Operation Manual 09/2003
Contents
1. SE SEE SERVICE MANUAL ane HAZARDOUS MOVING PARTS ct DO NOT OPERATE UNIT WITH gt e OUTER COVERING REMOVED croa SE _ a QSTCATN SET PUSHBUTTON DISPLAY N 1 SEC TM ai a 2 IM STB STARTS 3 SEC TM STB vr AUTOMATICALLY F C SRV 6 F C STB 7 F C LKG STB 8 MTR AGAUTION Gr 10 LKG HAZARDOUS ROTATING BLADES u re DO NOT OPERATE UNIT WITH FRONT DOOR OR SPIGOT REMOVED ATTENTION FREEZER REQUIRES ADEQUATE VENTILATION LOUVERED PANELS REQUIRE 3 CLEARANCE FOR FREE FLOW OF AIR OR WARRANTY WILL BE VOIDED CONSULT OWNERS MANUAL FOR COMPLETE INFORMATION 324584 o O EN Ki o o o O CAUTION ELECTRIC WIRING MATERIALS ARRANGEMENT amp GROUNDING MUST CONFORM WITH NATIONAL AND OTHER APPLICABLE ELEC J CODES O O 324106 o a 2 ne O l Fig 3 Warning Label Locations 3 2 2 SHIPMENT AND TRANSIT The freezer has been assembled operated and in spected at the factory Upon arrival at the final destina tion the complete free2. E Install the two plastic flights onto rear of the auger and insert part way into freezer barrel F Installthe third plastic flight push the auger into the freezer barrel and rotate slowly until the auger engages the drive socket G Install the auger support and bearing into the front of the augers with one leg of the support at 9 o clock NOTE Apply a small amount of Petro Gel to the surface of the cam on the spigot handle prior to assembly of handle to the spigot body H Install the spigot bodies with O Rings into the front door from the bottom Fig 25 Push straight up until the spigots are in place Install rosette caps Figure 25 Exploded View of Front Door I Install the front door on the freezer J Install the circular knobs on the freezer studs CAUTION FINGER TIGHTEN THE CIRCULAR KNOBS EVENLY DO NOT OVERTIGHTEN KNOBS Look for the proper seal between the freezer barrel O Ring and front door K Install the mix air regulator into the freezer with the air tube to the front of the freezer Fig 26 NOTE Refer to page 3 2 section 3 3 for sanitizing the assembled freezer before filling with mix Figure 26 Install Mix Inlet Regulators 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 3 13 PREVENTIVE MAINTENANCE
3. E On water cooled freezers shut off and disconnect water supply at rear of freezer run compressor for 2 3 minutes to open water valve and blow out all water first through inlet then outlet line using air or carbon dioxide 17 18 SECTION 4 TROUBLESHOOTING CHARTS PROBLEM POSSIBLE CAUSE REMEDY Freezer does Power to freezer is off 1 Supply power to freezer not run Fuse or circuit if blown or tripped 2 Replace or reset ff condition continues see notes 1 or 2 Freeze up auger will not turn 3 Turn OFF ON switch to OFF for 15 minutes then restart High pressure cut out tripped Reset high pressure cut out Front door not in place Assemble front door in place Freezer does Freezer has been left in the Let light flash for 10 minutes then place not run PUSH CLEAN mode for more than 30 the OFF ON switch to the OFF position to TO FREEZE light minutes reset flashes CLEAN switch has been Leave OFF ON switch in the ON position activated 3 times within 10 for 10 minutes then place the OFF ON seconds switch to the OFF position to reset Place the OFF ON switch to the OFF Low torque error position to reset Freezer will not Not enough mix in hopper Fill hopper with mix shut off Drive belt failure Replace drive belt Consistency temperature setting Readjust Call distributor for service is too firm Consistency temperature control Replace Call distributor for service
4. STOELTING AK A Polar Ware Company Endura Futura 131 OWNER S MANUAL Manual No 513536 Sept 2003 Rev 4 e Need Parts or Service 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 and Futura 131 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 pro vide 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 920 894 2293 502 Hwy 67 Kiel WI 53042 Fax 920 894 7029 TABLE OF CONTENTS SECTION WEE elle un Lal LE 1 PE CHONG EE 1 PA a 1 SECTION 2 INSTALLATION INSTRUCTIONS rnnnnrnnnnnnnnnnnnnnnnnnnnnennnnnnnennnnnnnennnnnnunnn 3 Sheet 3 Ellen e Leg ANSI EE 4 2 3 Freezer Installation EE EE gerne 4 2 4 Floor NN 5 2 5 Instal
5. Wire Handle 324106 Caution Electrical Wiring Materials 208467 Brush Nylon 5 1 4 x 3 8 Wire Handle 324141 Caution Hazardous Rotating Blades 3157992 Model ID Plate 324594 Heat Sensitive 324584 Adequate Ventilation 324371 Decal Time Delay Fuse Spigot 4 624598 5 8 ID x 1 8 CS Carburetor 1 624677 1 1 8 ID x 1 8 CS 624664 1 1 16 ID x 1 5 16 x 1 8 O RINGIDENTIFICATION SHEET MODELS ENDURA FUTURA 131 Rear Seal 1 624678 1 1 8 ID x 3 16 CS Front Door 1 625133 4 ID x 3 16 CS 624614 3 4 x 1 0 x 1 8 O Rings are drawn to Approximate Size 23 Item No O CO CON OD Om P W PO Part No 2177428 2177072 2177073 2177074 624677 3158086 3159696 625133 624598 624614 624664 3170644 149003 4157952 694255 381804 624678 666786 232734 482019 2149243 01 HEAR VIEW Figure 29 Spigot Front Door and Auger Assembly Description Front Door Only 1 5 Spigot Extension 2 5 Spigot Extension 3 Spigot Extension Castle Top O Ring Center Spigot Outside Spigot O Ring Front Door O Ring Outside Spigot O Ring Center Spigot O Ring Center Spigot Front Auger Support Auger Bushing Auger Auger Spring Auger Flight O Ring Shaft Seal Inner Auger Seal Rosette Cap Circular Knob Mix Inlet Regulator 24 Qty hh sch Der sch sch WM NNN eo STOELTING A Polar Ware Company WARRANTY SOFT SERVE SHAKE FREEZERS 1
