 0112 Screw 8 32 x 1 inch Slotted Truss Head 809 0247 Nut 8 32 Hex Keps 807 0979 Transformer 208 240VAC 12V AC 50 60Hz 20VA for Basket Lift 809 0104 Screw 8 32 x inch Slotted Hex Washer Head 809 0050 Nut 8 32 Hex 810 1202 Contactor 3 pole 600V 40 Amp 807 2465 Power Block 807 0070 Terminal Ground Lug 807 2136 Connector 6 pin High Amp Female 2 x 3 807 0875 Connector 15 pin Female 3 x 5 900 5000 Back Contactor Box 900 5001 Contactor Box 900 5027 Brace Contactor Box Front 900 5028 Brace Contactor Box Rear 900 0289 Bracket Contactor Box used with Moisture Shield Item 27 Page 22 809 0360 Screw 8 32 x inch Slotted Hex Washer Head Drill Point 809 0434 Screw 8 32 x Hex Washer Head Machine 900 5150 Cover Contactor Box 807 0804 Connector 15 pin Male 3 x 5 807 0160 Connector 12 pin Male x 4 807 0159 Connector 12 pin Female 3 x 4 807 2137 Connector 9 pin Male 3 x 3 807 2138 Connector 9 pin Female 3 x 3 807 2135 Connector 6 pin High Amp Male 2 x 3 807 0184 Connector 6 pin Male 1 x 6 807 3075 Connector 5 pin Male 1 x 5 807 2078 Connector 4 pin Male 1 x 4 806 9299 Harness Contactor Box Internal 15 pin female connector with 10 leads 806 9095 Harness Contactor Box
27. fuse see Section 5 4 17ECS models only B Roller jammed Adjust roller Check for free movement Lubricate with white grease Replace controller see Section 5 3 E Loose or misadjusted E Check switch adjustment Adjust microswitch as required 5 3 Replacing the Controller 17EC 17ECS EWBS with III Computer 1 Disconnect the cooker from the electrical supply 2 Remove the two screws in the upper corners of the control panel and swing the panel open from the top allowing to rest on 115 hinge tabs 3 Disconnect the wiring harness from the back of the controller 4 Disconnect the ground wire from the controller Remove the controller by lifting it from the hinge slots in the frame 5 Reverse the procedure to install a new controller Wiring Harness Connection 5 3 54 Replacing Fuses 17EC 17ECS Models 1 Disconnect unit from electrical power and remove the cover from the contactor box 2 The 5 amp fuses are located on the left side of the box The fuse for the controller is located nearest the front of the box Use a fuse puller to remove the blown fuse and install the replacement This fuse is for the controller Remove this screw lift the cover from the contactor box 3 Replace the component box cover and reconnect the unit to the electrical power supply 5 4 ELECTRIC COOKER MODELS 17 17ECS ESW AND EWBS CHAPTER 6 17EC 17ECS
28. is voltage across the input terminals of the relay 5 10VDC with no voltage across the output terminals Relay has failed Replace Computer is 4 Is 27 33VDC present at Pin 4 of the 15 pin plug when computer is calling for heat Solid state relays are OK Ohm out elements Pins 1 amp 6 2 amp 5 3 amp 4 If resistance is NOT 15 3 Ohms the element has failed Replace Computer has failed Replace 6 16 TROUBLESHOOTING THE BASKET LIFT SYSTEM If the basket lift motors are activating but the basket lift fails to raise or lower or if its movement is erratic the TROUBLESHOOTING probable cause is jamming or binding of the basket lift THE rods Apply a light weight white grease such as Lubriplate to the rods If this does not correct the problem check for bent or otherwise damaged rods and links and for loose bellcranks Is 5 Amp fuse in the component box OK No Replace fuse Yes With the basket lift in the UP position is 27 33VDC present at Pin 10 of 15 pin plug 0 volts if in DOWN position Computer has failed Replace Yes With the basket lift in the UP position is 27 33VDC present at relay terminal A 0 volts if in DOWN position Cause is failed loose wiring Inspect and repair wiring as required With the basket lift in the UP position is line
29. is placed in the ON position When it energizes contact is made between the incoming line voltage and the element leads and line voltage 15 supplied to one side of the element circuit The solid state relays control the supply of line voltage to the other side of the element circuit The relays are closed when the computer is calling for heat and open when it IS not The element is a resistive heating device That is when voltage is applied to the element the element gets very hot due to its resistance to current flow through it The heat generated is transferred directly to the water in which the element is immersed The computer is the interface between the operator and the other components of the equipment In the water heating system its function is to control the application of line voltage to the heating element via the solid state relays When in the Simmer Mode the signal from the computer is continuous the solid state relays are continuously closed and line voltage is applied to the elements until the simmer setpoint 195 F 90 6 C is reached When in the Boil Mode the signal from the computer is continuous for approximately the first 40 seconds then changes to a series of on off pulses of equal duration The solid state relays close and open in response to the signal from the computer and line voltage is applied to the elements accordingly The pulsing of the line voltage to the elements prevents the water in the cookpot from
30. level sensor the interface board signals the contactor coil to close energizing the heating element If the switch is placed in the SIMMER position the interface board closes or opens the contactor coil and thus energizes or de energizes the element to maintain the water in the cookpot at the temperature set with the thermostat knob If the switch is placed in the BOIL mode the element remains energized until the switch is placed in the IDLE or the SIMMER mode If the switch is placed in the IDLE mode power is supplied to all components of the unit except the heating element The Autofill feature the faucet switch and the skim switch are functional anytime the power switch is in the ON position regardless of the position of the heat cycle switch 7 1 NOTE The cooker has high limit safety If the water in the cookpot falls below the low water level sensor but the sensor remains grounded for whatever reason thereby allowing the element to continue to heat the high limit switch will open when the element temperature reaches 400 15 F This cuts off power to the element Units with Computer Controls When the computer POWER switch is pressed a logic circuit in the computer checks the water level in the cookpot A normally closed solenoid valve on the water supply line automatically opens if the upper water level sensor is not grounded by contact with water in the cookpot Water will continue to be added until the upper water level sen
31. of the control panel and open the panel by swinging it downward On units with manual thermostat controls a Disconnect the water level sensor leads at the cookpot terminals Disconnect all wiring from the control panel switches and light and then remove the control panel from the unit b Unplug the 4 and 6 pin connectors from the interface board Disconnect all wiring from the terminal block mounted next to the interface board c Remove the interface board bracket from the unit d Remove the temperature probe from the cookpot in accordance with Steps 4 through 6 of Section 7 3 6 Units with Manual Thermostat Controls e Remove the thermostat mounting bracket with thermostat attached On units with computer controls a Disconnect the water level sensor leads at the cookpot terminals Disconnect all wiring to the Skim switch and to the Faucet switch if present Unplug the 15 pin connector from the rear of the computer and then remove the control panel from the unit 7 10 b Unplug the 5 and 12 pin connectors from the interface board Do not disconnect the water level sensor leads from the interface board Remove the interface board bracket from the unit d Using a pin pusher push out the temperature probe leads from holes 6 and 8 on the 12 pin connector e 4 Disconnect the Autofill water supply piping at the cookpot compression fitting 5 Remove the screws that secure the topcap to the cabinet and remove th
32. on the door of the unit 6 2 5 Replace the component box covers being sure to reconnect the ground wire Reconnect the cooker to the electrical power supply 6 3 3 Replacing a Heating Element 1 Drain the cookpot and disconnect the cooker from the electrical power supply Disconnect the unit from the water supply at the rear of the cooker Remove the basket lift arms from the unit 2 Reposition the cooker to allow clear access to the rear of the unit Remove the upper and lower basket lift panels 3 Unplug the element connector from the rear of the component box Depress the locking tabs on each side of the connector and extend the connector to release the element leads see photo at right Pull each of the leads out of the connector being careful not to damage the connector in the process 4 If the bundle of element leads is enclosed in a fiberglass insulating sheath cut the wire ties securing the sheath in place and remove and discard it it is no longer required If replacing the left element as viewed from the front of the cooker cut the metal wire ties that secure the high limit thermostat to the element being careful not to bend the thermostat in the process 5 Remove the brass nuts that secure the element in the cookpot and lift the failed element from the cookpot Recover the Teflon washers from the failed element for use on the replacement Remove these nuts to remove element from cookpot
33. position it under the lower portion of the retaining bracket 7 6 6 Carefully work any slack in the capillary tube back out of the hole in the cookpot Apply thread sealer to the threads of the replacement temperature probe fitting and screw the fitting into the cookpot When the fitting is tight verify that all slack in the capillary has been worked back out of the cookpot and that the bulb is correctly positioned under the lower portion of the retaining bracket Then and only then tighten the small nut in the center of the fitting NOTE Tightening the small nut crimps the internal compression fitting onto the capillary and prevents any further movement of the capillary through the large fitting Tighten the small compression nut last Tighten the large fitting before tightening the small compression nut Position the thermostat body in the mounting bracket with the terminals to the left and reinstall the two screws removed in Step 3 Reinstall the thermostat knob Reconnect rocker switch wires 20C and 35C to the lower terminal of the thermostat body reconnect wire 15C to the top terminal Reinstall the probe cover to complete the procedure Attach wire15C here Units with Computer Controls l 2 Drain the cookpot and disconnect the cooker from the electrical power supply Remove the screws from the upper corners of the control panel and open the panel by allowing it to swing downward Disconnect the 12 p
34. reaching a vigorous roiling boil This in turn minimizes the formation of starch foam An added benefit of the pulsing is reduced electrical power consumption 6 4 5 How the Basket Lift System Works When the Start switch is pressed to start the cooking cycle logic circuits in the computer activate the basket lift motors lowering the basket into the cookpot As the motors drive the basket lift arms down a cam attached to the left motor eventually loses contact with a roller activated microswitch and power to the motors is cut When the computer times out logic circuits reverse the switch positions so that the motor circuit is again completed and the motors are restarted raising the basket from the cookpot At the fully raised position the cam again makes contact with the microswitch cutting power to the motors and stopping the lift in the up position 6 12 6 4 6 Technician Troubleshooting Guides TROUBLESHOOTING THE 24VAC POWER SUPPLY SYSTEM s The primary indicator of a electrical service and that problem with the 24VAC Power Supply System is a failure of the computer to activate when the master ON OFF switch is placed in the ON position and the Place the master ON OFF switch in the ON computer ON OFF switch position is pressed Was there an audible snap from the contactor indicating the coil energized 24VAC Power Supply Yes System is OK
35. use a process of elimination starting with the simplest solution and working through to the most complex Never overlook the obvious Anyone can forget to plug a cord into a receptacle or open the valve on the water supply line Don t assume that you are exempt from such occurrences Most importantly try to establish a clear idea of why a problem has occurred Part of your corrective action involves taking steps to ensure that it doesn t happen again Keep in mind that failure of a small component may often be indicative of potential failure or incorrect functioning of a more important component or system Some of the troubleshooting actions recommended in this chapter involve removing suspect controllers and substituting controllers that are known to be good if they are available Whenever this is indicated refer to Section 5 3 Refer to Section 5 4 for instructions on replacing fuses in 17EC and 17ECS models If the troubleshooting and corrective actions in this chapter do not solve the problem the problem is probably beyond the scope of most operators to solve and you should call your FASC for assistance If you have doubts as to the proper action to take do not hesitate to call the Frymaster Technical Service Department or your local Frymaster Factory Authorized Service Center for assistance Before calling a servicer or the Frymaster HOTLINE 1 800 551 8633 Verify that electrical cords are plugged in and that circuit breakers are on
