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Model U421I2

OPERATORS MANUAL

Manual No. 513685

Rev.0

Содержание Stoelting U421 I2

Страница 1: ...Model U421I2 OPERATORS MANUAL Manual No 513685 Rev 0 ...

Страница 2: ......

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

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

Страница 5: ...IntelliTec2 6 3 Initial Set Up and Operation 3 1 Operator s Safety Precautions 9 3 2 Operating Controls and Indicators 9 3 3 Disassembly of Parts 10 3 4 Cleaning Disassembled Parts 11 3 5 Sanitizing Parts 11 3 6 Cleaning the Machine 11 3 7 Assembling the Machine 12 3 8 Sanitizing 13 3 9 Freeze Down And Operation 13 3 10 Mix Information 14 3 11 Operation of Mix Pump 14 3 12 Mix Pump Cleaning 15 3 1...

Страница 6: ...n Adjustment 18 4 5 Condenser Cleaning Air Cooled Machines 19 4 6 Preventative Maintenance 19 4 7 Extended Storage 19 5 Troubleshooting 5 1 Error Codes 21 5 2 Troubleshooting 21 5 3 Troubleshooting Machine 23 5 4 Troubleshooting Mix Pump 24 6 Replacement Parts 6 1 Brushes Decals and Lubrication 27 6 2 Trays 27 6 3 Auger Shaft and Front Door Parts 28 6 4 Cab Tubing 29 ...

Страница 7: ...sure fed It is equipped with fully automatic controls to provide a uniform product This manual is designed to assist qualified service per sonnel and operators with installation operation and maintenance of the U421 I2 SECTION 1 DESCRIPTION AND SPECIFICATIONS Figure 1 2 Dimensions Figure 1 1 Model U421 I2 Machine ...

Страница 8: ... ampacity 32A 32A 20A 20A 32A 32A 20A 20A maximum overcurrent protection device 50A 50A 30A 30A 50A 50A 30A 30A International Option 1 Phase 220 240 VAC 50Hz or 3 Phase 380 415 VAC 50Hz Compressor Two 19 000 Btu hr Cabinet 1 300 Btu hr Compressor R 134a Drive Motor Two 2 hp Cooling Water cooled units require 1 2 N P T water and drain fittings Maximum water pressure of 130 psi Minimum water flow ra...

Страница 9: ...evere damage to the machine and will void fac tory warranty Installation of the machine involves moving the machine close to its permanent location removing all crating set ting in place assembling parts and cleaning PRIOR TO INSTALLATION A Locate a copy of the service contact file info txt B Modify the info txt file with information from the service company using the instructions in the file C Pu...

Страница 10: ...mix pump hose in the cabinet part of the machine 1 Turn the mix pump on by pressing the Pump On Off button on the touchpad 2 Feed one end of the mix pump hose into the entering or pickup hose side left of black cover Fig 2 2 NOTE Feed the tube into the clamp so the natural curve of the tube is towards the outside of the black cover This prevents the hose from looping around the black cover twice 3...

Страница 11: ...he outlet of the manifold will drain last and should be placed at the back of the mix container The mix low level indicator relies on proper bag placement 1 Connect3 8 9 5mm IDplasticfoodgradetubing to a bag adapter Secure with hose clamps 2 Slide the hose clip over free end of 3 8 9 5mm ID plastic food grade tubing Attach the free end of the tubing to a manifold adapter Secure with a large hose c...

Страница 12: ...mix bags repeat steps 1 to 3 for the middle port 5 Install a manifold plug into each empty inlet and secure with a retaining clip 6 Placethemixbag s into the mix container 7 Connectthebagadapter attached to the left side of the manifold closest to the mix outlet to the mix bag in the back of the mix container Figure 2 4 Bag Connection System Optional Bag Adapter Manifold Adapter Retaining Clip Mix...

Страница 13: ...he Modify Settings option and press the SEL button Then move the cursor to the User Preferences and press the SEL button D On the User Preferences screen move the cursor totheContactInformationUSBUpdateandpress the SEL button E The screen will change and show File Found for a quick second while it updates the information F Afterupdatingthecontactinformation thescreen will show the Service Contact ...

