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Operation Manual - Whaley Food Service

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1. Part Number Description Quantity 149003 Bushing Front Auger Support 2 381804 Auger Flight Has 4 per Barrel 8 482004 Knob Air Bleed Valve amp Spigot Body Adjustment 2 482019 Knob Front Door Black 4 624520 5 O Ring Air Bleed Valve Black 5 Pack 2 624598 5 O Ring Outside Spigot Black 5 Pack 4 624614 5 O Ring Top amp Bottom Center Spigot Black 5 Pack 2 624664 5 O Ring Middle Center Spigot Black 5 Pack 1 624678 5 O Ring Rear Seal Black 5 Pack 2 625133 O Ring Front Door Red 2 667868 Seal Rear Auger Orange 2 694200 Spring Air Bleed Valve 2 694255 Spring Auger Flight 8 1151859 Adapter Rear Seal 2 2183106 Valve Air Bleed 2 2183110 Door w Pins 1 3158086 Spigot Body Center 1 3159696 Spigot Body Outer 2 3170644 Support Front Auger 2 4183078 Auger Shaft 2 36 6 3 CAB TUBING ASSEMBLY 756204 40 FREEZING CYLINDER 264243 TEE MUST BE INSTALLED IN 694247 264235 THIS POSITION 376041 264243 END MUST BE IN SPRING ROUNDED END CHECK VALVE MUST BE INSTALLED IN THIS ORIENTATION Part Number Description Quantity 264235 Clamp Metal 1 4 ID Tubing 10 264241 Clamp Metal 1 2 ID Tubing 4 264243 Clamp Metal 3 8 ID Tubing 8 375819 Elbow Barbed 3 8 1 4 2 376041 Tee Connector 3 Way Stainless 2 624607 5 O Ring Check Valve Body Black 5 Pack 2 694247
2. and left arrow lt buttons on the membrane switch A printed IntelliTec Menu Settings sheet is located in the information pouch behind the header panel IntelliTec Control Readings To obtain machine readings locate the value on the machine s menu settings sheet and follow the steps below A Press and hold the SEL button for 8 seconds While still holding the SEL button press the up arrow button fl The LCD screen will read DISPLAY Release both buttons Press the up arrow button to navigate to the correct reading under DISPLAY or press the left arrow lt button to navigate to the ERRCODES menu Press the up arrow and left arrow lt buttons to navigate through the rest of the readings as needed When all readings have been obtained press the up arrow button fl from ExitMenu to return to the current mode display Modifying Control Settings To change the value of a system function locate the function on the IntelliTec Settings Menu and follow the steps below IMPORTANT Before making changes to any settings record the original values If the setting changes do not achieve desired results return settings to their original val ues A Press and hold the SEL button for 8 seconds While still holding the SEL button press the up arrow button 1 The LCD Screen will read DISPLAY B Release both buttons C Press the left arrow button lt to getto the correct menu Basic A
3. STOELTING FOODSERVICE EQUIPMENT Model F431 OWNER S MANUAL Manual No 513604 Rev 3 STOELTINGe OWNER S MANUAL FOR MODEL F431 CAB MODEL SOFT SERVE PRESSURIZED MACHINE This manual provides basic information about the machine Instructions and suggestions are given covering its basic operation and care The illustrations and specifications are not binding in detail We reserve the right to make changes at any time without notice to the machine and its components without incurring any obligation to modify or provide 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 andare thoroughly understood If problems develop or questions arise in connection with installation operation or servicing of the machine contact the company at the location listed below STOELTING LLC Tele 920 894 2293 502 Hwy 67 Kiel WI 53042 1600 Fax 920 894 7029 TABLE OF CONTENTS Section Description Page Section 1 Introduction 1 1 CE 1 1 2 eee LE 2 Section 2 Installation Instructions 2 1 Safety Precauti ns ize rs 3 2 2 Shipment amp Transit sess enne nnne 4 2 3 Machine Installation ecean e nn nnncnnnnn enne 4 24 Installing Permanent Wiring m 4 2 5 Mss een 5 Section 3 Initial Set Up and Operation 3 1 Safety Precauti
4. See Section 4 7 2 Close the cab door Increase CabCtOut and CabCutln See Section 4 7 5 4 TROUBLESHOOTING MIX PUMP POSSIBLE CAUSE REMEDY Supply power to pump Check for low voltage Disconnect pump from power source Remove PROBLEM Pump motor does not run Pump operates but cylinder will not fill Overrun too low or no overrun Power to pump is off Low voltage Mix pump hose jammed inside black cover clamp Pump motor overloaded Defective motor capacitor Defective toggle switch four cover clamp thumb screws Separate cover clamp halves and remove outer half Remove jammed hose Clean and re install cover clamp and tighten four thumb screws securely Allow motor thermal overload to reset Allow internal thermal overload to reset Pressure switch on pump is defective 5 determine overload cause and repair Check mechanical operation and continuity of pressure switch Check motor amperage draw and or capacitor Replace motor or capacitor Check continuity repair or replace NOTE 1 A PROPERLY WORKING PUMP WILL FILL AN 8 OZ CUP WITH MIX IN ABOUT 9 SECONDS NOTE 2 IMMEDIATELY AFTER A BAG CHANGE THE PUMP MAY BE UNABLE TO REESTABLISH ITS PRIME WITH THE SYSTEM AT OPERATING PRESSURE IN THIS CASE TURN THE PUMP OFF DRAW 2 3 PINTS TO REDUCE SYSTEM PRESSURE TO ZERO TURN PUMP ON PURGE REMAINING AIR IN MIX BAG AND PICK UP HOSE IMPORTANT Before connecting
5. position Press the SET button on the Control Panel once Fine Adj will appear on the LCD screen B Press the up arrow button ff until the desired consistency setting is displayed The higher the number the firmer the product consistency The control may be setfrom 1 to 9 The value increases by 1 each time the up arrow button is pressed After the value reaches 9 numbering restarts at 0 The 0 setting cannot be set Press the SET button once to save the setting and return to the current mode display FREEZE CLEAN STOELTING 44 A Polar Ware Company Figure 4 1 Caption 21 4 3 LOCKING THE CONTROL PANEL The IntelliTec control has a tamper proof mode to 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 lock out mode NOTE Repeat steps A B and C to unlock the control panel 4 4 OBTAINING READINGS AND MODIFYING SETTINGS SERVICE PERSONNEL ONLY Readings and settings on the IntelliTec control are ac cessed through the IntelliTec control menu settings Lo cating machine readings and system function settings are done using the up arrow
6. 3 3 3 14 MIX PUMP CLEANING The mix pump is approved for CIP clean in place and is thoroughly cleaned as cleaning solutions are pumped through the machine We recommend completely disas sembling the pump and disconnecting tubing every 14 days for inspection of parts to confirm the CIP has been properly performed If any residue is detected clean or replace those parts as outlined below A Place the Main Power OFF ON and Freezing Cylinder OFF ON switches ON position and press the CLEAN button Allow the auger to agitate for 5 to 10 minutes Remove suction tube from mix container Draw off the mix remaining in machine barrel Pump 2 gallons 7 5 liters of potable water through machine until water at spigot is free of mix Pump 2 gallons 7 5 liters of 90 to 110 F 32 C to 43 C detergent solution water through machine The use of soft water is recommended along with dishwashing detergents such as Joy Dawn or equivalent Place mix pump switch in OFF position Open spigot to relieve remaining pressure Press the CLEAN button to stop the auger and place the Main Power OFF ON and Freezing Cylinder OFF ON switches in the OFF position 3 15 DISASSEMBLY AND INSPECTION OF REMOVABLE PARTS Inspection of removable parts should be made whenever maintenance is performed or pump requires disassembly Hazardous Moving Parts Revolving pump head can grab mangle and cause serious crushing injury The Main Power OF
7. 5 minutes then remove and let air dry completely before assembling in machine 3 7 CLEANING THE MACHINE The exterior should be keptclean atalltimesto preservethe lustre ofthe stainless steel A high grade of stainless steel has been used onthe machine to ease cleanup To remove spilled or dried mix simply wash the exterior with 90 to 110 32 C to 43 C soapy water and wipe dry Do not use highly abrasive materials as they will mar the finish A mild alkaline cleaner is recommended Use a soft cloth or sponge to apply the cleaner For best results wipe in the direction of the grain of the steel A Clean the rear seal surface from inside of the machine barrel B Using this sanitizing solution and the large barrel CAUTION Risk of Priduct Damage Do nouse acidcleaners strong caustic compounds or abrasive materials to clean any part of the frezer exterior or plastic parts brush provided sanitize the barrel by dipping the brush in the sanitizing solution and brushing the inside of the barrel C Remove the rear drip tray by pulling from side panel Clean and replace drip tray 3 8 ASSEMBLING MACHINE Toassemblethe machine parts refer to the following steps NOTICE Petrol Gel sanitary lubricant or equivalent must be used when lubrication of machine parts is specified NOTICE The United States Department of Agriculture and the Food and Drug Administration require that lubri cants used on food processing eq
8. Control Panel sss eene nnns 21 Obtaining Readings and Modifying Settings Service Personnel Only 21 Readings Service Personnel Only 22 Adjustments Service Personnel Only ssssseees 23 Other Settings Service Personnel Only 23 Overr n Adjustment iuo ere i rtr e ree a rette rate 24 Mix Pump Hose Reposition censa a 25 Mix Pump Hose Replacement sss een 25 Cab Temperature Adjustment sssssssseeeenennen 26 Drive Belt Tension Adjustment 26 Condenser Cleaning Air Cooled Machines 27 Preventative Maintenance esssssseeeeenne nennen nnns 27 Extended Storage oet eet hen eat s 27 Troubleshooting Error Codes oss tet use t 29 Troubleshooting Error Codes coooocconccccnonoccccononcnnnnnccnnnnnnncnnn 29 Troubleshooting Machine ocoonnnnnnnccccnnnnnnocccccnnnn nano ncccnnn naar rc 31 Troubleshooting Mix Pump cccooonoocccccccnnnconcncncnnnnnnnnnncnnnnnnnnncnnnnnnnnnnnnnnnnnns 32 Replacement Parts Decals and Miscellaneous Parts 35 Front Door and Auger Parts 36 Cab Tubing Assembly uussssssssnssnssnnnnnnnnnnnnnnnnn
9. F water See Figure 3 18 and 3 19 Figure 3 19 Cleaning Feed Tube Preparetwo gallons 7 5 liters of sanitizing solution using a USDA certified grade sanitizing solution Sanitize all removed parts then air dry Check Hose Service Record decalto determine if hose reposition or replacement is required at this time Reassemble both hose assemblies perthe diagram located on the inside of the cab door Reconnect assemblies to the pump and discharge hose using the clamps Referto Section 2 5 Mix Pump Sanitize assembled machine as per instructions outlined in Section 3 9 SECTION 4 MAINTENANCE AND ADJUSTMENTS 4 1 MACHINE ADJUSTMENT This section is intended to provide maintenance person nel with a general understanding of the machine adjust ments It is recommended that any adjustments in this section be made by a qualified person 4 2 PRODUCT CONSISTENCY ADJUSTMENT The operator can adjust product consistency by modifying the Fine Adjustment setting on the membrane switch This is the only adjustment that can be made by the operator without using a pass code key sequence Product consis tency fine adjustment allows a 0 4 amp maximum adjust ment to the drive motor amp draw cutout Increasing this setting will increase the drive motor amperage cutout and increase product consistency Follow the instructions be low to make fine adjustments to product consistency A Place the Main Freezer Power switch in the ON
