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Picard PO-3-20S Owner's Manual

Pita oven
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PITA OVEN
Owner's Manual
Serial number : _________________________
Notes :
240 Industriel Blvd, Saint-Germain-de-Grantham, Qc, Canada, J0C 1K0
T : 819.395.5151 | F : 819.395.5343 | info@sipromac.com

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  • Page 1 PITA OVEN Owner’s Manual Serial number : _________________________ Notes : 240 Industriel Blvd, Saint-Germain-de-Grantham, Qc, Canada, J0C 1K0 T : 819.395.5151 | F : 819.395.5343 | info@sipromac.com...

  • Page 2: Table Of Contents

    Customer maintenance ............. 37 4.1.1 Schedule ..............37 4.1.2 Customer maintenance procedure ......... 38 Technician maintenance ............ 41 4.2.1 Schedule ..............41 4.2.2 Maintenance kit ............42 4.2.3 Maintenance procedure ..........43 Critical parts list ............... 47 PO-3-20S Revision 0...
  • Page 3 Troubleshooting list ............50 Limited warranty and sales conditions ......... 52 Electrical drawings ............54 Mechanical drawings ............55 FIGURES Figure 1 – Labels ................ 10 Figure 2 Pita Oven connections ............ 16 TABLES Table 1. Revisions table .............. 5 PO-3-20S Revision 0...
  • Page 4 MANUFACTURING OVENS USING STATE OF THE ART TECHNOLOGIE Rugged, efficient and easy to use, the Picard Pita Oven is well known for its reliability. This oven is excellent for a wide variety of flat breads product, but is perfect for pita bread.

  • Page 5: Generalities

    Owner’s Manual 1 GENERALITIES 1.1 Revisions Table 1. Revisions table Revision Date Modifications 08-01-2016 New pita oven models and new owner’s manual. PO-3-20S Revision 0...

  • Page 6: Warnings

     Be sure that everyone else is clear of your work area before operating the oven.  Do not sit nor stand on the oven.  Always turn off the oven after your work is done. Never leave a running oven unattended. PO-3-20S Revision 0...
  • Page 7 Warning: Your responsibility This oven should only be operated by staff that can read, understand respect warnings instructions regarding this oven in the owner’s manual. Save these instructions for future reference. PO-3-20S Revision 0...
  • Page 8 EQUIPMENT. DO NOT USE THIS APPLIANCE IF ANY OF ITS PARTS HAVE BEEN UNDER WATER. IMMEDIATELY CONTACT A QUALIFIED SERVICE TECHNICIAN TO INSPECT THE APPLIANCE AND TO REPLACE ANY PARTS OF THE CONTROL SYSTEM WHICH WERE SUBMERGED UNDER WATER. PO-3-20S Revision 0...

  • Page 9: Authorized Technician

    Owner’s Manual 1.3 Authorized technician WARNING All installation and/or service on this PICARD PITA OVEN must be performed qualified, certified, licensed and/or authorized installation or technical service personnel. All electrical, gas and plumbing connections must be made by authorized technicians and in compliance with all electrical, gas, plumbing and safety requirements.

  • Page 10: Labels

    Owner’s Manual 1.4 Labels EACH PITA OVEN CONTAINS THE FOLLOWING LABELS (NOT TO SCALE). THEY SHOULD NEVER BE REMOVED. DANGER-WARNING Never put your hands inside the oven while the conveyor is moving. Figure 1 – Labels PO-3-20S Revision 0...

  • Page 11: Specifications And Installation

    The left to right or right to left options does not change the overall dimensions. Left to right means that when you look at the Pita Oven from the control screen side, the entrance is to your left. The opposite follows the same logic. 2.1.1 No conveyor exit PO-3-20S Revision 0...
  • Page 12 Owner’s Manual PO-3-20S Revision 0...

  • Page 13: With Conveyor

    Owner’s Manual 2.1.2 With conveyor PO-3-20S Revision 0...
  • Page 14 Owner’s Manual PO-3-20S Revision 0...

  • Page 15: Installation Requirements

    Table 2. Minimal distances between combustible and non-combustible material MINIMAL DISTANCES Oven sides 2 inches of clearance Oven floor 0 inch of clearance Oven exit (no conveyor model) 6 inches to let the pita out of the oven PO-3-20S Revision 0...

  • Page 16: Connections

    2.4 Exhaust and ventilations The Pita Oven is not required by the law to be placed under a ventilation hood with a specific CFM. However, it is mandatory to have a ventilation hood. Do not fully enclose. PO-3-20S Revision 0...

  • Page 17: Operation

    - Access the SYS in the setup window #2 - Access the user setup in the setup menu page 3 - Access the clock Setup in the setup menu page 3 - Access the recipe parameters in the recipe menu page 1 PO-3-20S Revision 0...

