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Vollrath Stoelting E131-OT2, Руководство по обслуживанию

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This manual provides basic information about the machine. Instructions and suggestions are 
given covering its operation and care.

The illustrations and specifi cations are not binding in detail. We reserve the right to make 
changes to the machine without notice, and without incurring any obligation to modify or pro-
vide new parts for machines built prior to date of change.

DO NOT ATTEMPT to operate the machine until instructions and safety precautions in this 
manual are read completely and are thoroughly understood. If problems develop or questions 
arise in connection with installation, operation, or servicing of the machine, contact Stoelting.

Stoelting Foodservice Equipment
502 Highway 67
Kiel, WI  53042-1600
U.S.A.

Main Tel: 800.558.5807
Fax: 920.894.7029

Customer Service: 888.429.5920
  Fax: 800.545.0662
  Email: [email protected]

© 2014 PW Stoelting, LLC

stoeltingfoodservice.com

https://appliancetechmanuals.com

Содержание Stoelting E131-OT2

Страница 1: ...Model E131 OT2 F131 OT2 SERVICE MANUAL Manual No 513648 Rev 0 https appliancetechmanuals com ...

Страница 2: ...https appliancetechmanuals com ...

Страница 3: ... date of change DO NOT ATTEMPT to operate the machine until instructions and safety precautions in this manual are read completely and are thoroughly understood If problems develop or questions arise in connection with installation operation or servicing of the machine contact Stoelting Stoelting Foodservice Equipment 502 Highway 67 Kiel WI 53042 1600 U S A Main Tel 800 558 5807 Fax 920 894 7029 C...

Страница 4: ...information the following safety defini tions are provided to assist the reader The purpose of safety symbols is to attract your at tention to possible dangers The safety symbols and their explanations deserve your careful attention and understanding The safety warnings do not by themselves eliminate any danger The instructions or warnings they give are not substitutes for proper accident preventi...

Страница 5: ...ng 13 3 4 Disassembly of Machine Parts 14 3 5 CleaningDisassembledParts 15 3 6 Sanitizing Machine Parts 15 3 7 CleaningtheMachine 15 3 8 Assembling the Machine 16 3 9 Sanitizing 16 3 10 InitialFreezeDownandOperation 17 3 11 NormalFreezeDownandOperation 18 3 12 MixInformation 18 4 Maintenance and Adjustments 4 1 MachineAdjustment 19 4 2 Product Consistency Adjustment 19 4 3 Locking the Control Pane...

Страница 6: ...llaryTube 34 6 Electrical and Mechanical Control Systems 6 1 IntelliTecController 35 6 2 Contactors 35 6 3 DriveMotor 36 6 4 Capacitors 37 6 5 Gearbox 38 6 6 Condenser Fan Motor Air Cooled Models Only 38 6 7 Spigot Switch 39 6 8 TemperatureControlSensor 40 7 Troubleshooting 7 1 ErrorCodes 41 7 2 Troubleshooting 41 7 3 ServicingTip 43 7 4 Troubleshooting Machine 44 8 Replacement Parts 8 1 Decals Lu...

Страница 7: ...o operate with almost any type of commercial softserveornon dairymixesavailable including icemilk ice cream yogurt and frozen dietary desserts Thismanualisdesignedtoassistqualifiedserviceperson nelandoperatorsintheinstallation operationandmainte nance of the Stoelting E131OT2 and F131OT2 gravity machine Figure 1 2 Specification 1 2 SPECIFICATIONS Figure 1 1 E131OT2 F131OT2 Machine https appliancet...

Страница 8: ...Two 0 5 gallon 2 quart 1 89 liters 8 600 Btu hr R 404A Two 3 4 hp Air cooled units require 3 7 6 cm air space on both sides Two 3 gallon 11 35 liters Water cooled units require 3 8 N P T water and drain fittings E131OT2 Refrigerant R 404A Charge W C 26 oz A C 32 oz Suction Pressure at 72 F One Cylinder 22 24 psig Hopper Only 14 psig Discharge Pressure 225 235 psig Hot Gas Bypass Pressure 14 psig o...