10. Follow the instructions below that match your configuration 3 Gently push the hose into the black cover until it begins to feed 4 Allowthe hose to feed itself through the pump until 6 15cm remains on the entering side Turn pump off 6 Connect mix pump hoseto the elbowfitting located When Using One Mix Container Per Side ontheleftside ofthe mixline manifold using small 1 Connect a 2 5 length of 3 8 9 5mm ID hose clamp Be careful not to twist the mix hose plastic food grade tubing to the mix pickup 7 Turn pump on assembly Secure with hose clamps Then place 8 Allow remaining6 15cm of tubing to feed through assembly through holeincoverandinstall retaining pump until hose adapter prevents further feeding clip see Figure 2 4 and 2 5 9 Turn pump off 756204 40 FREEZING CYLINDER 264235 264243 TEE MUST BE INSTALLED IN 694247 THIS POSITION 762256 376041 END MUST BE IN SPRING ROUNDED END CHECK VALVE MUST BE 2183102 INSTALLED IN THIS ORIENTATION Figure 2 4 Mix Pump Connections for Standard Mix Container 2 Connect the free end of tubing to the mix check valve Observe direction of check valve flow arrow Secure with hose clamp Connect 24 61cm length of 3 8 9 5mm ID plasticfood grade tubing clamp opposite end of elbow to 1 4 ID tan tubing on the left side of pump head Secure with hose clamps see Figure 2 3 and 2 4 When Using Bag Connectio
11. NOT OPERATE UNIT WITH OUTER COVERING REMOVED ATTENTION This freezer has foam insulation that has been formed with refrigerant gas The insulation may emit refrigerant vo which could deceive leod detectors and give false readings B a CAUTIO N CAUTION ELECTRIC WIRING MATERIALS ARRANGEMENT amp GROUNDING MUST CONFORM WITH NATIONAL AND OTHER APPLICABLE ELEC CODES Figure 2 1 Warning Label Locations ITE atyi DESCRIPTION 03 04 1 E 2 DECAL MIX LOW 2 2 2 DECAL CLEAN DFF SERVE SWITCH 3 DECAL CAUTIDN R TATING BLADES 4 G READ MANUAL amp ALL DECALS 5 3 3 L HAZARDOUS MOVING PARTS 6 AL STOELTING SWIRL LOGO 7 AL CAB ON OFF 8 e P ON OFF 9 2 L REFRIG LEAK CHECK 10 1 CLEANING SS amp SHAKE 11 2 E CAUTION ROTATING SHAFT 12 4 1 DANGER AUTOMATIC START 13 2 2 CAUTION MOVING PARTS 4 7 7 ELECT SHOCK HAZARD 15 2 e DECAL FIELD CONNECTIONS 16 2 DECAL ATTENTION INSTALLER 17 e 2 BAGENVELOPE FRONT LOADING 1 1 DECAL ADEQUATE VENTILATION 3 gt g DECAL COPPER CONDUCTORS ONLY 2 2 DECAL CAUTION WIRING MAT L 4 4 DECAL CAUTION MOVING PARTS 2 DECAL WIRED ACCORDING TO e C X1 1 4 BLK ON WHITE E 2 AG CAUTION SUPPLY VOLTAGE 1 1 DECAL GM HEADER STOELTING SWIRL 1 1 JECAL GM HEADER lt STOLETING LOGO il 1 DECAL A amp
12. Rotating Blades 324200 Decal High Pressure Cut Out 324208 Decal Attention Refrigerant Leak Check 324346 Decal Caution Hazardous Moving Parts 324477 Decal Electrical Box R H 1 324478 Decal Electrical Box L H 1 324509 Decal Cleaning Instructions 324566 Decal Wired According To 324584 Decal Adequate Ventilation 3 1 324686 Decal Danger Automatic Start 4 324799 Decal Pump Off On 2 324803 Decal Domed Stoelting Logo Large Header Panel 1 324804 Decal Domed Stoelting Swirl Header Panel 1 324825 Decal Main Freezer Power 1 324826 Decal Cab Off 1 324827 Decal Freezing Cylinder 2 208135 Brush 4 x 8 x 16 Barrel 1 208380 Brush 1 4 x 3 x 14 1 208387 Brush 1 2 x 5 x 24 1 208465 Brush 1 x 3 1 2 x 18 1 208467 Brush 3 8 x 1 x 5 1 232734 Cap Rosette 4 417006 Grid Drip Tray Metal 1 508048 Hex Drive Anti Seize Spline Lubricant 20z Tube 1 508135 Petro Gel 4oz Tube 1 624677 5 O Ring Spigot Extension Black 5 Pack 3 744278 Tray Drip 1 2177072 Extension Spigot 1 5 0 2177073 Extension Spigot 2 5 3 2177074 Extension Spigot 3 2 0 35 6 2 FRONT DOOR AND AUGER PARTS 667868 p 1151859 qi Q 694255 3170644 624520 2183106 2183110 3158086 3159696 3159696 624598 624598 624664 624614 Ifyou are replacing a front door without side grooves the spigot extensions and rosette caps also need to be replaced
13. W HEADER FOR U431 amp 4231 e DECAL CAUTION HAZARDOUS MOVING 2 2 DECAL STANDBY SERVE SWITCH 1 1 DECAL TEMPERATURE CONTROL e 2 DECAL MANUAL 2 2 DECAL ARROW 2 DECAL FREEZING 2 2 SHIPMENT AND TRANSIT The machine has been assembled operated and in spected atthe factory Upon arrival atthe final destination the machine must be checked for any damage which may have occurred during finaltransit With the method of packaging used the equipment should arrive in excellent condition THE CARRIER IS RESPON SIBLE FOR ALL DAMAGE IN TRANSIT WHETHER VIS IBLE OR CONCEALED Do not pay the freight bill until the machine has been checked for damage Have the carrier note any visible damage on the freight bill If concealed damage and or shortage is found later advise the carrier withinten days and request inspection The customer must place claim for damage and or shortages in shipment with thecarrier Stoelting LLC cannot make any claims against thecarrier 2 3 MACHINE INSTALLATION Installation must be performed by a qualified electri cian refrigeration specialist Incorrect installation may cause personal injury severe damage to the ma chine and will void factory warranties 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 Install the four casters Turn the
14. and clean the front door auger shaft and mix pump Leave disassembled during the shutdown period C Place the plastic auger flights in a plastic bag with a moist paper towel This will prevent the flights from becoming brittle if exposed to dry air over an extended period over 30 days D Forwater cooled machines that are left in unheated buildings or buildings subject to freezing the water must be shut off and disconnected Disconnect the fittings at the water inlet and the water outlet lines of the machine The fittings are located at the rear of the machine Run the compressor for 2 3 minutes to open the water valve Blow out all the water first through the water inlet then through the water outlet lines with air or carbon dioxide Drain the water supply line coming to the machine E Place the Pump OFF ON switch and the Main Freezer Power OFF ON switch inthe OFF position F Disconnect the machine from the source of the electrical supply in the building 28 SECTION 5 TROUBLESHOOTING 5 1 ERROR CODES When the machine experiences a problem one of the following error codes will be displayed on the control panel Each error code directs you to the system location of the malfunction ERROR CODE MALFUNCTION 1 Soft High Torque Extended Run Time Clean Barrel Sensor Hopper Sensor Drive Motor DOO FR C Cab Sensor 9 10 11 To return the machine to normal operation any error causing condition must
15. be corrected and the Freezing Cylinder Off On switch must be placed in the Off position and back inthe On position before the affected side ofthe machine will return to normal operation High Pressure Cutout Auxiliary Sensor Low Temperature 5 2 TROUBLESHOOTING ERROR CODES Error Code 1 Soft Error The Soft Error E1 is an internal control board error that is logged for future analysis The refrigeration is never stopped and the machine will continue to operate normally Error Code 2 High Torque If the control panel displays a High Torque Error E2 the controller has sensed that the drive motor is running at 12596 of the preset CutOut amp setting for 10 or more seconds This may be due tothe product consistency adjustment being set too high Place the Main Power OFF ON switch in the OFF position wait until the product inthe freezing cylinder thaws to a reasonably soft consistency and return the Main Power switch to the ON position Follow the steps in section 3 to reduce product consistency by a few levels If the error persists contact your uthorized Stoelting Distributor for further assistance Error Code 3 Run Time The Run Time Error E3 occurs when the compressor runs continuously for 20 minutes withoutthe productreaching consistency in Serve Mode or if the product does not reach proper temperature in Sleep 2 Mode This error is 29 generally caused by very low mix levels in the machine s mix container
16. been programmed into the controller as a safeguard to protect the machine from potential damage caused by the machine being accidentally left in Clean Mode The control will attempt to restart itself after 5 minutes The display will then flash and read Restart To immediately clearthe Clean Error place the Main Power Off On switch in the Off position and back in the On position After restarting the machine a refrigeration cycle will begin This protects the product in case the clean button was pressed by mistake Error Code 5 Freezing Cylinder Sensor The Freezing Cylinder Sensor Error E5 indicates afailure of the barrel sensor or an extreme out of range condition lt 34 F or gt 99 F If the control paneldisplays an E5 placethe Freezing Cylinder Off On switch in the Off position and back in the On position If the error persists contact your Authorized Stoelting Distributor for further assistance NOTE When the machine encounters a Freezing Cylinder Sensor Error the machine will continue to run us ing preset timers This mode will allow the operator to continue serving product until the machine can be serviced Error Code 6 Hopper Sensor single hopper machines The Hopper Sensor Error E6 will not occur on the F431 machine Error Code 7 Drive Motor If the control panel displays a Drive Motor Error 7 the control does not sense current coming from the drive motor Place the Freezing Cylinder Of
17. delay the com pressor will start G LEDs The membrane switch touchpad features two lights a green LED and an amber LED The green LED is lit during Serve Mode During freeze down it is not lit When product consistency approaches 75 in the freezing cyl inder the green LED flashes The amber LED is on during allother modes Inthe eventof an error orwhenthefreezing cylinder is off both LEDs alternatively flash H Clean Button The CLEAN button is a membrane or snap switch When the button is pressed the freezing cycle stops and the drive motor will start A CLEAN message will display onthe LCD screen along with a 5 minute countdown timer If the button is pressed again the timer will reset To exit the CLEAN mode turn the Freezing Cylinder OFF ON switch tothe OFF position Ifthe machine is leftin CLEAN for more than 20 minutes an error code E4 willbe displayed onthe display panel Place the Freezing Cylinder OFF ON switch inthe OFF position and back inthe ON position to clear this error I Mix Low Light Indicator A MIX LOW message will appear on the LCD display to alert the operator of alow mix condition The message will display when there is approximately one gallon of mix left inthe mix container orwhen one bag of the Bag Connection System BCS is empty When the MIX LOW message is displayed refill container or replace bag immediately J Dispense Rate Adjusters The dispense rate adjuster limits the
18. manifold to the mix bag in the front of the mix container nearest the cabinet door Connectthe bag adapter attached to the right side of the manifold to the mix bag in the back of the mix container See Figure 2 8 When Using Bag Connection System BCS with One Bag Per Side optional kit 1 Connect 3 8 9 5mm ID plastic food grade tubing to a bag adapter Secure with hose clamps Connect free end of 3 8 9 5mm ID plastic food grade tubing to mix check valve Observe direction ofcheck valve flow arrow Secure with hose clamp Connect 3 8 9 5mm ID plastic food grade tubing to free end of check valve and secure with hose clamp Connect elbow fitting to free end of tubing Connect opposite end of elbow to 1 4 ID tan tubing on the left side of pump head Secure with hose clamps see Figure 2 3 and 2 4 shown in Figure 2 8 right mix container shows one bag configuration Connect the bag adapter to the mix bag See Figure 2 8 Figure 2 8 Connecting BCS Mix Bags two bag connection on left one bag connection on right When Using Two Mix Containers or Bag Connection Systems BCS on one Side optional kit 2183189 1 The F431 canbe configuredto operate with onlyone freezing cylinder turned on This may be done if only one flavor is being dispensed during slow times In this case running only one freezing cylinder will help minimize product breakdown while reducing mix container filling or mix bag replaceme
