Operation Manual 01/2006
Contents
1. Y STOELTING SKA Polar Ware Company E111 11 IntelliTec Models OWNER S MANUAL Manual No 513532 5 Jan 2006 Rev 0 Need Parts or Service l de A AA KC d M We stock the parts you need Our Technicians are factory trained and are certified in the Stoelting Technicare program CALL Distributor Phone No Model No Serial No Purchase Date Start Up Date Owner s Manual For Endura E111 and Futura F111 Stoelting Counter Model Gravity Freezer Soft Serve This manual provides basic information about the freezer Instructions and suggestions are given covering its operation and care The illustrations and specifications are not binding in detail We reserve the right to make changes to the freezer without notice and without incurrring any obligation to modify or provide new parts for freezers built prior to date of change DO NOT ATTEMPT to operate the freezer until instructions and safety precautions in this manual are read completely and are thoroughly understood If problems develop or questions arise in connection with installation operation or servicing of the freezer contact the company at the following location STOELTING LLC Ph 800 558 5807 502 Hwy 67 Kiel WI 53042 Fax 800 545 0662 A Few Words About Safety Safety Information Read and understand the entire manual before operating or maintaining Stoelting equipment This Owner s Manual provides the operator with information for2. K Look for the proper seal between the freezer barrel o ring and front door L Install the mix inlet regulator into the freezer with the air tube to the front of the freezer M Install hopper cover and drain tray 3 12 ROUTINE CLEANING To remove spilled or dried mix from the freezer exterior simply wash in the direction of the finish with warm soapy water and wipe dry Do not use highly abrasive materials as they will mar the finish Do not place the mix inlet regulator into the hopper before installing the auger Attempting to install the auger with the mix inlet regulator in place will dam age the mix inlet regulator 3 13 PREVENTIVE MAINTENANCE lt is recommended that a maintenance schedule be fol Install the two plastic flights onto rear of the auger and insert part way into freezer barrel Install the remaining plastic flights push the auger into the freezer barrel and rotate slowly until the auger engages the drive shaft Install the bushing and auger support into the front of the auger with one leg of the support pointing Straight up Install the spigot body with o ring into the front door from bottom Fig 3 14 Push straight up until the spigot is in place O O Figure 3 14 Front Door Parts 12 lowed to keep the freezer clean and operating properly Cleaning and Sanitizing Information Soft serve freezers require special consideration when it comes to food safety and proper cleaning and saniti
3. 13 4157968 Auger 1 1 14 694255 Spring Auger Flight 3 4 15 381804 Auger Flight 3 4 16 624678 O Ring Rear Seal 1 1 17 666786 Rear Seal 1 1 23 1 C STOELTING 11 A Polar Ware Company WARRANTY SOFT SERVE SHAKE FREEZERS LILET Scope Stoelting LLC warrants to the first user the Buyer that the freezer cylinders hoppers compressors drive motors speed reducers auger and auger flights of Stoelting soft serve shake freezers 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 workmanship under normal use and proper maintenance appearing within twelve 12 months after the date that such equipment is originally installed Disclaimer of Other Warranties THIS WARRANTY IS EXCLUSIVE AND STOELTING HEREBY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR PARTICULAR PURPOSE 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 th
4. spigot to catch the liquid mix D Place the Main Freezer Power OFF ON switch in the OFF position 3 7 CLEANING THE FREEZER NOTE The frequency of cleaning the freezer and freezer parts must comply with local health regulations After the mix has been removed from the freezer the freezer must be cleaned To clean the freezer refer to the following steps A Close the spigot and fill the hopper with 2 gallons 7 5 liters of cold tap water B Place the Main Freezer Power OFF ON switch in the ON position and press the CLEAN switch The auger will start to rotate C Allow the water to agitate for approximately 5 minutes NOTE If freezer is left in CLEAN for more than 20 minutes the display will show an error code To reset place the Main Freezer Power OFF ON switch in the OFF position and back in the ON position Open the spigot to drain the water Remember to place a bucket or container under the spigot to catch the water When the water has drained turn the OFF ON switch to the OFF position Allow the freezer barrel to drain completely Repeat Steps A through D using a mild detergent solution and warm water 3 8 DISASSEMBLY OF FREEZER PARTS Hazardous Moving Parts Revolving auger shaft can grab and cause injury Place the Main Freezer Power OFF ON switch in the OFF position before disassembling for cleaning or servicing Inspection for worn or broken parts should be made each time the freezer is disassembl
5. No vent space for free flow of cooling air Air temperature entering condenser is above 100 F Condenser is dirty Consistency setting too soft Stabilizers in mix are broken down Auger is assembled wrong Refrigeration problem No mix in hopper Small portions are being dispensed in a short time Consistency temperature setting IS too firm Consistency temperature control failure Line voltage fluctuating No mix in hopper Mix inlet regulator tube is plugged Mix is very thick or viscous Capacity of freezer is being exceeded Drive motor overload tripped Drive belt failure Freeze up Auger will not turn IN k N w SE T N N 3 4 O 6 T REMEDY Supply power to freezer Replace or reset Turn OFF ON switch to OFF for 15 minutes then restart Reset high pressure cut out Assemble front door in place Fill hopper with mix Replace drive belt Readjust Call distributor for service Check system Call distributor for service Press the PUSH TO FREEZE push button Wait until SERVE is displayed on LCD panel before dispensing A minimum of 3 inches of vent space required See Section 2 Change location or direct hot air away from freezer Clean See Section 3 Readjust Call distributor for service Remove mix clean sanitize and freeze down with fre