36. voltage present at the NC lower terminal of the microswitch middle terminal if in DOWN position Relay has failed Replace Yes With the basket lift in the same position as for the previous check is line voltage present at the Common terminal of the switch Switch has failed Replace Motor has failed Replace 6 17 THIS PAGE INTENTIONALLY LEFT BLANK 6 5 Parts List ACCESSORIES PART Z COMPONENT 823 2939 Cooking Basket 823 2936 Starch Diverter 803 0268 Basket Support Rack 210 5068 Insert 910 7540 Cookpot Rinse Tank Top Connecting Strip 823 2938 Rinse Basket 826 0900 Chain Restraint Kit 826 1117 Caster without Brake 5 Inch includes mounting hardware 826 1118 Caster with Brake 5 Inch includes mounting hardware ON tA 6 19 BASKET LIFT COMPONENTS MW WM M De Al 4 9 823 2007 Arms Basket Lift 910 7420 Top Basket Lift Enclosure 911 7417 Side Basket Lift Enclosure Right 912 7417 Side Basket Lift Enclosure Left 900 7421 Support Basket Lift Rod Bushing 826 1363 Screw 8 32 x 5 inch Slotted Truss Head Pkg of 25 902 1927 Bracket Left Basket Lift Roller 901 1927 Bracket
37. water temperature just below boiling approximately 195 F 90 6 C which conserves energy and water This feature is designed for rethermalizing previously cooked packaged products and for keeping the cooker in standby The SKIM feature when selected adds water for approximately 3 seconds once a minute It causes the water to overflow into the drain carrying floating starch with it A buildup of starch reduces the efficiency of the cooker and can cause erroneous temperature and water level sensing 3 1 LOW WATER SENSING automatically de energizes the heating element if the water the cookpot drops too low When the water level in the cookpot is below the sensor probes such as when draining and cleaning the cookpot the controller display will read LO NORMAL WATER LEVEL SENSING on units configured with the AutoFil feature automatically adds water during or after a cooking cycle if the water level is low With this automatic filling feature the water level does not have to be continuously monitored The cookpot always has the correct amount of water 3 1 2 Operating Instructions CAUTION If this is the first time the unit is being used after installation refer to Section 3 4 Out Procedure Before turning the cooker on ensure that e theunit is connected to the water supply e the water supply is turned on e theunit is plugged into an appropriate outlet e the electrical power supply is turned
38. 260 Frame Control Panel 910 7541 Topcap 823 2351 Topcap Plate Width used on double units only 900 2762 Support Plate Width Topcap 809 0266 Screw 10 x 5 inch Phillips Truss Head door panel and handle screw 810 1402 Handle Wire Form Door 806 3853 Door Assembly Left or Right does not include handle or hinges 806 4487 Door Pin Assembly 810 1508 Hinge Universal Door 826 1343 Spring Door Hinge Pkg of 10 810 1105 Magnet Door 806 5209 Leg Pad Assembly 900 7528 Channel Left or Right Side Base 900 4655 Channel Front or Rear Base 826 1374 Screw 10 x 4 inch Washer Hex Head Pkg of 25 900 8273 Moisture Shield 816 0091 Grommet 114 Drain 900 4645 Shield Heat 910 5137 Plate Battering 4 7 inch x 1 2 inch with 4 holes 910 3122 Plate 10 inch x 1 2 inch with 6 holes 910 0404 Plate Battering 2 inch x 2 inch with 4 holes 910 4831 Bracket Basket Lift Roller 809 0127 Screw 4 20 x 4 inch Slotted Round Head for mounting Item 33 809 0508 Bolt 4 20 x 1 4 inch Hex Head 810 0374 Spacer Basket Lift Roller Tubular 810 0194 Roller Basket Lift 809 0190 Washer 14 inch SS Flat 809 0047 Nut 4 20 Hex Head 810 2229 Hanger Basket replaced extruded aluminum hanger 803 0028 which is no longer available 809 0171 Thumbscrew Basket Hanger 826 1351 Retainer 14 20 Nut Nutsert Pkg of 10 Not illustrated 7 23 CONTROL COMPONENTS
39. 5 Cover Contactor Box Front 200 0001 Bracket Connector 807 0804 Connector 15 pin Male 807 0875 Connector 15 pin Female Panel Mount 807 2135 Connector 6 pin High Amp Male 807 2136 Connector 6 pin High Amp Female 807 2137 Connector 9 pin High Amp Male 807 2138 Connector 9 pin High Amp Female 806 3660 Sound Device High Output 106 0144 Harness Computer to Contactor Box 15 pin Wiring 106 0158 Harness Contactor Box Internal 15 pin Wiring 106 0157 Harness Element to Contactor 9 pin Wiring 106 0156 Harness Element to Contactor 6 pin Wiring 106 0159 Harness Basket Lift Relay 6 pin Wiring 106 0160 Harness Basket Lift to Contactor Box 6 pin Wiring Not illustrated 6 27 WATER SUPPLY SYSTEM COMPONENTS ITEM PART COMPONENT 810 0907 Elbow s inch NPT Compression 910 2513 Tubing Solenoid Valve to Cookpot s inch Stainless Steel 806 5565 Valve Assembly 24V AC 60Hz Solenoid 813 0302 Elbow Tube to 4 inch NPT 90 Brass Male 813 0472 Nipple 14 inch NPT x 2 5 inch Brass 900 1905 Mount Solenoid Valve 813 0022 Nipple 2 inch NPT x Close 809 0454 Nut 12 inch Conduit 810 1208 Valve Pressure Regulator 900 1898 Tube 34 inch Water Line 813 0449 Tee 14 inch NPT Brass 813 0448 Elbow 4 inch NPT 90 Brass 813 0473 Nipple NPT x 4 inch Brass 813 0412 Faucet Double Jointed Pantry 826 1132 Kit Faucet Repair contains two valve as
40. AIAIAIAIAIATIAI 5142 210222 ER EA 2 ER ER ER ER LA INIATATAIAIAIAIAIAIAIAALALAIA ______ osz otv 286 HOLIMS H3MOd 0 iagrams Units with Manual Thermostat Controls a o da S Ke E d SNI3IAA 97313 LO3dSNI N z 4 OL H3AOO 8 SAOWSY 1381 1 SEA TESTEM ae cen desta GENEE ONILVY SYNLVYSAdWAL 0892 Q109 IVNOLLdO 9 DMV ASN 7 30 96101908 ee te ee a SONIA HO 1N3NIA313 S IOH LNOO HOLIMS INDIS HOLOVINOO 0 HOLOVINOO 5 L 96 EIEIESEREREALE CR Ls LAIATAIATALIALALAIAI v 991 L SN 9 Ost HOLIMS 1311 1358 l1H9lH HOLIMS 131 1358 1331 W3lndWoo OL 318VO 06 98r 98 ER La PSA ER B 71 LOOL LOOL mas E 4417 13 5 TVNOLLdO 13 5 TVNOLLdO MA CC Seet oo do ei AN osz oz 13431 N T3A31 IH 962 dWAL i
41. C CSS OPIS ga a a EE 6 19 Basket Lift Components 6 20 oa M EON RENE 6 22 Cookpot Rinse Tank and Drain Components 6 24 Electronics ee 6 26 Water Supply System Components a 6 28 6 6 Winne Diagram a dust 6 29 CHAPTER 7 ESW EWBS Service Procedures amp Parts 7 1 Functional Description eed cases ier e rr mese eben ecol eh i s 7 1 7 2 Accessing Equipment for Servicing 7 3 7 3 Replacing Equipment Components n n 7 3 73 1 Replacing the ada RN aS 7 3 7 3 2 Replacing Electronic Components Other than the Computer 7 3 7 3 3 Replacing a Heating dee 7 4 7 3 4 Replacing the High Limit 7 5 73 5 Replacing Water Level Sensor 7 6 7 3 6 Replacing the Temperature Probe idea 7 6 7 3 7 Replacing the Pressure Regulator or Solenoid Valve 7 8 7 3 8 Replacing th
42. I computer controls the cooking process and the automatic filling Autofill and automatic skimming Autoskim features The Autoskim feature sprays water onto the surface of the water forcing starch across to the overflow drain This eliminates loss of cooking time associated with removing excess starch buildup It also keeps the cooking water at the optimum level by replacing water evaporated during the cooking process These models are also equipped with automatic basket lifts The cookpot is safeguarded against over filling and boilover by a large overflow drain and a starch diverter SD following the model designation indicates a stainless steel cookpot and door and an enameled cabinet SC following the model designation indicates all stainless steel components The 17ECS model consists of a cooker and rinse tank combined in a single cabinet The 17EC model has no rinse tank Both models have a manually operated faucet equipped with a flexible hose ESW The ESW series features a 13 kilowatt cookpot holding 16 5 gallons 62 5 liters of water A rocker type ON OFF switch controls electrical power to the unit A manually adjusted thermostat regulates water temperature and a 3 position rocker switch BOIL IDLE SIMMER controls power to the heating element The unit also has two rocker switches for adding water to the unit The FAUCET switch opens a normally closed solenoid valve to add water through a swing away faucet The SKIM switch opens
43. ROM FROM TRANSFORMER SR NSFORMER FROM TRANSFORMER _________________________ TRANSFORMER 3 PHASE WIRE DELTA 3 PHASE 4 WIRE WYE FIELD CONNECTION FIELD CONNECTION FROM TRANSFORMER FROM TRANSFORMER FROM TRANSFORMER 2 4 ELECTRIC COOKER MODELS 17 17 5 ESW AND EWBS CHAPTER 3 OPERATING INSTRUCTIONS 3 1 Spaghetti Magic Controller As Used 17 and 17ECS Units 11121314105 16 71819100 STATE 2 Skim Switch w Autoskim only Timer Start Switch Simmer Mode Switch Simmer Mode Indicator Numeric Keypad Boil Mode Indicator Boil Mode Switch Power Switch LED Display oc0o 1 i 65 59 3 1 1 Introduction CAUTION The Spaghetti Magic III SMS computer used in 17EC 17ECS units is specially configured for them The programming and operation of the 17EC 17ECS SMS III computer are different than those of the SMS Ill computers used in other products The computers are not interchangeable The Spaghetti Magic III computer allows the operator to specify a specific cook time in minutes and seconds then initiate a cooking cycle The computer is configured for both automatic filling AutoFill and automatic skimming Autoskim features The BOIL mode is used when actually cooking pasta The SIMMER mode feature maintains the
44. Right Basket Lift Roller 809 0247 Nut 8 32 Hex Keps 809 0508 Bolt 4 20 x 1 4 inch Hex Head SS 810 0194 Roller Basket Lift 809 0047 Nut 4 20 SS 809 0082 Ring Truarc 810 0045 Bushing Basket Lift Rod 807 0108 Motor 240V AC Basket Lift 900 7416 Mount Basket Lift Motor 809 0113 Screw 8 32 1 inch Slotted Truss Head 809 0050 Nut 8 32 Hex 812 0138 Insulation Motor Mount Fishpaper 807 0240 Microswitch 809 0097 Screw 6 32 x l inch Slotted Truss Head 826 1358 Nut 6 32 Hex Pkg of 25 810 0052 Cam Bellcrank Basket Lift 809 0194 Washer 5 16 inch SAE Flat 809 0196 Washer SAE Flat 809 0063 Nut Jam 3 8 16 Hex 826 1381 Washer 2 inch ID x OD Nylatron Flat Pkg of 10 910 4525 Bar Link Basket Lift Synchronizing 809 0155 Screw 5 16 18 x inch Leveling 826 1370 Screw 4 20 x 4 inch Slotted Round Head Pkg of 10 809 0076 Nut 4 20 x 4 inch Expansion 920 6076 Link Basket Lift 810 0170 Pin 14 inch x Spring Dowel 810 0192 Rod 19 inch Basket Lift 809 0127 Screw 4 20 x inch Slotted Round Head 809 0719 Screw 10 x inch 41055 900 7418 Panel Upper Basket Lift Rear 900 7419 Panel Lower Basket Lift Rear 807 0124 Bushing Heyco 810 0220 Spacer Tubular 493 inch OD 6 21 CABINETRY 210 0815 Channel Front or Rear Base 806 5209 Leg P
45. SERVICE PROCEDURES 4 PARTS 6 1 Functional Description The 17EC Electric Cooker contains a 16 5 gallon 62 5 liter stainless steel cookpot The water in the cookpot 15 heated by a pair of 8 5 kilowatt heating elements Electrical power to the elements 15 controlled by a solid state SMS III Spaghetti Magic computer specifically modified for this application NOTE The SMS III computer used in the 17EC is identical in appearance to the SMS III computers used in other model lines but differs internally Use only P N 106 0385 SMS III computers on this equipment The 17EC 15 equipped with a basket lift and also features automatic filling AutoFill and automatic skimming AutoSkim This model also has a swing away jointed faucet The 17ECS model has an attached 16 5 gallon 84 1 liter rinse tank Turn the Master Power Switch ON and press the computer Power switch A logic circuit checks the water level by looking for a ground at the upper water level sensor A normally closed solenoid valve opens if no ground is seen indicating water is below the sensor and water enters the cookpot The unit enters the Simmer mode when the heating elements are covered indicated by grounding of the low water sensor The cookpot continues to fill until water reaches the upper water level sensor and the solenoid closes The cooker stays in Simmer mode until the Boil mode switch is pressed or the unit is turned off The water solenoid valve opens anytime the water leve
46. Verify that water supply valves are open and that drain valves are fully closed A DANGER Hot water can cause severe burns Never attempt to move a cooker containing hot water or to transfer hot water from one container to another DANGER Use extreme care when performing electrical circuit tests Live circuits will be exposed WARNING Inspection testing and repair of electrical components should be performed only by qualified service personnel The equipment should be unplugged when servicing except when electrical tests are required 5 5 2 Operator Troubleshooting Guide PROBLEM PROBABLE CAUSES CORRECTIVE ACTION A No power to unit B Master Power switch in OFF position 17EC and Controller does not activate 17ECS models only D Blown fuse 17EC and 17ECS models only C Controller not turned on A Turn on circuit breaker Place Master Power switch in ON position Push power switch D Replace fuse see Section 5 4 Astatilldoesnot add A Water not turned on water B Defective controller A Turn water on B Replace controller see Section 5 3 A Dirty upper water level sensor Autofill does not shut off when the cookpot Is full B Insufficient mineral content In water C Defective controller A Clean sensor Add baking soda to cookpot C Replace controller see Section 5 3 A Dirty l