6. failure Alcohol content in cocktail mix is Reduce percent of alcohol content too high Refrigeration problem Check system Call distributor for service Product is too Product is being dispensed when Press the PUSH TO FREEZE push soft the PUSH TO FREEZE light is button Wait until the green light illuminates illuminated red before dispensing No vent space for free flow of A minimum of 3 inches of vent space cooling air required See paragraph 2 3 Air temperature entering Change location or direct hot air away condenser is above 100 from freezer Condenser is dirty Clean See paragraph 3 7 Consistency setting too soft Readjust Call distributor for service Stabilizers in mix are broken Remove mix clean sanitize and freeze down down with fresh mix Auger is assembled wrong Remove mix clean reassemble sanitize and freeze down Refrigeration problem Check system Call distributor for service Product is too No mix in hopper Fill hopper with mix firm Small portions are being Allow freezer to sit idle for 5 minutes dispensed in a short time before dispensing Consistency temperature setting Readjust Call distributor for service is too firm Consistency temperature control Replace Call distributor for service failure Line voltage fluctuating 5 Check Call distributor for service Product does not dispense Drive belt slipping or squeal
7. lt is recommended that a maintenance schedule be fol lowed to keep the freezer clean and operating properly A Cleaning and Sanitizing Information Soft serve freezers require special consideration when it comes to food safety and proper cleaning and sanitizing The following information has been compiled by Purdy Products Company makers of Stera Sheen Green Label Cleaner Sanitizer and specifically covers issues for cleaning and sanitizing frozen dessert machines This information is meant to supplementa 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 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 14 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
8. O ring Clean with sanitized brush Fill freezer with fresh product Tighten knobs See paragraph 3 11 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 ERROR CODE SYSTEM P T F LIGHT FLASHES MEANING Sequence of one Program board Sequence of two Power board Sequence of three Low torque error Sequence of four Clean error Sequence of five Barrel sensor Sequence of six Hopper sensor Sequence of seven Drive motor Referto Page 19 for Troubleshooting NOTE Flashing CLEAN light is not an error It indicates the freezer is in the CLEAN mode To exit turn the OFF ON switch to the OFF position 21 22 SECTION 5 5 1 HOW TO ORDER PARTS REPLAGEMENT PARTS To assure receipt of the proper replacement parts supply B Serial number of model stamped on nameplate your dealer or distributor with the following information A Model number of equipment Part Number Description C Partnumber part name and quantity needed Common part names and numbers are listed in this manual Part Number Description 208135 Brush Nylon 16 x 4 Wooden Handle 324107 Caution Hazardous Moving Parts 208380 Brush Nylon 14 x 1 4 Wire Handle 324105 Danger Electrical Shock Hazard 208401 Brush Nylon 10 x 1
9. E 9 13 Santizind 0 6 CM E 9 14 Spigot Opened and Solution Draining au ns 9 15 DISPERSIMO POC ee ee ar 10 16 Removing Mix Inlet Regulator EE 11 17 DANINO d EE 11 18 Auger Flight Wear and Front Auger Support Wear ooooccccnoccccccocccccncnccnconnncnnnnos 11 19 Removing Front DO ensure are 12 20 POM LI OO DIE AS le EE 12 21 Removing AUGE SUPPOM nenne een 12 ME ee 12 23 REN O RIDO ee ee nee dcus 13 24 ENN 13 25 ENTEN ee ee 14 26 Ins Tall ADCAST COUN 0 ee EE 14 2 Condenserand GE 17 28 ce ANN 17 29 Spigot Front Door and Auger Assembly ccccccccseeeceeeeceeeeceeeeseusesseeeeseneenes 24 SECTION 1 SPECIFICATIONS 1 1 DESCRIPTION The Stoelting Endura Futura 131 counter freezer is gravity fed The freezer is equipped with fully automatic controls to provide a uniform product The freezer 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 The freezer is designed to be used with both barrels in operation If you desire to use one barrel only the freezer must be cleaned sanitized and filled with fresh mix daily For more information call your authorized Stoelting Serviceperson m en D d n it d Lt d A I AT FIL LE d This manual is designed to assist qualified service person nel and operators in the installation operation and mainte nance of the Stoelting Model Endura Fut