6. 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 a prerequisite 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 pro cedures that involve milkstone removal are critical for operators of frozen dessert machines SANITIZING Kills bacteria Can be effective on clean surfaces only DOES NOT clean or remove milkstone 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 maintenance can involve a wide variety of products and procedures Overall the products and pro cedures fall into three separate categories Please note that this is a brief overview intended for informational purposes only 1 CLEANING This involves draining mix from the freezer barrel and rinsing the machine with water Next a cleaner is run through the ma
7. hazardous situation which if not avoided may result in minor or moderate injury and equipment property damage CAUTION The signal word CAUTION not preceded by the safety alert symbol indicates a potentially hazardous situa tion which if not avoided may result in equipment property damage NOTICE The signal word NOTICE indicates information or procedures that relate directly or indirectly to the safety or personnel or equipment property TABLE OF CONTENTS SECTION DESCRIPTION PAGE 1 INTRODUCTION 1 1 PSTN ende 1 1 2 Specifications kA 1 2 INSTALLATION INSTRUCTIONS 2 1 Safety Precautions oocccccccnncccccncocncncconnnnonocnnonnnnonnnnnnnnnrnnonnrnnonnnnnnnnnnnnnannnnnncnenonens 3 2 2 Shipment and Trans 4 2 3 Freezer Installation E 4 3 INITIAL SET UP AND OPERATION 3 1 Operator s Safety Precautions 2 22002222000200n0 nenne enennne nenne nennen nennn nennen nennen 5 3 2 Operating Controls and INdiCatorS ccoocccccconnnccccnnnononononanononononononcncnnanononanononons 5 3 3 Sanitizing oy 7 3 4 Freeze Down and Operation 8 3 5 Mix Information EE O o EFE OR 9 3 6 Removing Mix From Freezer E 9 3 7 Gleanmgfhetreezer nennen nennenennennnnnnnnnnnnennenennensnnn nennen 9 3 8 Disassembly of Freezer Parts nenn nenne nenn nnnnennnn nenne nennen 9 3 9 Cleaning The Freezer hate 11 3 10 Sanitize Freezer and Freezer arts 11 3 11 Assembly of Freezer nenn nnnnnnnnnnnnnnnnnn nenne nenn ne
8. the freezer A Sanitize just prior to use B Place the Main Freezer Power OFF ON switch in the OFF position NOTE Make sure the mix inlet regulator is in place before adding mix C With spigot open pour approximately 1 gallon 3 8 liters of fully thawed mix into the hopper Allow the mix to flush out about 8 ounces 0 23 liters of sanitizing solution and liquid mix Close the spigot D Fill hopper with approximately 3 gallons 11 4 liters of pre chilled 40 F or 4 C mix NOTE Do not overfill the hopper Mix level must not be higher than the air inlet tube on the mix inlet regula for E The freezer barrel will automatically fill until it is about 1 2 full If freezer barrel does not fill check for obstruction in the mix inlet regulator If freezer barrel fills over 1 2 full indicated by low overrun check for leaks at the mix inlet regulator o ring or check if the mix inlet regulator was installed correctly or that the freezer is level F Place the Main Freezer Power OFF ON switch in the ON position then pressthe PUSHTOFREEZE switch NOTE After the drive motor starts there is a3 second de lay before the compressor starts G After about 6 to 10 minutes the product will be at consistency and the LCD screen will display SERVE The product is ready to serve Freeze down time may be longer for some frozen diet dessert mixes High ambient temperatures may extend freeze down time z D h E B
9. the safe operation and maintenance of Stoelting equipment As with any machine there are hazards associated with their operation For this reason safety is emphasized throughout the manual To highlight specific safety information the following safety definitions are provided to assist the reader The purpose of safety symbols is to attract your attention to possible dangers The safety symbols and their explanations deserve your careful attention and understanding The safety warnings do not by themselves eliminate any danger The instructions or warnings they give are not substitutes for proper accident prevention measures If you need to replace a part use genuine Stoelting parts with the correct part number or an equivalent part We strongly recommend that you do not use replacement parts of inferior quality Safety Alert Symbol This symbol Indicates danger warning or caution Attention is required in order to avoid serious personal injury The message that follows the symbol contains important information about safety Signal Word Signal words are distinctive words used throughout this manual that alert the reader to the existence and relative degree of a hazard A WARNING The signal word WARNING indicates a potentially hazardous situation which if not avoided may result in death or serious injury and equipment property damage A CAUTION The signal word CAUTION indicates a potentially
10. this button will save a change made to the product consistency setting Refer to Section 3 15 for consistency adjustment procedures Left Arrow Button Pressing any button on the control panel will automatically illuminate the display The backlight will turn off several seconds after use To keep the display constantly light press and hold the left button for five seconds The backlight function can be reset to normal operation in the same manner Up Arrow Button Pressing this button will change the value of the product consistency Refer to Section 3 15 for consistency adjustment procedures 3 3 SANITIZING Sanitizing must be done after the freezer is cleaned and just before the hopper is filled with mix Sanitizing the night before is not effective However you should always clean the freezer and parts after each use THE UNITED STATES DEPARTMENT OF AGRI CULTURE AND THE FOOD AND DRUG ADMIN ISTRATION REQUIRE THAT ALL CLEANING AND SANITIZING SOLUTIONS USED WITH FOOD PROCESSING EQUIPMENT BE CERTIFIED FOR THIS USE When sanitizing the freezer refer to local sanitary regula tions for applicable codes and recommended sanitizing products and procedures The frequency of sanitizing must comply with local health regulations Mix sanitizer according to manufacturer s instructions to provide a 100 parts per million strength solution Mix sanitizer in quantities of no less than 2 gallons 7 5 liters of 120 F water A