Страница 9: ...ylinder 11 5 GPH 43 53 liters both Freezing Cylinders with crate 28 71 1 cm 40 1 4 102 2 cm 35 1 4 89 5 cm 470 lbs 213 1 kg 385 lbs 174 6 kg 1 Phase 208 230 VAC 60Hz approximately 12A NEMA6 20P power cord provided F131OT2 Refrigerant R 404A Charge W C 32 oz A C 42 oz Suction Pressure at 72 F One Cylinder 22 24 psig Hopper Only 14 psig Discharge Pressure 225 235 psig Hot Gas Bypass Pressure 14 psig...

Страница 10: ...tir analyzes product consistency The pre stir check is also performed each timethespigothandleisopened Thischeckpreventsover freezing of product especially during frequent small vol ume draws If the product requires a freezing cycle the control will start the cycle During the Serve Mode a stir cycle starts This cycle is independent of the freezing cycle and is based on preset times StirOnandStirOf...

Страница 11: ...his occurs the control will move to Serve Mode If the spigot is opened at this time the product will be liquid The operator must wait until the first Serve Mode freezing cycle has completed to serve product Refer to Figure 1 6 for a graphical representation of the Sleep 2 Mode F INTELLITECRESTART VERSION3 5ORHIGHER If a hard error occurs refer the hard error list below the IntelliTec control will ...

Страница 12: ... display panel The error code prevents damage to the machine that could occur during an extended clean mode Refer to Section 8 Troubleshooting for details To clear this error place the Freezing Cylinder Off On switch in the Off position and back in the On position If the machine is stillbeingcleaned pushingtheCLEANbuttonwillresetthe timer and restart the Clean Mode 1 4 MIX LEVEL INDICATORS Thehopp...

Страница 13: ...emperature Sl2CtOut 30 F 30 5 F Sleep 2 Cut out temperature DftOffTm 600 sec 600 sec No Sensor Default off time Used in case of sensor failure Storage Menu DISPLAY MODE DEFINITION Refriger All Set to None 1 Hopper 2 Hopper or Cabinet HprCutIn All Refrigerated cab cut in temperature HprCtOut All Refrigerated cab cut out temperature Hpr Off No Sensor Default off time Used in case of sensor failure H...

Страница 14: ...8 https appliancetechmanuals com ...

Страница 15: ...eted by a qualified electrician refrigeration specialist Incorrect installation may cause personal injury se vere damage to the machine and will void factory warranty Installation of the machine involves moving the machine close to its permanent location removing all crating setting in place assembling parts and cleaning A Uncrate the machine B Accuratelevelingisnecessaryforcorrectdrainage of mach...

Страница 16: ...10 https appliancetechmanuals com ...

Страница 17: ...il the main electrical power has been disconnected G Donotoperateunderunsafeoperatingconditions Neveroperatethemachineifunusualorexcessive noise or vibration occurs 3 2 OPERATING CONTROLS AND INDICATORS Before operating the machine it is required that the operatorknowthefunctionofeachoperatingcontrol Refer toFigure3 1forthelocationoftheoperatingcontrolsonthe machine For the information regarding e...

Страница 18: ... and the drivemotorwillstart ACLEANmessagewilldisplayonthe LCD screen along with a 5 minute countdown timer To exittheCLEANmode turntheFreezingCylinderOFF ON switch to the OFF position or press the CLEAN button again If the machine is left in CLEAN for more than 20 minutes anerrorcode E4 willbedisplayedonthedisplay panel Place the Freezing Cylinder OFF ON switch in the OFF position and back in the...

Страница 19: ...al milkstone Thorough cleaning pro cedures that involve milkstone removal are critical for operators of frozen dessert machines SANITIZING Kills bacteria Can be effective on clean surfaces only NOTE Using a SANITIZER on an unclean surface will not guarantee a clean and safe frozen dessert machine PROPER DAILY MAINTENANCE The Only Way to Assure Food Safety and Product Quality Proper daily maintenan...