10. MERS 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 and handling them requires safety 2 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 it s equivalent there is no need for the use of a DELIMER DO NOT USE BLEACH BLEACHHAS ABSOLUTELY NO CLEANING PROPERTIES BLEACH IS CORROSIVE It can and will damage components of the machine causing premature wear and metal corrosion GENERALPURPOSE 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 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 p
11. NSING The freezer is designed to dispense the product at a reasonable 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 allow the freezer to run for approximately 30 seconds before dispens ing additional product After a while the operator will sense or feel when the freezer is beginning to fall behind and will slow down on the rate of draw so as not to exceed the capacity J Do not operate the freezer when the MIX LOW light ison or with less than 1 3 4 4 4 cm of mix in the hopper Refill the hopper immediately NOTE The freezer has a standby mode sometimes referred to as asleep or energy conservation mode When the freezer is not used after a preset time it will enter the standby mode and remain there until Someone draws a product or pushes the push to freeze switch In the standby mode the freezer will keep the product below 45 F Standby modes are not to be used in place of cleaning and sanitizing Frequency of cleaning and sanitizing is determined by Fed eral State and local regulatory agencies 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 ingredients 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 When ch
12. ON position while and push the CLEAN switch to rotate the auger pushing the CLEAN switch to rotate the auger Allow the mix to agitate in the freezer barrel until the mix has become a liquid about 5 minutes C Allow the water to agitate for approximately five minutes NOTE If freezer is left in CLEAN for more than 30 minutes it will go to error D 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 E Repeat steps A through D using a mild detergent solution 3 8 DISASSEMBLY OF FREEZER PARTS Figure 16 Removing Mix Inlet Regulator a CAUTION C Drain the liquid mix by opening the spigot A bucket PLACE THE OFF ON TOGGLE SWITCH IN THE OFF or container should be placed under the spigot to POSITION BEFORE DISASSEMBLING FOR CLEANING catch the liquid mix Fig 17 ORSERVICING Inspection for worn or broken parts should be made at every disassembly of the freezer for cleaning or other purposes All worn or broken parts should be replaced to ensure safety to both the operator and the customer and to maintain good freezer performance and a quality product Two normal wear areas are the auger flights and front auger support bushing Fig 18 Frequency of cleaning must comply with the local health regulations Figure 17 Draining Mix D Place th
13. 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 WAR RANTY 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 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 no
14. URE CUTOUT switch is a safety switch designed to protect the compressor from dam age due to excessive head pressure When tripped the lever will be out push in to reset J DISPENSE RATE ADJUSTER The DISPENSE RATE ADJUSTER limits the opening of the spigot To adjust product dispense rate turn the adjusting knob clockwise for slower flow and counterclockwise for faster flow K DOOR INTERLOCK SWITCH When the door is securely fastened the freezer will operate normally When the door is removed the drive and compressor will not run 3 3 SANITIZING Sanitizing must be done after the freezer is clean 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 using It WARNING THE UNITED STATES DEPARTMENT OF AGRICUL TURE AND THE FOOD AND DRUG ADMINISTRATION REQUIRE THAT ALL CLEANING AND SANITIZING SO LUTIONS USED WITH FOOD PROCESSING EQUIP MENT BE CERTIFIED FOR THIS USE When sanitizing the freezer refer to local sanitary regulations for applicable codes and recommended sanitizing products and procedures The frequency of sanitizing must comply with local health regula tions Mix sanitizer according to manufacturer s instruc tions 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 of water Allow sanitizer to contact the surfaces to be sanitized for 5