11. EEZE button NOTE After the drive motor starts there is a3 second de lay before the compressor starts LEDs The membrane switch features two lights a green LED and an amber LED The green LED is lit during serve mode During freeze down the green LED is not lit When product consistency approaches 90 in the freezing cylinder the green LED flashes The amber LED is lit during all other modes In the event of an error or when the freezing cylinder is off both LEDs will alternatively flash NOTE If the freezer shuts off and alternating green and amber lights flash on the control panel the freezer is running in the hopper only mode or the freezer is in an error condition Note the display on the LCD screen If the screen displays an error turn the Main Freezer Power OFF ON switch to the OFF posi tion correct the problem Refer to Troubleshooting in Section 4 and turn the freezer back on CLEAN Switch The CLEAN button will stop all refrigeration and start the auger rotatating ACLEAN message will display on the LCD screen and a 5 minute countdown begins To exit the CLEAN mode press the CLEAN button again Ifthe freezer is left in CLEAN for more than 30 minutes it will go into an error to prevent damage to the freezing cylinder When this error occurs refrigeration will start to prevent mix spoilage To reset place the Main Freezer Power OFF ON switch in the OFF position and back in the ON position G Mix L
12. HOPPER 3 Gallons 11 5 liters refrigerated and insulated SECTION 2 INSTALLATION INSTRUCTIONS 2 1 SAFETY PRECAUTIONS Do not attempt to operate the freezer until the safety precautions and operating instructions in this manual are read completely and are thoroughly understood Take notice of all warning labels on the freezer The labels have been put there to help maintain a safe working environment The labels have been designed to withstand washing and cleaning All labels mustremain legible forthe life ofthe freezer Labels should be checked periodically to be sure they can be recognized as warning labels ATTENTION This freezer hos toom insulation that has been formed with refrigerant gas The insulation may emit refrigerant vapors which could deceive leak detectors and give tolse readings SEH ELECTRIC SHOCK HAZARD DISCONNECT FROM THE SOURCE OF ELECTRICAL SUPPLY IN BUILDING BEFORE SERVICING UNIT mies CAUTION HAZARDOUS MOVING PARTS DO NOT OPERATE UNIT WITH OUTER COVERING REMOVED 324107 MODEL SET PUSHBUTTON j DISPLAY LJ see m I us COD sec m se d 3 d wm FAO s CL ra sw 6 DD TF sm a NCAUTION HAZARDOUS ROTATING BLADES DO NOT OPERATE UNIT WITH FRONT DOOR OR SPIGOT REMOVED WIR I re ARR K Low LKG CYCLE SET AT EN CO we ee If danger warning or caution labels are needed indicate thepartnumber type oflabel loc
13. ION 1 DESCRIPTION AND SPECIFICATIONS 1 1 DESCRIPTION The Stoelting Endura Futura 111 counter freezers are gravityfed Thefreezers are equipped with fully automatic controls to provide a uniform product The freezers are designed to operate with almost any type of commercial soft serve or non dairy mix available including ice milk ice cream yogurt and frozen dietary desserts This manual is designed to assist qualified service personnel and opera tors in the installation operation and maintenance of the Stoelting E111 and F111 gravity freezers Figure 1 1 Model E111 amp F111 Freezer 39 2 157 16 F111 29 4 119 16 E111 AC CC IUCN 73 5 28 15 16 Figure 1 2 Freezer Specifications 1 MODEL ENDURA FUTURA 111 COUNTERMODEL GRAVITY FREEZER DIMENSIONS Freezer 15 38 cm wide x 28 6 72 cm deep x 35 6 90 cm high Crated 19 5 50 cm wide x 33 84 cm deep x 40 102 cm high WEIGHT Freezer 230 Ibs 140 kg Crated 275 Ibs 125 kg ELECTRICAL Description Endura 111 371 Futura 111 381 Voltage AC 1 PH 115V 1 PH 208 230 Total Run Amps 14 00 10 00 Drive Motor 3 4 HP 3 4 HP Use 20 amp HACR circuit breaker Automatic safeguard circuit built into electronic control protects major freezercomponents under abnormal operating conditions COOLING Air cooled requires minimum 3 7 6 cm air clearance on right and left hand side No clearance needed in the rear See Fig 5
14. NG 4 1 ERROR CODES When the freezer experiences a problem one of the following error codes will be displayed onthe 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 CON OO Bb Go bh Cab Sensor 9 10 11 To return the freezer to normal operation any error caus ing condition must be corrected and the Freezing Cylinder Off On switch must be placed in the Off position and back in the On position before the affected side of the freezer will return to normal operation High Pressure Cutout Auxiliary Sensor Low Temperature 4 2 TROUBLESHOOTING 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 freezer 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 125 of the preset CutOut amp setting for 10 or more seconds This may be due to the product consistency adjustment being set too high Place the Main Power OFF ON switch in the OFF position wait until the product inthe barrel thaws to a reasonably soft consistency and return the switch to the ON position Follow the instructions in Section 3 to reduce the product consistency by a few levels If th
15. TOELTING BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES WHETHER FOR BREACH OF WARRANTY OR OTHER CONTRACT BREACH NEGLIGENCE OR OTHER TORT OR ON ANY STRICT LIABILITY THEORY
16. art Description 208135 Brush 4 X 8 X 16 Barrel 208380 Brush 1 4 X 14 X 3 208401 Brush 1 X 3 X 10 208467 Brush 3 8 x 1 x 5 324105 Decal Caution Electrical Shock 324106 Decal Caution Electrical Wiring Materials 324107 Decal Caution Hazardous Moving Parts 324141 Decal Caution Rotating Blades 324208 Decal Attention Refrigerant Leak Check 324509 Decal Cleaning Instructions 324566 Decal Wired According To 324584 Decal Adequate Ventilation 3 324594 Decal Attention Heat Sensitive 324686 Decal Danger Automatic Start 324803 Decal Domed Stoelting Logo Large Header Panel 324804 Decal Domed Stoelting Swirl Header Panel 324825 Decal Main Freezer Power 508048 Spline Lubricant 2 oz Squeeze Tube 508135 Petrol Gel 4 oz Tube 1183436 Small Parts Kit 21 E111 amp F111 REPLACEMENT PARTS Ref Part Description Qty in E111 Qty in F111 1 314452 Hopper Cover 1 1 2 2149238 Mix Inlet Regulator 1 1 3 624677 O Ring Mix Inlet Regulator 2 2 4 744283 Drip Tray 1 1 5 744284 Drip Tray Insert 1 1 6 744262 Drain Tray 1 1 7 3159696 Spigot 1 1 624598 O Ring Spigot Top amp Bottom 2 2 8 482019 Knob Front Door 2 2 9 2177698 Front Door 1 1 10 625133 O Ring Front Door Red 1 1 11 3170644 Auger Support 1 1 12 149003 Auger Bushing 1 1