47. WER REQUIREMENTS chart at the bottom of this page If the unit is not equipped with an installed power cord open the door and remove the contactor box cover Position the unit to gain access to the rear and remove the lower back panel Insert an appropriately rated power cord into the rear of the contactor box and make connections in accordance with the applicable wiring diagram on the following page Install a strain relief on the power cord and replace the lower back panel and contactor box cover Attach a plug that complies with national and or applicable local codes to the free end of the electrical power cord and plug the unit into an appropriate outlet POWER REQUIREMENTS Use copper wire ONLY suitable for at least 170 F 75 C ELECTRIC COOKER MODELS 17EC 17ECS ESW amp EWBS Amps Minimum Volts Phase Watts per leg Wire Size 200 Single 7860 40 AWG 6 4 1 mm 200 Single 12000 60 AWG 4 5 2 mm 208 Single 8500 41 AWG 6 4 1 mm 208 Single 13000 63 AWG 4 5 2 mm 208 3P Delta 8500 48 AWG 8 3 3 mm 200 3P Delta 12000 25 AWG 6 4 1 mm 208 Delta 13000 37 AWG 6 4 1 mm 230 3P Delta 13000 33 AWG 6 4 1 mm 200 Wye 12000 21 AWG 8 3 3 mm 230 Wye 13000 19 AWG 8 3 3 mm 2 3 FIELD CONNECTION WIRING DIAGRAMS SINGLE PHASE SINGLE PHASE NO NEUTRAL FIELD CONNECTION FIELD CONNECTION F
48. Y SYSTEM CONFIGURATIONS Double Unit without Single Unit without Single Unit with Basket Lifts Basket Lifts Basket Lifts 3 Ifreplacing a regulator adjust the replacement regulator output pressure to not more than 40 PSI 28 15 kg cm before installation in the cooker 4 Recover the fittings from the failed component regulator or solenoid valve and install them on the replacement using thread sealer on all connections 5 Reverse Steps and 2 to complete the procedure being sure to apply thread sealer to all connections 7 8 7 38 Replacing the Water Faucet Drain the cookpot and disconnect the cooker from the electrical power supply Turn off the water supply to the cooker and disconnect the incoming faucet water line where it attaches to the pipe nipple at the pressure regulator Reposition the cooker to gain clear access to the rear of the cooker Remove the cabinet back or if the unit is equipped with basket lifts remove the upper rear panel Disconnect the water supply line at the compression fitting where it attaches to the faucet assembly Remove the large nut to dismount the faucet assembly from the cabinet Remove this nut to dismount faucet assembly from cabinet L Loosen this nut to separate water line from faucet assembly 5 Reverse Steps 1 4 to complete the procedure 7 3 9 Replacing a Basket Lift Motor or Microswitch l Disconnect the cooker from the electrical power supply disconne
49. a normally closed solenoid valve to add water through a spray nozzle mounted on the front of the cookpot The skim feature sprays water onto the surface of the water forcing starch to the overflow drain This eliminates loss of cooking time associated with removing excess starch buildup The cookpot is safeguarded against over filling and boilover by a large overflow drain SD following the model designation indicates a stainless steel cookpot and door and an enameled cabinet SC following the model designation indicates all stainless steel components EWBS The EWBS series replaced the ESW series Models feature a 13 kilowatt heating element in a 16 5 gallon 62 5 liter cookpot The control options available include an operating thermostat and switch panel identical to that on the ESW described on the 1 2 previous page or a specially modified CM III computer The equipment may be configured as single cooker EIWBS or as a battery of two cookers E2WBS SD following the model designation indicates a stainless steel cookpot and door and an enameled cabinet SC following the model designation indicates all stainless steel components Optional features include automatic water filling and a manual skim feature Standard safety features on both models include a low water safety shutoff and a water pressure regulator units may be configured with either a Sauce Package consisting of saucepan insert rack sau
50. a vacuum breaker or means of providing an air gap 1 2 54 cm above the cookpot rim NOTE On units equipped with water hoses the hoses come with a quick disconnect cou pling The quick disconnect may be attached to the unit or to the water supply line or it may be left off entirely whichever you prefer If the unit is to be moved frequently for cleaning or preventive maintenance Frymaster recommends installing flexible water lines If the cooker is hard plumbed then moved the connections may loosen and eventually cause leaks 2 2 Whichever option is chosen Teflon thread seal tape LoctiteYM PST56765 or equivalent thread sealer must be used when installing the fittings NOTE Depending on specific model ordered either hot or cold water or both may be connected to the unit If available connecting hot water will minimize the time required to bring the unit to a boil when filling with fresh water NOTE order for the water level sensors to work properly a certain amount of mineral content in necessary in the water For that reason purified deionized or highly filtered water should not be used 5 Connect the desired drain plumbing to the drain valve 2 4 Connecting to the Electrical Supply l A DANGER This unit must be connected to the voltage and phase specified on the rating and serial number plate located on the inside of the equipment door To determine the appropriate wire size refer to the PO
51. act with the microswitch at the raised position cutting power to the motors and stopping the lift in the up position 6 1 6 2 Accessing Equipment for Servicing A DANGER Moving this equipment while it is filled with hot water may cause spilling or splattering of the hot water Always drain the cookpot before attempting to relocate this equipment for servicing 1 Disconnect the unit from the electrical power supply and from the water supply 2 Remove any attached restraining devices 3 Relocate the unit for service accessibility 4 After servicing is complete reconnect the unit to the water supply reattach restraining devices and reconnect the unit to the electrical power supply 6 3 Replacing Equipment Components 6 3 4 Replacing the Computer See Section 5 3 6 3 2 Replacing Electronic Components Other than the Computer 1 Drain the cookpot and disconnect the cooker from the electrical power supply 2 Remove the covers from the component box Refer to the illustration below to locate the component to be replaced Solid State Relays Delta Power Block Fuse Blocks and Fuses Master Power Switch Transformer Contactor Block Basket Lift Relay 3 Onthe component to be replaced make a note of the wiring connection points 4 Disconnect the wires and remove the failed component Install the replacement component and reconnect the wiring in accordance with the notes made in Step 3 or with the wiring diagram
52. ad Assembly on bottom of Item 1 for mounting casters 210 0816 Channel Side Base 900 7198 Post Door 900 1552 Gusset Corner Brace 900 7389 Brace Top Rear 900 7390 Brace Top Front 900 7391 Divider Cabinet Side Left or Right Cabinet 910 7377 Stainless Steel 900 7377 Cold Rolled Steel Painted 900 7422 Back Cabinet 826 1374 Screw 10 x inch Hex Washer Head large cabinet screw Pkg of 25 900 1750 Panel Plumbing Access 826 1371 Screw 8 x inch Hex Head access panel screw 900 4645 Shield Heat 210 0007 Backsplash 210 0215 Plate Faucet Mounting 809 0740 Screw 10 x 5 inch Phillips Truss Head faucet plate and topcap screw 810 1838 Rod Basket Pivot 809 0200 Washer 5 inch Flat 809 0063 Nut 16 Jam 824 0801 Topcap 806 5487 Frame Control Panel 823 2946 Panel Control 806 9744 Door Assembly Left or Right does not include handle or hinges 810 1402 Handle Wire Form Door 809 0266 Screw 10 x inch Phillips Truss Head door panel and handle screw 810 1508 Hinge Universal Door 210 0817 Shield Left Moisture 210 0818 Shield Right Moisture 910 4831 Bracket Basket Lift Roller 809 0508 Bolt 4 20 x 1 4 inch Hex Head 810 0374 Spacer Basket Lift Roller Tubular 810 0194 Roller Basket Lift 809 0190 Washer 4 inch SS Flat 809 0047 Nut 4 20 Hex Head 809 0127 Screw 4 20 x inch Slotted Round Head 803 0028 Hanger Basket for wire form hang
53. al codes QUALIFIED SERVICE PERSONNEL Qualified service personnel are those who are familiar with Frymaster equipment and who are authorized by Frymaster to perform service on Frymaster equipment All authorized service personnel are required to maintain a complete set of service and parts manuals and to stock a prescribed minimum amount of Frymaster parts Failure to use qualified service personnel will void the Frymaster Warranty on your equipment list of Frymaster Factory Authorized Service Centers FASCs was included with the equipment when it was shipped from the factory 1 6 Shipping Damage Claim Procedure Your Frymaster equipment was carefully inspected and packed before leaving the factory The transportation company assumes full responsibility for safe delivery upon acceptance of the equip ment for transport 1 3 What to do if your equipment arrives damaged 1 File a claim for damages immediately regardless of the extent of damages 2 Inspect for and record all visible loss or damage and ensure that this information is noted on the freight bill or express receipt and is signed by the person making the delivery 3 Concealed loss or damage that was unnoticed until the equipment was unpacked should be recorded and reported to the freight company or carrier immediately upon discovery A concealed damage claim must be submitted within 15 days of the date of delivery Ensure that the shipping container is retained for inspectio
54. ce bag rack and a rack cover or with a Pasta Package consisting of a bulk basket portion cups and cup rack and a strainer board Both models may be equipped with an optional swing away faucet The cookpot on both models is safeguarded against over filling and boilover by a large overflow drain and a starch diverter 1 4 Installation Operating and Service Personnel Operating information for Frymaster equipment 15 intended for use by qualified and or authorized personnel only as defined in Section 1 5 All installation and service on Frymaster equipment must be performed by qualified certi fied licensed and or authorized installation or service personnel as defined in Section 1 5 1 5 Definitions QUALIFIED AND OR AUTHORIZED OPERATING PERSONNEL Qualified authorized operating personnel are those who have carefully read the information in this manual and have familiarized themselves with the equipment functions or who have had previous experience with the operation of the equipment covered in this manual QUALIFIED INSTALLATION PERSONNEL Qualified installation personnel are individuals or firms corporations or companies that either in person or through a representative are engaged in and are responsible for the installation of electrical appliances Qualified personnel must be experienced in such work be familiar with all electrical precautions involved and have complied with all requirements of applicable national and loc
55. ches the upper sensor the valve closes As long as the switch is in the ON position whenever the water level drops below the upper water level sensor water will be automatically added to the cookpot If the switch is placed in the OFF position the AutoFill feature is disabled On units without AutoFill the cookpot must be manually filled by placing the faucet switch in the ON position The switch must be placed in the OFF position to stop the water flow The Skim switch allows the operator to add water to the cookpot during the cooking cycle This causes any accumulation of starch floating on the surface of the water to be washed down the overflow drain Water will be added as long as the switch is in the ON position Turn the unit off by placing the Heat Cycle switch in the IDLE position and the Power switch in the OFF position If shutting down at the end of the day drain and clean the cookpot and put the cookpot covers in place 3 4 Boiling Out the Cookpot The cookpot must be boiled out before first use 1 Close the drain valve and fill the cookpot with a mixture of cold water and 1 cup of detergent 2 Place the unit into operation See Section 3 1 2 for 35 5 8BC or 8C units See Section 3 2 2 for EWBS units 3 Press the simmer switch 8 on 8SMS 8BC and units on EWBS units and allow the solution to simmer for at least 1 hour 3 10 4 After the solution simmers for 1 hour turn
56. ct the cooker from the incoming water supply and remove the basket lift arms from the lifter rods Remove the screws from the upper corners of the control panel and open the panel by allowing it to swing downward Unplug the basket lift wiring harness from the 5 pin connector on the interface board Reposition the cooker to gain access to the rear Remove all three panels from the rear of the basket lift housing and disconnect the lifter rods from the lifter cams bell cranks Slip the lifter rods down and out of the assembly Remove the leveling screw bushing and washer then slip the lifter rod down and out of the assembly 7 9 4 Remove the four bolts securing the motor mount to the frame then remove the motor mount assembly from the unit NOTE It is possible to replace a motor or the microswitch without removing the motor and mount assembly but it is much more difficult 5 Dismount the motor or microswitch as shown below and install the replacement NOTE The right motor and microswitch dismount in the same way as the left Loosen setscrew in bottom of cam bell crank 6 Reverse Steps 1 4 to complete the procedure 7 3 10 Replacing the Cookpot 1 Drain the cookpot and disconnect the unit from the electrical power supply 2 If so equipped remove the faucet assembly from the cooker in accordance with Steps 1 4 of Section 7 3 8 3 Remove the screws from the upper corners