19. off and relieve any pressure by opening the spigot Disconnect the mix pump hose at each end Grasp the discharge hose end with one hand and turn the pump on Pull down on the hose until all of the remaining hose is removed from the pump Turn pump off Rotate pump roller assembly so one rolleris atthe 6 00 position Use a brush that fits in the opening and clean the pump roller assembly first with detergent water and then clear water G Connect the new mix pump hose to the pickup IMPORTANT hose adapter using the small clamp Before making changes to any settings record the H Feed one end of the mix pump hose into the original values If the setting changes do not achieve pickup hose side left of the black cover desired results return settings to their original val NOTE Feed the tube into the clamp so the natural curve of E Press SET button to enter edit mode This prevents the hose from looping around the numbertothe value required The value increases black cover twice by 1 each timethe up arrow button f is pressed l Gently push the hose into the black cover until it After the value reaches 9 numbering restarts at 0 begins to feed G Press SET button to save the setting and exit the J Allow the hose to feed itself through the pump until edit mode about 6 15cm remains on the entering side H Press the up arrow button once to navigate to K Turn pump off the CabCtOut value Record this value L C
20. sanitizerfor food contact surfaces Additional Information THE USE OF DELIMERS A delimer is a strong acid that has the ability to dissolve milkstone This type of chemical may become necessary once high levels of milkstone have developed While these products are very effective for removing HIGH levels of milkstone they are not ideal for two reasons 1 PRODUCT SAFETY Strong acids are dangerous chemicals Carefully follow safety instructions provided with delimer products 2 MACHINE DAMAGE Strong acids will attack metal and rubber causing premature wear of parts The use of adelimer needs to be closely monitored to avoid damage to machine surfaces and parts With proper daily use of STERA SHEEN or it s equivalent there is no need for the use of a DELIMER DO NOT USE BLEACH BLEACH HAS ABSOLUTELY NO CLEANING PROPERTIES BLEACH IS CORROSIVE It can and will damage components of the machine causing premature wear and metal corrosion GENERAL PURPOSE CLEANERS General purpose cleaners do not have the ability to remove milkstone Milkstone will become a problem if not remedied with additional products and procedures THE USE OF CHLORINE TEST STRIPS Test strips are used to determine concentrations of active chlorine in sanitizing solutions To use the strips tear offa small portion and submerge it into the sanitizing solution Then compare the color change to the color key onthe side of the test strip dispenser
21. shaft rotation by placing the Main Freezer Power Switch in the ON position placing both Freezing Cylinder OFF ON switches in the ON position and pressing the CLEAN button on each of the control panels Auger shaft rotation is clockwise as viewed through the clear plastic front door see Figure 2 2 E Press the CLEAN button to stop the augers Figure 2 2 Auger Rotation Figure 2 3 Mix Hose Installation CAUTION Risk of product damage 2 5 MIX PUMP A MIX PUMP HOSE INSTALLATION Follow the steps below to install the mix pump hose in the cabinet part of the machine Air mix Tee must remain below the black cover 1 clamp If Tee is above the pump mix will drain to the 2 Feed one end of mix pump hose into the entering air compressor resulting in pump damage or pickup hose side left of black cover NOTE Feed the tube into the clamp so the natural curve of the tube is towards the outside of the black cover This prevents the hose from looping around the black cover twice 10 Connect free end of mix pump hose to 3 way Tee as shown in Figure 2 4 When all connections are complete the 3 way Tee must be lower than the black pump housing B MIXPICKUP HOSE INSTALLATION The F431 machine may be connected to standard mix containers or prepacked mix bags One 5 gallon mix bag may be connected to each freezing cylinder or two 2 1 2 gallon bags may be connected on each side
22. the compressor starts 9 Press the PUSH TO FREEZE button 10 When the product is at 75 consistency the display will read SERVE 11 For normal dispensing move the spigot handle fullyopen 12 The machine dispenses product at areasonable drawrate Ifthe machine is overdrawn the result is asoft productor a productthat will not dispense at all If this occurs allow the machine to run for approximately 30 seconds before dispensing more product Spigot rate adjustors are located under the header panel to the immediate right of each spigot handle Fig 3 14 Turning the spigot rate adjuster counterclockwise will decrease the dispense rate CAUTION Risk of Product Damage Mix pump hose mustbe repositioned every 800 gallons of mix served or 2 weeks Failure to comply will result in reduced mix pump liquid capacity dispense stop page popping and possible mix pump hose leakage Hose leakage may damage the pump roller assembly and void the factory warranty NS Figure 3 14 Dispensing Product Do not operate the machine when the MIX LOW message is displayed or with less than 1 3 4 4 4 cm of mix in the hopper Refill the hopper immediately NOTE The machine has a standby and sleep mode After a preset number of freezing cycles it will enter the standby mode followed by sleep mode and remain there until someone draws product or presses the PUSH TO FREEZE button In the sleep mode the machine will keep t
23. threaded end into the machine until zero threads are showing To level turn outcasters no more than 1 4 maximum then tighten all jam nuts C The machine must be placed in a solid level position NOTE Accurate leveling is necessary for correct drainage of machine barrel and to insure correct overrun D Machines with air cooled condensers require a minimum of 3 7 5cm of space on all sides and 10 25cm at the top for proper circulation A minimum of 6 15cm side clearance is required in high ambient conditions gt 98 F CAUTION Risk of product damage Aircooledcondenser requires proper ventilation Fail ure to provide adequate ventilation will void factory warranties E Softserve machines with water cooled condensers require 1 2 NPT supply and drain fittings 2 4 INSTALLING PERMANENT WIRING If permanentwiring is required by local codes the following procedure must be performed Hazardous voltage High voltage will shock burn or cause death Turn off and lock out main power disconnect before in stalling wiring Do not operate machine with cabinet panels removed A Refer to the nameplate on the side panel of the machine for specific electrical requirements Make sure the power source in the building matches the nameplate requirements B Remove the back panel and the junction box cover located at the bottom of the machine C Install permanent wiring according to local code D Check the auger
24. to determine the approximate chlorine concentration Moving machinery can grab mangle and dismember Place the Main Freezer Power OFF ON switch in the OFF position before disassembling for cleaning or servicing Placing the Main Freezer Power OFF ON switch in the ON position during cleaning or servicing may result in serious personal injury The ideal concentration of chlorine needs to be 100 ppm as stated by the FDA NOTE Follow the directions on the container for proper con centration There are two main factors that contribute to falling chlorine concentrations in a sanitizing solution 1 PRODUCT USE As the chlorine in the solution is being used chlorine concentrations fall 2 TIME As time passes small amounts of chlorine evaporate from the solution Thatis why youcan smell it Sanitizing solutions should not be allowed to fall below 100 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 machine disassembly cleaning and sanitizing procedures will need to be followed Routine cleaning intervals and procedures must comply with the local and state health codes Inspection for worn or broken parts should be made at every disassembly of the machine All worn or broken parts should be replaced to ensure safety to both the operator and the customer and to maintain good machine performance
25. 0 82 liters ee Two 0 85 gallon 3 4 quart 3 22 liters 9 5 GPH 35 97 liters each Freezing Cylinder 13 0 GPH 49 21 liters both Freezing Cylinders SECTION 2 INSTALLATION INSTRUCTIONS 2 1 SAFETY PRECAUTIONS Do not attempt to operate the machine until the safety precautions and operating instructions in the manual are read completely and are thoroughly understood Take notice of all warning labels on the machine see Figure 2 1 The labels have been put there to help you maintain a safe working environment The labels have been designed to withstand washing and cleaning All labels must remain legible for the life ofthe machine Labels should be checked periodically to be sure they have not been painted over ELI HAZA DISCONNECT FROM THE SOURCE OF ELECTRICAL SUPPLY IN BUILDING BEFORE SERVICING UNIT E rubbed off fallen off and can be recognized as warning labels If you are in need of replacement labels indicate the part number type of label location of label and quantity required along with your name and address and mail to Stoelting LLC Commercial Products 502 Hwy 67 Kiel WI 53042 f X TERES SEDES ATTENTION HEAT SENSITIVE THERMISTOR LOCATED UNDER THIS COVER TEMPERATURE MUST NOT EXCEED 220 F NEAR THERMISTOR HEAT SINK MUST BE USED WHEN BRAZING ON EVAPORATOR OUTLET CHECK RESISTANCE BEFORE REMOVAL OF THERMISTOR L SEE SERVICE MANUAL HAZARDOUS MOVING PARTS DO
26. ANING DISASSEMBLED PARTS Disassembled machine parts require complete cleaning sanitizing andair drying before assembling Local and state health codes will dictate the procedure required Some state health codes require a four sink process pre wash wash rinse sanitize air dry while others require a three sink process without the pre wash step The following procedures are ageneral guideline only Consult your local and state health codes for procedures required in your location Figure 3 6 Rear Seal Removal A Toclean the machine parts disassemble all parts Referto Section 3 4 forthe disassembly of machine parts B Place all front door and auger parts in clean 90 to 110 F 32 C to 43 C water and wash thoroughly four sink procedure only C Place all parts in 90 to 110 F 32 C to 43 C mild detergent water and wash thoroughly D Rinse all parts with clean 90 to 110 F 32 C to 43 C water F Sanitize all machine parts following procedures outlined below 3 6 SANITIZING MACHINE PARTS A Useasanitizer mixed according to manufacturer s instructions to provide a 100 parts per million strength solution Mix sanitizer in quantities of no less than 2 gallons of 90 to 110 F 32 C to 43 C water Allow the sanitizer to contact the surfaces to be sanitized for 5 minutes Any sanitizer must be usedonly in accordance with the manufacturer s instructions Place all parts in the sanitizing solution for
