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Middleby Marshall
installation manual P/N 60250 September
Models:
P/N 60250
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Troubleshooting
Specifications
Install
Wiring Diagram
13. Conveyor placement
Warranty
Maintenance
5. Drive shaft configurations
Resetting Direction Jumper
Iv. Assembly
Page 35
Image 35
NOTES
31
P/N 60250 September 28, 2012
Page 34
Page 36
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Image 35
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Page 36
Contents
Model
OWNERS OPERATING AND INSTALLATION MANUAL
PS740 Series Gas 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 5 - ELECTRICAL WIRING DIAGRAM
P/N 60250 September
Figure 1-1. Oven Components
SECTION 1 - DESCRIPTION
I. OVEN USES
II. OVEN COMPONENTS - see Figure
and are also located inside the oven at the
I. OVEN SPECIFICATIONS
GAS ORIFICE AND PRESSURE SPECIFICATIONS PER OVEN CAVITY - CE OVENS
Wiring Diagrams are contained in Section 5 of this Manual
Test for proper combustion and gas supply
SECTION 2 - INSTALLATION
Perform a gas leak test
Test for correct air supply, particularly to the burner blower
Installation
PS740 24″ OVEN INSTALLATION REQUIRED KITS AND EQUIPMENT
PARTS LIST FOR SERIES PS740 GAS OVEN INSTALLATION KIT P/N
Figure 2-1A. PS740-Series Gas Oven Installation Parts
Installation
PS740 OVEN INSTALLATION REQUIRED KITS AND EQUIPMENT
PARTS LIST FOR SERIES PS740 GAS OVEN INSTALLATION KIT P/N
Figure 2-1B. PS740-Series Gas Oven Installation Parts
ITEM NO
Figure 2-2A. Model PS740 24″ Single Oven
Option Base with Legs and Top
P/N 60250 September
ITEM NO
Figure 2-2B. Model PS740 32″ Single Oven
Option Base with Legs and Top
P/N 60250 September 28
ITEM NO
Figure 2-3A. Model PS740 24″ Double Oven
Option Base with Legs and Top
P/N 60250 September
DESCRIPTION
Figure 2-3B. Model PS740 32 Double Oven Option Base with Legs and Top
P/N 60250 September
ITEM NO
ITEM NO
Figure 2-4A. Model PS740 24″ Triple Oven
Option Base with Outriggers and Top
P/N 60250 September
ITEM NO
Figure 2-4B. Model PS740 32″ Triple Oven
Option Base with Outriggers and Top
P/N 60250 September
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
CAUTION Disconnect Power Before Switching Photo eye
RESETTING DIRECTION JUMPER
SWITCHING PHOTO DETECTOR
E. Final Assembly
VII. GAS SUPPLY
CAUTION The terms of the oven’s warranty require all
CAUTION DURING PRESSURE TESTING NOTE ONE OF THE FOLLOWING
Connection
E. Adjusting the Maximum Pressure Setting
Figure 2-18. Flexible Gas Hose Installation
Figure 2-19. Gas Burner Assembly
CAUTION The terms of the oven’s warranty require all
Figure 2-21. Gas Valve
Figure 2-20. Burner Assembly
Adjusting the Minimum Pressure Setting
Maintenance
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
P/N 60250 September
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
P/N 60250 September
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
P/N 60250 September
V. KEY SPARE PARTS - Available separately. See Figure
P/N 60250 September
SECTION 5 - WIRING DIAGRAM
Middleby-Marshall Model Number G208-240 Volt 50/60 Hz, 1 Phase
P/N 60250 September
P/N 60250 September 28
P/N 60250 September
installing or servicing this equipment