17. ation oflabel and quantity required along with your address and mail to STOELTING INC ATTENTION Customer Service 502 Hwy 67 Kiel Wisconsin 53042 WIRED ACCORDING TO WIRING DIAGRAM A RE Ke 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 SEE OWNERS MAKUAL mme ATTENTION FREEZER REQUIRES ADEQUATE VENTILATION RECOMMENDED CLEANING SANITIZING CHECKLIST ERR OPERATING MANUAL FOR COMPLETE DEMGRATKIN TURN RAN EWITCH TO CLEAN FORT DRAN WE CAUTION ELECTRIC WIRING MATERIALS ARRANGEMENT amp GROUNDING MUST CONFORM WITH NATIONAL AND OTHER APPLICABLE ELEC CODES 324106 Figure 2 1 Warning Label Locations 2 2 SHIPMENT AND TRANSIT The freezer has been assembled operated and inspected at the factory Upon arrival at the final destination the complete freezer must be checked for any damage which may have occurred during transit With the method of packaging used the freezer 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 freezer 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 carrie
18. ce Error Code 4 Clean If the freezer 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 freezer itself The Clean Error has been programmed into the controller as a safeguard to protect the freezer from potential damage caused by the freezer 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 clear the Clean Error place the Freezing Cylinder Off On switch in the Off position and back in the On position After the Clean Error has been cleared the freezer will start a refrigeration cycle to protect the product in case the clean button was pressed by mistake Error Code 5 Freezing Cylinder Sensor The Freezing Cylinder Sensor Error E5 indicates a failure of the barrel sensor or an extreme out of range condition lt 34 F or gt 99 F If the control panel displays an E5 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 NOTE When the freezer encounters a Freezing Cylinder Sensor Error the freezer will continue to run using preset timers This mode will allow the operator to continue serving product until the freezer can be serviced Error Code 6 Hopper Sensor single ho
19. chine Then the machine is disassembled and removable parts are taken to the sink for cleaning MILKSTONE REMOVAL Since almost all cleaners do not have the ability to remove milkstone the use of a delimer becomes necessary Although this procedure may not be needed on a 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 13 SANITIZING After the machine has been cleaned and contains no milkstone the machine is reassembled Then a FDA approved sanitizing solution isrunthroughthe machinetokillbacteria The machine is then ready for food preparation As a recommended cleaner and sanitizer for your frozen dessertmachine STERA SHEEN has proven to 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 approved no rinse sanitizer for 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
20. e 18 Error Code 11 Low Temperature The Low Temperature Error E11 occurs when thetemperature ofthe gasrefrigerantatthebarrel sensor falls below 20 F or 34 F depending on model Although the freezer will not shut down the active freezing cycle will immediately end This error usually occurs when the freezer continues to run in a low mix condition or if the freezer runs out of mix The product towards the front ofthe barrel 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 4 3 Troubleshooting Charts PROBLEM Freezer does not run Freezer will not shut off OND LO A GA N POSSIBLE CAUSE Power to freezer is off Fuse or circuit if blown or tripped Freeze up auger will not turn High pressure cut out tripped Front door not in place Not enough mix in hopper Drive belt failure Consistency temperature setting is too firm Refrigeration problem Product is too soft Product is too firm Product does not dispense 1 Product is being dispensed before SERVE is displayed on LCD panel 2 3 4 D 6
21. e qa D Figure 3 6 Dispensing Product H For normal dispensing pull the spigot handle down to fully open the spigot Fig 3 6 NOTE Refrigeration is automatically activated when the spigot is opened Close the spigot completely after dispensing l The freezer is designed to dispense the product at areasonable draw rate If the freezer is overdrawn the result is a soft product or a product that will not dispense at all If this should occur wait until the bars fill the lower section of the display Fig 3 7 SERIE pia Y STOELTING AN A Polar Ware Company Figure 3 7 During Freezing Cycle J Do not operate the freezer when the MIX LOW light is on or with less than 1 3 4 inches 4 4 cm of mix in the hopper Refillthe hopper immediately NOTE The freezer has standby and sleep modes When the freezer is not used after a preset number of freezing cycles it will enter the standby mode fol lowed by sleep mode and remain there until some one draws a product or pushes the PUSH TO FREEZE switch In the sleep mode the freezer will keep the product below 41 F 5 Sleep modes are not to be used in place of cleaning and sanitiz ing Frequency of cleaning and sanitizing is deter mined by Federal State and local regulatory agen cies 3 5 MIX INFORMATION Mix can vary considerably from one manufacturer to another Differences in the amount of butterfat content and quantity and quality of other ingr