15. anging from one type of mix to another such as yogurt to Vitari you may have to change the mix inlet regulator and or control settings Please call your distributor for further information Proper product serving temperature varies from one manufacturer s mix to anther Mixes should provide a satisfactory product in the 18 to 20 F 7 to 6 C range When checking the temperature stir the thermometer in the frozen product to read the true temperature Mix does not improve with age Old mix or mix that has been stored at too high a temperature can result ina finished product that is less than satisfactory in taste and 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 excess foam should occur skim the foam off with a sanitized utensil and discard Periodically stir the mix in the hopper with a sanitized utensil 10 3 6 REMOVING MIX FROM THE FREEZER After the mix has been removed from the freezer the To remove the mix from the freezer refer to the following freezer must be cleaned To clean the freezer refer to the steps following steps A Remove the mix inlet regulator from the hopper by A Close the spigot and fill the hopper with 2 gallons pulling straight up Fig 16 7 5 liters of cold tap water B Place the OFF ON rocker switch in the ON position B Place the OFF ON switch in the
16. ar ance Do not obstruct the intake or discharge Fig 4 CAUTION FAILURE TO PROVIDE ADEQUATE VENTILATION WILL VOID WARRANTY D Place the OFF ON switch in the OFF position See Figure 8 E Install the drip tray drain trays covers and other miscellaneous parts on the freezer Fig 5 7 Figure 5 Installing Tray and Insert F Connectthe power cord The plug is designed for 208 or 230 volt 20 amp duty Check the nameplate on your freezer for proper supply 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 use of an extension cord is not recommended If one must be used use one with a wire size 12 gauge or heavier with a ground wire Do not use an adaptor to get around grounding requirement CAUTION DO NOT ALTER OR DEFORM PLUG IN ANY WAY Fig 4 Space and Ventilation Requirements Figure 6 Power Cord 2 4 FLOOR STAND INSTALLATION To install the E F131 on the floor stand follow the steps outlined below 1 Uncrate the floor stand and place in an upright posi tion NOTE Detailed instructions are included with each floor stand 2 Place a spirit level across the top of the stand to check for level condition side to side and front to back If adjustment is necessary level the stand by turning the bottom part of each caster in or out then tighten the lock nut and lock caster 3 Remove th
17. d understand the Operating Instructions Notice all warning labels on the freezer Wear proper clothing Avoid loose fitting garments and remove watches rings or jewelry which could cause a serious accident Maintain a clean work area Avoid accidents by cleaning up the area and keeping it clean 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 Disconnect electrical cord for maintenance Never attempt to repair or perform maintenance on the freezer untilthe main electrical power has been disconnected Do not operate under unsafe operating condi tions Never operate the freezer if unusual or exces sive noise or vibration occurs 3 2 OPERATION CONTROLS AND INDICATORS Before operating the freezer it is required that the operator know the function of each operating control Refer to Figure 9 for the location of the operating controls on the freezer WARNING THE CLEAN OFF ON SWITCH MUST BE PLACED IN THE OFF POSITION WHEN DISASSEMBLING FOR CLEANING OR SERVICING THE FREEZER MUST BE DISCONNECTED FROMELECTRICAL SUPPLY BEFORE REMOVING ANY ACCESS PANEL A 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 consis
18. ded sanitize the rear of the barrel and drive area by dipping the brush in the sanitizing solution and brushing the rear of the barrel 3 11 ASSEMBLY OF FREEZER To assemble the freezer parts refer to the following steps NOTE Petrol Gel sanitary lubricant or equivalent must be used when lubrication of parts is specified NOTE The United States Department of Agriculture and Food and Drug Administration require that lubricants used on food processing equipment be certified for this use Use lubricants only in accordance with the manufacturer s instructions A Assemble all o rings onto parts dry without lubrica tion 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 the hole of the front of the auger B Assemble the rear seals onto the augers with the large end to the rear Be sure the O Ring is in place before installing the rear seal C Lubricate the inside ofthe auger drive sockets rear with a small amount of white socket lubricant A small container 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 com pletely to provide compression Fig 24 Figure 24 Exploded View of Auger CAUTION DO NOT PLACE THE MIX INLET REGULATOR INTO THE HOPPER BEFORE INSTALLING THE AUGER