27. CATING BEARINGS IF SQUEAKING EXISTS WITH THE MIX PUMP HOSE IN PLACE AND STOPS WITH THE HOSE REMOVED THE SQUEEZE ROLLER BEARINGS BE LUBRICATED USING A SILICONE BASED SPRAY REMOVE THE MIX PUMP Pumpis HOSE DISCONNECT PUMP FROM ELECTRICAL POWER REMOVE FOUR noisy squeaking COVER CLAMP THUMBSCREWS REMOVE ENTIRE COVER CLAMP AS ONE UNIT SPRAY SILICONE BASED LUBRICANT ON EACH END OF EACH SQUEEZE ROLLER SPIN ROLLERS TO WORK LUBRICANT INTO BEARINGS REPEAT AS NEEDED CAUTION DO NOT USE CLEANING DISSOLVING TYPE LUBRICANTS LIKE WD 40 THESE LUBRICANTS ARE NOT BEARING FRIENDLY AND WILL ACCELERATE BEARING WEAR Air mix tee above black cover clamp Air mix tee must be below black cover clamp Air leak Tighten all hose clamps Mix hose on wrong air mix tee fitting Refer to diagram for correct hose connections Mix in air hoses Pressure control manifold o ring leak 4 Check o ring and manifold replace as required 33 34 SECTION 6 REPLACEMENT PARTS 6 1 DECALS AND MISCELLANEOUS PARTS Part Number Description Quantity 324014 Decal Black Arrow on White Back 324065 Decal Water Inlet 324103 Decal Caution Rotating Shaft 324106 Decal Caution Electrical Wiring Materials 324107 Decal Caution Hazardous Moving Parts 324125 Decal Danger Electric Shock Hazard 324141 Decal Caution
28. F ON switch mustbe placed inthe OFF position for cleaning and power mustbe disconnected when disassembling or servicing NOTE If the mix lines or air line is difficult to remove soften tubing with a rag soaked in hot water Hose connec tions may be sprayed with Haynes Sanitary Lubri cant for ease of removal Do not loosen or remove the mix pump cover wing nuts Maintain the mix pump hose in its operational condition MY System Under Pressure Never disconnect hoses from machine or pump without first opening spigot to relieve pressure A Loosen clamp and remove air hose from pump compressor B Loosen clamp and disconnect mix pump hose Remove the pickup hose mix check valve and pickup hose adapter and bag adapter if applicable as an assembly from mix container C Completely disassemble both hose assemblies and check valve Place hoses tee check valve assembly and pickup hose adapter in 90 to 110 F 32 to 43 C mild detergent water and wash thoroughly Use softbristle brushes to clean inside of fittings Rinse all parts in clean 90 to 110 82 C to 43 C water see Figure 3 16 and 3 17 Figure 3 16 Removable Parts E F E PUT G 1 8 3 9 H Figure 3 17 Removable Parts for optional BCS 20 Carefully inspect each part for wear or damage Replace worn ordamaged parts Wash feed tube and air tube with 90 to 110 F detergent water and brushes provided Rinse with clean 90 to 110
29. Pick up leg of mix pump hose is 4 Reposition hose collapsing 1 Feeding hose into discharge hole of 1 Feed hose into suction side of cover Replacement mix mix pump cover pump hose won t 2 Hose ends not cut squarely 2 Carefully cut hose end off squarely no tails feed through 3 Force feeding too quickly 3 Gently and slowly assist feeding of hose up pump into pick up hose side of cover 4 Pump motor not running 4 Turn on motor switch Air exiting mix 1 Pickup tube check valve missing 1 Contact local Stoelting Distributor pick up hose 1 Overrun setting too high 1 Decrease overrun setting 2 Mix pump hose service life is 2 Reposition replace mix pump hose Dispensed product exceeded air pops 3 Overdrawing the machine s capacity 3 Reduce dispense rate 4 Recent low mix condition 4 Open spigot fully and allow excess air to escape CAUTION To prevent mix pump damage from dried mix deposits immediately disassemble and clean pump 1 Mix pump hose service life is 1 Remove mix pump hose Disconnect pump exceeded from power source Remove mix pump cover clamp Clean the rollers a small amount of soapy water Clean mix from pump See Section 4 2 for hose replacement NOTE THE ACTION OF THE AIR COMPRESSOR ROCKING ARM CREATES A REPETITIVE CLICKING SOUND DURING OPERATION THIS IS NORMAL Overrun too high Mix leakage from pump NOTE THE PERISTALTIC MIX PUMP HAS THREE SQUEEZE ROLLERS WHICH USE SELF LUBRI
30. Spring Cone Cab Check Valve 2 696152 Clip Lock Check Valve 2 756067 Tubing 1 4 ID Clear Air Line 25 Increments Per Inch Two 7 amp Two 9 756079 Tubing 3 8 ID Clear Mix Line 25 Increments Per Inch Two 24 amp Two 2 756088 Tubing 1 2 ID Clear Mix Line 25 Increments Per Inch Two 6 756204 Tubing 1 4 ID Pump 50 Box Only Per Inch 756204 40 Tubing 1 4 ID Pump Pre Cut 40 Piece 2 762256 Check Valve Mix Outlet 2 1183096 Check Valve Mix In Line Inner 2 1183187 Check Valve Mix In Line Outer 2 2177274 Clip Retaining Mix Probe To Cover 2 2183102 Pick Up Tube Mix 2 37 38 CQ STOELTING FOODSERVICE EQUIPMENT WARRANTY SOFT SERVE SHAKE MACHINES 1 Scope Stoelting LLC warrants to the first user the Buyer that the machine cylinders hoppers compressors drive motors speed reducers augers and auger flights of Stoelting soft serve shake machines will be free from defects in materials and workmanship under normal use and proper maintenance appearing within five 5 years and that all other components of such equipment manufactured by Stoelting will be free from defects in material and workman ship under normal use and proper maintenance appearing within twelve 12 months after the date that such equip ment is originally installed 2 Disclaimer of Other Warranties THIS WARRANTYIS EXCLUSIVE AND STOELTING HEREBY DISCLAIMS ANY IMPLIED WAR RANT
31. Y OF MERCHANTABILITY OR FITNESS FOR PARTICULAR PURPOSE 3 Remedies Stoelting s sole obligations and Buyer s sole remedies for any breach of this warranty shall be the repair or at Stoelting s option replacement of the affected component at Stoelting s plant in Kiel Wisconsin or again at Stoelting s option refund of the purchase price of the affected equipment and during the first twelve 12 months of the warranty period deinstallation reinstallation of the affected component from into the equipment Those obliga tions remedies are subject to the conditions that Buyer a signs and returns to Stoelting upon installation the Checklist Warranty Registration Card for the affected equipment b gives Stoelting prompt written notice of any claimed breach of warranty within the applicable warranty period and c delivers the affected equipment to Stoelting or its designated service location in its original packaging crating also within that period Buyer shall bear the cost and risk of shipping to and from Stoelting s plant or designated service location 4 Exclusions and Limitations This warranty does not extend to parts sometimes called wear parts which are generally expected to deteriorate and to require replacement as equipment is used including as examples but not intended to be limited to o rings auger seals auger support bushings and drive belts All such parts are sold ASIS Further Stoelting shall not
32. and a quality product A normal wear part is the auger flight see Figure 3 3 Auger flights need to be replaced before the wear line is no longer visible To disassemble the machine refer to the following steps A Disassembly Of Front Door 1 Remove the front door by turning off the circular knobs and then pulling the front door off the studs 2 Remove the air bleed valve by unscrewing the knob while holding the valve stem from behind Fig 3 4 Remove the compression spring and push air bleed valve through the rear of the front door Wear Lin Figure 3 3 Auger Flight Wear Remove the spigotsthrough the bottom ofthe front door Remove all o rings from spigots and air bleed valve B Disassembly Of Auger 1 Remove the front auger support by pulling it straight out of the machine barrel Remove the plastic bearing from the front auger support ValveStem Air Bleed Valve Figure 3 4 Front Door Disassembly Remove the auger by pulling slowly and rotating out of the machine barrel As the auger is withdrawn remove each plastic flight and spring from the auger Fig 3 5 Be careful notto scratch inside of machine barrel when removing flights or auger Remove the spring from each auger flight Keep the rear of the auger tipped up once itis clear of the machine barrel Wipe hex drive anti seize off hex end of auger with a paper towel Remove the rear seal Fig 3 6 3 5 CLE
33. ase overrun Con versely shortening the stroke will decrease overrun To perform an overrun adjustment refer to the following procedure Hazardous Voltage The Main Freezer Power switch must be placed in the OFF position when disassembling for servic ing The machine must be disconnected from elec trical supply before removing any access panel Fail ure to disconnect power before servicing could re sult in death or serious injury Turn the mix pump switch to the OFF position Disconnect power sources circuit breakers Remove the back panel from the machine On the air compressor side of the pump locate the long slender piston rocking arm The rocking arm downward travel is limited by a stationery cam On the face of the cam there is an overrun setting indicator plate numbered 3 through 8 and an adjustment knob Fig 4 2 4 9 Figure 4 2 Overrun Adjustment The overrun setting is indicated by a pin To adjust overrun loosen the allen head screw located within the center of the adjustment knob with the 5 32 allen wrench provided Rotate the adjustment knob counterclockwise to a higher number for higher overrun or clockwise to a lower number for lower overrun Each number multiplied by 10 represents the overrun percentage i e setting 4 40 overrun Tighten the allen screw then place the wrench back in its clip Replace the lower back panel and secure with the four screws Turn the mix pump power switch
34. be responsible to provide any remedy under this warranty with respect to any component that fails by reason of negligence abnormal use misuse or abuse use with parts or equipment not manufactured or supplied by Stoelting or damage in transit THE REMEDIES SET FORTH IN THIS WARRANTY SHALLBE THE SOLE LIABILITY STOELTING AND THE EXCLUSIVE REMEDY OF BUYER WITH RESPECT TO EQUIPMENT SUPPLIED BY STOELTING AND IN NO EVENT SHALLSTOELTING BE LIABLE FOR ANY INCIDENTALOR CONSEQUENTIALDAMAGES WHETHER FOR BREACH OF WARRANTY OR OTHER CONTRACT BREACH NEGLIGENCE OR OTHER TORT OR ONANY STRICT LIABILITY THEORY
35. cover panel Visually inspectthe condenser filter for dirt Fig 4 4 Figure 4 4 Removing Condenser Filter B If the condenser filter is dirty vacuum or brush it clean Rinse it with clean water and allow itto dry before replacing it on the machine NOTE If the condenser is not kept clean refrigeration effi ciency will be lost 4 14 PREVENTATIVE MAINTENANCE Itis recommended that a preventative maintenance sched ule be followed to keep the machine clean and operating properly The following steps are suggested as a preven tative maintenance guide The United States Department of Agriculture and the Food and Drug 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 Check for any unusual noise or condition and repair immediately B Monthly checks 1 Check drive belts for wear and tighten belts if necessary Refer to section 4 12 2 Check the condenser filter for dirt Refer to section 4 13 4 15 EXTENDED STORAGE Referto the following steps for winterizing the machine or for storing the machine over any long period A Clean all ofthe parts that come in contact with mix thoroughly with warm detergent Rinse in clear water and dry all parts Do not sanitize NOTE Do not let cleaning solution stand in machine barrel or mix pump during the shutdown period B Remove disassemble