57. ctions Reverse Steps 1 and 2 to complete the procedure being sure to apply thread sealer to all connections NOTE The regulator must be rotated approximately 45 degrees to clear the drain plumbing see illustration at Step 2 6 3 8 Replacing the Water Faucet 6 Drain the cookpot and disconnect the cooker from the electrical power supply Turn off the water supply to the cooker and disconnect the incoming water lines where they attach to the stubs at the rear of the cooker Remove the two screws securing the access panel in place and remove the panel Disconnect the water supply line at the compression fitting where it attaches to the water inlet manifold Remove the screws from the faucet mounting plate and lift the faucet assembly from the unit Remove screws to remove the faucet mounting plate Remove this nut to separate the d faucet from the mounting plate Loosen this nut to separate the faucet from the water Disconnect this inlet manifold compression fitting Separate the faucet from the water inlet manifold and mounting plate as shown in the illustration at Step 4 Reverse Steps 1 5 to complete the procedure 6 3 9 Replacing a Basket Lift Motor or Microswitch l Disconnect the cooker from the electrical power supply 6 7 If rigid water connections have been used disconnect the cooker from the incoming water supply Remo
58. e of these indicators of abnormal operation gt Hi indicating that the water temperature is 11 F 6 C higher than the setpoint gt HELP indicating a heating problem gt Prob indicating that the computer temperature probe circuit is open Press a product button to start a cook cycle a The programmed cook time will appear and the countdown begins b If stir times are programmed the operator will be notified to agitate the product a predetermined number of seconds after the cook cycle has begun An alarm will sound the display will read 5t i c and the LED 1n the product button will blink To cancel the alarm press the indicated product button If no stir times have been programmed 5t i will not appear during the cook cycle CAUTION Pressing the product button twice while the Sh alarm sounds will cancel the cook cycle as well as the alarm c At the end of the cook cycle an alarm will sound COOC will be displayed and the associated product button will flash To cancel the alarm press the flashing button To check the frypot temperature at any time press the Temperature Check switch once To check the setpoint press the switch twice If you suspect the temperature probe is defective check the temperature of the cookpot with a thermometer or pyrometer to verify that the computer readout is reasonably close to the measured reading During idle periods when the cooker is but not in use
59. e Water Faucet sete abeat a 7 8 7 3 9 Replacing a Basket Lift Motor or Microswitch 7 9 7 3 10 Replacime the COORDOL i bea edo odii deer 7 10 7 4 Technician Troubleshooting 7 12 741 How the Power Supply System Work 7 12 44 2 How the Computer WORKS cota enr toe eden us 7 12 7 4 3 How the Autofill and Skim Systems Work 7 13 7 4 4 How the Water Heating System Works 7 13 74 5 How Basket Lift System Works eter 7 14 7 4 6 Technician Troubleshooting Guides 7 15 Troubleshooting 24 Power Supply System 7 15 Troubleshooting the Autofill System 7 16 Troubleshooting the Water Heating System 7 17 Troubleshooting the Basket Lift System 7 18 7 5 Parte E unas aa E 7 19 GNC CESS ORCS Su usaha 7 19 Components sene re treten Ae cate see dede Aue e ert a irt dore 7 20 etg adeo ua va aay ach Duce vou eas 7 22 7 6 Control 7 24 Cookpot and Drain CormnponDentsas
60. e cookpot 5 Apply thread sealer to the replacement probe and screw it securely into the cookpot 6 Insert the red probe lead into position 13 of the 15 pin connector and the white lead into position 14 Pull gently on each lead to ensure it is firmly seated Insert red lead into position 13 Insert white lead into position 14 7 Reattach the 15 pin connector to the rear of the computer close the control panel and replace the three screws removed in Step 2 6 3 7 Replacing the Pressure Regulator or Solenoid Valve 1 Drain the cookpot and disconnect the cooker from the electrical power supply Turn off or disconnect the water supply to the cooker 2 Loosen the compression fittings on the water lines running to and from the regulator and remove the regulator from the unit NOTE If the cooker is equipped with the optional Autofill feature the solenoid valve is installed between the regulator and the cookpot If that is the case disconnect the solenoid leads and remove both the regulator and solenoid valve from the unit Compression Fitting Regulator must be rotated to clear drain plumbing Compression Fitting 6 6 3 If replacing the regulator adjust the replacement regulator output pressure to not more than 40 PSI 28 15 kg cm before installation in the cooker Recover the fittings from the failed component regulator or solenoid valve and install them on the replacement using thread sealer on all conne
61. e screws that secure each of the rear corners of the backsplash assembly see illustration at right NOTE To access the screw in the lower right corner as viewed from the rear remove the upper basket lift panel Remove the screws along the top edge of the control panel and open the panel by swinging it downward Disconnect the 15 pin connector from the rear of the computer and then lift the control panel out of the control panel frame Remove the screws that secure the backsplash sides to the cabinet sides then remove the four screws that secure the topcap to the cabinet Remove the nut and washer securing the basket support rod to the topcap by reaching up through the control panel frame Conversely the backsplash and topcap with the basket support rod still attached can be lifted up and off the cooker as one unit Remove the screws attaching the standoff brackets to the cookpot or rinse tank If removing the cookpot unplug the element wiring harnesses from the rear of the contactor box Disconnect the high limit thermostat leads and the water level sensor leads Using a pin pusher such as Frymaster P N 806 4855 disconnect the temperature probe leads from the 15 pin connector Disconnect the union joining the cookpot and rinse tank drain piping together With an assistant lift the cookpot or rinse tank straight up and out of the cabinet 6 9 Remove these four screws
62. e topcap from the unit On double units remove the cookpot connecting strip 6 Remove the screws attaching the standoff brackets to the cookpot Remove these screws 7 Unplug the element wiring harnesses from the rear of the contactor box Disconnect the high limit thermostat leads from the thermostat body Remove the screws securing the backsplash to the cabinet and remove the backsplash 8 With an assistant lift the cookpot straight up and out of the cabinet DO NOT ATTEMPT TO REMOVE THE COOKPOT WITHOUT ASSISTANCE 9 Invert the cookpot on a suitable work surface and remove the salvageable components e g insulation element thermostats drain plumbing etc Install the recovered components on the replacement cookpot or rinse tank using thread sealer on all connections 10 Reverse Steps 1 through 8 to complete the procedure referring to the wiring diagram on the door of the unit or at the end of this chapter when reconnecting wiring 7 11 74 Troubleshooting Problems with this equipment may be grouped into five broad categories Failure or malfunction of a 24VAC Power Supply System component Failure or malfunction of a Control System component Failure or malfunction of an Autofill Autoskim System component Failure or malfunction of a Water Heating System component Failure or malfunction of a Basket Lift System component on units so equipped pup Sections 7 4 1 through 7 4
63. ed via the basket lift relays mounted on the interface board through the 5 pin connector on the interface board All line and 24VAC power except the line voltage for the elements is distributed to and from the contactor box via the 15 pin connector on the front of the box 7 4 2 How the Computer Works The CM III computer provides the interface between the operator and the system components 24V AC from the transformer is supplied through Pin 7 of the 9 pin connector on the interface board The 24VAC is rectified to 12VDC and delivered to the computer via Pins 1 and 3 of the 15 pin connector Internal circuitry senses the water temperature Depending upon the conditions sensed the computer energizes or de energizes the heating element via the contactor coil to control water temperature The computer also controls the lowering and raising of the basket lifts and activates an audible alarm to signal the operator that a cooking cycle has completed The computer signals for heat via Pin 4 of the 15 pin connector The temperature probe connects to Pins 13 and 14 of the 15 pin connector The basket lift relays connect to Pins 7 right and 9 left and the sound device connects to Pin 11 of the 15 pin connector 7 12 7 4 3 How the Autofill Skim Systems Work The heart of the automatic filling Autofill system is a normally closed solenoid valve that opens when 24VAC is applied as a result of the loss of upper water level sensor ground The gro
64. emperature nothing more needs to be done If it is not within 5 F 2 C of the desired temperature perform Steps 2 through 5 With the unit in the simmer mode open the control panel by removing the screws in the upper corners and tilting the panel out Remove the black rubber plug from the top of the controller housing Using a small flat tipped screwdriver turn the adjusting screw to change the simmer setpoint 1 4 turn will change the setpoint about 10 5 C You will have to experiment with the direction of rotation to determine which way to turn to raise or lower the temperature Wait at least 5 minutes then recheck actual water temperature Repeat this step until the water temperature is within 5 F 2 C of desired temperature Replace the plug in the controller close the control panel and replace the screws removed in Step 1 3 1 5 Toggling Between Fahrenheit and Celsius Temperature Display l 2 There are two versions of the SMS Controller one that can be toggled between Fahrenheit and Celsius temperature display and one that cannot To determine which version you have turn the controller off by pressing the Power 0 switch The display will go blank Press the Simmer switch If Code appears in this display the temperature display can be changed If not the display cannot be changed If Code appears in the display press 1 6 5 8 The display will toggle from Fahrenheit to Celsiu
65. er in the cookpot is heated by a 13 kilowatt heating element Optional features include a swing away jointed faucet and automatic filling and skimming features Autofill and Autoskim Units with Manual Controls rocker switches and a thermostat When the POWER switch is placed in the ON position the white POWER indicator next to the switch illuminates If the red TROUBLE indicator illuminates at any time there is a problem with the high limit thermostat The unit will not heat until the problem with the high limit thermostat has been resolved Anytime the POWER switch is in the ON position logic circuits in the interface board check for the presence of water in the cookpot These circuits look for grounding of the water level sensors caused by their contact with water in the cookpot If the interface board senses that the cookpot is not full i e the upper water level sensor is not in contact with water it signals the normally closed solenoid valve on the water supply line to open When the interface board senses that water level in the cookpot is full water contacts the upper water level sensor it signals the solenoid valve to close Anytime the water level in the cookpot drops below the upper water level sensor the interface board signals the solenoid valve to open to refill the cookpot to the proper level When the HEAT CYCLE switch is placed in either the BOIL or the SIMMER position if water is in contact with the lower water
66. er use 810 2229 809 0171 Thumbscrew Basket Hanger 826 1351 Retainer 4 20 Nut Nutsert Pkg of 10 Not illustrated 6 23 COOKPOT RINSE TANK U ER CM AND DRAIN COMPONENTS Detail of High Limit Thermostat Mounting Hardware 6 24 823 2937SP Cookpot Assembly for 17EMCS McDonald s use 823 3827SP 823 19945 Rinse Tank Assembly 806 7552SP Water Level Sensor Assembly 900 5045 Retainer Cookpot Front Insulation 816 0152 Insulation Cookpot Front behind Item 4 900 1762 Retainer Insulation 826 1376 Nut 10 32 Hex Head Keps Pkg of 10 807 3333 Probe Temperature 210 0681 Guard Temperature Probe 807 2466 Thermostat High Limit 807 3814 Element 208V 8 625kW for 230V use 807 3815 for 240V use 807 3816 810 0976 Nozzle N A Guard Water Level Sensor part discontinued no longer used 809 0047 Jut 4 20 Cap secures Item 12 on units built before February 2001 813 0451 Jipple 1 14 inch NPT x 12 inch Chromed Brass 813 0453 Jut 1 14 inch NPT Chromed Stainless Steel Slip 813 0148 Nipple 1 14 inch NPT x 6 4 inch NPT 813 0070 Ibow 1 14 inch NPT 90 813 0400 Jipple 1 14 inch NPT x 2 inch 813 0391 Nipple 1 14 inch NPT Close connects cookpot drain valve and Item 19 813 0394 1 14 inch NPT 813 0146 Nipple 4 inch NPT x 4 4 inch 813 0518 Nipple 14 inch NPT 4 inch 813 0395 Union NPT 813 0144 Nipple 4 inc