22. e error persists contact your Authorized Stoelting Distributor for further assistance 17 Error Code 3 Run Time The Run Time Error E3 occurs when the compressor runs continuously for 20 minutes without the product reaching consistency in Serve Mode or if the product does not reach proper temperature in Sleep 2 Mode This error is generally caused by very low mix levels in the freezer s mix container or from product breakdown Another common cause results from a restriction preventing mix from entering the freezing cylinder Check the mix in the hopper If the mix level is low add mix If there is a possibility that the mix is broken down clean and sanitize the freezer and replace the mix with fresh product Ice crystals in the hopper 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 hopper through a clean and sanitized sieve or strainer If ice crystals are in the mix check the temperature of the walk in cooler where the mix is stored or the temperature of the freezer s cabinet The Run Time Error may also occur if airflow within the freezer has reduced or stopped Check the sides and top of the freezer for anything that would restrict airflow If the error persists after attempting to clear it contact your Authorized Stoelting Distributor for further assistan
23. e warranty period deinstallation reinstallation of the affected component from into the equipment Those obligations 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 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 AS IS Further Stoelting shall not be responsible to provide any remedy under this warranty with respect to any componentthat 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 SHALL BE THE SOLE LIABILITY STOELTING AND THE EXCLUSIVE REMEDY OF BUYER WITH RESPECT TO EQUIPMENT SUPPLIED BY STOELTING AND IN NO EVENT SHALL S
24. ed All worn or broken parts should be replaced to ensure safety to both the operator and the customer and to maintain good freezer perfor mance and a quality product Check the wear line on the auger flights on a regular basis Fig 3 8 and replace as needed Frequency of cleaning must comply with the local health regulations Figure 3 8 Auger Flight Wear To disassemble the freezer refer to the following steps A Remove hopper cover and drain tray B Remove the mix inlet regulator from the hopper by pulling straight up C Remove the front door by turning the circular knobs and then pulling the front door off the studs D Remove the rosette caps from the front door Push the spigot body through the bottom of the front door and remove E Removethe front auger supportand bushing Fig 3 9 10 Figure 3 9 Removing Auger Support Remove the auger assembly from the freezer Fig 3 10 Pull the auger out of the freezer barrel slowly As the auger is being pulled out carefully remove each of the plastic flights with springs Figure 3 10 Removing Auger Shaft and Flights Keep the rear of the auger shaft tipped up once it is clear of the freezer to avoid dropping rear seal Remove the rear seal Wipe socket lubricant from the drive end rear of the auger with a cloth or paper towel J Remove all o rings from parts by first wiping off the lubricant using a clean paper towel Then squeeze the o ring upwa
25. edients have a direct bearing on the finished frozen product A change in freezer 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 Soft serve mixes generally provide satisfactory product from 18 to 20 F 7 to 6 C shake mixes 24 to 28 F 4 to 2 C When checking the temperature stir the thermometer in the frozen product to read the true temperature Old mix or mix that has been stored at elevated tempera tures will produce poor quality product with a bad taste and unacceptable appearance 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 Some products tend to foam more than others If foam appears in the hopper skim off with a sanitized utensil and discard Periodically stir the mix in the hopper with a sanitized utensil to help prevent excess foam 3 6 REMOVING MIX FROM FREEZER To remove the mix from the freezer refer to the following steps A Remove the mix inlet regulator from the hopper by pulling straight up B Place the Main Freezer Power OFF ON rocker switch in the ON position and push the CLEAN switch to rotate the auger Allow the mix to agitate in freezer barrel until the mix has become aliquid about 5 minutes C Drain the liquid mix by opening the spigot A bucket or container should be placed under the
26. for two reasons PRODUCT SAFETY Strong acids are dangerous chemicals and handling them requires safety MACHINE DAMAGE Strong acids will attack metal and rubber causing premature wear of parts The use of a delimer needs to be closely monitored to avoid damage to machine surfaces and parts With proper daily use of STERA SHEEN or its 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 re move 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 off a small portion and submerge it into the sanitizing solution Then compare the color change to the color key on the side of the test strip dispenser to determine the approximate chlorine concentration 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 chlo rine concentrations in a sanitizing solution 1 PRODUCT USE As the chlorine in the solution is being u
27. llow sanitizer to contact the surfaces to be sanitized for 5 minutes Any sanitizer must be used only in accordance with the manufacturer s instructions CAUTION Do not allow sanitizer to remain in contact with stain less steel freezer parts for prolonged periods Pro longed contact of sanitizer with freezer may cause corrosion of stainless steel parts In general sanitizing may be conducted as follows A Push the mix inlet regulator into hopper with air inlet long tube toward the front of the freezer Fig 3 3 Figure 3 3 Mix Inlet Regulator B Prepare 2 gallons 7 5 liters of sanitizing solution following manufacturer s instructions Pour into hopper with mix inlet regulator in place C Place the Main Freezer Power OFF ON toggle switch in the ON position and press the CLEAN switch Check for leaks Figure 3 4 Sanitizing Hopper D Clean sides of hopper mix inlet regulator and underside of hopper cover using a sanitized soft bristle brush dipped in the sanitizing solution Fig 3 4 TE 22 A ZZ A i G Ga Figure 3 5 Draining Solution E After five minutes place a bucket under the spigot and open spigotto drain sanitizing solution When solution has drained press the CLEAN button to stop the auger Allow the freezer barrel to drain completely Fig 3 5 3 4 FREEZE DOWN AND OPERATION This section covers the recommended operating proce dures to be followed for the safe operation of