19. e 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 Figure 18 Auger Flight Wear and Front Auger Support Bushing Wear 11 To disassemble the freezer refer to the following steps A Remove the mix inlet regulator from the hopper by pulling straight up B Remove the front door by turning off the circular knobs and then pulling the front door off the studs Fig 19 Ee Figure 21 Removing Auger Supports E Remove the auger assemblies from the freezer Pull the augers out of the freezer barrel slowly As the augers are being pulled out carefully remove each of the plastic flights with springs F Keep the rear of the auger shafts tipped up once they Figure 19 Removing Front Door are clear of the freezer barrels to avoid dropping rear seals Fig 22 C Remove the rosette caps from the front door Push the spigot body through the bottom of the front door and remove Fig 20 Figure 22 Auger Shafts G Wipe socket lubricant from the drive end rear of the auger with a cloth or paper towel Figure 20 Front Door Disassembly H Removethe rear seals D Remove the front auger supports and bushings E o Fig 21 I Remove all O Rings from parts by first wiping off the lubricant using a clean papertowel Then squeeze the O Ring upward with a dry cloth Fig 23 When a loop i
20. e four legs from the freezer and replace with the four leg adapters provided Adapters must be fully tightened to the freezer 4 Place the E F131 freezer on the floor stand with the front of the freezer to the door end of the stand Secure the freezer to the stand with the nuts and lock washers provided Then separate freezer base gsaket and install the seam to the back and the flat to the bottom Fig 7 Fig 7 Floor Stand 2 5 INSTALLING PERMANENT WIRING WARNING ELECTRICAL TECHNICIANS MUST BE CONTINUOUSLY ALERT TOTHE PRACTICE OF ALLNECESSARY SAFETY RULES AND PRECAUTIONS WHEN SERVICING THIS EQUIPMENT AS VOLTAGES ARE PRESENT WHICH CAN CAUSE SERIOUS OR FATALINJURY ELECTRICAL WIRING MATERIALS ARRANGEMENT AND GROUNDING MUST CONFORM WITH NATIONAL AND OTHER APPLICABLE ELECTRICAL CODES If permanent wiring is required by local codes the following procedure must be performed A Remove the back panel B Disconnect the wires from the terminal block Discon nect the green ground wire from the grounding stud ED AO PAET ae er e gt j E A en ax d fn w a E e e l Te A om bn gt e en Figure 8 Power Cord Connection C Remove the power cord D Install permanent wiring according to local code E Replace the back panel SECTION 3 INITIAL SET UP AND OPERATION 3 1 OPERATOR S SAFETY PRECAUTIONS SAFE OPERATION IS NOT AN ACCIDENT Observe these rules A Know the freezer Read an
21. ers of 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 Figure 12 Clean Control D Fill hopper with approximately 3 gallons 11 4 liters of prechilled 40 F or 4 C mix CAUTION DO NOT OVERFILL THE HOPPER MIX LEVEL MUST NOT BE HIGHER THAN 2INCHES 5 CM FROMTHE TOP OF THE AIR INLET TUBE ON THE MIX INLET REGULA TOR 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 OFF ON switch in the ON position then press the PUSH TO FREEZE swtich until the freezer starts NOTE After the gearmotor starts there is a3 second delay before the compressor starts G After about 6 to 10 minutes the freezer will shut off and the green lens will illuminate The product will be ready to serve Freeze down time may be longer for some frozen diet dessert mixes High ambient temperatures may extend freeze down time H For normal dispensing move the spigot handle fully open Fig 15 Figure 15 Dispensing Product CAUTION REFRIGERATION IS AUTOMATICALLY ACTI VATED WHEN THE SPIGOT IS OPENED CLOSE THE SPIGOT COMPLETELY AFTER DISPE
22. ing Low overrun Front door leaks Hopper will not maintain mix temperature below 45 F 7 C No mix in hopper Mix inlet regulator tube is plugged Special mix inlet regulator needed for mix being used Capacity of freezer is being exceeded Drive motor overload tripped Drive belt failure Freeze up Auger will not turn Worn drive belt 2 Freeze up Auger will not turn Auger is assembled wrong Mix inlet regulator missing Mix inlet regulator O ring missing Mix inlet regulator air tube blocked Product breakdown Front door knobs are loose Spigot parts are not lubricated Chipped or worn spigot O rings O rings or spigot installed wrong Inner spigot hole in front door nicked or scratched Consistency control on board needs to be adjusted Consistency control failure EPR valve needs adjustment Refrigeration problem 20 Fill hopper with mix 2 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 Replace drive belt 2 Turn OFF ON switch to OFF for 15 min then restart Remove mix clean sanitize and freeze down with fresh mix Replace mix inlet regulator Replace mix inlet regulator