Страница 20: ...hat is why you can smell it Sanitizingsolutionsshouldnotbeallowedtofallbelow100 ppm chlorine New solutions should be mixed once old solutions become ineffective 3 4 DISASSEMBLY OF MACHINE PARTS Before using the machine for the first time complete machinedisassembly cleaningandsanitizingprocedures needtobefollowed Routinecleaningintervalsandproce dures must comply with the local and state health co...

Страница 21: ...by pulling from the front panel Clean and replace the drip tray B DISASSEMBLYOFAUGER 1 Removethefrontaugersupportandbushing 2 Remove the auger assembly from the machine Pulltheaugeroutofthemachinebarrelslowly As the auger is being pulled out carefully remove each of the plastic flights with springs 3 Keeptherearoftheaugertippeduponceitisclear of the freezing cylinder to prevent the rear seal assem...

Страница 22: ...points straight up I Apply a thin layer of sanitary lubricant to the o ringsonthespigotbodyandinstallthespigotbody through the bottom of the front door K Apply a thin film of sanitary lubricant to the door seal o ring and fit it into the groove on the rear of the front door M Place the front door assembly on the mounting studsandthepushfrontdooragainstthemachine carefully N Securethefrontdoortothe...

Страница 23: ...ow button once The display will read CutOut amps 8 Press the SET button A cursor will start blinking under the far right digit 9 Change the value to 8 0 Press the left arrow button to move the cursor Press the up arrow button to increase the digit When a digit reaches 9 pressing the up arrow button again will change the value to 0 10 After entering 8 0 press SET to save this value The LCD will rea...

Страница 24: ...button NOTE After the drive motor starts there is a 3 second de lay before the compressor starts G When the product is at 75 consistency the display will read SERVE Open the spigot to dispense product H The machine dispenses product at a reasonable drawrate Ifthemachineisoverdrawn theresultis a soft product or a product that will not dispense at all If this occurs allow the machine to run for appr...

Страница 25: ...o prevent unauthorized use When set all buttons on the control panel are disabled Follow the instructions below to lock the control panel A Press and hold the PUSH TO FREEZE button for at least 5 seconds B While still holding the PUSH TO FREEZE button press the CLEAN button once C Release both buttons An asterisk will appear on the bottom line of the display indicating that the control is in the l...

Страница 26: ...20 Figure 4 2 IntelliTec Control Menu Settings https appliancetechmanuals com ...

Страница 27: ...his reading counts down the number of cycles in the current Serve Mode The starting value is dependantupontheCyclessettingontheIntelliTec control F and amps Suction line temperature on the freezing cylinder and drive motor amps are available on the same screen to assist with setup and troubleshooting Aux Temp F This reading provides the ambient temperature around the IntelliTec control Supply V VA...

Страница 28: ...hanges the temperature at which the freezing cycle starts ThisvaluealongwiththeCutOutvaluedetermines therangeoftemperatures or temperaturewindow of the product Decreasing the temperature decreases the temperature window and under normal use increases the amount of freezing cycles This creates a greater chance of product breakdownbystirringtheproductoften Increasing the Cut In T increases the tempe...

Страница 29: ... temperature sensor in the hopper fails this setting determines the time between hopper refrigeration cycles This setting is only available on the left control Hpr On sec If the temperature sensor in the hopper fails this setting determines the length of the hopper refrigeration cycle This setting is only available on the left control 4 8 DRIVE BELT TENSION ADJUSTMENT To check belt tension refer t...

Страница 30: ...ug administration require that lubricants used in food zones be certified for this use Use lubricants only in accordance with the manufacturer s instructions A Daily checks Checkforanyunusualnoiseorconditionandrepair immediately B Monthly checks Check the condenser filter for dirt Refer to section 4 9 C Quarterly Checks Check drive belts for wear and tighten belts if necessary Refer to section 4 8...

Страница 31: ...with refrigerants must be certified as a Techni cian TYPE I as required by 40 CFR 82 Subpart F and hold all State and or local refrigerant handling certifications In addition all handling storage and disposal of refrigerants must be in accordance with Environmental Protection Agency EPA guidelines and standards and all State and local guidelines and standards SECTION 5 REFRIGERATION SYSTEM WARNING...