67. h Enter the programming mode by pressing the Program Mode Switch v CodE appears in the left display If you enter the programming mode by mistake press the switch again to exit the programming mode NOTE f you try to enter the programming mode while the computer is cooking the display will flash BUSY NOTE The unit comes from the factory configured to display in degrees Fahrenheit toggle back and forth between Fahrenheit and Celsius press the Program Mode switch then enter the code 1 6 5 8 by pressing the corresponding product buttons Next press the Temperature Check Program Lock switch to lock in the new display option Enter the number 1 5 O by pressing the corresponding product buttons Unless this code is entered programming will not be accepted This is to prevent unauthorized changes to your current instructions SP r Setpoint will appear in the left LED display previously programmed temperature setpoint will appear in the right display To change the setpoint enter the desired setpoint temperature using the corresponding product buttons The setpoint can be programmed for any value up to 212 F 100 C Press the Program Mode V switch to lock in the new setpoint or the old setpoint if it was not changed SELP Select Product will appear in the left display Press the product button to be programmed or press IY to return to the normal operating mode COOC Cook Time will now sh
68. h NPT x 3 4 inch 813 0554 Nipple 4 inch NPT x 7 inch 814 0047 Sleeve Red Drain Valve Handle 910 9527 Handle Drain Valve 810 1825 Valve 1 14 inch NPT Drain 823 2022 Strainer 910 2042 Clamp Element 910 5214 Support Element 910 2097 Bracket High Limit 809 0769 Screw 8 X inch S S Hex Washer Slot Head 809 0204 Washer Teflon fits between Item 10 and inside face of Cookpot 809 0063 Nut 16 Jam secures Drain Valve Handle to Drain Valve Not illustrated N 3 X Q 6 25 ELECTRONICS 1 1C BLK 1 1 21C ORG CZ 2 2C BLK 2 2 4 22C GRN YLW 3 3C BLK 3 3 23C BRN 4 4C BLK 4 4 24C ORG rx 5 SC BLK D 5 5 25C ORG 6 6C BLK 6 6 26C RED 7 7C BLU 7 7 8 8C WHT D 8 8 28C BRN 9 9C BLU 9 9 10 10C BLK 10 10 RED nx 11 11C BLK 11 11 12 12C BLK 12 12 32C BRN Dx 13 13 13 14 14 14 15 15 WHT 15 15 1 H 1H BLK o 4 1H BLK 2 L 2H BLK 2XL HBK 3 4 3H BLK 3 Xj 3H BLK J 4 H 4H BLK 4 4H BLK 5 5H BLK 5 5H BLK 6 x 6HBLK c 6 6HBLK 7 8 9 14
69. he IFB has failed Replace If they ARE grounded repair or replace as required Check sensor and wiring Ifthey ARE grounded the IFB has failed Replace If they are NOT grounded clean repair or replace as TROUBLESHOOTING THE WATER HEATING SYSTEM Each of the following checks is to be performed with the unit connected to the electrical power supply with the unit ON and calling for heat and with at least enough water in the cookpot to cover the lower water level sensor Is resistance between outside terminals 1 ohm or less Yes High limit is OK CHECKING THE ELEMENT 24VAC Power Supply verified to be OK High limit has failed Replace With sufficient water in the cookpot to cover the heating element place the POWER switch in the ON position and the CYCLE switch in the SIMMER position OR press the computer ON OFF switch to the ON position contactor coil energized Was there an present on the audible snap indicating the No rcc CHECKING CHECKING THE THE TEMPERATURE HIGH LIMIT PROBE THERMOSTAT on units with computers because water boils in Simmer Mode or water is too cool in Simmer Mode Check probe resistance between Pins 6 and 8 on IFB 12 pin connector Resistance should be Approx 552 ohms 60 F 16 Approx 655 ohms 100 38 Approx 1000 ohms 212 F 100 C Check resistance between each pin and
70. he element temperature reaches 400 F 15 204 C 9 This cuts power to the contactor coil and thus to the element The temperature probe is used only when the unit is in the simmer mode When the operator selects the simmer mode logic circuits in the on the interface board or in the computer monitor the temperature of the water and cycle power to the element via the contactor coil on and off as 7 13 required to maintain the temperature at the setpoint programmed into the computer or set on the thermostat knob The contactor is the terminal block to which the element leads are connected and where actual contact is made between the leads and the line voltage Built into the contactor 15 a 24 coil that energizes when signaled by the computer or interface board that the water temperature 15 below the setpoint When it energizes contact is made between the incoming line voltage and the element leads and line voltage is supplied to the element The element is a resistive heating device That is when voltage 5 applied to the element it gets very hot due to its resistance to current flow through it The heat generated is transferred directly to the water in which the element is immersed In units with manual controls the three position HEAT CYCLE switch controls how power is supplied to the element When the switch is in the IDLE position no power is supplied to the element at any time BOIL position power is supplied t
71. he heat cycle and add water When the Power switch is placed in the ON position the white power indicator will illuminate If the unit is equipped with the AutoFill feature and the water level in the cookpot is below the upper water level sensor the cookpot will immediately begin to fill with water If the Heat Cycle switch is in the ON or SIMMER position the heating element will energize as soon as the lower water level sensor is covered with water Illumination of the red trouble light at anytime indicates that the high limit safety has tripped If the red trouble light illuminates place the Power switch the OFF position immediately When the Heat Cycle switch is placed in the IDLE position the heating element is de energized but power to the Faucet and Skim switches is maintained Placing this switch in the SIMMER position maintains the water at the temperature indicated on the thermostat control dial The switch is placed in the BOIL position for cooking product or reheating packaged sauces A built in low water safety feature prevents the heating element from being energized unless the lower water level sensor is covered with water regardless of the position in which the switch is placed On units with the AutoFill feature placing the Power switch to the ON position activates the feature causing the water solenoid valve to open adding water to the cookpot until the water level reaches the upper water level sensor When the water rea
72. heck connections and replace wiring as required Is 24 present on the load side of the transformer Is line voltage present on the line side of the transformer Yes Yes No Transformer has Cause is loose or broken wiring failed Replace or the electrical service circuit is dead TROUBLESHOOTING THE AUTOFILL SYSTEM Verify that unit is connected to the water supply and that water supply is turned on Drain the water in the cookpot to a level below the upper water level sensor Place the POWER switch in the ON position In units with computers press the computer ON OFF switch Remove the water level sensor guard and thoroughly clean the sensors Did unit begin to fill Is 24 present on Pins 1 and 2 of the IFB 4 pin connector manual controls Pin 2 of the IFB 12 pin connector computer controls Did unit begin to fill Check connections and wiring to solenoid valve If wiring and connections are intact the valve has failed Replace Is 0 voltage present Did unit on Pins 1 and 2 of the IFB shut off when water 4 pin connector manual controls No No reached the upper water level or sensor Pin 2 of the IFB 12 pin connector computer controls Yes Yes Autofill system is OK Solenoid valve has failed Replace 7 16 Check sensor and wiring If they are NOT grounded t
73. in connector from the Interface board and using a pin pusher push out the temperature probe leads from holes and 8 on the connector Remove the temperature probe by unscrewing it from the front of the cookpot Apply thread sealer to the replacement probe and screw it securely into the cookpot Insert the probe leads into holes 6 and 8 of the 12 pin connector there is no polarity either lead may be inserted into either hole see illustration at top of next page Pull gently on each lead to ensure it is firmly seated 7 7 Note D shaped pin and 7 Reattach the 12 pin connector to the interface board close the control panel and replace the two screws removed in Step 2 7 3 7 Replacing the Pressure Regulator or Solenoid Valve 1 Drain the cookpot and disconnect the cooker from the electrical power supply If necessary reposition the cooker to allow free access to the component to be replaced Turn off or disconnect the water supply to the cooker If replacing an Autofill system pressure regulator or solenoid valve on a unit equipped with basket lifts the basket lift upper rear panel must be removed 2 Loosen the compression fittings on the water lines running to and from the regulator or solenoid valve and remove the component from the unit NOTE If the solenoid valve is mounted adjacent to the regulator disconnect the solenoid leads and remove both the regulator and solenoid valve from the unit TYPICAL WATER SUPPL
74. in the ON position the logic circuits in the interface board are bypassed and 24V AC is applied to solenoid valve for as long as the switch is left in the ON position 7 4 4 How the Water Heating System Works To prevent energizing the heating elements when there is no water in the cookpot these units are equipped with a low water level sensor This sensor must be grounded by contact with water in the cookpot before the control circuitry will apply power to the elements Starch or lime build up on the low water level sensor may keep the ground from forming therefore always make sure the sensor 15 clean and its lead is firmly connected to J5 on the interface board In order for the ground to form there must be some mineral content in the water pure water is non conductive Consequently the units will not operate with distilled water If distilled highly filtered or purified water is used add of baking soda to the water each time the cookpot 15 emptied and refilled In addition to the low water level sensor discussed above the water heating system has six more parts the high limit thermostat the temperature probe the contactor the element and a HEAT CYCLE switch and manual thermostat or a computer The high limit thermostat functions as a normally closed switch If the water in the cookpot falls below the low water level sensor but the sensor remains grounded for whatever reason the high limit switch will open when t
75. int will be displayed The BOIL mode is selected by pressing the L button The display will show and the temperature of the water will be raised to 212 F 10090 3 2 3 Shutting the EWBS with CM Computer Down Turn the unit off by pressing the Power switch If shutting down at the end of the day drain and clean the cookpot and put the cookpot cover in place CAUTION The electronic circuitry in your computer can be affected adversely by power fluctuations and electrical storms If it fails to function or program properly for no apparent reason try unplugging the computer from the interface board and plugging it back in This could prevent a service call 3 3 Thermostat Control and Switch Panel Used on ESW and EWBS Units 415 185 BOIL KE POWER 9 IDLE 3 P c Frymaster TROUBLE SIMMER OFF OFF HEAT CYCLE FAUCET SKIM THERMOSTAT CONTROL S SWITCH PANEL CAUTION If this is the first time the unit is being used after installation refer to Section 3 4 Out Procedure 3 9 On ESW units and EWBS units without CM III computers a thermostat located inside the door maintains the simmer mode temperature Rocker switches on the control panel turn the power on and off control t
76. is equipment while it is filled with hot water may cause spilling or splattering of the hot water Always drain the cookpot before attempting to relocate this equipment for servicing 1 Disconnect the unit from the electrical power supply and from the water supply 2 Remove any attached restraining devices 3 Relocate the unit for service accessibility 4 After servicing is complete reconnect the unit to the water supply reattach restraining devices and reconnect the unit to the electrical power supply 7 3 Replacing Equipment Components 7 3 4 Replacing the Computer See Section 5 3 7 3 2 Replacing Electronic Components Other than the Computer 1 Drain the cookpot and disconnect the cooker from the electrical power supply 2 Remove the cover from the component box Refer to the illustration below to locate the component to be replaced Power Block 24V Transformer units w Basket Lifts only Contactor 24V Transformer all units 3 Onthe component to be replaced make a note of the wiring connection points 4 Disconnect the wires and remove the failed component Install the replacement component and reconnect the wiring in accordance with the notes made in Step 3 or with the wiring diagram on the door of the unit 5 Replace the component box cover being sure to reconnect the ground wire Reconnect the cooker to the electrical power supply 7 3 7 3 3 Replacing the Heating Element 1 Drain the