36. ct to the desired consistency Monitor consistency by taking a 6 ounce sample at each change of the amps display When the desired consistency has been reached record the temperature and amps and change the CutOut value to the recorded amps value 23 Cut In T F After the consistency value has been determined the Cut In T value can be adjusted The Cut In T is the temperature of the refrigerant gas coming out of the freezing cylinder Changing this setting changes the temperature at which the freezing cycle starts Decreasing the Cut In T decreases the amount of off time This creates a greater chance of product breakdown by stirring the product often Increasing the Cut In T increases the amount of off time which may cause heat shock within the product Cycles count This setting determines the number of freezing cycles during Serve Mode Increasing the value willincrease the total time in Serve Mode Factory defaultis 20 cycles which results in Serve Mode lasting about 2 1 2 hours without the PUSH TO FREEZE button being pressed or a spigot handle being pulled If the PUSH TO FREEZE button is pressed or the spigot handle is pulled at any time during Serve Mode the Cycles count will reset 4 7 OTHER SETTINGS SERVICE PERSONNEL ONLY Changing any setting on the IntelliTec control will alter machine operation and affect the product temperature consistency or life Referto the IntelliTec Control System Setting
37. details are recorded under the ERRCODES menu for each of the last 25 error codes received Err1 hours A numerical count of the last 25 error codes is recorded When the 26th error has occurred the earliest error code is erased A timer also begins when an error occurs The timer records the number of hours since the error occurred If power to the machine is interrupted the timer will stop until power has been restored F and amps The suction gas temperature on the freezing cylinder andthe drive motor amps are recorded at the time of the error Aux Temp F Ambienttemperature ofthe Intelli Tec control board is recorded at the time of the error Str F The storage temperature is recorded at the time of the error VAC and Mode A calculated input voltage and mode at which the error occurred are recorded Following are descriptions of each mode Mode Description Start of freezing cycle Compressor and drive motor on Stir Cycle Compressor off Standby Mode Sleep 1 Mode Sleep 2 Mode Clean Mode Startup ON OOF WO O co Storage only refrigeration 10 Freezing cycle is shut down 11 Door safety switch triggered 12 High pressure cutout Up Time hours This value is a record ofthe total time the machine has been in service If power is interrupted the timer will stop until power is restored This timer does not reset RUN STATISTICS In addition to dynamic readings and recorded er
38. dvanced or Storage D Press the up arrow button to navigate to the value that needs to be changed Press the SET button to enter the edit mode F Press the up arrow button to change the setting G Press the SET button to save the setting and exit the edit mode H Press the up arrow and the left arrow lt buttons to navigate through the rest of the settings as needed When all changes have been completed press the up arrow button from ExitMenu to return to the current mode display 4 5 ONLY The IntelliTec control continuously monitors and records temperatures voltages amps and error code details Each reading is beneficial to service personnel when troubleshooting DISPLAY READINGS Following are the readings available under the DISPLAY menu Cabinet Thetemperature ofthe cabis constantly monitored by the Intelli Tec control READINGS SERVICE PERSONNEL Cycles count This reading counts down the number of cycles in the current Serve Mode The starting value is dependant upon the Cycles setting onthe Intelli Tec 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 board Supply V VAC A calculated input voltage is recorded ERROR CODE READINGS Thefollowing
39. efore use Make sure the Freezing Cylinder OFF ON switch is in the OFF position Fill the storage containers in the cab with at least 2 5 gallons of mix Attach the mix inlet probes to the container and place the containers in the refrigerated cab Place the mix pump switch in the ON position Fig 3 12 Mi p ES cim Tu Y Figure 3 12 Refrigerated Cabinet Place a container under the spigot and open the spigotto allowthe mix to flush out about8 ounces 0 23 liters of sanitizing solution and liquid mix Close the spigot Open the air bleed valve on the front door by pressing and holding Fig 3 13 Hold the valve open until the mix level in the freezing cylinder is 1 2 from the air bleed valve B PREPARINGINTELLITEC CONTROL 8 On the IntelliTec control press and hold SEL button for 8 seconds While still holding the SEL button press the up arrow button The LCD will read DISPLAY Press the left arrow lt button once The display will read BASIC Press the up arrow button once The display will read CutOutamps Press the SET button A cursor will start blinking under the far right digit Change the value to 8 0 Press the left arrow lt 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 After entering 8 0 press SET to save this va
40. emove a thick layer of milkstone NOTE general purpose cleaners DO NOT remove milkstone This canleadto high bacteria counts and a food safety dilemma IT IS BEST TO CONTROL MILKSTONE ON A DAILY BASIS BEFORE IT CAN BECOME A SIGNIFICANT FOOD SAFETY PROBLEM In addition to food safety milkstone can cause premature wear to machine parts which can add to costs for replace ment parts or possibly more expensive repairs if worn machine parts are not replaced once they have become excessively worn Important Differences Between Cleaning and Sanitizing CLEANING vs SANITIZING Itis important to distinguish between cleaning and sanitiz ing Although these terms may sound synonymous they are not BOTH are required for adequate food safety and proper machine maintenance CLEANING Is the removal of soil materials from a surface Is aprerequisite for effective sanitizing NOTE An UNCLEAN surface will harbor bacteria that can defy sanitizing efforts Bacteria can develop and resist sanitizing efforts within a layer of soil material milkstone Thorough cleaning proce dures that involve milkstone removal are critical for opera tors 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 ma
41. f On switch in the Off position and back in the On position If the error persists contact your Authorized Stoelting Distributor for further assistance Error Code 8 Cab Sensor A Cab Sensor Error E8 indicates a cabinet temperature sensor failure or This error will also appear in an extreme out of range condition 34 F or gt 99 F If the control panel displays an E8 place the Freezing Cylinder Off On switch in the Off position and back in the On position If the error persists contact your Authorized Stoelting Distributor for further assistance Error Code 9 High Pressure Cutout High Pressure Cutout Errors E9 are usually caused by a dirty or inefficient condenser In air cooled condenser models check for proper air clearance around the machine In water cooled condenser models check for proper water flow If the error persists contact your Authorized Stoelting Distributor for further assistance Error Code 10 Auxiliary Sensor An Auxiliary Temperature Sensor Error R10 occurs if the temperature sensor on the control board fails Place the Freezing Cylinder Off On switch in the Off position and back in the On position If the error persists contact your Authorized Stoelting Distributor for further assistance 30 Error Code 11 Low Temperature The Low Temperature Error E11 occurs when the temperature of the gas refrigerant at the freezing cylinder sensor falls below 20 F Although the mac
42. fects the temperature at which the freezing cycle stops in Sleep 2 Mode DftOffTm sec In Serve Mode this value determines the maximum time without a freezing cycle If this valueis met a freezing cycle will start In the event of afreezing cylinder temperature sensor failure this value affects the amount of time between freezing cycles during Serve Mode Refriger This setting changes how the control handles the storage refrigeration cycle The setting forthe left control is Cabinet and None on the right control CabCutln F If the Refriger value is set to Cabinet this setting determines the temperature at which the refrigeration cycle starts If None 1 Hopper or2 Hopper is selected for the Refriger setting CabCutin will not be shown on the IntelliTec menu CabCtOut F If the Refriger value is set to Cabinet this setting determines the temperature at which the refrigeration cycle stops If None 1 Hopper or 2 Hopper is selected for the Refriger setting CabCtOut will not be shown on the IntelliTec menu Cab Off If the Refriger value is set to Cabinet and the temperature sensor inthe cabinetfails this setting determines the time between refrigeration cycles If None 1 Hopper or 2 Hopperis selected for the Refriger setting Cab Off will not be shown on the IntelliTec menu Cab On If the Refriger value is set to Cabinet and the temperature sensor inthe cabinetfails this setting determi
43. git 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 Press the SET button to save the value The LCD will read CutOut Set OK Press the SEL button The LCD will read CutOut amps along with the programmed value from the previous step Press the SEL button three times The LCD will read EXITMENU Press the up arrow f button to exitthe menu Adjustment to the control is completed If the adjustment was done for the left side restart the procedure for the right side E SERVINGPRODUCT 33 34 35 36 37 38 Placethe Freezing Cylinder OFF ON switch in the ON position Press the PUSH TO FREEZE button When the product is at 7596 consistency the display will read SERVE For normal dispensing move the spigot handle fully open The machine dispenses product at a reasonable draw rate Ifthe machine is overdrawn the resultis a soft product or a product that will not dispense at all If this occurs allow the machine to run for approximately 30 seconds before dispensing more product Spigot rate adjustors are located under the header panel to the immediate right of each spigot handle Turning the spigot rate adjuster counterclockwise willdecrease the dispense rate Do not operate the machine when the MIX LOW message is displayed Refil
44. he left arrow button for 5 seconds The left arrow button is used primarily to navigate through the control settings Up Arrow Button Undernormaloperation after pressing the SET button the up arrow button will changethevalue oftheproductconsistency setting This button is used primarily to navigate through the control settings 3 3 IMPORTANT INFORMATION REGARDING CLEANING AND SANITIZING Soft serve and shake machines require special consider ation whenitcomes to food safety and proper cleaning and sanitizing The following information specifically covers issues for cleaning and sanitizing frozen dessert machines This informationis meantto supplement acomprehensive food safety program Soil Materials Associated with Frozen Dessert Machines MILKFAT BUTTERFAT As components of ice cream frozen custard mix these soils will accumulate on the interior surfaces of the machine and its parts Fats are difficultto remove and help attribute to milkstone buildup MILKSTONE Is a white gray film thatforms on equipment and utensils that come in contact with dairy products These films will accumulate slowly on surfaces because of ineffective cleaning use of hard water or both Milkstone is usually a porous deposit which will harbor microbial contaminants and eventually defy sanitizing efforts Once milkstone has formed it is very difficult to remove Without using the correct product and procedure it is nearly impossible to r
