Manuals / Middleby Marshall / Kitchen Appliance / Oven

Middleby Marshall PS740E relieves the manufacturer of all warranty and liability

Models: PS740E

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relieves the manufacturer of all warranty and liability.

WARNING

Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death. Read the installation, operating and maintenance instructions thoroughly before installing or servicing this equipment.

NOTICE

During the warranty period, ALL parts replacement and servicing should be performed by your Middleby Marshall Authorized Service Agent. Service that is performed by parties other than your Middleby Marshall Authorized Service Agent may void your warranty.

NOTICE

Using any parts other than genuine Middleby Marshall factory manufactured parts

relieves the manufacturer of all warranty and liability.

NOTICE

Middleby Marshall reserves the right to change specifications at any time.

Middleby is proud to support the Commercial Food Equipment Service Association (CFESA). We recognize and applaud CFESA's ongoing efforts to improve the quality of technical service in the industry.

Middleby Cooking Systems Group • 1400 Toastmaster Drive • Elgin, IL 60120 • USA • (847)741-3300 • FAX (847)741-4406

www.middleby.com

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Middleby Marshall PS740E installation manual relieves the manufacturer of all warranty and liability

Contents

OWNERS OPERATING AND INSTALLATION MANUAL PS740 Series Electric Ovensfor domestic and standard export ovens ModelRETAIN THIS MANUAL FOR FUTURE REFERENCE MIDDLEBY MARSHALL INC. OVEN LIMITED WARRANTY Non U.S.A MIDDLEBY MARSHALLNO QUIBBLE LIMITED WARRANTY U.S.A. ONLYTABLE OF CONTENTS SECTION 5 - TROUBLESHOOTINGSECTION 6 - ELECTRICAL WIRING DIAGRAM SECTION 3 - OPERATIONSECTION 1 - DESCRIPTION I. OVEN USESII. OVEN COMPONENTS - see Figure Machinery Compartment Access Panel Allows accessI. OVEN SPECIFICATIONS SERIES PS740 ELECTRICAL SPECIFICATIONSWiring Diagrams are contained in Section 6 of this Manual and are also located inside the oven at theSECTION 2 - INSTALLATION PS740 24″ OVEN INSTALLATION REQUIRED KITS AND EQUIPMENT PARTS LIST FOR SERIES PS740 ELECTRIC OVEN INSTALLATION KIT P/NFigure 2-1A. PS740-Series Electric Oven Installation Parts InstallationPS740 OVEN INSTALLATION REQUIRED KITS AND EQUIPMENT PARTS LIST FOR SERIES PS740 ELECTRIC OVEN INSTALLATION KIT P/NFigure 2-1B. PS740-Series Electric Oven Installation Parts InstallationFigure 2-2A. Model PS740 24″ Single Oven Option Base with Legs and TopITEM NO DESCRIPTIONFigure 2-2B. Model PS740 32″ Single Oven Option Base with Legs and TopITEM NO DESCRIPTIONFigure 2-3A. Model PS740 24″ Double Oven Option Base with Legs and TopITEM NO DESCRIPTIONFigure 2-3B. Model PS740 32″ Double Oven Option Base with Legs and TopITEM NO DESCRIPTIONFigure 2-4A. Model PS740 24″ Triple Oven Option Base with Outriggers and TopITEM NO DESCRIPTIONFigure 2-4B. Model PS740 32″ Triple Oven Option Base with Outriggers and TopITEM NO DESCRIPTIONequipment directly to the oven RESTRICT SERVICE ACCESSMOUNTING SUCH EQUIPMENT ON THE OVEN MAY VOID AGENCY CERTIFICATIONS III. VENTILATION SYSTEMIV. ASSEMBLY Figure 2-7. Base pad InstallationFigure 2-6. Leg extension and casters installation Figure 2-8. Top panel installationFigure 2-10. Top panel installation Figure 2-11. Installing the Restraint CableC. Restraint Cable Installation Figure 2-9. StackingFigure 2-12. Conveyor installation Figure 2-13. Conveyor placementD. Conveyor Installation Figure 2-14. Conveyor Belt tensionRESETTING DIRECTION JUMPER SWITCHING PHOTO DETECTORE. Final Assembly CONVEYOR BELT REVERSALIV. ELECTRIC SUPPLY FOR ELECTRICALLY HEATED OVENS III. ELECTRICAL CONNECTION INFORMATION FOR PS740E-SERIES OVENSFigure 2-18. Utility Connection Locations for Figure 2-17. Typical Electric Oven Data PlateUTILITY ROUGH-IN DIMENSIONS AND POSITIONING FOR PS740-SERIES OVENS ELECTRICAL SPECIFICATIONSFigure 2-19. Typical PS740-Series Ovens Installation SUPPLY WIREB. Conveyor Time Setting C. Temperature Control/DisplayE. Energy Level Indicators SECTION 3 - OPERATIONA. Daily Startup Procedure B. Daily Shutdown ProcedureB. Oven Temperature/Set Point/Indicator Screen II. NORMAL OPERATION - STEP-BY-STEPSYMPTOM PROBLEMSOLUTION SYMPTOMSECTION 4 - MAINTENANCE I. MAINTENANCE - DAILYFigure 4-1. Cooling Vents and Grills II. MAINTENANCE - MONTHLY Top RowBottom Row Figure 4-2. Removing Air Fingers and PlatesIII. MAINTENANCE - EVERY 3 MONTHS Figure 4-5. Drive shaft configurationsD. Split Belt Disassembly and Cleaning Figure 4-4. Disassembling the idler shaftIV. MAINTENANCE - EVERY 6 MONTHS Figure 4-7. Rear panel accessFigure 4-6. Disassembling the drive shaft E. Blower BeltFigure 4-8. Key Spare Parts V. KEY SPARE PARTS - Available separately. See FigureITEM QTY DESCRIPTIONSECTION TROUBLESHOOTING PROBLEM PRODUCTS ARE OVERCOOKED OR UNDERCOOKEDPROBLEM OVEN BLOWER AND CONVEYOR OPERATE YET THE OVEN IS NOT HEATING PROBLEM OVEN DOES NOT HEATSECTION 6 - WIRING DIAGRAM Middleby-Marshall Model Number E208-240 Volt 50/60 Hz, 3 PhaseMiddleby-Marshall Model Number E380-480 Volt 50/60 Hz, 3 Phase 60741 Rev. FPage Page relieves the manufacturer of all warranty and liability