Страница 32: ...dterminal to insulate it 6 Removebeltsfromthepulleystoallowdrivemotors to spin freely 7 Connect power to the machine 8 TurntheMainPowerOFF ONswitchandFreezing Cylinder OFF ON switches to the ON position 9 PressthePushToFreezebuttononbothIntelliTec controls This will energize the solenoid valves 10 Evacuate the system until the gauge reads 300 microns of mercury 300µ Hg for 5 continuous minutes NOT...

Страница 33: ... F Tocheckifwindingsareshortedtoground connect one ohmmeter lead to a bare metal part on the compressor suchasanycopperlineleadingtoor from the compressor and check terminals C R and S NOTE The compressor is equipped with an internal over load protector If the compressor is warm and ohm meter readings indicate an open winding allow up to one hour for overload to reset B COMPRESSORREMOVAL A Disconn...

Страница 34: ...s for proper air flow The water cooled condenser is a tube and shell type This condenser requires cool clean water to function properly Inlet and discharge lines must be 3 8 ID minimum CONDENSERTESTING The condenser can be checked for leaks using the bubble test or using a leak detector 5 6VALVES A AUTOMATICEXPANSIONVALVE AXV TheAutomaticExpansionValve AXV isusedtometerthe refrigeranttothefreezing...

Страница 35: ...uctions in Section 5 9 G EvacuatethesystempertheinstructionsinSection 5 2 H RechargethesystempertheinstructionsinSection 5 3 B CHECKVALVE Themachinehas3magneticcheckvalves RefertoFigure 5 6 Each valve is positioned in the suction line and preventsbackflowofrefrigerantintotheevaporator Ifthere isreversedflow theproductinthefreezingcylindersoftens and liquid refrigerant can flood into the compressor...

Страница 36: ...ain Power OFF ON switch and both Freezing Cylinder OFF ON switches to the OFF position NOTE If the machine does not have a Main Power switch turn the right side Freezing Cylinder switch OFF and listen to make sure the left freezing cylinder is not calling for refrigeration B Connect a gauge to the Schrader valve on the suction line next to the compressor C Wait until the gauge stops moving D Unscr...

Страница 37: ...em to stabilize for 5 minutes to ensure pressure remains stable EPRREMOVAL A Remove the left side panel and front panel B Recover refrigerant charge per instructions in Section 5 2 C Leave the suction and discharge ports open to preventpressurebuildupduringEPRremoval D Unsweat the EPR and remove EPRREPLACEMENT To replace the EPR perform the following procedures A Apply a heat sink wet cloth to the...

Страница 38: ...ater and check for leaks in the water lines with the refrigeration system running J Adjust the valve as necessary 5 7 SOLENOID Solenoidvalvesareinstalledontheliquidandsuctionlines ofeachfreezingcylinderevaporatorandontheliquidlineof thehopperevaporators RefertoFigure5 11andFigure5 12 A solenoid valve has a magnetic coil that when energized liftsaplungerandallowsrefrigeranttoflow The solenoids are ...

Страница 39: ... Main Power OFF ON switch and both Freezing Cylinder OFF ON switches to the ON position F Start a freezing cycle by pressing the Push To Freeze button or by pulling on the spigot handles G The gauges should show approximately 14 psig after 1 minute H Watchthepressureinbothfreezingcylinders The freezing cylinder with the greatest pressure rise may have a leaking valve seat SOLENOIDMAGNETICCOILREMOV...

Страница 40: ...rge the system per instructions in Section 5 3 5 9 CAPILLARY TUBE The capillary tube meters refrigerant flow in the mix line evaporator Refer to Figure 5 14 The amount of flow is dependentonthelengthandIDofthecapillarytubeaswell as the refrigerant charge CAPILLARYTUBEREMOVAL NOTE The capillary tube assembly contains a drier The entire assembly must be removed A Recover refrigerant charge per instr...