23. ling Permanent Wiring mern en era en 5 SECTION 3 INITIAL SET UP AND OPERATION nnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnennnnnnennnnnnnnnnn 7 3 1 Operator s Safety Precautions nenne onennne nennen D 3 2 Operating Controls and Bee e te f oe eyo 9 E E EAE NE N NE A eee 8 3 4 Freeze Down and Operation cccoocccccccnccccocnccccnnccnncncnnnnnnnnnnnnonnnnnnnnnnnonannnonannnnnananoss 9 3 9 MON 10 3 6 Removing Mix from A 08 O OE 11 3 7 Cleaning the REEL 11 3 8 Disassembly of Freezer Parts morata pcia aiii ale 11 3 9 Cleaning the Freezer Parts susarorarol ice 13 3 10 Sanitize Freezer and Freezer Hate 13 3 11 Assembly of Freezer E 13 PENN noi SE E REER 14 3 13 Preventative Maintenance zer NE 14 3 14 Extended Storage nenne nnnnnennennn nenne nnennnennnnnnnennnnnennne nennen 17 SECTION 4 TROUBLESHOOTING esnnnnnnornnnnnennnnnnnennnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnennnnnnnnenn 19 A Troubleshooting geet 19 NP Eaa Eaa ERER 21 SECTION 5 REPLACEMENT PARTS ennnnnernnnnnonnnnnnnnnnnnnnennnnnnnnnnnnnnnnnnnnnnennnnnnvennnnnner 23 5 1 Howto Order arts 23 LIST OF ILLUSTRATIONS Fig Description Page 1 Model Endura Futura 131 Freezer een ee 1 2 95 le e EE 1 3 VV III EAD GEOG QOS nee een 3 4 Space and Ventilation Requirements oocccccccncnccccnnccocnncccnnnononnnconanononarononanencnnns 4 9 Molang ayana INSE vr ee 4 6 POWER OO EEN 4 7 TOO A o 5 8 PN 5 9 Si lui tr 7 10 lk MANET ROIUA O nee NE 9 11 SAZIN NNN 9 12 E AA ENE E EE EE EEE
24. minutes Any sanitizer must be used only in accordance with the manufacturer s instructions CAUTION PROLONGED CONTACT OF SANITIZER WITH FREEZER MAY CAUSE CORROSION OF STAINLESS STEEL PARTS In general sanitizing may be conducted as follows D Clean sides of hopper mix inlet regulator and under side of hopper cover using a sanitized soft bristle A Push the mix inlet regulator into hopper with air inlet brush dipped in the sanitizing solution Fig 13 long tube toward the front of the freezer _ u Fig 10 Figure 13 Sanitizing Hopper Figure 10 Mix Inlet Regulator B Prepare 2 gallons 7 5 liters of sanitizing solution E After five minutes place a bucket under the spigot following manufacturer s instructions Pour into and open spigot to drain sanitizing solution When hopper with mix inlet regulator in place Fig 11 solution has drained press the CLEAN snap switch to stop the auger Allow the freezer barrel to drain completely Fig 14 Figure 11 Sanitizing Procedure C Place the OFF ON toggle switch in the ON position while pressing the CLEAN switch Check for leaks Figure 14 Spigot Opened and Solution Draining 3 4 FREEZE DOWN AND OPERATION This section covers the recommended operating proce dures to be followed for the safe operation of the freezer A Sanitize just prior to use B Place the OFF ON switch in the OFF position C With spigots open pour approximately 1 gallon 3 8 lit
25. needed indicate the part number type of label location of label and Take notice of all warning labels on the freezer Fig 3 quantity required along with your address and mail to The labels have been put there to help maintain a safe working environment The labels have been designed to STOELTING INC withstand washing and cleaning All labels must remain ATTENTION Customer Service legible for the life of the freezer 502 HWY 67 Kiel Wisconsin 53042 1600 O GE WIRED ACCORDING TO This freezer has foam insulation that F a has been formed with refrigerant gas a 5 WIRING DIAGRAM The insulation may emit refrigerant ol KC Jg o 8 vapors which could deceive lead m ST A REV N detectors and give false readings O E DANGER ELECTRIC SHOCK HAZARD DISCONNECT FROM THE SOURCE OF ELECTRICAL SUPPLY IN BUILDING BEFORE SERVICING UNIT L in CC ATTENTION HEAT SENSITIVE THERMISTOR LOCATED UNDER THIS COVER TEMPERATURE t MUST NOT EXCEED 220 F NEAR THERMISTOR HEAT SINK MUST BE USED WHEN BRAZING ON EVAPORATOR I OUTLET CHECK RESISTANCE BEFORE I b REMOVAL OF THERMISTOR 32410
26. nser 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 dirt 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 Figure 27 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 16 4 Ifthe condenser is dirty place a wet towel over the front outside of the condenser 5 Using compressed air or a CO2 tank blow out the dirt from the back inside of the condenser Most of the dirt will cling to the wet towel NOTE This procedure will result in a very loud noise 6 An alternative method of cleaning the condenser is to use acondenser brush and vacuum FILTER NOTE If the condenser is not kept clean loss of refrigera tion efficiency will result causing extended run time or soft product consistency Figure 27 Condenser and Filter The condenser and condenser filter require periodic cleaning To clean refer to the following procedures Water cooled condensers need an un