77. itions sensed the computer energizes or de energizes the solenoid valve to control water level and the heating elements to control water temperature The computer also controls the lowering and raising of the basket lift and activates an audible alarm to signal the operator that a cooking cycle has completed A rectifier in the computer coverts 24VAC to the 6 10 24VDC required by the basket lift relay and the solid state heating relays The computer signals for heat via Pin 4 grounds the solenoid valve via Pin 6 and senses water level via Pins 7 low and 9 full The temperature probe connects to Pins 13 and 14 The basket lift relay connects to Pins 10 and 12 The sound device connects to Pin 11 6 4 3 How the Autofill AutoSkim System Works The heart of the automatic filling Autofill system is a normally closed solenoid valve that opens when 24V AC is applied The ground for the solenoid is supplied via Pin 6 of the computer wiring harness so long as the upper water level sensor is not in contact with the water in the cookpot When the water in the cookpot reaches the upper water level sensor the sensor is grounded This causes the computer to break the solenoid ground closing the valve Starch or lime build up on the upper water level sensor may keep a ground from forming therefore always make sure the sensor is clean and its lead Pin 9 of the computer wiring harness is firmly connected Also in order for the ground to form
78. l appear Program the length of the third stir time in the same manner as for Stir Times and 2 Be sure that the time entered is greater than Sh 2 or else is 0 For example entering 30 means the product needs to be stirred after it has been cooking for thirty seconds At the end of thirty seconds an alarm will sound and the product switch will flash until cancelled by the operator pressing the product button CAUTION Remember Sh 2 must be greater than Sh 1 or be 0 513 must be greater than 512 or else be 0 None of the stir times can be greater than the cook time entered in Step 6 3 2 2 SELP Select Product will again appear in the left display If more products are to be programmed follow Steps 5 through 8 for each additional product When you complete your programming lock in the whole program by pressing the Temperature Check Program Lock Switch 4 Operating the Computer Turn the computer on by pressing the Power switch NOTE decimal between digits 1 and 2 in either LED Display indicates the unit is heating 1 Oneofthe following will normally be displayed a b 9 10 indicating that the water temperature is 11 F 6 C lower than the setpoint 5 indicating that the water temperature is in the cooking range NOTE For best results cooking should not be attempted unless the display indicates 3 7 NOTE You may also se
79. l is below the upper water level sensor Logic circuits in the computer monitor the temperature and cycle power on and off to maintain the simmer setpoint See Chapter 3 for instructions on adjusting the setpoint The cooker also has a high limit safety If the cookpot fails to refill and the water level drops below the low water sensor the high limit will open cutting off power to the elements when the element temperature reaches 400 15 F Pressing the Skim switch activates the AutoSkim feature A logic circuit in the computer opens the solenoid valve in the water supply line for three seconds every minute until the option 15 turned off by again pressing the Skim switch The operator enters a cooking time by pressing the number pads on the computer The computer counts down the cook cycle time when the Start switch is pressed When the computer times out an alarm sounds briefly then the timer reverts to the last time entered Logic circuits in the computer also activate the basket lift motors when the Start switch is pressed lowering the basket into the cookpot pair of motors drive the basket lift arms down until a cam attached to the left motor loses contact with a roller activated microswitch and power to the motors is cut When the computer times out the logic circuits reverse the switch positions so that the motor circuit is again completed and the motors are restarted raising the basket from the cookpot The cam again makes cont
80. ll compression nut into the large fitting and tighten 6 Coil the capillary tube as necessary to achieve a neat installation and attach the terminal block to the mounting bracket using the screws removed in Step 4 Connect thermostat lead 5C black to the normally closed NC terminal and 8C white to the common C terminal Common C Terminal Normally Closed NC Terminal Note open side Note closed side 7 Reverse Steps 1 and 2 to complete the procedure 6 3 5 Replacing a Water Level Sensor Drain the cookpot and disconnect the cooker from the electrical power supply Disconnect the sensor lead from the sensor remove the nuts securing the sensor in place and remove the sensor Install the replacement sensor as illustrated below and reconnect the lead Insulator must seat in hole before nut is tightened K 8 lt Inside of cookpot 6 3 6 Replacing the Temperature Probe 1 Drain the cookpot and disconnect the cooker from the electrical power supply 2 Remove the three screws along the upper edge of the control panel and open the panel by allowing it to swing downward 3 Disconnect the 15 pin connector from the rear of the computer and using a pin pusher such as Frymaster P N 806 4855 push out the temperature probe red and white leads from positions 13 and 14 on the connector 6 5 4 Remove the temperature probe by unscrewing it from the front of th
81. n FRYMASTER DOES NOT ASSUME RESPONSIBILITY FOR DAMAGE OR LOSS INCURRED IN TRANSIT 1 4 ELECTRIC COOKER MODELS 17 17ECS ESW AND EWBS CHAPTER 2 INSTALLATION INSTRUCTIONS 2 4 General Installation Requirements PROPER INSTALLATION IS ESSENTIAL FOR EFFICIENT TROUBLE FREE OPERATION OF YOUR COOKER ANY UNAUTHORIZED ALTERATIONS MADE TO THIS EQUIPMENT WILL VOID THE FRYMASTER WARRANTY Upon arrival inspect the cooker carefully for visible or concealed damage See Shipping Damage Claim Procedure in Chapter 1 NATIONAL CODE REQUIREMENTS This equipment is to be installed in compliance with the Basic Plumbing Code of the Building Offi cials and Code Administrators International Inc BOCA and the Food Service Sanitation Manual of the U S Food and Drug Administration ELECTRICAL GROUNDING REQUIREMENTS All electrically operated appliances must be grounded in accordance with all applicable national and local codes A wiring diagram is located on the inside of the equipment door Refer to the rating plate on the inside of the door for proper voltages FCC COMPLIANCE The user is cautioned that any changes or modifications to Frymaster computers not expressly ap proved by the party responsible for compliance could void the user s authority to operate the equip ment Frymaster computers have been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC rules While these devices a
82. ng Thermostat units with manual controls 806 4206 Temperature Probe units with computers 807 2466 High Limit Thermostat 809 0047 Nut 4 20 910 2927 Cover Water Level Sensor 810 0976 Nozzle 910 1038 Thermostat Guard units with manual controls 810 0738 Probe Guard units with computers 807 2440 Element 208V 13kW Heating 809 0567 Tie Wrap Metal 813 0391 Nipple 1 4 inch NPT Close 813 0451 Nipple 1 4 inch NPT x 12 inch Chromed Brass 813 0453 Nut 14 inch NPT Chromed Stainless Steel Slip 813 0146 Nipple 1 4 inch NPT x 44 inch 813 0070 Elbow 1 4 inch NPT 90 813 0394 Tee 1 4 inch NPT 810 1825 Valve 1 4 inch NPT Drain 814 0047 Sleeve Red Drain Valve Handle 910 9527 Handle Drain Valve 809 0063 Nut 16 Jam 809 0204 Washer Teflon between element and inside face of cookpot 7 25 13 17 9 3 16 ELECTRONICS 21C BERE 6H 5H 4H 3H 2H 1H 20C vulla 65 11C 4C 2C 1C 18C 5C 2C 19 545049 128 10 9c 7C 7C othe de 16 G G Q 4 G 6 G lL R N L L LL L 3 nado sag is ggg wvv 4 8 388
83. nnected to the electrical power supply with the computer ON and calling for heat and with at least enough water in the cookpot to cover the lower water level sensor CHECKING CHECKING THE THE TEMPERATURE HIGH LIMIT PROBE THERMOSTAT Because water boils in Simmer Mode or water is too cool in Simmer Mode No has Adjust controller in failed Replace d accordance with instructions in Section 3 1 3 If this does not correct the problem continue Yes High limit is OK Check probe resistance between Pins 13 and 14 Resistance should be Approx 552 ohms 60 16 Approx 655 ohms 100 F 389 Approx 1000 ohms 212 F 100 C Check resistance between each pin and ground Resistance on BOTH should be CHECKING THE 2 mega Ohms or greater SOLID STATE RELAYS AND ELEMENTS 24VAC Power Supply verified to be OK Is resistance between Pins 5 and 8 of the 15 pin plug 1 ohm or less Are BOTH readings within specification No Probe is open or is shorted Replace Place the master ON Yes OFF switch in OFF position then back in the ON position Probe is OK CHECKING THE COMPUTER 24VAC Power Supply verified to be OK With the computer calling for heat is voltage across the input terminals of the relay zero with line voltage across the output terminals AND With the computer NOT calling for heat
84. o the element continuously until the switch is placed in another position SIMMER position power to the element cycles on if the water temperature is below the temperature indicated by the thermostat knob When the temperature reaches that indicated by the thermostat knob power to the element cycles off This process continues until the switch is placed in another position In units equipped with a computer the computer is the interface between the operator and the other components of the equipment It controls the application of line voltage to the heating element via the contactor There are two modes of operation Simmer Mode the signal from the computer is continuos and line voltage is applied to the elements until the simmer setpoint programmed into the computer is reached at which time the signal ceases Boil Mode the signal from the computer is continuous ceasing only when the unit is turned off or placed in the simmer mode 7 4 5 How the Basket Lift System Works When a product button is pressed to start the cooking cycle logic circuits in the computer activate the appropriate basket lift motor lowering the basket into the cookpot As the motor drives the basket lift rod down a cam attached to the motor eventually loses contact with a roller activated microswitch and power to the motor is cut When the computer times out logic circuits reverse the switch positions so that the motor circuit is again completed and the motor is
85. oltage please be prepared to describe the nature of the problem and have ready any other information that you think may be helpful in solving your problem RETAIN AND STORE THIS MANUAL IN A SAFE PLACE FOR FUTURE USE 1 2 Safety Information Before attempting to operate your unit read the instructions in this manual thoroughly Throughout this manual you will find safety notations enclosed in boxes similar to the ones illustrated below and on the following page CAUTION CAUTION boxes contain information about actions or conditions that may cause or result in malfunction of your equipment WARNING 1 1 WARNING boxes contain information about actions or conditions that may cause result in damage to your equipment and which may cause your equipment to malfunction DANGER DANGER boxes contain information about actions or conditions that may cause or result in injury to personnel and which may cause damage or malfunctioning of your equipment 1 3 Equipment Description The automatic high volume Electric Cooker models ESW and EWBS are specifically designed for rethermalizing pre cooked packaged foods boiling seafood or cooking fresh foods and pasta models are capable of delivering up to 50 pounds 26 kg of product per hour Model Comparison 17EC 17ECS The 17EC and 17ECS series feature two 8 5 kilowatt heating elements in 16 5 gallon 62 5 liter stainless steel cookpot specially modified SMS I
86. on 1 Turn the controller on by pressing the Power switch 2 The unit will automatically enter the simmer mode and the simmer mode indicator will illuminate This will bring the cooker to stand by temperature To enter the boil mode press the Boil Mode switch 3 Enter the desired cooking time using the numeric keypad The time entered appears in the LED display 4 When ready to initiate a cooking cycle press the Start Timer X switch then press the Boil Mode b switch The basket lift will automatically lower the basket or portion cups into the cookpot and the LED display will begin to count down Simultaneously the water will be raised to the boiling point At the end of the cooking cycle an alarm will sound briefly to alert you and the basket lift will automatically raise the basket or portion cups out of the water 5 The display will automatically return to the previously set cooking time and the unit will return to the simmer mode If the same time is desired for the next batch simply repeat Step 4 If a different cooking time is desired follow Steps 3 and 4 6 To initiate the automatic skimming Autoskim feature press Skim switch 3 1 3 Setting the Controller Transition Temperature Boil Intensity You may adjust the cooker s Transition Temperature Boil Intensity to prevent boilover on controllers configured with this feature
