Model
OWNERS OPERATING AND INSTALLATION MANUAL
PS740 Series Electric Ovens
for domestic and standard export ovens
RETAIN THIS MANUAL FOR FUTURE REFERENCE
U.S.A. Only
MIDDLEBY MARSHALL INC. OVEN LIMITED WARRANTY Non U.S.A
MIDDLEBY MARSHALL
No Quibble Limited Warranty
SECTION 3 - OPERATION
TABLE OF CONTENTS
SECTION 6 - ELECTRICAL WIRING DIAGRAM
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Figure 1-1. Oven Components
SECTION 1 - DESCRIPTION
I. OVEN USES
II. OVEN COMPONENTS - see Figure
Table 1-2 General Specifications
I. OVEN SPECIFICATIONS
SERIES PS740 ELECTRICAL SPECIFICATIONS
Table 1-1 Dimensions
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SECTION 2 - INSTALLATION
Installation
PS740 24″ OVEN INSTALLATION REQUIRED KITS AND EQUIPMENT
PARTS LIST FOR SERIES PS740 ELECTRIC OVEN INSTALLATION KIT P/N
Figure 2-1A. PS740-Series Electric Oven Installation Parts
Installation
PS740 OVEN INSTALLATION REQUIRED KITS AND EQUIPMENT
PARTS LIST FOR SERIES PS740 ELECTRIC OVEN INSTALLATION KIT P/N
Figure 2-1B. PS740-Series Electric Oven Installation Parts
ITEM NO
Figure 2-2A. Model PS740 24″ Single Oven
Option Base with Legs and Top
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ITEM NO
Figure 2-2B. Model PS740 32″ Single Oven
Option Base with Legs and Top
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ITEM NO
Figure 2-3A. Model PS740 24″ Double Oven
Option Base with Legs and Top
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DESCRIPTION
Figure 2-3B. Model PS740 32 Double Oven Option Base with Legs and Top
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ITEM NO
ITEM NO
Figure 2-4A. Model PS740 24″ Triple Oven
Option Base with Outriggers and Top
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ITEM NO
Figure 2-4B. Model PS740 32″ Triple Oven
Option Base with Outriggers and Top
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EXPENSES FOR THE OWNER
equipment directly to the oven
RESTRICT SERVICE ACCESS LEAD TO INCREASED SERVICE
MOUNTING SUCH EQUIPMENT ON THE OVEN MAY VOID AGENCY CERTIFICATIONS
Figure 2-8. Top panel installation
IV. ASSEMBLY
Figure 2-7. Base pad Installation
Figure 2-6. Leg extension and casters installation
Figure 2-9. Stacking
Figure 2-10. Top panel installation
Figure 2-11. Installing the Restraint Cable
C. Restraint Cable Installation
Figure 2-14. Conveyor Belt tension
Figure 2-12. Conveyor installation
Figure 2-13. Conveyor placement
D. Conveyor Installation
CONVEYOR BELT REVERSAL
RESETTING DIRECTION JUMPER
SWITCHING PHOTO DETECTOR
E. Final Assembly
Figure 2-17. Typical Electric Oven Data Plate
IV. ELECTRIC SUPPLY FOR ELECTRICALLY HEATED OVENS
III. ELECTRICAL CONNECTION INFORMATION FOR PS740E-SERIES OVENS
Figure 2-18. Utility Connection Locations for Elec
SUPPLY WIRE
UTILITY ROUGH-IN DIMENSIONS AND POSITIONING FOR PS740-SERIES OVENS
ELECTRICAL SPECIFICATIONS
Figure 2-19. Typical PS740-Series Ovens Installation
SECTION 3 - OPERATION
B. Conveyor Time Setting
C. Temperature Control/Display
E. Energy Level Indicators
II. NORMAL OPERATION - STEP-BY-STEP
A. Daily Startup Procedure
B. Daily Shutdown Procedure
B. Oven Temperature/Set Point/Indicator Screen
SOLUTION
III. QUICK REFERENCE TROUBLESHOOTING
SYMPTOM
PROBLEM
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SECTION 4 - MAINTENANCE
I. MAINTENANCE - DAILY
Figure 4-1. Cooling Vents and Grills
Figure 4-2. Removing Air Fingers and Plates
II. MAINTENANCE - MONTHLY
Top Row
Bottom Row
Figure 4-4. Disassembling the idler shaft
III. MAINTENANCE - EVERY 3 MONTHS
Figure 4-5. Drive shaft configurations
D. Split Belt Disassembly and Cleaning
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IV. MAINTENANCE - EVERY 6 MONTHS
Figure 4-7. Rear panel access
Figure 4-6. Disassembling the drive shaft
ITEM QTY
Figure 4-8. Key Spare Parts
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V. KEY SPARE PARTS - Available separately. See Figure
PROBLEM OVEN DOES NOT HEAT
SECTION TROUBLESHOOTING
PROBLEM PRODUCTS ARE OVERCOOKED OR UNDERCOOKED
PROBLEM OVEN BLOWER AND CONVEYOR OPERATE YET THE OVEN IS NOT HEATING
60739 Rev. J
SECTION 6 - WIRING DIAGRAM
Middleby-Marshall Model Number E208-240 Volt 50/60 Hz, 3 Phase
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60741 Rev. L
Middleby-Marshall Model Number E380-480 Volt 50/60 Hz, 3 Phase
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installing or servicing this equipment