27. pm as stated by the FDA NOTE Follow the directions on the container for proper concentration 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 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 WARNING NEVER ATTEMPT TO REPAIR OR PERFORM MAINTENANCE ON FREEZER UNTIL THE MAIN ELECTRICAL POWER HAS BEEN DISCON NECTED B DAILY 1 The exterior should be kept clean at all times to preserve the lustre of the stainless steel A mild alkaline cleaner is recommended Use a soft cloth or sponge to apply the cleaner CAUTION DO NOT USE ACID CLEANERS STRONG CAUS TIC COMPOUNDS OR ABRASIVE MATERIALS TO CLEAN ANY PART OF THE FREEZER EXTERIOR OR PLASTIC PARTS 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 WARNING NEVER ATTEMPT TO REPAIR OR PERFORM MAINTENANCE ON FREEZER UNTIL THE MAIN ELECTRICAL POWER HAS BEEN DISCON NECTED The air cooled conde
28. red light is illuminated push the PUSH TO FREEZE switch and wait until the green light illuminates before dispens ing E CLEANSWITCH The CLEAN switch is a snap switch When the switch is pushed the refrigeration system will be OFF and the auger will rotate for cleaning When the switch is pushed again the auger will stop and the CLEAN light will flash indicating the freezer is in the CLEAN mode To exit the CLEAN mode turn the OFF ON switch to the OFF position If the freezer is left in CLEAN for more than 30 minutes or is pushed three times in ten seconds it will go in error F DRIVE MOTOR OVERLOAD The internal drive motor overload will trip if the drive motor is overloaded It will reset after approximately 10 12 minutes If the drive motor continues to trip refer to Section 4 Troubleshooting G RED MIX LOW LENS The red MIX LOW light is designed to alert the operator to a low mix condition The lens will illumi nate with approximately one gallon of mix in the hopper When the MIX LOW lens is lit refill hopper immediately NOTE Failure to immediately refill hopper may result in opera tional problems H HOLD READY SWITCH The HOLD READY switch is a push button switch When pushed in and held for 5 seconds the hold ready mode will be activated The product will remain ready to serve and the freezer will not go to idle To return to normal operation push and hold for 5 seconds I HIGH PRESSURE CUTOUT The HIGH PRESS
29. restricted supply of WARNING cold clean water DISCONNECT FREEZER FROM ELECTRICAL SUPPLY SOURCE BEFORE SERVICING 3 14 EXTENDED STORAGE Refer to the following steps for storage of the freezer over 1 Remove the Phillips head screw from the bottom of the i any long period of shutdown time right side panel and then slide the panels down and out A Turnthe CLEAN OFF ON switch to the OFF posi tion 2 Toremove the 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 in warm 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 Visually inspect the condenser for dirt by shining a light through the coil from the back inside of the condenser Figure 28 CECEN I Figure 28 Condenser Inspection 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 clear water and dry all parts Do not sanitize NOTE Do not let the cleaning solution stand in the hopper or in the freezer barrel during the shut down period D Remove disassemble and clean the front door mix inlet regulator and auger parts Place the auger flights in a plastic bag with a moist paper towel to prevent them from becoming brittle
30. s formed roll out ofthe O Ring groove 12 Figure 23 Removing O Ring WARNING DO NOT USE ANY TYPE OF SHARP OBJECT TO REMOVE THE O RINGS 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 following steps A Place all parts in warm mild detergent water and clean with brushes provided Rinse all parts with clean hot water CAUTION DO NOT DAMAGE PARTS BY DROPPING OR ROUGH HANDLING B Wash the hopper and freezer barrel with warm detergent water and brushes provided C Clean the rear seal surfaces from the inside of the freezer barrel with warm detergent water NOTE Clean the auger drive socket located inside the barrel at the rear seal area Use clean cloth or paper towel for this purpose D Clean the drip tray and insert with a soap solution Rinse with clean hot water 3 10 SANITIZE FREEZER AND FREEZER PARTS A Use a sanitizer 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 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 provi
31. safety dilemma IT IS BEST TO CONTROL MILKSTONE ON A DAILY BASIS BEFORE ITCANBECOME A SIGNIFICANT FOOD SAFETY PROBLEM In addition to food safety milkstone can cause premature wear to machine parts which can add to costs for replacement 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 It is important to distinguish between cleaning and sanitizing 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 Isa 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 procedures that involve milkstone removal are critical for operators of frozen dessertmachines SANITIZING Kills bacteria Can be effective on clean surfaces only DOES NOT clean orremove milkstone NOTE Using a SANTITIZER 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 procedures fall in