Страница 41: ...ngcylinderandthehopper therightsidemembrane switch controls the right freezing cylinder The IntelliTec control boards are mounted in the same respect the left control board runs the left side and the right control board runs the right side 6 2 CONTACTORS The compressor and drive motor contactors are mounted inside the electrical box behind the right side panel There is one contactor for the compre...

Страница 42: ...ally check the IntelliTeccontrolboard 2 Check for a signal going to contactor When the spigot is opened or the Push To Freeze button is pressed the DRV LED on the control board will light up After three seconds the CMP LED will lightup RefertoFigure6 4 IftheLEDsdonotlight up refer to Section 7 Troubleshooting NOTE In addition to the LEDs lighting there will be an au dible click from the contactors...

Страница 43: ...capacitor by connecting a 20KÙ 5W resistor across the terminals NOTE Discharge the capacitor even if there is a bleeder resistor across the terminals There may be an open in the bleeder resistor preventing it from working properly 5 Disconnect the bleeder resistor from the circuit 6 Measure the capacitance across the terminals The results should be as follows WARNING Hazardous voltage The Main Fre...

Страница 44: ...th a 20KÙ 5W resistor across the terminals NOTE Discharge the capacitor even if there is a bleeder resistor across the terminals There may be an open in the bleeder resistor preventing it from working properly 5 Pull the capacitor out of its holder and replace 6 Connect the leads to the terminals of the new capacitor 6 5 GEARBOX A GEARBOXINSPECTION Inspectthegearboxandlistenforunusualnoise Agrindi...

Страница 45: ...uitbyunplugging the connectors 2 Check resistance readings across the common COM andnormallyclosed NC terminals When the spigot is closed the resistance should show anopen Whenthespigotisopened theswitchwill close and the resistance should be 0 ohms SPIGOTSWITCHADJUSTMENT 1 Place the Main Power OFF ON switch and both Freezing Cylinder OFF ON switches in the OFF position 2 Removetheheaderpanel 3 Lo...

Страница 46: ...nd tighten 11 Replacetheheaderpanelandsecurewiththetwo Phillips head screws 6 8 TEMPERATURE CONTROL SENSOR The temperature control sensor is a thermistor used to sense the temperature of the suction line As the suction line temperature increases the internal resistance of the thermistor will decrease Refer to Figure 6 10 for the relationship between sensor resistance and temperature The IntelliTec...

Страница 47: ... If thelevelmixislow addmix Ifthereisapossibility thatthemixisbrokendown cleanandsanitizethe machine and replace the mix with fresh product Ice crystals in the hopper can clog the mix inlet regulatorandpreventmixfromenteringthefreezing cylinder Thoroughlythawmixpermanufacturer s recommendations Tocheckforicecrystals pour a small amount of product in the mix container through a clean and sanitized ...

Страница 48: ...e Freezing Cylinder Off On switch in the Off position Press the High Pressure Cutout Reset switch water cooled only and place the Freezing Cylinder Off On switch back in the On position Inaircooledcondensermodels checktheairfilter to make sure it is clean Replace or clean the filter asrequired Checkforproperairclearancearound the machine Refer to the Section 2 Installation Instructionsforclearance...

Страница 49: ...uption between the display andthecontrolboard Thiserrorcanbecausedby a poor connection or a faulty phone cable Disconnectandreconnectthetelephonecableat the control board If the error does not clear disconnectandreconnectthetelephonecableat thedisplaypanelmodule Iftheerrorstillappears the cable may be faulty or the display panel module may be faulty Alternating Flashing Control Panel Lights On mac...

Страница 50: ...n 3 10 5 Remove mix clean sanitize and freeze down with fresh mix 6 Remove mix clean reassemble sanitize and freeze down 7 Check system See Section 5 Product does not dispense 1 No mix in hopper 2 Capacity of machine is being exceeded 3 Drive motor overload tripped 4 Drive belt failure 5 Freeze up Auger will not turn 1 Fill hopper with mix 2 Slow up on the draw rate 3 Wait for automatic reset If c...