45. he product below 41 F 5 C Sleep modes do not take the place of cleaning and sanitizing Federal State and local regulatory agen cies determine frequency of cleaning and sanitiz ing 3 12 MIX INFORMATION Mix can vary considerably from one manufacturer to an other Differences in the amount of butterfat content and quantity and quality of other ingredients have a direct bearing on the finished frozen product A change in ma chine performance that cannot be explained by a technical problem may be related to the mix Proper product serving temperature varies from one manufacturer s mix to another Mixes should provide a satisfactory product in the 17 to 20 F 7 to 6 C range Diet and low carb mixes typically freeze to proper consis tency at higher temperatures When checking the temperature stir the thermometer in the frozen productto read the true temperature Old mix or mix that has been stored at too high a temperature can result in a finished product that is unsat isfactory To retard bacteria growth in dairy based mixes the best storage temperature range is between 36 to 40 F 2 2 to 4 4 C 3 13 OPERATION OF MIX PUMP The mix pump switches are located in the upper left hand corner inside the refrigerated cabinet When a pump switchis placed inthe ON position the mix pump motor will start pumping mix into the machine cylinder When the set pressure is reached the mix pump will shut off automati call
46. hine will not shut down the active freezing cycle will immediately end This error usually occurs whenthe machine continuesto run in alow mix condition or if the machine runs out of mix The product towards the front of the freezing cylinder tends to freeze solid When the temperature on the freezing cylinder lowers to the preset value the IntelliTec control will display an E11 ALTERNATING FLASHING CONTROL PANEL LIGHTS The display panel lights will flash in an alternating sequence under any error codes Clear the error and place the Freezing Cylinder Off On switch in the Off position and back in the On position 5 3 TROUBLESHOOTING MACHINE PROBLEM Drive motor auger kicks out or does not run Compressor does not operate Product too soft Freeze up Product will not dispense easily Rear auger seal leaks Spigot leaks Drive belts slipping or squealing Mix temperature too warm in cab Mix temperature 1 Temperature control set too cold 1 too cold in cab 1 Power to machine is off 2 Low line voltage 3 Product too hard 4 Front door not installed securely 1 Power to machine if off 2 Low line voltage 3 Compressor internal overload is cut out 4 Front door not installed securely 1 CutOut setting is too low 2 Product break down 1 CutOut setting is too high 2 Low overrun setting 3 Low pump pressure 4 Large air pocket in barrel 5 Auger turning counter c
47. intenance can involve a wide variety of products and procedures Overall the products and proce dures fall into three separate categories Please note that this is abrief overview intended for informational purposes only 1 CLEANING This involves draining mix from the machine barrel and rinsing the machine with water Next acleaneris run through the machine Then the machineis disassembled and removable parts are taken to the sink for cleaning MILKSTONE REMOVAL Since almost all cleaners do nothavethe ability to remove milkstone theuse of adelimer becomes necessary Although this procedure may notbe needed ona daily basis it will usually follow the cleaning procedure It requires letting a delimer solution soak in the machine for an extended period of time Individual parts are also soaked in a deliming solution for an extended period of time more about delimers in Additional Information SANITIZING Afterthe machinehas been cleaned and contains no milkstone the machine is reassembled Then a FDA approved sanitizing solutionis run throughthe machineto kill bacteria The machine is then ready for food preparation As a recommended cleaner and sanitizer for your frozen dessert machine STERA SHEEN has provento be one of the best daily maintenance products for CLEANING Thorough removal of all solids including butterfat and milk fat MILKSTONE REMOVAL Complete removal of milkstone SANITIZING FDA approvednorinse
48. ividual freezing cylinders can then be controlled with the Freezing Cylinder OFF ON switches B Freezing Cylinder OFF ON Switch The Freezing Cylinder OFF ON switches are two position toggle switches used to supply power to the left or right freezing cylinder control circuit When the switch is in the OFF position the refrigeration system and auger will not operate When the switch is in the ON position the machine will be operational C Spigot Switch The spigot switch is mounted to the spigot cam assembly behind the header panel When the spigot is opened to dispense product the spigot switch opens and the Serve Mode begins D Cab Off Indicator Light A flashing lightindicates the Main Freezer Power Switchis inthe OFF position no refrigeration is being supplied to the cab Place the Main Freezer Power switch in the ON position for cab refrigeration E Pump Switch The pump motor switches are the two rocker switches located in the upper left hand side of the refrigerated cab When a switch is placed in the OFF position the pump will not run When the switch is placed in the ON position the pump will run until the preset pressure is reached then cycle on and off as product is drawn to maintain that pressure F Push To Freeze Button The PUSH TO FREEZE button is a membrane or snap switch used to initiate Serve Mode NOTE After the PUSH TO FREEZE button is pressed the drive motor starts After a 3 second
49. l the mix container immediately NOTE The machine has a standby and sleep mode After a preset number of freezing cycles it will enter the standby mode followed by sleep mode and remain there until someone draws product or presses the PUSH TO FREEZE button In the sleep mode the machine will keep the product below 41 F 7 2 TC Sleep modes do not take the place of cleaning and sanitizing Federal State and local regulatory agen cies determine frequency of cleaning and sanitiz ing 3 11 NORMAL FREEZE DOWN AND OPERATION Thefollowing section containstherecommended operating procedures forthe safe operation ofthe machine 1 2 Sanitize immediately before use Make sure the Freezing Cylinder OFF ON switch is in the OFF position Fill the storage containers in the cab with at least 2 5 gallons of mix Attach the mix inlet probes to the container and place the containers in the refrigerated cab Place the mix pump switch in the ON position Place a container under the spigot and open the spigot to allow the mix to flush out about 8 ounces 0 23 liters of sanitizing solution and liquid mix Close the spigot Open the air bleed valve on the front door by pressing and holding Hold the valve open until the mix level in the freezing cylinder is 1 2 from the air bleed valve Place the Freezing Cylinder OFF ON switch in the ON position NOTE After the drive motor starts there is a 3 second de lay before
50. lockwise 1 Seal missing or installed wrong POSSIBLE CAUSE REMEDY 1 Check power to machine 2 Check must be 10 of nameplate voltage 3 Raise overrun See Section 4 8 4 Install front door securely 1 Check power to machine 2 Check must be 10 of nameplate voltage 3 Check condenser air cooled See Sect 4 13 or water supply water cooled 4 Install front door securely 1 Adjust CutOut setting to match product requirements See Section 3 10 2 Fill with fresh product 1 Adjust CutOut setting to match product requirements See Section 3 10 2 Raise overrun See Section 4 8 3 Check pump pressure 4 Purge air from barrel 5 Change rotation to clockwise 1 Install correctly See Section 3 8 2 Rear seal o ring missing broken or not 2 Inspect for breakage and lubricate properly lubricated 3 Worn or scratched shaft 1 Spigot parts are not lubricated 2 Chipped or worn o rings 3 O rings on spigot installed wrong See Section 3 8 3 Replace shaft 1 Lubricate See Section 3 13 2 Replace o rings 3 Remove spigot and check o rings 4 Nicks or scratched on front door where 4 Replace front door spigot is located 1 Drive belt tension not correct 2 Worn belt s 3 Low overrun 1 Temperature control set too warm 2 Cab door is open 31 1 Adjust belt tension See Section 4 12 2 Replace belts 3 Check for air leak 1 Decrease CabCtOut and CabCutIn
51. lue The LCD will read CutOut Set OK Press the SEL button The LCD will read CutOut amps 8 0 Press the SEL button twice The LCD will read DISPLAY Press the up arrow button to navigate to the F and amps readings C INITIAL FREEZE DOWN 17 Place the Freezing Cylinder OFF ON switch in the ON position 18 Press the PUSH TO FREEZE button NOTE After the drive motor starts there is a 3 second de lay before the compressor starts 19 As the product freezes the amps value on the display will increase When it reaches 2 6A open the spigot take a 6 8 ounce sample and measure the temperature For most soft serve mixes the desired temperature is between 19 0 F and 19 5 F Draw samples at every increase of 0 2A until reaching the desired consistency andtemperature NOTE Show the sample to the customer and make sure it meets their required consistency and temperature 20 21 Recordthe amps value 22 Placethe Freezing Cylinder OFF ON switch in the OFF position D ADJUSTINGINTELLITEC CONTROL 23 Press the SEL button The display will read DISPLAY 24 Press the left arrow lt button once The display will read BASIC 25 26 27 28 29 30 31 32 Press the up arrow button once The display will read CutOut amps Changethevaluetothe recorded value by pressing the SET button A cursor will start blinking under the far right di
52. mbling for servic 4 11 CABTEMPERATURE ADJUSTMENT ing The machine must be disconnected from elec trical supply before removing any access panel Fail Cab temperature is monitored and controlled by two ure to disconnect power before servicing could re settings on the Intelli Tec control CabCutln and CabCtOut sult in death or serious injury The cut in value determines the temperature at which the refrigeration cycle starts The cut out setting determines B Use a Burroughs Belt Tension Gauge to set the when the cycle stops To change the CabCutln or tension for the drive belt Set the belt tension to CabCtOut follow the steps below 40 50 lbs A Press and hold SEL button for 8 seconds While If an adjustment is necessary loosen the four still holding the SEL button press the up arrow button fl The LCD Screen will read Display B Release both buttons motor plate retaining nuts adjust belt tension then retighten the four nuts NOTE Belt life will be increased if new drive belts are tight ened after two or three weeks of operation C Press the left arrow button lt three 3 times to navigate to the Storage menu D Press the up arrow button fl once to navigate to the CabCutln value Record this value 26 4 13 CONDENSER CLEANING AIR COOLED MACHINES The condenser requires periodic cleaning To clean the condenser refer to the following steps A Lift the condenser filter off of the machine
53. n System BCS with Two Bags Per Side optional kit 2183189 1 Connect 3 8 9 5mm ID plastic food grade tubing to a bag adapter Secure with hose clamps This bag adapter will connect to the bag nearest the front of the machine 2 Slidethe hoseclip over free end of 3 8 9 5mm ID plastic food grade tubing Attach free end of tubing to a manifold adapter Secure with large hose into the left port of the mix inlet manifold and secure Figure 2 5 Connecting Mix Pick up Assembly with retaining clip See Figure 2 7 to free end of check valve and secure with hose 3 Connect elbow fitting to free endoftubing Connect clamp or equivalent Push the manifold adapter Low Mix Indicator gt Adjustment gt Knobs AMET Figure 2 7 Completed BCS Hose Assembly Figure 2 6 Connecting Pump Hose to BCS Manifold 3 Connect 3 8 9 5mm ID plastic food grade tubing to a bag adapter Secure with hose clamps This 4 Place one mix bag into each mix container as bag adapter will connect to the bag nearest the back of the machine Attach free end of tubing to a manifold adapter Secure with large hose clamp or equivalent Push the manifold adapter into the right port of the mix inlet manifold and secure with retaining clip See Figure 2 7 Place two mix bags into each mix container as shownin Figure 2 8 left mix container shows two bag configuration Connect the bag adapter attached to the left side of the
