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