87. ors Temperature Sensor Element and Cookpot Turn the equipment off and drain the cookpot Clean the water level sensors located in the front of the cookpot behind the sensor cover Normally a bottlebrush and a solution of detergent and water may be used to clean the sensors with the cover installed If the sensors become coated with an unusually heavy layer of starch or lime the cover may be removed to better access the sensors for cleaning using a Scotch brite or similar abrasive pad and a solution of detergent and water Using Scotchbrite or similar abrasive pad and a solution of detergent and water clean the inside of the cookpot Pay particular attention to the heating element Rinse the cookpot thoroughly with clean water at least twice THIS PAGE INTENTIONALLY LEFT BLANK ELECTRIC COOKER MODELS 17 17ECS ESW AND EWBS CHAPTER 5 OPERATOR TROUBLESHOOTING 5 1 Introduction This chapter provides an easy reference guide to the more common problems that may occur during the operation of this equipment The troubleshooting guides in this chapter are intended to help you correct or at least accurately diagnose problems with the equipment Although the chapter covers the most common problems reported you may very well encounter a problem not covered In such instances the Frymaster Technical Service Department will make every effort to help you identify and resolve the problem When troubleshooting a problem always
88. ow in the left display previously programmed cooking time will appear in the right display Pressing v will accept the current cooking time To change the cooking time enter the new time using the product buttons The cook time can be programmed up to 59 59 Press LY to lock in the new time 3 6 NOTE 7he computer be programmed for either standard slow clock speed The standard clock displays minutes and seconds the slow clock displays hours and minutes To toggle back and forth between clock speeds press the Program Mode switch then enter the code 1 6 5 3 using the product buttons To determine if the clock speed is set to standard or slow initiate a cook cycle by pressing a product button If the computer is set to the standard clock the time in the LED display will immediately begin to count down If it does not the computer is set to the slow clock Sh1 Stir Time 1 appears in the left display If your product requires stirring during the cooking process set the number of seconds to cook before stirring using the product buttons If your product does not require stirring enter 0 The number entered will appear in the right display The stir time can be programmed up to 59 59 but cannot exceed the product cook time Press to lock in the programmed time Sh2 will appear Program the time of the second stir time as above Be sure the time entered is greater than Sh 1 or else is 0 Sh3 wil
89. ow water level Water will not heat sensor controller is on water is at normal level but LO is not showing on the controller B Insufficient mineral content in water C Defective controller A Clean sensor Add cup baking soda to cookpot C Replace controller see Section 5 3 Water will not heat Defective controller water above lower water level sensor and LO is showing on the controller Replace controller see Section 5 3 Water heats but does Defective controller not boll Replace controller see Section 5 3 Water boils in simmer mode Controller out of adjustment Adjust controller in accordance with Section 3 1 3 17EC 17ECS or 3 2 2 EWBS Water temperature is too low in simmer mode Controller out of adjustment Adjust controller in accordance with Section 3 1 3 17EC 17ECS or 3 2 2 EWBS A Operator error Timer does not count down B Defective controller A Push timer start switch 17EC 17ECS or a product button EWBS with CM III controller B Replace controller see Section 5 3 5 2 Troubleshooting Guide Continued Basket Lift does not function correctly PROBLEM PROBABLE CAUSES CORRECTIVE ACTION Autoskim does not Defective controller Replace controller see Section 5 3 add water Autofill operating correctly A Blown fuse 17EC and A Replace
90. r of the cookpot Loosen the small compression nut first Unscrew the large fitting only after loosening the small compression nut 4 Detach the high limit thermostat leads 5C and 8C from the thermostat Remove the two screws securing the thermostat to the mounting bracket and remove the thermostat assembly from the cabinet NOTE It is not necessary to remove the bracket 5 Loosen the small compression nut in the large fitting on the replacement thermostat so that the large fitting will move freely on the capillary tube the thin flexible tube Carefully insert the replacement thermostat into the cookpot being careful not to bend the thermostat tube Position the tube along the inside of the left leg of the element as viewed from the front of the cooker and secure it in place with two metal wire ties Apply thread sealer to the large fitting and screw the fitting securely into the cookpot When the large fitting is tight pull gently on the capillary tube to remove any slack then screw the small compression nut into the large fitting and tighten 7 5 7 Coil the capillary tube as necessary to achieve a neat installation and attach the terminal block to the mounting bracket using the screws removed in Step 4 Connect thermostat lead 5C black to the normally closed NC terminal and 8C white to the common C terminal Common C Terminal Normally Closed NC Terminal Note open side Note closed side Reverse S
91. r the unit has been positioned in the area where it will be used ensure the following have been accomplished before connecting the unit to the electrical power source 1 This equipment must be stabilized by installing restraining chains on units equipped with casters or anchor straps on units equipped with legs Follow the instructions shipped with the casters legs to properly install the chains or straps 2 Level units equipped with legs by screwing the legs out approximately 1 inch then adjusting them so that the unit 1s level For units equipped with casters there are no built in leveling devices The floor where the unit is to be installed must be level 3 Install the basket lift arms on units so equipped on the lift rods located at the top rear of the cabinet so that the basket lift rollers guides the lift arms NOTE Some adjustment of the rollers may be necessary for free movement of the basket lift arms 4 If so equipped connect the water hose s to the fitting s at the rear of the unit and connect the unit to the water supply CAUTION Incoming water pressure for all units should be approximately 40 PSI 28 15 kg cm A DANGER The maximum allowable incoming water pressure for all units is 80 PSI 56 3 kg cm The maximum allowable incoming water temperature for all units is 180 F 82 C A WARNING To prevent back flushing the connection piping should be installed with
92. re verified as Class A de vices they have been shown to meet the Class B limits These limits are designed to provide rea sonable protection against harmful interference when the equipment is operated in a commercial en vironment This equipment generates uses and can radiate radio frequency energy and if not in stalled and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of the equipment in a residential area is likely to cause harmful interfer ence in which case the user will be required to correct the interference at his own expense If necessary the user should consult the dealer or an experienced radio and television technician for additional suggestions The user may find the booklet How to Identify and Resolve Radio TV Interference Problems helpful It is prepared by the Federal Communications Commission and is available from the U S Government Printing Office Washington DC 20402 Stock No 004 000 00345 4 2 1 2 2 Caster Leg Installation Depending upon the specific configuration ordered your unit might have been shipped without in stalled casters or legs If casters or legs are installed you may skip this section and proceed to Sec tion 2 3 Pre Connection Preparations If your unit requires the installation of casters legs install them in accordance with the in structions included in your accessory package 2 3 Pre Connection Preparations Afte
93. restarted raising the basket from the cookpot At the fully raised position the cam again makes contact with the microswitch cutting power to the motor and stopping the lift in the up position 7 14 7 4 6 Technician Troubleshooting Guides TROUBLESHOOTING THE 24VAC POWER SUPPLY SYSTEM Verify that the power cord is properly connected to the The primary indicator of a electrical service and that the circuit breaker is not problem with the 24VAC tipped Power Supply System is a failure of the power light to illuminate when the On units with manual 1 POWER switch is placed POWER switch in the in the ON position or the ON position On units with computer failure of the computer to controls place the ON OFF switch in the activate when the ON postion computer ON OFF switch is pressed Was there an audible snap from the contactor indicating the coil energized 24VAC Power Supply Yes gt Ke System is OK RW Is 24 present across Pins 4 5 and 6 of the 15 pin connector on the front of the contactor box Causes are broken or loose wiring or a failed contactor If wiring and connections are verified to be intact replace contactor No In units with manual controls verify the continuity of the POWER switch in the ON position Replace switch as required If the switch is OK causes are broken or loose wiring C
94. s or from Celsius to Fahrenheit 3 4 Press the Boil Mode L switch to display the cookpot temperature If an F follows the temperature the display is in Fahrenheit if a C follows the temperature the display is in Celsius 3 1 6 Shutting the 17EC 17ECS Down Turn the unit off by pressing the Power switch If shutting down at the end of the day drain and clean the cookpot and put the cookpot cover in place 3 2 Computer Magic Controller As Used EWBS Units Frymaster vi COMPUTER MAGIC 2 3 4 5 8 9 0 02060600 6 a lo kl LP gt LED Displays
95. s e 6 5 6 3 5 Replacing a Water Eevel Sensor 6 6 6 3 6 Replacing the Temperature ete ee piu 6 6 6 3 7 Replacing the Pressure Regulator or Solenoid Valve 6 7 6 3 8 Replacing the Water Faucet ed o e bear 6 7 6 3 9 Replacing a Basket Lift Motor or Microswatch 6 8 6 3 10 Replacing the Cookpot or Rinse o se 6 9 6 4 Technician Troubleshooting rec 6 11 6 4 How the Power Supply System Works A 6 11 6 4 2 How the Computer etu es EU e 6 11 6 4 3 How the Autofill Autoskim System Works 6 12 644 How the Water Heating System Works 6 12 64 5 How the Basket Lift System W orks eie teer treat 6 13 6 4 6 Technician Troubleshooting Guides 6 14 Troubleshooting 24VAC Power Supply System 6 14 Troubleshooting 24 Power to Computer 6 15 Troubleshooting the Autofill System et eaa et eta ter 6 16 Troubleshooting the Water Heating System 6 17 Troubleshooting the Basket Lift System 6 18 6 5 li REC 6 19 PRO
96. semblies Not illustrated 6 28 17ECS iagram D iring 6 6 HI LIMIT OPTIONAL AUTOFILL SOLENIOD 24 VAC 3C 53C GEAR BEK MOTORS 51C COM BASKET LIFT WHIT SHOWN IN NS 52C UP POSITION BASKET LIFT 4 64C BLK L s 65 BLK LC 2 WHT BLK KE 42C d CC 4H WHT 1 2 1 2 1 2 5H 4 4 43 4 VARISTOR 250V 4500A 61C 62C ORG RED RED RELAY 24vdc 1H 2H 3H 5H 47 48 WHT BLK 280 32 59 23C BRN 25C BRN RED BRN 57C WHT COM 21C ORG ORG lt 58C BLK TRANSFORMER lt TYPE LOW WATER SENSOR 1C BLK 2 HIGH WATER SENSOR SOUND DEVICE DO NOT MEASURE SOUNDING NO VOLTAGE NO VOLTAGE 2 3vdc WATER LEVEL WHEN HEATING PROBES BASKET LIFT DEPENDING ON WATER TEMP 27 33vdc WHEN OFF GROUND WHEN COMPUTER CONTROL FILLING 0 VOLTS 27 33vdc 24vac WHEN BASKET DOWN RELAY NOT FILLING 27 33vdc ALL READINGS REFERENCED TO GROUND WITH THE COMPUTER OPERATING BASKET UP S 05128865 6 29 6 7 Wiring Diagrams 17 5 LO LEVEL SWITCH HI LEVEL SWITCH 24 12V aS CRN REB BUZZER YLW CONTACTOR o e M2 d d 5 211 28 9 27 25
97. sor is grounded by contact with water in the cookpot If there is sufficient water in the cookpot to cover the heating element i e the lower water level sensor is grounded by contact with water in the cookpot the computer signals the contactor coil to close thereby energizing the heating element If the temperature of the water in the cookpot is below the cooking setpoint temperature programmed into the computer o appears the computer s LED display If the temperature of the water in the cookpot is within 11 F 6 C of the programmed setpoint appears in the computer s LED display If the SIMMER mode is selected by pressing the R button logic circuits in the computer monitor the temperature of the water and cycle power to the element on and off to maintain the temperature at the setpoint programmed into the computer See Chapter 3 for instructions on adjusting the setpoint If the BOIL mode is selected by pressing the L button the heating element remains continuously energized until the SIMMER mode is again selected NOTE The cooker has a high limit safety If the water in the cookpot falls below the low water level sensor but the sensor remains grounded for whatever reason thereby allowing the element to continue to heat the high limit switch will open when the element temperature reaches 400 15 F This cuts off power to the element The Autoskim feature is activated by placing