Страница 14: ...he CutIn Consist Offset 2 If the product is too firm decrease the CutIn Consist Offset F After the consistency is set press the left arrow buttononcesothattheModifyOperatingSettings screen is displayed SETTING SERVE TIME AND OVERRUN DETAILS A Go to the Advanced Settings 2 of 3 screen and scroll down to the Time to Dispense 16 oz option B Timehowlongittakestodispense16ozofproduct into a cup and cha...

Страница 15: ...elry that could cause a serious accident D Maintain a clean work area Avoid accidents by cleaning up the area and keeping it clean 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 F Disconnect power for maintenance Never attempt to repair or perform maintenance on the machine until the main electrical power has been disconn...

Страница 16: ...sed by service technicians to navigate through the control readings and settings B SPIGOT SWITCH The spigot switch is mounted to the spigot cam assembly behind the header panel When the spigot is opened to dispense product the spigot switch opens and the Serve Mode begins C DISPENSE RATE ADJUSTOR The dispense rate adjustor is located under the header panel totheimmediaterightofthespigothandles Tur...

Страница 17: ...s in clean 90 to 110 F 32 C to 43 C water and wash thoroughly four sink procedure only C Place all parts in 90 to 110 F 32 C to 43 C mild detergent water and wash thoroughly D Rinse all parts with clean 90 to 110 F 32 C to 43 C water E Sanitize all machine parts following procedures outlined below 3 5 SANITIZING PARTS A Useasanitizer mixedaccordingtomanufacturer s instructions to provide a 100 par...

Страница 18: ...Drug Administration require that all cleaning and sanitizing solutions used with food processing equipment be certified for this use 3 7 ASSEMBLING THE MACHINE Toassemblethemachineparts refertothefollowingsteps NOTICE Petrol Gel sanitary lubricant or equivalent must be used when lubrication of machine parts is specified NOTICE The United States Department of Agriculture and the Food and Drug Admin...

Страница 19: ...by pressing and holding Hold the valve open until the mix level in the freezing cylinder is 1 2 from the air bleed valve H Press the On Off button for the cylinder I Press the PUSH TO FREEZE button When sanitizing the machine refer to local sanitary regu lations for applicable codes and recommended sanitizing products and procedures The frequency of sanitizing must comply with local health regulat...

Страница 20: ...s mix to another Mixes should provide a satisfactory product in the 20 F to 24 F range Diet and low carb mixes typically freeze to proper consistency at higher temperatures When checking the temperature stir the thermometer in the frozen product to get an accurate reading Old mix or mix that has been stored at too high a tempera ture can result in a finished product that is unsatisfactory To retar...

Страница 21: ...nnections may be sprayed with Haynes Sanitary Lubricant for ease of removal WARNING Hazardous Moving Parts Revolving pump head can grab mangle and cause serious crushing injury Make sure the display shows the freezing cylinders and pump are off If they are not press the On Off button and Pump button to turn them off CAUTION System Under Pressure Never disconnect hoses from the machine or the pump ...

Страница 22: ...Owner s Manual 513685 16 U421 I2 Model Machines ...

Страница 23: ...h hose is long enough for 3 repositions before replacement is required NOTE The hose timer must be reset each time the hose is repositioned or replaced to keep an accurate record of the hose service time SECTION 4 MAINTENANCE AND ADJUSTMENTS Thissectionisintendedtoprovidemaintenancepersonnel withageneralunderstandingofthemachineadjustments It is recommended that any adjustments in this section be ...

Страница 24: ...ean the pump roller assembly first with detergent water and then clear water G Connect the new mix pump hose to the pickup hose adapter using the small clamp H Feed one end of the mix pump hose into the pickup hose side left of the black cover NOTE Feed the tube into the clamp so the natural curve of the tube is towards the outside of the black cover This prevents the hose from looping around the ...

Страница 25: ...t with clean water and allow it to dry before replacing it on the machine C Visually inspect the condenser for dirt by shining a light through the coil of the condenser D If the condenser is dirty place a wet towel over the condenser E Using compressed air or a CO2 tank blow out the dirt from the inside of the condenser Most of the dirt will cling to the wet towel NOTE If the condenser is not kept...