28. nger belt should deflect about 3 8 2 Lubricate condenser fan motor with S A E 20 weight oil Three to six drops is required CAUTION Do not over lubricate resulting damage could cause motor failure 3 14 EXTENDED STORAGE Refer to the following steps for storage of the freezer over any long period of shutdown time A Turn the Main Freezer Power OFF ON switch to the OFF position B Disconnect unplug from the electrical supply source C Clean thoroughly with a warm water detergent all parts that come in contact with the mix Rinse in clean water and dry parts Do not sanitize NOTE Do not let the cleaning solution stand in the hopper or in the freezer barrel during the shutdown period D Remove disassemble and clean the front door mix inlet regulator and auger parts Place the auger flights and the front auger support bushing ina plastic bag with a moist paper towel to prevent them from becoming brittle E In a water cooled freezer disconnect water lines and drain water With a flathead screwdriver hold the water valve open and use compressed air to clear the lines of any remaining water 3 15 PRODUCT CONSISTENCY ADJUSTMENT The IntelliTec control monitors the consistency firmness of the product mix in the freezing cylinder by monitoring the drive motor amp draw When consistency is reached the drive motor and refrigeration system will shut off The control panel on the front of the freezer allo
29. nne nnnnnnnne nennen 11 3 12 Routine Cleaning nenne nenne nenne nnennnnnnnnne nenne nnnnnnnnnnne nennen 12 3 13 Preventive Maintenance neuen nenn anne nnnnnnnnn nenn nnnennnnennne nennen 12 3 14 Extended Storage nenne nenne nenne nnennn nennen nnnnnennnnnn nennen nnnnnennnn 14 3 15 Product Consistency Adjustment nenne nennen nennen nennen nennne nen 15 3 16 Locking Out Control Panel 15 4 TROUBLESHOOTING CHARTS 4 1 Error Codes IP Poe AqP 17 4 2 Troubleshooting Error Codes occcccoccncccccnnococnnconnncnoncncononnnonnnnnnnncnnnnnnnnonannnenannnenanoss 17 4 3 Troubleshooting Charts nenne nnenne nenne nenne nnnnn nenn nenne nenne nenne nennen 19 5 REPLACEMENT PARIS aussen iin nennen EE 21 LIST OF ILLUSTRATIONS FIGURE TITLE PAGE 1 1 MOE IL SP III e 1 1 2 FET EIERE anne een 1 2 1 Warning RAISE OC alone ERE EE unse 3 2 2 ES oe E o Ie 4 2 3 Space and Ventilation Requirements cccccccccccncccnoccnnncnnononnnononnnnnnononncnnonnanenonnss 4 2 4 ElSCIMCAL PMA ME 4 3 1 FIEEZEL oni One O en hiring 5 3 2 AE GE 46 ja 0 APA e E O PEI 7 3 3 Me REN 7 3 4 NNN 8 3 5 Billie A A 8 3 6 Dispensing PO EE 8 3 7 AE FIG NA spes eek unde 10 3 8 R moving Auger SUD ele 10 3 9 Removing Auger Shall and Flights Lua keen 10 3 10 Removing O RING ee ee ee een 10 3 11 Cleaning Freezer Barrel AP 11 3 12 PIPE Ne 11 3 13 FDP vr 12 3 14 FONN 15 3 15 Locked Control Display In Serve Mode cccooncccccoccncccoccncccononoconononononononannnncnononoss 15 SECT
30. ot o rings O rings or spigot installed wrong Inner spigot hole in front door nicked or scratched Hopper temperature set too warm Hopper sensor failure EPR valve needs adjustment Refrigeration problem 20 esch 0 N a mb w N NND Remove mix clean sanitize and freeze down with fresh mix Replace mix inlet regulator Replace mix inlet regulator o ring Clean with sanitized brush Fill freezer with fresh product Clean lubricant from outside of rear seal lubricate inside of seal and reinstall Check or replace Check or replace Replace shaft Tighten knobs See Section 3 Replace o rings Remove spigot and check o ring Replace front door Call distributor for service Replace Call distributor for service Adjust EPR valve Check system Call distributor for Service SECTION 5 REPLACEMENT PARTS 5 1 HOW TO ORDER PARTS B Serial number of model stamped on nameplate To assure receipt of the proper replacement parts supply your dealer or distributor with the following information Part number part name and quantity needed Common part names and numbers are listed in A Model number of equipment this manual BRUSHES DECALS AND LUBRICATION P
31. ow Light Indicator The MIX LOW message will appear on the LCD display to alert the operator to alow mix condition The message will display when there is approximately one gallon of mix leftin the hopper When the MIX LOW message is displayed refill hopper immediately NOTE Failure to refill hooper immediately may result in operational problems DISPENSE RATE ADJUSTERS The dispense rate adjuster limits the opening of the spigot To adjust product dispense rate turn the adjusting know 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 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 not in place and closed when the door is properly installed Push to Freeze Green Light Amber Light Clean Switch SEL Button SET Button Left Arrow Button Up Arrow Button QU STOELTING ad Polar Ware putin Figure 3 2 IntelliTec Control l MENU NAVIGATION BUTTONS The Menu Navigation Buttons allow the user to display information regarding the freezer s status of operation as well as adjust product consistency Selection Button SEL The SEL button is not functional in the normal operation mode This button is only used by service technicians for freezer calibration Set Button SET Pressing
32. ply The unit must be connected to a properly grounded receptacle The electrical cord furnished as part of the freezer has a three prong grounding type plug Fig 6 The useofanextension cord is not recommended if necessary use one with asize 12 gauge or heavier with ground wire Do not use an adapter to get around grounding requirement Do not alter or deform electrical plug in any way Altering the plug to fit into an outlet of different con figuration may cause fire risk of electrical shock product damage and will void warranty F Install the drip tray drain tray hopper cover and other miscellaneous parts on the freezer SECTION 3 INITIAL SETUP AND OPERATION 3 1 OPERATOR S SAFETY PRECAUTIONS G Do not operate under unsafe operating conditions SAFE OPERATION IS NO ACCIDENT observe these EN rules noise or vibration occurs A Know the freezer Read and understand the 3 2 OPERATING CONTROLS AND INDICATORS Operating Instructions Before operating the freezer itis required that the operator know the function of each operating control Refer to C Wear proper clothing Avoid loose fitting garments Figure 3 1 for the location of the operating controls on the and remove watches rings or jewelry which could freezer cause a serious accident B Notice all warning labels on the freezer D Maintain a clean work area Avoid accidents by cleaning up the area and keeping it clean High voltage will shock burn or ca