Страница 51: ...rl Logo Drip Tray Support 1 324509 Decal Cleaning Instructions 1 324566 Decal Wired According To 1 324584 Decal Adequate Ventilation 3 1 324592 Decal Hold Ready 1 324593 Decal Power 1 324594 Decal Attention Heat Sensitive 1 324612 Decal Control 1 324686 Decal Danger Automatic Start 1 324803 Decal Domed Stoelting Logo Large Header Panel 1 324804 Decal Domed Stoelting Swirl Header Panel 1 324806 Dec...

Страница 52: ...46 8 2 AUGER SHAFT AND FACEPLATE PARTS https appliancetechmanuals com ...

Страница 53: ...24678 5 O Ring Rear Seal Black 5 Pack 2 625133 O Ring Front Door Red 2 666786 Seal Rear Auger Black 2 694255 Spring Auger Flight 6 E131 8 F131 744260 SV Tray Drip 1 744273 Tray Drain Black Plastic 1 1159501 O Ring Bushing Kit 1177429 O Ring Spigot Extension Kit 2149243 01 Mix Inlet Assembly 3 16 Hole Standard Length 2A 2 2177072 Extension Spigot 1 5 2177073 Extension Spigot 2 5 2177074 Extension S...

Страница 54: ...be Assembly Hopper 2 2187805 Handle Spigot Metal Only 3 3158185 Handle Lifting Metal 1 Part Description Quantity 232091 Cap Protective Gray 490716 Leg 4 490716 Leg 4 647653 Screw Panel 2187906 SV Panel Front 1 3157964 SV Panel Side w Insulation 2 3159551 SV Panel Rear w Insulation Water Cooled 1 3183224 SV Panel Rear w Insulation Air Cooled 1 3183225 SV Panel Rear w Insulation Water Cooled 1 71902...

Страница 55: ...enoid 763723 Valve 2 458003 Indicator Liquid Line 1 763017 Valve Hot Gas Bypass 1 763422 Valve Solenoid Liquid Line 3 763423 Valve Solenoid Suction Side 2 763482 Valve Coil Solenoid 763422 3 2171962 Sensor Probe Kit 1 4183213 Evaporator Assembly 2 F131 4183218 Evaporator Assembly 2 E131 E131 4183213 F131 4183218 8 5 LEFT SIDE https appliancetechmanuals com ...

Страница 56: ...6 230 E131 230633 F131 231084 E131 230632 F131 231079 744142 295005 295017 765214 762978 342020 E131 439171 E131 282045 F131 282032 231107 342004 618157 8 6 RIGHT SIDE 8 7 FRONT VA 0070 https appliancetechmanuals com ...

Страница 57: ...G 1 332541 Board Display Module 2 439171 Heater Crankcase 282045 Compressor 1 E131 521686 230 Program Board IntelliTec 208V 230V 2 618157 Relay Start R404A Compressor 1 618142 Relay Start 282050 282052 Compressors 1 744142 Transformer 1 765214 Varistor Harness 6 Part Description Quantity 231107 Cap Tube 1 282032 Compressor Copeland 1 PH 60 Hz No Capacitors 1 F131 282045 Compressor Copeland 1 PH 60...

Страница 58: ...52 E131 284071 F131 284084 522291 162077 430119 522858 SV 152323 598245 614233 598072 762275 8 8 REAR https appliancetechmanuals com ...

Страница 59: ...91 Motor Fan 50 60 Hz 1 598072 Pulley Drive Motor 60 Hz 2 598100 Pulley Drive Motor 50 Hz 2 598245 Pulley Speed Reducer 2 614233 Speed Reducer 2 718710 High Pressure Cutout Water Cooled 1 F131 762275 Valve Magna Check 3 763181 Valve Water Water Cooled 1 F131 8 8 REAR CONTINUED 8 9 SPIGOT CAM ASSEMBLY Part Description Quantity 428045 Knob Spigot Handle Black 3 570961 Pin Cotterless Clevis Spigot Ha...

Страница 60: ...54 8 9 REFRIGERATION DIAGRAM WIRING DIAGRAM 01 2 3 3 3 3 https appliancetechmanuals com ...

Страница 61: ...55 https appliancetechmanuals com ...

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