32. tency B OFF ON SWITCH The OFF ON switch is a two position toggle switch used to supply power to the control circuit When the switch is in the OFF position nothing will turn When the switch is in the ON position the freezer can be run in the freezing mode or cleaning mode The freezer will be in the idle mode until a switch is activated ev STOELTING Figure 9 Controls 7 C PUSH TO FREEZE SWITCH The PUSH TO FREEZE switch is a snap switch used to start the freezing cycle During initial freeze down the OFF ON switch is placed in the ON position Then the PUSH TO FREEZE switch is pressed until the drive motor and compressor come ON NOTE After the gearmotor starts there is a 3 second delay before the compressor starts During the normal operation the red PUSH TO FREEZE switch light will illuminate after the freezer has been idle for the preset cycles Before drawing product press the red PUSH TO FREEZE switch if it is illuminated Wait until the green light is illuminated before dispensing NOTE If the freezer shuts off and the PUSH TO FREEZE light flashes you have an error condi tion Turn the OFF ON switch to the OFF position correct the problem and turn the freezer back on See Troubleshooting D GREEN LIGHT The green light is used to indicate that the product has reached the proper consistency and is ready to be dispensed The light begins to flash at 98 of consistency NOTE If the PUSH TO FREEZE
33. tice 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 ASIS Further Stoelting shall not 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 SHALL STOELTING BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES WHETHER FOR BREACH OF WARRANTY OR OTHER CON TRACT BREACH NEGLIGENCE OR OTHER TORT OR ON ANY STRICT LIABILITY THEORY
34. to 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 machine Then the machine is disassembled and removable parts are taken to the sink for cleaning 2 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 3 SANITIZING After the machine has been cleaned and contains no milkstone the machine is reassembled Then a FDA approved sanitizing solution is run through the machine to kill bacteria The machine is then ready for food preparation As arecommended cleaner and sanitizer for your frozen dessert machine 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 DELI
35. ura 131 gravity freezer HHV Information Packet Location Model Endura Futura 131 behind Left Side Panel or behind the Front Decorative Panel Figure 1 Model Endura Futura 131 Freezer This freezer is mounted on the optional Floor Stand 1 2 SPECIFICATIONS ss DE EE 34 75 32 36 18 94 20 41 Figure 2 Specifications 1 MODEL ENDURA FUTURA 131 COUNTERMODEL GRAVITYFREEZER Dimensions Freezer 22 56 cm wide x 28 72 cm deep x 34 75 88 cm high Crated 28 71 cm wide x 35 89 cm deep x 38 96 cm high Weight Freezer 370 Ibs 168 kg Crated 450 Ibs 204 kg wm Dess mme Use 20 amp HAGR circuit breaker Electrical Automatic safeguard circuit built into electronic control protects major freezer components under normal operating conditions Cooling Air cooled requires minimum 3 air clearance on right and left hand side No clearance needed in the rear Water cooled required 3 8 I D water supply line and 3 8 I D drain line minimum Hopper 3 Gallons 11 35 liters each refrigerated and insulated SECTION 2 INSTALLATION INSTRUCTIONS 2 1 SAFETY PRECAUTIONS Labels should be checked periodically to be sure they Do not attempt to operate the freezer until the safety can be recognized as warning labels precautions and operating instructions in this manual are read completely and are thoroughly understood If danger warning or caution labels are
36. zer 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 RE SPONSIBLE FOR ALL DAMAGE IN TRANSIT WHETHER VISIBLE OR CONCEALED Do not pay the freight bill until the freezer has been checked for dam age Have the carrier note any visible damage on the freight bill If concealed damaged and or shortage is found later advise the carrier 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 FREEZER INSTALLATION 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 spirit level on top of the freezer at each corner to check for level condition If adjustment is necessary level the freezer by turning the bottom part of each leg in or out Then separate freezer base gasket and install with the seam to the back and the flat to the bottom C Air cooled freezers require correct ventilation The right side of the freezer is the air intake and must have a 3 7 5cm clearance Air discharges out of the left side of the unit and must have 3 7 5cm cle
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