33. pper freezers The Hopper Sensor Error E6 indicates a failure of the hopper sensor or an extreme out of range condition lt 34 F or gt 99 F If the control panel displays an E6 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 7 Drive Motor If the control panel displays a Drive Motor Error E7 the control does not sense current coming from the drive motor 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 8 Cab Sensor A Cab Sensor Error E8 will not occur on the E111 or F111 freezer Error Code 9 High Pressure Cutout High Pressure Cutout Errors E9 are usually caused by a dirty or inefficient condenser Ifthe control panel displays an E9 on an air cooled freezer check for proper air clearance around the freezer 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 assistanc
34. r within 10 days and request inspection The customer must place claim for damages and or shortages in shipment with the carrier Stoelting Inc cannot make any claims against the Carrier 2 3 FREEZERINSTALLATION Installation of the freezer involves moving the freezer close to its permanent location removing all crating setting in place assembling parts and cleaning A Uncrate the freezer B Accurate leveling is necessary for correct drainage of freezer barrel and to insure correct overrun Place a bubble level on top of the freezer at each corner to check for level condition If adjustmentis necessary level the freezer by turning the bottom part of each leg in or out Then separate freezer base gasket and install with seam to the back and angle to the top Fig 4 Figure 2 2 Leveling C The freezer is equipped with an air cooled condenser and requires correct ventilation The right side of the freezer is the air intake and left side discharge Both sides must have 3 clearance the top requires 10 of clearance Fig 5 Figure 2 3 Space and Ventilation Requirements CAUTION Failure to provide adequate ventilation will void war ranty D Place the OFF ON switch in the OFF position Fig 10 1 208 230V 20 Amp Figure 2 4 Electrical Plug E Connect the power cord to the proper power supply The plug is designed for 208 or 230 volt 20 amp duty Check the nameplate on your freezer for proper sup
35. rd with adry cloth Fig 3 11 When a loop is formed roll out of the o ring groove CAUTION Do not use any type of sharp object to remove the O rings 3 10 SANITIZE FREEZER AND FREEZER PARTS A Use a sanitizing solution mixed according to manufacturer s instructions to provide 100 parts per million strength solution Mix sanitizer in quantities of no less than 2 gallons 7 5 liters of 120 F water Allow the sanitizer to contact the surfaces to be sanitized for 5 minutes Any sanitizer must be used only in accordance with the manufacturer s instructions B Place all parts in the sanitizing solution then remove and let air dry C Using this sanitizing solution and the large barrel brush provided sanitize the rear of the barrel by dipping the brush in the sanitizing solution and brushing the rear of the barrel Figure 3 11 Removing O Ring 3 9 CLEANING THE FREEZER PARTS Place all loose parts in a pan or container and take to the wash sink for cleaning To clean freezer parts refer to the 3 11 ASSEMBLY OF FREEZER To assemble the freezer parts refer to the following steps following steps NOTE A Place all parts in warm mild detergent water and Petrol Gel sanitary lubricant or equivalent must be clean with brushes provided Rinse all parts with used when lubrication of parts is specified clean hot water NOTE B Wash the hopper and freezer barrel with warm The United States Department of Agriculture and de
36. rt and grease The freezer must have a minimum of 3 7 5 cm of ventilation on the right and left sides of the unit for free flow of air Make sure the freezer is not pulling over 100 F 37 C air from other equipment in the area The water cooled condenser is a tube and shell type The condenser needs a cool clean supply of water to properly cool the freezer inlet and discharge lines must be 3 8 I D minimum The condenser and condenser filter require periodic clean ing To clean refer to the following procedures 1 Remove the Phillips head screw from the bottom of the right side panel and then slide the panels down and out 2 Toremovethe condenser filter grasp the top and pull off Visually inspect for dirt If the filter is dirty shake or brush excess dirt off the filter and wash inwarm soapy water Once the filter is clean rinse thoroughly in warm clear water and shake dry taking care not to damage the filter in any way Figure 28 3 Visually inspect the condenser for dirt by shining alight through the coil from the back inside of the condenser 4 Ifthe condenser is dirty place a wet towel over the front outside of the condenser 5 Using a vacuum carefully clean the condenser coil from the inside and outside of the freezer A stiff bristled brush may help in releasing debris from between the condenser coils E SEMI ANNUALLY 1 Check drive belt for proper tension Push belt in with one fi
37. sed chlorine concentrations fall 2 TIME Astime passes smallamounts ofchlorine evaporate from the solution That is why you can smell it Sanitizing solutions should not be allowed to fall below 100 ppm chlorine New solutions should be mixed once old solutions become ineffective B DAILY 1 The exterior should be kept clean at all times to preserve the luster of the stainless steel A mild alkaline cleaner is recommended Use a soft cloth or sponge to apply the cleaner CAUTION Do not use acidic cleansers strong caustic com pounds or abrasive materials to clean any part of the freezer exterior or plastic parts Use of these types of cleaners will cause equipment damage C WEEKLY 1 Check o rings and rear seal for excessive wear and replace if necessary 2 Remove the drip tray by gently lifting up to disengage from the support and pulling out Clean behind the drip tray and front of the freezer with a soap solution D QUARTERLY High voltage will shock burn or cause death Turn off and lock out main power disconnect before ser vicing Do not operate machine with panels re moved The air cooled condenser is a copper tube and aluminum fin type Condensing is totally dependent upon airflow A plugged condenser filter condenser or restrictions in the louvered panel will restrict airflow This will lower the capacity of the system and damage the compressor The condenser must be kept clean of di
