Vollrath Stoelting O431I2F Operator'S Manual Download | Manualshive

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

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

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

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

Main Tel: 800.558.5807
Fax: 920.894.7029

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

© 2014 PW Stoelting, LLC

stoeltingfoodservice.com

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Summary of Contents for Stoelting O431I2F

Page 1: ...Model O431I2F OPERATORS MANUAL Manual No 513678 Rev 1 ...

Page 2: ......

Page 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...

Page 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...

Page 5: ...Machine Parts 10 3 4 Cleaning Disassembled Parts 11 3 5 Sanitizing Machine Parts 11 3 6 Cleaning the Machine 11 3 7 Assembling the Machine 12 3 8 Sanitizing 12 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 13 Disassembly and Inspection of Removable Parts 15 4 Maintenance and Adjustments 4 1 Overrun Adjustment 17 4 2 Mix Pump Hose...

Page 6: ...Codes 21 5 2 Troubleshooting Error Codes 21 5 3 Troubleshooting Machine 23 5 4 Troubleshooting Mix Pump 24 6 Replacement Parts 6 1 Brushes Decals and Lubrication 27 6 2 Spigot Extension 27 6 3 Auger Shaft and Faceplate Parts 28 6 4 Cab Tubing Assembly 29 ...

Page 7: ...t The machine is 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 per sonnel and operators in the installation operation and maintenance of the Stoelting O431 I2 pressure machine SECTION 1 DESCRIPTION AND SPECIFICATIONS Figure 1 1 Model O43...

Page 8: ...6 30P NEMA L6 30P NEMA L15 30P NEMA L15 30P International Option 1 Phase 220 240 VAC 50Hz or 3 Phase 380 415 VAC 50Hz Compressor 15 000 Btu hr Cabinet 1 300 Btu hr Compressor R 134a Compressor 15 000 Btu hr Scroll Compressor Drive Motor Two 2 hp Air Flow Air cooled units require 3 7 6 cm air space on both sides and back and open at the top Plumbing Fittings Water cooled units require 1 2 N P T wat...

Page 9: ...c 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 SECTION 2 INSTALLATION INSTRUCTIONS 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 Put the se...

Page 10: ...hine 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 Gently push the hose into the black cover u...

Page 11: ...cure with hose clamps Fig 2 3 WhenUsingBagConnectionSystem BCS withThree Bags optional kit 2183987 The position of the three bags in the mix container is important The bag that is connected nearest the 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...

Page 12: ...nifold outlet of the mix inlet manifold and secure with retaining clip See Figure 2 5 4 If using two 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 Place the mix bag s into the mix container 7 Connect the bag adapter attached to the left side of the manifold closest to the mix outlet to the mix bag in the back of ...

Page 13: ...acktotheCurrent Status screen and remove the USB flash drive SETTING TIME AND DATE A Press the right arrow button B Move the cursor to the Modify Settings option and press the SEL button Then move the cursor to the Time and Date option and press the SEL button and adjust the settings as required 1 Press the SEL button to enter the Modify Time and Date screen 2 Move the cursor to the setting that n...

Page 14: ... Settings 2 of 3 screen and scroll down to the Time to Dispense 16 oz option B Timehowlongittakestodispense16ozofproduct into a cup and change the value in the control C Measure to overrun of the product and change the value in the control To measure overrun do the following 1 Zero a scale with an 8 16 oz cup 2 Fill the cup with liquid mix and weigh it Make sure the mix is filled to the rim 3 Fill...

Page 15: ...l power has been disconnected G Donotoperateunderunsafeoperatingconditions Neveroperatethemachineifunusualorexcessive noise or vibration occurs SECTION 3 INITIAL SET UP AND OPERATION 3 2 OPERATING CONTROLS AND INDICATORS Before operating the machine it is required that the op erator know the function of each operating control Refer to Figure 3 1 for the location of the operating controls on the ma...

Page 16: ...ervice 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 Turning the...