98. straint Kit Rack 4 Portion Cups for use with basket lifts Rack 9 Portion Cups cannot be used with basket lifts Not illustrated 7 19 BASKET LIFT COMPONENTS 09 7 20 823 2753 Arm Right Basket Lift as viewed from front of unit 823 2752 Arm Left Basket Lift as viewed from front of unit 910 7420 Top Basket Lift Enclosure 911 7417 Side Basket Lift Enclosure Right 912 7417 Side Basket Lift Enclosure Left 900 7421 Support Basket Lift Rod Bushing 826 1363 Screw 8 32 x 5 inch Slotted Truss Head Pkg of 25 902 1927 Bracket Left Basket Lift Roller 901 1927 Bracket Right Basket Lift Roller 809 0247 Nut 8 32 Hex Keps 809 0508 Bolt 4 20 x 4 inch Hex Head SS 810 0194 Roller Basket Lift 809 0047 Nut 4 20 SS 809 0082 Ring Truarc 810 0045 Bushing Basket Lift Rod 807 0108 Motor 240V AC Basket Lift 900 7416 Mount Basket Lift Motor 809 0113 Screw 8 32 1 inch Slotted Truss Head 809 0050 Nut 8 32 Hex 826 1358 Nut 6 32 Hex Pkg of 25 812 0138 Insulation Motor Mount Fishpaper 807 0240 Microswitch 809 0097 Screw 6 32 x 1 Slotted Truss Head 810 0052 Cam Bellcrank Basket Lift 809 0194 Washer 5 16 inch SAE Flat 809 0196 Washer SAE Flat 809 0063 Nut Jam 3
99. teps 1 and 2 to complete the procedure 7 3 5 Replacing a Water Level Sensor Drain the cookpot and disconnect the cooker from the electrical power supply Disconnect the sensor lead from the sensor remove the nuts securing the sensor in place and remove the sensor Install the replacement sensor as illustrated below and reconnect the lead Insulator must seat in hole before nut is tightened RT d 31 ji lt Inside cookpot 7 3 6 Replacing the Operating Thermostat or Temperature Probe Units with Manual Thermostat Controls l 2 Drain the cookpot and disconnect cooker from the electrical power supply Disconnect the rocker switch wires from the terminals of the thermostat body Loosen the Allen screw in the thermostat control knob and slip the knob off the thermostat shaft Remove the two screws securing the thermostat body to the mounting bracket and remove the thermostat body from the mounting bracket At the cookpot loosen the small nut in the center of the temperature probe fitting then unscrew the fitting from the cookpot Inside the cookpot remove the probe cover push the probe out of its retaining bracket and withdraw the probe from the cookpot Verify that the small nut in the center of the replacement temperature probe fitting is loose and that the fitting spins easily around the capillary tube Pass the thermostat bulb through the hole in the cookpot and
100. ter supply at the rear of the cooker Remove the basket lift arms from the unit and cut the metal wire ties securing the thermostat tube to the element 2 Reposition the cooker to allow clear access to the rear of the unit Remove the upper and lower basket lift panels 3 Atthe rear of the cookpot loosen the small compression nut and then unscrew the large fitting from the cookpot Pull the thermostat tube out through the rear of the cookpot Loosen the small compression nut first Unscrew the large fitting only after loosening the small compression nut 4 Detach the high limit thermostat leads 5C and 8C from the thermostat Remove the two screws securing the thermostat to the mounting bracket and remove the thermostat assembly from the cabinet NOTE It is not necessary to remove the bracket 6 4 5 Loosen the small compression nut in the large fitting on the replacement thermostat so that the large fitting will move freely on the capillary tube the thin flexible tube Carefully insert the replacement thermostat into the cookpot being careful not to bend the thermostat tube Position the tube along the inside of the left leg of the element as viewed from the front of the cooker and secure it in place with two metal wire ties Apply thread sealer to the large fitting and screw the fitting securely into the cookpot When the large fitting is tight pull gently on the capillary tube to remove any slack then screw the sma
101. the SKIM switch in the ON position When the feature is activated a logic circuit in the computer automatically opens the solenoid valve in the water supply line for three seconds every minute until the option is turned off by placing the switch in the OFF position On units equipped with faucets the faucet is turned on by placing the FAUCET switch in the ON position This opens a dedicated normally closed solenoid valve on the faucet water line The solenoid valve remains open until the switch is placed in the OFF position When a product button is pressed to initiate a cooking cycle the programmed cook time appears in the LED display and begins to count down When the specified cook time has elapsed an audible alarm sounds and the associated product button flashes Simultaneously logic circuits in the computer activate the appropriate basket lift motor lowering the basket into the cookpot As the motor drives the basket lift arm down a cam attached to the motor eventually loses contact with a roller activated microswitch and power to the motors is cut When the computer times out logic circuits reverse the switch positions so that the motor circuit is again completed and the motor is restarted raising the basket from the cookpot At the fully raised position the cam again makes contact with the microswitch cutting power to the motor and stopping the lift in the up position 7 2 7 2 Accessing Equipment for Servicing DANGER Moving th
102. the unit off and add cold water until the solution is cool Drain the solution and clean the frypot thoroughly Rinse the cookpot at least twice by filling with clean water and draining Dry the cookpot thoroughly with a clean dry towel THIS PAGE INTENTIONALLY LEFT BLANK ELECTRIC COOKER MODELS 17 17ECS ESW AND EWBS CHAPTER 4 PREVENTIVE MAINTENANCE Daily Preventive Maintenance It is normal for a coating of starch to form on the elements sensors and temperature probes during operation If the coating is allowed to build up it will adversely affect the operation of the equipment The preventive maintenance routines below should be performed at least daily to keep your equipment functioning at peak efficiency Inspect Equipment and Accessories for Damage Look for loose or frayed wires and cords leaks foreign material in cookpot or inside cabinet and any other indications that the equipment and accessories are not ready for safe operation Clean Cabinet Inside and Out Clean inside the cabinet with a dry clean cloth Wipe all accessible metal surfaces components to remove accumulations of oil dust or cooking residue Clean the outside of the cabinet with a clean cloth dampened with dishwashing detergent removing oil dust or cooking residue A DANGER Never attempt to clean this equipment during the cooking process or when the cookpot is filled with hot water and or food products Clean Water Level Sens
103. there must be some mineral content in the water pure water is non conductive Consequently the units will not operate with distilled water If distilled highly filtered or purified water is used add of baking soda to the water each time the cookpot is emptied and refilled When the AutoSkim feature is activated by pressing the skim switch on the computer a logic circuit in the computer automatically opens the solenoid valve for three seconds every minute until the switch is again pressed If the Autofill feature is working properly failure of the AutoSkim feature will be due to a malfunctioning computer and not the solenoid valve Proper operation of the Autofill feature can be determined by draining water from the cookpot until the water level is below the upper water level sensor If the solenoid valve opens and then closes when the water in the cookpot again reaches the upper water level sensor the Autofill feature is working properly 6 4 4 How the Water Heating System Works To prevent energizing the heating elements when there is no water in the cookpot these units are equipped with a low water level sensor This sensor must be grounded by contact with water in the cookpot before the control circuitry will apply power to the elements Starch or lime build up on the low water level sensor may keep the ground from forming therefore always make sure the sensor is clean and its lead Pin 7 of the computer wiring harness is firml
104. this equipment A DANGER For your safety do not store or use gasoline or other flammable liquids or vapors in the vicinity of this or any other appliance A DANGER This equipment is intended for indoor use only Do not install or operate this equipment in outdoor areas A DANGER Do not operate this equipment unless it has been properly installed and checked by qualified personnel DANGER Do not operate this equipment unless all covers and access panels are in place and properly secured A DANGER Do not attempt to repair or replace any component of this equipment unless power to the unit has been disconnected A DANGER If the power supply cord is damaged it must be replaced by the manufacturer or its service agent or similarly qualified persons in order to avoid a hazard A DANGER Use caution when setting up operating or cleaning this equipment to avoid contact with heated surfaces A DANGER Do not use water jets to clean this equipment ELECTRIC COOKER MODELS 17 17ECS ESW AND EWBS TABLE OF CONTENTS CHAPTER 1 General Information 1 1 Parts Ordering and Service Information 1 1 1 2 Safety Information ERE RR C ERREUR 1 1 1 3 Equipment Description a 1 2 1 4 Installation Operating and Service Personnel h 1 3 1 5 Defiitions 1 3 1 6 Shipping Damage Claim Procedure 1 4 CHAPTER 2 Installation Instructions 24 General Installation Requirements 2 1 22 Caster
105. und 15 lost when the sensor is not in contact with water in the cookpot Starch or lime build up on the sensor may keep a ground from forming Therefore always make sure the sensor is clean and its lead is firmly connected to Pin 1 of the 6 pin connector on the interface board units with manual controls or connector J5 on the interface board units with computer controls Also in order for the ground to form there must be some mineral content in the water pure water is non conductive Consequently the units will not operate with distilled water If distilled highly filtered or purified water is used add of baking soda to the water each time cookpot is emptied and refilled In units with manual controls the 24VAC is supplied via Pins 1 and 2 of the 4 pin connector on the interface board so long as the upper water level sensor is not in contact with the water in the cookpot In units with computer controls 24VAC is continuously supplied to one leg of the circuit via Pin 6 of the 15 pin connector on the front of the contactor box The other leg 15 supplied via Pin 2 of the 12 pin connector on the interface board so long as the upper water level sensor is not in contact with water in the cookpot In either case when the water in the cookpot reaches the upper water level sensor the sensor is grounded This causes logic circuits in the interface board to cut the 24V AC to the solenoid closing the valve If the SKIM switch is placed
106. ve the basket lift arms from the lifter rods and then reposition the cooker to gain access to the rear Remove the upper and lower basket lift rear panels Unplug the basket lift wiring harness from the lower 6 pin connector on the component box To do this you must reach around behind the component box from the front of the cooker Disconnect basket lift wiring harness from this connector Disconnect the basket lift link from the lifter cam bell crank assemblies one at a time When the link is disconnected from a cam slip the corresponding lifter rod down and out of the assembly see illustration below Lifter Rods L Link SEI Disconnect the basket lift link from the lifter cams and slip the lifter rods down and out of the assembly Remove the four bolts securing the motor mount to the frame then remove the motor and mount assembly from the unit NOTE It is possible to replace a motor or the microswitch without removing the motor and mount assembly but it is much more difficult Dismount the motor or microswitch as shown below and install the replacement NOTE The right motor dismounts in the same way as the left Loosen setscrew in bottom of cam bell crank 8 Reverse Steps 1 7 to complete the procedure 6 8 6 3 10 Replacing the Cookpot Rinse Tank l Remove the faucet assembly from the cooker in accordance with Steps 1 4 of Section 6 3 8 Remove th
107. y connected In order for the ground to form there must be some mineral content in the water pure water is non conductive Consequently the units will not operate with distilled water If distilled highly filtered or purified water is used add of baking soda to the water each time cookpot is emptied and refilled In addition to the low water level sensor discussed above the water heating system has six more parts the high limit thermostat the temperature probe the contactor the element a group of three solid state relays and the computer The high limit thermostat functions as a normally closed switch If the water in the cookpot falls below the low water level sensor but the sensor remains grounded for whatever reason the high limit switch will open when the element temperature reaches 400 F 15 204 C 9 This cuts power to the contactor coil and thus to the element 6 11 The temperature probe is used only when the unit is in the simmer mode When the operator selects the simmer mode logic circuits in the computer monitor the temperature of the water and cycle power to the element on and off as required to maintain the temperature at the setpoint programmed into the computer The contactor is the terminal block to which the element leads are connected and where actual contact is made between the leads and the line voltage Built into the contactor 15 a 24 coil that energizes when the master ON OFF switch

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