38. sh mix Remove mix clean reassemble sanitize and freeze down Check system Call distributor for service Fill hopper with mix Allow freezer to sit idle for 5 minutes before dispensing Readjust Call distributor for service Replace Call distributor for service Check Call distributor for service Fill hopper with mix Unplug using small sanitized brush Order special mix inlet regulator Slow up on the draw rate Reset If condition continues call distributor for service Replace drive belt Turn OFF ON switch to OFF for 15 min then restart 19 4 3 Troubleshooting Charts continued PROBLEM POSSIBLE CAUSE REMEDY Drive belt 1 Worn drive belt 1 Replace drive belt slipping or 2 Freeze up Auger will not turn 2 Turn OFF ON switch to OFF for 15 min squealing then restart Low overrun Rear auger seal leaks Front door leaks Hopper will not maintain mix temperature below 40 F 4 C OD ROD Auger is assembled wrong Mix inlet regulator missing Mix inlet regulator o ring missing Mix inlet regulator air tube blocked Product breakdown Outside surface of rear auger seal is lubricated Rear seal missing or damaged Seal o ring missing damaged or installed incorrectly Worn or scratched shaft Front door knobs are loose Spigot parts are not lubricated Chipped or worn spig
39. tergent water and brushes provided Fig 3 12 the Food and Drug Administration require that lu bricants used on food processing equipment be cer tified 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 Apply a thin film of sanitary lubricant to metal part of rear seal Also apply a thin film of sanitary lubricant inside and outside of the front auger support bushing B Assemble the rear seal onto the auger with the large end to the rear Be sure the o ring is in place before installing the rear seal C Lubricate the auger drive rear with a small amount of white socket lubricant Asmallcontainer of socket lubricant is shipped with the freezer D Screw the springs onto the studs in plastic flights Springs must be screwed into the flights completely to provide proper compression Fig 3 13 Figure 3 12 Cleaning Freezer Barrel C Clean the rear seal surfaces from the inside of the freezer barrel with warm detergent water D Clean the drip tray and insert with a soap solution Rinse with clean hot water 11 l Install the front door on the freezer Install the circular knobs on the freezer studs Overtightening or uneven tensioning of circular knobs may cause damage to front door and cause leaking Hand tighten circular knobs evenly
40. use death The E Stay alert at all times Know which switch push button or control you are about to use and what effect it is going to have OFF ON switch must be placed in the OFF position prior to disassembling for cleaning or servicing Do not operate machine with cabinet panels removed F Disconnect electrical cord for maintenance Never attempt to repair or perform maintenance on the freezer until the main electrical power has been disconnected IntelliTec Control See Figure 3 2 Figure 3 1 Freezer Controls 5 Spigot Switch The spigot switch will automatically actuate the auger drive and refrigeration systems when the spigot is opened to dispense product When the spigot is closed the drive motor and compressor will remain on until the product in the barrel reaches the proper consistency Main Freezer Power OFF ON Switch The Main Freezer Power OFF ON switch is atwo positiontoggle switch used to supply powertothe control circuit When the switch is in the OFF position power will not be supplied to the control board or refrigeration system When the switch is inthe ON position the freezer will operate in the freezing mode or cleaning mode The freezer will be in the sleep mode until a switch is activated PUSH TO FREEZE Switch The PUSH TO FREEZE button is used to initiate the serve mode To start the freezer place the Main Freezer Power OFF ON switch in the ON position and pressthe PUSH TO FR
41. ws the operator to adjust the freezing cylinder to create the desired product consistency A Place the FREEZING CYLINDER OFF ON switch in the ON position B Press the SET button on the Control Panel once Fine Adj will appear on the LCD screen Fig 3 15 FREEZE el STOELTING s Pilar Werre Corner Figure 3 15 Product Consistency Control Press the up arrow button until the desired consistency setting is displayed The higher the number the greater the product consistency firmness When the digit reaches 9 pressing the up arrow button 1 again will change the value to 0 Press SET to save the value The 0 setting cannot be set Press the SET button once to save the setting change and return to the current mode display 15 3 16 LOCKING OUT CONTROL PANEL The IntelliTec control has a tamper proof mode to prevent unauthorized use When set all buttons on the control panel are disabled To lock out the control panel A Press and hold the PUSH TO FREEZE button for 5 seconds B While still holding the PUSH TO FREEZE button press the CLEAN button once C Release both buttons An asterisk will appear after the word MODE on the display indicating thatthe control is in the lock out mode Fig 3 16 FREEZE ET WSTOELTIN Polar Ware Earn Figure 3 16 Locked Control Display In Serve Mode D To unlock the control panel repeat steps A Band C 16 SECTION 4 TROUBLESHOOTI
42. zing The following information has been compiled by Purdy Products Company makers of Stera Sheen Green Label Cleaner Sanitizer and specifically covers issues for clean ing and sanitizing frozen dessert machines This informa tion is meant to supplement a comprehensive 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 difficult to remove and help attribute to milkstone build up MILKSTONE Is a white gray film that forms on equip ment 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 remove a thick layer of milkstone NOTE general purpose cleaners DO NOT remove milkstone This can lead to 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
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