54. nd keeping it clean WARNING Stay alert at all times Know which switch push button or control you are about to use and what Hazardous voltage effect it is going to have The Main Freezer Power switch must be placed in the OFF position when disassembling for cleaning or ser vicing The machine must be disconnected from elec tricalsupply beforeremoving any access panel Failure to disconnect power before servicing could result in death or serious injury Notice all warning labels on the machine Disconnectelectrical powerfor maintenance Never attempt to repair or perform maintenance on the machine untilthe main electricalpower hasbeen disconnected Do not operate under unsafe operating conditions Never operate this machine if unusual or excessive noise or vibration occurs Left Freezing Cylinder a wa Right Freezing Cylinder OFF ON Switch OFF ON Switch i 7 1 AL Freezing Cylinder OFF ON PUSH I9 FREEZE Main Freezer Power d Cab A Indicator al Figure 3 1 Controls 9 A Main Freezer Power Switch The Main Freezer Power switch is a two position rocker switch that supplies power to the IntelliTec control freezing cylinder circuits and lower cabinet refrigeration system When the switch is placed in the ON position the lower cabinet refrigeration system will run until the preset tem perature is reached then cycle ON and OFF to maintain thattemperature Power to ind
55. nes the length of the refrigeration cycle If None 1 Hopper or 2 Hopper is selected for the Refriger setting Cab On will not be shown on the IntelliTec menu 4 8 OVERRUN ADJUSTMENT The product when served is acombination of air and mix Overrun is a measure of the amount of air blended into the mix Overrun can be expressed in terms of the amount of weight loss for a given volume For example if a pint of liquid mix weighs 18 ounces and a pint of frozen product with air added weighs 12 ounces the overrun is said to be 50 percent 18 oz 12 oz 6 oz 6 12 x 100 50 The overrun can be checked by placing a one pint con tainer on an ice cream scale and zeroing out the scale Then fill a one pint container with frozen product The container should be filled over the top and leveled with a straightedge The product should not contain any air pockets When weighed on an ice cream scale one pint of product should weigh 12 to 13 ounces The mix pump has been preset at the factory to produce a product with approximately 4096 overrun Because of differences in mix formulation temperatures and baro metric pressure this figure may vary It will be necessary for approximately 2 gallons of mix to be pumped through the machine before overrun changes in the product are noticeable Overrun is controlled by the length of the air compressor piston stroke within the piston cylinder Lengthening the stroke within the cylinder will incre
56. nnnnnnnnnnnnnnnnnnnnnnnnnnnn nenn 37 SECTION 1 INTRODUCTION 1 1 DESCRIPTION The Stoelting F431 floor model machine is pressure fed The machine is equipped with fully automatic controls to provide a uniform product The machine is designed to operate with almost any type of commercial soft serve or non dairy mixes available including ice milk ice cream yogurt and frozen dietary desserts This manual is designed to assist qualified personnel and operators in the installation operation and maintenance of the Stoelting Model F431 pressure machine Figure 1 1 Model F431 Machine AIR AND WATER COOLED MODELS 19 1 8 37 3 4 48 6 cm 95 8 cm 55 8 i 67 7 8 172 3 cm 51 3 16 130 1 cm 40 3 8 102 6 cm 34 86 4 cm lt FRONT RIGHT SIDE 14 4 cm AIR JUNCTION BOX Figure 1 2 Machine Specifications 1 1 2 SPECIFICATIONS Machine with crate 19 1 8 48 6 cm 27 68 6 cm 67 7 8 172 4 cm 78 198 1 cm 37 3 4 95 9 cm 48 121 9 cm 1 Phase 208 230 VAC 60Hz 24A minimum 30A maximum 11 000 Btu hr Scroll Compressor Drive Motor Two 3 4 hp Air Flow Air cooled units require 3 7 6 cm air space on both sides 6 back Plumbing Fittin Water cooled units require 1 2 N P T water and drain fittings Hopper Volum Two 5 5 gallons 2
57. nt 2 Connect two mix containers or two mix bags as described above but connect both containers to the mix line manifold of the freezing cylinder you will be using C MIXLOWLEVELINDICATOR ADJUSTMENT Thesensitivity of the Mix Low indication that displays onthe control panel can be adjusted to operator preference If more advanced notice of low mix is required simply loosen the black adjustment knobs located on the sensor brackets at the back of the machine cabinet and slide the bracket upwards Ifthe Mix Low message appears while there is still sufficient mix in the container slide the bracket downward Be sure to tighten the adjustment knobs after properly positioning the sensor see Figure 2 6 SECTION 3 INITIAL SET UP AND OPERATION 3 1 SAFETY PRECAUTIONS 3 2 OPERATING CONTROLS AND SAFE OPERATION IS NO ACCIDENT observe these INDICATORS rules A B C Before operatingthe machine itis required thatthe operator Know the machine Read and understand the knowthe function of each operating control Refer to Figure operating instructions 3 1 forthe location ofthe operating controls on the machine For the information regarding error codes displayed on the control panel refer to the troubleshooting section of this Wear proper clothing Avoid loose fitting garments manual and remove watches rings or jewelry which could cause a serious accident Maintain a clean work area Avoid accidents by cleaning the area a
58. of the auger Assemble the front auger support onto the auger bearing NOTE Position the front support on auger so legs do not interfere with the pin on the back of the front door assembly Front door must push auger in slightly when it is being tightened to prevent the rear seal from leaking Install the spigots through the bottom of the front door see Figure 3 9 Assemble the air bleed valve o ring onto the air bleedvalves Positionthe o ring in groove close to the wide part Apply athin film of sanitary lubricant to the o rings Insertthe air bleed valves from the back of the front door Install compression springs onto air bleed valves then screw knobs on finger tight Apply a thin film of sanitary lubricant to the door sealo rings and fitinto the grooves onthe rear of the front door Place the front door assembly on the mounting studs and push front door against the machine carefully Secure front door assembly by placing the knobs on the studs and alternately tighten opposite corners until finger tight only Do not overtighten Proper o ring seal can be observed through the transparentfront door 3 9 SANITIZING Sanitizing mustbe done afterthe machine is clean and just When sanitizing the machine refer to local sanitary regu lations for applicable codes and recommended sanitizing products and procedures The frequency of sanitizing must comply with local health regulations Mix sanitizer accord ing
59. onnect the mix pump hose to the elbow fitting Press SET button to enter edit mode located on the left side of the mix line manifold J Press the up arrow button f to increase the using a small hose clamp Be careful not to twist numbertothe value required The valueincreases the mix hose by 1 each time the up arrow button is pressed M Turn the pump on After the value reaches 9 numbering restarts at 0 N Allow the remaining 6 15cm of tubing to feed K Press SET button to save the setting and exit the through the pump until the hose adapter prevents edit mode further feeding L Press the up arrow and left arrow lt buttons to navigate to ExitMenu O Turn the pump off Press the up arrow button f from ExitMenu to CAUTION return to the Mode Screen Locate the Specification Sheet for 50412 Control Risk of Product Damage behind the header panel and record the new Air Mix Tee must remain below the black cover values on this sheet clamp If the Tee is above the pump the mix may drain into the air compressor resulting in pump dam DRIVE BELT TENSION ADJUSTMENT age Remove a side panel and the back panel P Connect the free end of the mix pump hose to the 3 way Tee When all connections are complete the 3 way Tee must be lowerthan the black pump housing Hazardous Voltage Q The pump is now ready to sanitize The Main Freezer Power switch must be placed in the OFF position when disasse
60. ons am titan a GR neve 9 3 2 Operating Controls and Indicators ooocconncccnncncnnnncccnnncccnnnnrncnn nan ccccnnn nana 9 3 3 Important Cleaning and Sanitizing 11 3 4 Disassembly of Machine Parts ssseeeennee 12 3 5 Cleaning Disassembled Parts cccccecceeeeceeeeeeeeeeeeeaeeeeeaeeeeeneeeeeeaeees 13 3 6 Sanitizing Machine Parts 14 3 7 Cleaning the Machine essen nennen 14 3 8 Assembling the Machine enne 14 3 9 Sanitizing Assembled Machine sess 15 3 10 Initial Freeze Down and Operation 16 3 11 Normal Freeze Down and 18 3 12 Mix intormation oli klin 18 3 13 Operation of Mix Pump 19 3 14 Mix Pump Cleaning oocccccnnoccnncononananancnonanoncnnonncnnnnnn cnn nnne 19 3 15 Disassembly and Inspection of Removable Parts 19 Section Section 4 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 4 10 4 11 4 12 4 13 4 14 4 15 Section 5 5 1 5 2 5 3 5 4 Section 6 6 1 6 2 6 3 Description Page Maintenance and Adjustments Machine Adjustment 21 Product Consistency Adjustment ssssssssseeeenne 21 Locking Out
61. opening of the spigot To adjust product dispense rate turn the adjusting knob clockwise for slower flow and counterclockwise for faster flow It takes at least five complete turns of the adjusting knob to make a noticeable difference in the dispense rate K High Head Pressure Cutout If the head pressure exceeds 445 psig 28 bar the high head pressure cutout will trip It will automatically reset after about 10 15 minutes L Front Door Safety Switch The front door safety switch prevents the auger from turning when the front door is removed The switch is open when the door is removed and closed when the door is properly installed M Menu Navigation Buttons The Menu Navigation Buttons allow the user to display information regarding the machine s status of operation as well as adjust product consistency Fig 3 2 _ PUSH TO FREEZE Figure 3 2 IntelliTec Control Selection Button SEL The SEL button is used combination with the up arrow to enter into the settings ofthe IntelliTec control This buttonis also used to navigate through the control settings menu SetButton SET During normal operationthe SET button is used to save a change made to the product consistency setting Itis also usedto save changes when modifying control settings Left Arrow Button lt During normal operation if the left arrow button is pressed for 5 seconds the display will remain lit To turn the light off press t