  • Page 18: Main Menu

    Setup: The SETUP BUTTON sends you to the SETUP MENU PAGE 1, where you can change the cooking parameters, temperatures, cooking time, language. The SYS is only an access for PIARD. You also have an access to the USERSETUP, ABOUT and the CLOCKSETUP. PO-3-20S Revision 0...
  • Page 19 Note: The screen color change according to oven condition, orange when the oven is stopped, in standby mode it will be flashing between green and orange and when the oven is running or ready to run the screen color will be green. PO-3-20S Revision 0...
  • Page 20 They will slowly go towards your SET column value. This is not the temperature inside the cooking room. Left Arrow: The LEFT ARROW BUTTON on the top left corner sends you back to the MAIN MENU. This arrow doesn’t stop the oven. PO-3-20S Revision 0...
  • Page 21 Note: The temperature top center and top sides must be adjusted to bake the pita evenly on all the width of the baking chamber. It is suggested to be around 10⁰F higher on the top side than on the top center. PO-3-20S Revision 0...
  • Page 22 System: The SYSTEM BUTTON allows changing the HMI parameters. Only PICARD technician are allow to have an access in that menu. Picard Ovens is not responsible for any damage caused to the HMI by any non-qualified user. Left Arrow: The LEFT ARROW BUTTON on the top left corner sends you back to the MAIN MENU.
  • Page 23 SYSTEM user. To use the Auto Start Option, the clock setups have to be correctly programed. Left Arrow: The LEFT ARROW BUTTON on the top left corner sends you back to the MAIN MENU. PO-3-20S Revision 0...
  • Page 24 Owner’s Manual ABOUT WINDOWS You can access the ABOUT WINDOW with the ABOUT BUTTON at the SETUP WINDOW #3. The ABOUT BUTTON will send you to the PICARD company address. The down arrow will send you to the PLC/HMI VERSION window.
  • Page 25 After, select the right arrow and you will be sent to the new password window. Write the new password and after save the password with the button in red. To leave this window uses the button at the right of the window. PO-3-20S Revision 0...
  • Page 26 The name of the recipe will be show in this window. Selected the recipe you want and the value will move in the oven baking setup. No security needed to choose the recipe you want to activate. PO-3-20S Revision 0...
  • Page 27 SAVE BUTTON, the values you have in the new value Column will move to the Column value of your recipe. To be able to modify recipe, you will have to be login with the USER user or with the SYSTEM user. PO-3-20S Revision 0...
  • Page 28 The button also shows you the state enable/disable for the function autostart. The AUTOSTART STATE WINDOW also show you the oven date and time. IMPORTANT NOTICE: Always make sure that the clock and date are good before activating the autostart function. PO-3-20S Revision 0...
  • Page 29 The AUTOSTART STATE WINDOW also show you which day of the week are enable for the autostart function. WHITE IS ENABLED, GREY IS DISABLED. To setup the autostart, choose the day by clicking on is state display. PO-3-20S Revision 0...
  • Page 30 3 days in the setup of each day and you also need to enable the main autostart with the button in the autostart state window. IMPORTANT NOTICE: Always make sure that the clock and date are good before activating the autostart function. PO-3-20S Revision 0...
  • Page 31 The keyboard allows you to enter the desired temperature or baking time in the SETUP MENU. Simply press clear, then the number and press the Ent Button to confirm. If the number is not valid, the number will start flashing and will not be accepted. PO-3-20S Revision 0...
  • Page 32 START or STOP occurs. If a recipe is active, when you go in standby mode, the bottom temp and the baking time of the recipe will be the value for the standby mode. PO-3-20S Revision 0...
  • Page 33 Display the temperature read by the thermocouple inside the chamber. When it reaches its limit, the Pita Oven shuts down and the message High temperature appears. It is illegal to reprogram it or to attempt to bypass it. PO-3-20S Revision 0...

  • Page 34: First Start-Up

    4 hours total. 9. You are now ready to cook. Complete the verification list if it is not done yet. Table 3. First start-up suggested settings Top center Top side Bottom Baking time 940⁰F 950⁰F 525⁰F 90 seconds PO-3-20S Revision 0...

  • Page 35: First Start-Up Troubleshooting

    The small The coupling is not in function. It You need to connect conveyors are can happen when you put the the coupling with the not running conveyors back after cleaning. 2 shafts. PO-3-20S Revision 0...

  • Page 36: Production

    1. Press one of the emergency buttons and address the problem if it is minor. 2. Call your local service company or your local dealer if you cannot identify without any doubt the problem or if you need help. PO-3-20S Revision 0...

