for domestic and standard export ovens
OWNERS OPERATING AND INSTALLATION MANUAL
PS640 Series Gas Ovens
Model
RETAIN THIS MANUAL FOR FUTURE REFERENCE
NO QUIBBLE LIMITED WARRANTY
MIDDLEBY MARSHALL INC. OVEN LIMITED WARRANTY Non U.S.A
MIDDLEBY MARSHALL
U.S.A. ONLY
SECTION 5 - ELECTRICAL WIRING DIAGRAM
TABLE OF CONTENTS
SECTION 3 - OPERATION
II. OVEN COMPONENTS - see Figure
SECTION 1 - DESCRIPTION
I. OVEN USES
Figure 1-1. Oven Components
Wiring Diagrams are contained in Section 5 of this Manual
I. OVEN SPECIFICATIONS
GAS ORIFICE AND PRESSURE SPECIFICATIONS PER OVEN CAVITY - CE OVENS
and are also located inside the oven at the
Test for correct air supply, particularly to the burner blower
SECTION 2 - INSTALLATION
Perform a gas leak test
Test for proper combustion and gas supply
Figure 2-1A. PS640-Series Gas Oven Installation Parts
PS640 24″ OVEN INSTALLATION REQUIRED KITS AND EQUIPMENT
PARTS LIST FOR SERIES PS640 GAS OVEN INSTALLATION KIT P/N
Two required for double oven Three required for triple oven
Figure 2-1B. PS640-Series Gas Oven Installation Parts
PS640 32″ OVEN INSTALLATION REQUIRED KITS AND EQUIPMENT
PARTS LIST FOR SERIES PS640 GAS OVEN INSTALLATION KIT P/N
Two required for double oven Three required for triple oven
Figure 2-2A. Model PS640 24″ Single Oven
Option Base with Legs and Top
Figure 2-2B. Model PS640 32″ Single Oven
Option Base with Legs and Top
HARDWARE BAG
Figure 2-3A. Model PS640 24″ Double Oven
Option Base with Legs and Top
5, 6, 7, 10
Figure 2-3B. Model PS640 32″ Double Oven
Option Base with Legs and Top
Option Base with Outriggers and Top
Figure 2-4A. Model PS640 24″ Triple Oven
HARDWARE BAG 7, 8, 9, 10, 11, 12, 13, 14
Figure 2-4B. Model PS640 32″ Triple Oven
Option Base with Outriggers and Top
LEAD TO INCREASED SERVICE EXPENSES FOR THE OWNER
equipment directly to the oven
RESTRICT SERVICE ACCESS
MOUNTING SUCH EQUIPMENT ON THE OVEN MAY VOID AGENCY CERTIFICATIONS
Figure 2-6. Leg extension and casters installation
IV. ASSEMBLY
Figure 2-7. Base pad Installation
Figure 2-8. Top panel installation
C. Restraint Cable Installation
Figure 2-10. Top panel installation
Figure 2-9. Stacking Figure 2-11. Installing the Restraint Cable
B. Stacking
D. Conveyor Installation
Figure 2-12. Conveyor installation
Figure 2-13. Conveyor placement
Figure 2-14. Conveyor Belt tension
CAUTION Disconnect Power Before Switching Photo eye
RESETTING DIRECTION JUMPER
SWITCHING PHOTO DETECTOR
CONVEYOR BELT REVERSAL
Connection
CAUTION The terms of the oven’s warranty require all
CAUTION DURING PRESSURE TESTING NOTE ONE OF THE FOLLOWING
VII. GAS SUPPLY
E. Adjusting the Maximum Pressure Setting
Figure 2-18. Flexible Gas Hose Installation
Figure 2-19. Gas Burner Assembly
B. Connection
Figure 2-20. Burner Assembly
Gas Valve Main PressureMain TapOrifices Gas Burner Assembly
Figure 2-21. Gas Valve
SECTION 3 - OPERATION
I. LOCATION AND DESCRIPTION OF CONTROLS
B. Oven Temperature/Set Point/Indicator Screen
A. Daily Startup Procedure
B. Daily Shutdown Procedure
II. NORMAL OPERATION - STEP-BY-STEP
PROBLEM
III. QUICK REFERENCE TROUBLESHOOTING
SYMPTOM
SOLUTION
Figure 4-1. Cooling Vents and Grills
SECTION 4 - MAINTENANCE
I. MAINTENANCE - DAILY
CAUTION If a cooling fan is not operating correctly, it must
Bottom Row
II. MAINTENANCE - MONTHLY
Top Row
Figure 4-2. Removing Air Fingers and Plates
Figure 4-5. Drive shaft configurations
III. MAINTENANCE - EVERY 3 MONTHS
Figure 4-4. Disassembling the idler shaft
Figure 4-7. Rear panel access
IV. MAINTENANCE - EVERY 6 MONTHS
Figure 4-6. Disassembling the drive shaft
KEY SPARE PARTS PS640 GAS
Figure 4-8. Key Spare Parts
SECTION 5 - WIRING DIAGRAM
Middleby-Marshall Model Number G208-240 Volt 50/60 Hz, 1 Phase
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relieves the manufacturer of all warranty and liability