Страница 26: ...dings orbuildingssubjecttofreezing thewater must be shut off and disconnected Disconnect the water inlet fitting The fitting is located at the rear of the machine Run the compressor for 2 3 minutes to open the water valve the front door mustbeattachedforthecompressortorun Blow out all the water through the water inlet Drain the water supply line coming to the machine Disconnect the water outlet fi...

Страница 27: ... assistance Error Code 3 Run Time The Run Time Error E3 occurs when the compressor runs continuously for an extended period This error is generally caused by very low mix levels in the 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 mix container If the level mix is low add mix If there ...

Страница 28: ...tout High Pressure Cutout Errors E9 are usually caused by a dirty or inefficient condenser If the control panel displays an E9 on an air cooled machine check for proper air clearance around the machine If there is an E9 on a water cooled machine check for proper flow from the water supply or kinks in the hoses If the error persists contact your Authorized Stoelting Distributor for further assistan...

Страница 29: ...r service Product does not dispense 1 No mix in the mix container 1 Add mix to the mix container 2 Drive motor overload tripped 2 Wait for automatic reset If condition continues call distributor for service 3 Drive belt failure 3 Replace drive belt 4 Freeze up Auger will not turn 4 Turn off cylinder wait for 15 minutes then restart 5 Auger turning counter clockwise 5 Change rotation to clockwise D...

Страница 30: ...2 3 pints to reduce system pressure to zero Turn pump on Purge remaining air in mix bag and pick up hose Important before connecting the pick up hose to the mix bag remove as much air from the mix bag as possible 1 Out of Mix 1 Replenish mix supply 2 Mix pump hose kinked inside black cover clamp 2 Disconnect pump from power source Remove four cover clamp thumb screws Separate cover clamp halves an...

Страница 31: ... damage from dried mix deposits immediately disassemble and clean pump 1 Mix pump hose service life is exceeded 1 Remove mix pump hose Disconnect pump from power source Remove mix pump cover clamp Clean the rollers a small amount of soapy water Clean mix from pump See Section 4 2 for hose replacement Pump is noisy squeaking Note The action of the air compressor rocking arm creates a repetitive cli...

Страница 32: ...Owner s Manual 513685 26 U421 I2 Model Machines ...

Страница 33: ...al Caution Rotating Blades 1 324200 Decal Manual Reset 1 324208 Decal Attention Refrigerant Leak Check 1 324393 Decal Stoelting Swirl Logo 1 324509 Decal Cleaning Instructions 1 324548 Decal Adequate Ventilation 6 1 324566 Decal Wired According To 1 324803 Decal Domed Stoelting Logo Large Header Panel 1 324888 Decal Fan Motor Reset 1 324901 Decal Transformer Switch 1 324909 Decal USB Port 1 324932...

Страница 34: ... 624598 O Ring Outside Spigot Black 4 624678 O Ring Rear Seal Black 2 625133 O Ring Front Door Black 2 667868 Seal Rear Auger Orange 2 694200 Spring Air Bleed Valve 2 694255 Spring Auger Flight 12 1151859 Adapter Rear Seal Code 1 2 2104552 Support Front Auger 2 2183106 Valve Air Bleed 2 2187696 Front Door 2 2204252 Spigot Body 2 4151178 Auger Shaft 2 694200 482004 482019 2204252 624598 2187696 625...

Страница 35: ...2 696152 Clip Lock Check Valve Cab 6 756067 Tubing 1 4 ID Clear Air Line 25 Increments Per Inch Two 13 756079 Tubing 3 8 ID Clear Mix Line 25 Increments Per Inch Two 24 756088 Tubing 1 2 ID Clear Mix Line 25 Increments Per Inch Two 6 756204 Tubing 1 4 ID Pump 50 Box Only Per Inch Cab 756204 24 Tubing 1 4 ID Pump Pre Cut 24 Piece Cab 8 762256 Check Valve Mix Outlet Cab 2 1183187 Check Valve Mix In ...

Страница 36: ...Owner s Manual 513685 30 U421 I2 Model Machines ...

Страница 37: ...ions remedies are subject to the conditions that Buyer a signs and returns to Stoelting upon installation the Start Up and Training Checklist 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...

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