  • Page 37: Maintenance

    5. Remove any excess flour or dust in the oven base. 6. Clean the axial ventilation fan in the oven base. 7. Apply a new layer of all-vegetable shortening on each cooking plate. (Glazing) PO-3-20S Revision 0...

  • Page 38: Customer Maintenance Procedure

    The figure below shows the part that you should clean everyday as described by the point 1-2-3 and the monthly cleaning, point 5-6, in the maintenance schedule (see 4.1.1) Entry conveyor Exit conveyor Base + fan (inside) Breadcrumbs drawer (under) PO-3-20S Revision 0...
  • Page 39 TO AVOID INJURY Lubricating the main conveyor chain Use only a Picard food grade lubricant. The first pint is provided with the Pita Oven; contact Picard Service for subsequent pint. 1. Remove the panel protecting the electrical component to expose the high limit.
  • Page 40 7. When it is done, turn up the oven to its production settings and let the shortening slowly turn brown. This process should take 2- 3 hours depending on the layer thickness. It is ready when the oven stop smoking. 8. You are ready to cook again. PO-3-20S Revision 0...

  • Page 41: Technician Maintenance

    Inspect the small conveyor(s) and tighten the flat flex belt if needed. Inspect the elongation of the #35 and #40 chains Check the sprocket for proper chain alignment and wear. Verify the main conveyor spring elongation. Change the main conveyor rollers. PO-3-20S Revision 0...

  • Page 42: Maintenance Kit

    *The 6 months kit includes 6 months worth of graphite oil for the customer monthly maintenance. We also supply the 6 first months with the purchase. WARNING For repair or maintenance, contact the factory’s customer service department, your sales representative or a local agency. www.picardovens.com PO-3-20S Revision 0...

  • Page 43: Maintenance Procedure

    1. Lubricate the #35.the #40 chains and the grease point. Apply a small touch of grease FO75-0015 on the full length. 2. Inspect the main chain conveyor for any wear. A perfect roller should look like the following picture. The graphite bushings can have minor chip PO-3-20S Revision 0...
  • Page 44 3. Inspect and changed in damaged fuses Refer to the spare part list for fuses numbers. All the fuses are located on the same board (see below) 4. Inspect and tighten if needed the elements connections and the overall wiring. PO-3-20S Revision 0...
  • Page 45 8. Inspect the small conveyor(s) and tighten the flat flex belt if needed. 1. Untie the patent mesh 2. Remove a mesh for the whole width 3. Tie back the patent mesh. 4. Repeat as needed. PO-3-20S Revision 0...
  • Page 46 12. Change every roller on the main conveyor 1. Remove the snap ring. 2.Remove the roller and keep the washer. 3. Insert the new roller, then the washer and finally the snap ring. 4. Repeat for the 51 others. PO-3-20S Revision 0...

  • Page 47: Critical Parts List

    SSR 25A 3 Poles EL03-0139 Contactor 9A 24VDC El16-0045 Schneider HMI EL02-0200 (preprogrammed)** Worm gear motor EL32-0099 Thermocouple (high limit) EL32-0102 Thermocouple (bottom) EL32-0105 Fuse 25A EL36-0029 Fuse 20A EL36-0004 Fuse 3A/250V EL36-0005 Fuse 2A/250V EL36-0025 Fuse 7A/600V EL36-0408 PO-3-20S Revision 0...
  • Page 48 Owner’s Manual Ceramic infrared panel heater EL16-0044 230V 1000KW Ceramic infrared panel heater El16-0045 230V 1000KW with integrated thermocouple Tubular element 220V EL16-0046 1500kW ** Make sure to order the compatible version with your PLC. PO-3-20S Revision 0...

  • Page 49: Troubleshooting

    5 TROUBLESHOOTING The troubleshooting should always be done by qualified technician or from the customer with the assistance and approval of Picard service. This section is meant only for the simple problems, simple fixes. For the more advanced troubleshooting list, please refer to our Pita Oven Troubleshooting guide.

  • Page 50: Troubleshooting List

    700 to readjust it. The baking leaves marks There Scrape the shortening layer with a on the pita. excessive amount scraper and reapply a new one. shortening plate or not enough at all. PO-3-20S Revision 0...
  • Page 51 Owner’s Manual APPENDICES PO-3-20S Revision 0...

  • Page 52: Limited Warranty And Sales Conditions

    Owner’s Manual 5.3 Limited warranty and sales conditions PO-3-20S Revision 0...
  • Page 53 Owner’s Manual PO-3-20S Revision 0...

  • Page 54: Electrical Drawings

    Owner’s Manual 5.4 Electrical drawings PO-3-20S Revision 0...

  • Page 55: Mechanical Drawings

    Owner’s Manual 5.5 Mechanical drawings Plan de montage PO-3-20S Revision 0...

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