62. or from product breakdown Another common cause results from a restriction preventing mix from entering the freezing cylinder Check the mix in the cabinet If the level mix is low add mix If there is a possibility thatthe mixis broken down clean and sanitize the machine and replace the mix with fresh product Ice crystals in the liquid mix container can clog the mix inlet system and prevent mix from entering the freezing cylinder Thoroughly thaw mix per manufacturer s recommendations To check for ice crystals pour a small amount of product in the mix container through a clean and sanitized sieve or strainer If ice crystals are in the mix checkthe temperature of the walk in cooler where the mix is storedorthetemperature ofthe machine s cabinet Checkthe condition ofthe neoprene hose running through the mix pump head If it shows signs of wear rotate or replace it as outlined in Section 3 In air cooled machines the Run Time Error may indicate that airflow within the machine has reduced or stopped Check the sides and top of the machine for anything that would restrict airflow If the error persists after attempting to clear it contact your Authorized Stoelting Distributor for further assistance Error Code 4 Clean If the machine is left in the Clean Mode for more than 20 minutes the control panel will display a Clean Error Error 04 This condition does not reflect a problem with the machine itself The Clean Error has
63. ower OFF ON and Freezing Cylinder OFF ON switches inthe ON position then press the CLEAN button Fig 3 11 E Check for leaks when the freezing cylinder is first pressurized with sanitizing solution 1 Check for leaks at the front door seals 2 Checkthe drain located above the center of the Drip Tray for leaks coming from the rear of the Rear Auger Seal 3 Check inside the cab unit for leaks at hose connections F Using a sanitized soft bristle brush or equivalent dipped in sanitizing solution clean mix container G After five minutes open spigot to expel sanitizing solution Drain all solution from machine using all three spigots H When solution has drained press the CLEAN buttonto stopthe auger and place the Main Power OFF ON Freezing Cylinder OFF ON switches in the OFF position Allow the machine barrel to drain completely The machine is now sanitized and ready for adding mix 3 10 INITIAL FREEZE DOWN AND OPERATION Every Stoelting soft serve machine needs to be set onsite The following adjustment will provide optimal product con sistency while prolonging product life NOTE The machine is designed for correct operation in am bient temperatures between 50 F and 110 F Tem peratures out of that range may cause refrigeration problems and product quality issues NOTE Do the initial adjustment for the left side and right side separately A ADDING MIX 1 2 Sanitize immediately b
64. ror code details the IntelliTec control records rolling averages of run statistics Following are the readings available under the RUNSTATS menu On Times sec The control records the time of each freezing cycle and provides a rolling average Off Times sec The control records the time between freezing cycles and provides a rolling average Brl Min F The lowest average barrel temperature recorded Max F The highest average barrel temperature recorded Stor Min F The lowest average cabinet temperature recorded Stor Max F The highest average cabinet temperature recorded is is is is Power On hrs This value is a record of the time the machine has been in service If power is interrupted the timer will reset 4 6 ONLY The following adjustments directly affect product consis tency and length of time in Serve Mode The default settings have been created using a 596 milkfat soft serve mix and provide optimal product consistency while pro longing product life CutOut amps ADJUSTMENTS SERVICE PERSONNEL Itis recommendedto set the CutOut value atinitial startupandwhenchanging mixtypes Adjustments to this setting directly affect the length of the freezing cycle and indirectly change product consistency To properly set the CutOut value during startup navigate to the F and amps values under the Display menu Refer to Section 4 4 start the machine and freeze the produ
65. s sheetlocated in the information pouch behind the header panel of the machine If any of the following settings on the IntelliTec control differ from the System Settings sheet itis recommended to return those settings to factory defaults Stir On sec Adjustments to this setting affect the amount of time the auger rotates in the stir cycle The stir cycle occurs in Serve Mode Standby Mode and Sleep 2 Mode Stir Off sec Adjustments to this setting affect the time between stir cycles The stir cycle occurs in Serve Mode Standby Mode and Sleep 2 Mode On Time sec Increasing this value willincrease the length of the freezing cycle during Standby Mode and result in a decrease of average product temperature in the barrel Off Time sec Increasingthis value willincreasethe time between freezing cycles in Standby Mode andresultin an increase of product temperature in the barrel Stb Time sec This setting determines the total amount of time in Standby Mode SH DrvOn sec Adjustments to this setting affect the amount of time the auger rotates in the stir cycle This stir cycle only occurs in Sleep 1 Mode SHDrOff sec Adjustments to this setting affect the time between stir cycles The stir cycle only occurs in Sleep 1 Mode SI2Cutln F Changing this setting affects the temperature at which the freezing cycle starts in Sleep 2 Mode SI2CtOut F Changing this setting af
66. the pick up hose to the mix bag remove as much air from the mix bag as possible 1 Mix pump hose kinked inside black Out of Mix cover clamp Hoses assembled incorrectly Mix pump hose service life is exceeded Mix pump hose not connected to machine Ice crystals in mix Mix bag drawn against adapter Foreign objects in mix Check valve is backwards Overrun setting too low Airleak Air compressor not pumping air Air check valve in backwards 32 Replenish mix supply Disconnect pump from power source Remove four cover clamp thumb screws Separate cover clamp halves and remove outer half Remove jammed hose Clean and re install cover clamp and tighten four thumb screws securely Allow motor thermal overload to reset Refer to diagram for correct hose connections Reposition replace mix pump hose See Section 4 9 Connect mix pump hose to machine 6 7 8 9 1 2 3 4 Completely thaw mix prior to use Assure bag is clear of pick up tube Clear blockage Use fresh mix Observe flow arrow for proper orientation Increase overrun setting Tighten all hose clamps Contact local Stoelting Distributor Check arrow for direction of flow PROBLEM POSSIBLE CAUSE REMEDY 1 Mix pump hose service life is 1 Reposition replace mix pump hose exceeded 2 Out of mix 2 Replenish mix supply 3 Overrun setting too high 3 Decrease overrun setting 4
67. to manufacturer s instructions to provide a 100 parts per million strength solution Mix sanitizer in quantities of no less than 2 gallons of 90 F to 110 F 32 C to 43 water CAUTION Risk of Product Damage Avoid prolonged contact of sanitizer with machine parts Prolonded contact of snitizer with machine may cause corrosion of stainless steel parts Allow sanitizer to contact the surfaces to be sanitized for 5 minutes Any sanitizer must be used only in accordance with the manufacturer s instructions Prepare 3 gallons of sanitizing solution following manufacturer s instructions Pour into clean container and place container into the cabinet Place the mix pump switch in the ON position and open air bleed valve on the front door by pushing valve in and holding see Figure 3 10 2 Air Bleed Valves Li x X b 2 before the machine is filled with mix Sanitizing the night before is not effective However you should always clean the machine and parts after using it The United States Department of Agriculture and the Figure 3 10 Air Bleed Valves Let sanitizing solution fill the machine barrel to air bleed valve then close the valve by pulling out to lock in place Food and Drug Administration require that all cleaning and sanitizing solutions used with food processing equipment be certified for this use Clean Switch Figure 3 11 Clean Control D Place the Main P
68. to the ON position MIX PUMP HOSE REPOSITION Mix pump hose must be repositioned every 800 gallons of mix pumped or every 2 weeks Failure to reposition the hose will result in reduced mix pump liquid capacity dispense stoppage popping and possible mix pump hose leakage Follow the steps below to reposition the hose A B C Run cleaning solution through pump Turn the pump off and relieve any pressure by opening the spigot Grasp the pickup hose end of the mix pump hose with one hand and turn the pump on Pull down on the pickup hose end until 12 to 14 inches of tubing has fed through the pump then turn the pump off Fig 4 3 25 12 to 14 Figure 4 3 Pump Hose Reposition Loosen the small clamp at the pick up hose adapter and disconnect the mix pump hose Cut 7 1 2 inches off the end of the mix pump hose Reconnect the mix pump hose to the adapter Continue normal operation Mix hose will automatically reposition itself with the adapter near the black cover NOTE Each hose is long enough for 3 repositions before replacement is required 4 10 MIX PUMP HOSE REPLACEMENT Mix pump hose must be replaced when tubing cannot be further repositioned every four to eight weeks Failure to comply will result in hose failure and possible pump damage Follow the steps below to replace the hose A B C Run cleaning solution through pump Turn the pump
69. uipment be certi fied for this use Use Lubricants only in accordance with the manufacturer s instructions A Assemble all o rings onto parts dry without lubrication Then apply a thin film of sanitary lubrication to exposed surfaces of the o rings B Lubricate rear seal area on auger shaft with a thin layer of sanitary lubricant Install the rear seal o ring Lubricate outside of rear seal o ring with sanitary lubricant C Install stainless steel rear seal adapter into rear sealdry withoutlubricant Lubricate inside surface of rear seal adapter and install onto auger shaft DO NOT lubricate outside of rear auger seal see Figure 3 7 Petrol Gel Y W Hex Drive Anti Seize 28 Figure 3 7 Rear Seal Lubrication Lubricate the hex drive end of auger with a small amount of hex drive anti seize A small container of anti seize is shipped with the machine Screw the springs onto the studs in plastic flights Spring mustbe screwed into the flights completely to provide proper tension see Figure 3 8 Figure 3 8 Spring Installation Install the two plastic flights onto rear of the auger and insert part way into machine barrel Install the remaining plastic flights push the auger into the machine barrel and rotate slowly until the auger engages the drive shaft Apply a thin film of sanitary lubricant to the inside and outside ofthe front auger support bearing then place on the front
70. y When the switch is placed in the OFF position the mix pump will be inoperative NOTE The mix pump motor is equipped with an internal overload that will trip disabling the pump when the motor is overloaded Consult the trouble shooting section for corrective information The internal over load will automatically reset after cooling If the con dition continues contact a qualified service person Mix Operation The peristaltic mix pump contains one continuous mix pump hose When looking at the face ofthe peristaltic mix pump the left side of the hose is the suction or pickup The right side of the hose is the discharge Mix is drawn up the suction side of the hose and transferred through the discharge side to the machine see Figure 3 15 Air Line N4 Air mix to Freezing Cylinder 3 way Tee Mix Intake Figure 3 15 Mix Pump Hose Routing Air Operation The air compressor operates whenever the peristaltic mix pump is running Air enters through a check valve on the piston downstroke The airis discharged through a second check valve on the piston upstroke The air and mix join at the tee and then travel to the machine The overrun adjustment is preset at the factory If anadjustment becomes necessary referto Section 4 19 NOTICE Any cleaning procedure must always be followed by sanitizing before filling machine with mix Refer to section

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