Page 17: ... front door and auger parts in clean 90 to 110 F 32 C to 43 C water and wash thoroughly four sink procedure only C Place all parts in 90 to 110 F 32 C to 43 C mild detergent water and wash thoroughly D Rinse all parts with clean 90 to 110 F 32 C to 43 C water E Sanitize all machine parts following procedures outlined below 3 5 SANITIZING MACHINE PARTS A Useasanitizer mixedaccordingtomanufacturer s...

Page 18: ...tate slowly until the auger engages the drive shaft H Applyathinlayerofsanitarylubricanttotheinside and outside of the auger support bushing Install the bushing onto the auger support and install the auger support into the front of the auger Rotate the auger support so that one leg of the support points straight up I Assemble the air bleed valve o ring onto the air bleed valve Position the o ring ...

Page 19: ...ing it out to lock it into place E PresstheCLEANbuttontostarttheaugerrotating F Check for leaks when the freezing cylinder is first pressurized with sanitizing solution 1 Check for leaks at the front door seals 2 Check the drain tray located in the front panel for leaks coming from the rear of the rear auger seal 3 Check the inside of the cab unit for leaks at the hose connections G Use a sanitize...

Page 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...

Page 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 ...

Page 22: ...Owner s Manual 513678 16 O431 I2 Model Machines ...

Page 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 ...

Page 24: ... 15cm remains on the entering side and turn the pump off L Connect the mix pump hose to the elbow fitting located on the left side of the mix line manifold using a small hose clamp Be careful not to twist the mix hose M Turn the pump on N Allow the remaining 6 15cm of tubing to feed through the pump until the hose adapter prevents further feeding and turn the pump off CAUTION Risk of Product Damag...

Page 25: ...llowing steps are suggested as a preventative maintenance guide TheUnitedStatesDepartmentofAgricultureandtheFood and Drug Administration require that lubricants used in food zones be certified for this use Use lubricants only in accordance with the manufacturer s instructions A Daily checks Check for any unusual noise or condition and repair immediately B Monthly checks 1 Check drive belts for wea...

Page 26: ...Owner s Manual 513678 20 O431 I2 Model Machines ...

Page 27: ...urther 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 32: ...Owner s Manual 513678 26 O431 I2 Model Machines ...

Page 33: ...24208 Decal Attention Refrigerant Leak Check 2 324509 Decal Cleaning Instructions 1 324566 Decal Wired According To 1 324584 Decal Adequate Ventilation 3 2 324686 Decal Danger Automatic Start 2 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 324922 Decal Assembly Check 1 508048 Lubricant Spline 2 oz Squ...

Page 34: ... Spigot Black 5 Pack 2 624664 5 O Ring Middle Center Spigot Black 5 Pack 1 624678 5 O Ring Rear Seal Black 5 Pack 2 625133 O Ring Front Door Red 2 667868 Seal Rear Auger Orange 2 694200 Spring Air Bleed Valve 2 694255 Spring Auger Flight 10 744273 Tray Drip 1 744276 Tray Drain 1 2104552 Support Front Auger 2 2204332 Auger Shaft 2 2183106 Valve Air Bleed 2 2183110 Door w Pins Air Bleed Valve 1 2183...

Page 35: ...heck Valve 2 696152 Clip Lock Check Valve 2 756067 Tubing 1 4 ID Clear Air Line 25 Increments Per Inch 13 2 756088 Tubing 1 2 ID Clear Mix Line 25 Increments Per Inch 21 2 and 6 2 756204 Tubing 1 4 ID Pump 50 Box Only Per Inch 756204 40 Tubing 1 4 ID Pump Pre Cut 40 Piece 4 762256 Check Valve Mix Outlet 2 1172864 Check Valve Mix In Line Outer 2 2177274 Clip Retaining Mix Probe To Cover 2 2203792 P...

Page 36: ...Owner s Manual 513678 30 O431 I2 Model Machines ...

Page 37: ...ese obligations 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 packag...

Page 38: ...ted to hoses piping or electrical equipment e Labor and travel charges due to return trips or waiting if the Authorized Stoelting Provider is prevented from promptly starting service work upon arrival This exception includes labor charges incurred for limited access facilities including but not limited to government and military buildings and airports f Failure damage or repairs due to faulty inst...

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