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Middleby Marshall Table Of Contents, P/N 60250 September, Operation, Electrical Wiring Diagram

Models: P/N 60250

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TABLE OF CONTENTS

TABLE OF CONTENTS

			Page
SECTION 1 – DESCRIPTION			1
I.	OVEN USES		1
II. OVEN COMPONENTS			1
	A. Conveyor Motor Drive		1
	B. Crumb Pans		1
	C. Conveyor		1
	D. End Plugs		1
	E. Eyebrows		1
	F. Window		1
	G. Machinery Compartment Access Panel		1
	H. Serial Plate		1
	I.	Control Panel	1
	J. Photo Cell		1
	K. Gas Burner		1
	L. Blowers		1
1	M.	........................................................ Air Fingers

III. OVEN SPECIFICATIONS			2
	A. Dimensions		2
	B. General Specifications		2
	C. Electrical Specifications for
		PS740 Gas Ovens	2
	D. Gas Orifice and Pressure Specifications
		for PS740 Gas Ovens	2
SECTION 2 – INSTALLATION			3
I.	BASE PAD KIT		4
II.	INSTALLATION KIT		6
III. VENTILATION SYSTEM			12
	A. Requirements		12
	B. Recommendations		12
	C. Other Ventilation Concerns		12
IV. ASSEMBLY			13
	A. Base Pad, Legs, Casters		13
	B. Stacking		14
	C. Restraint Cable Installation		14
	D. Conveyor Installation		15
	E. Standoff Installation		15
V. FINAL ASSEMBLY			16
VI. ELECTRICAL SUPPLY			16
	Connection		17
VII.	GAS SUPPLY		17
	A. Gas Utility Rough-In Recommendations		17
	B. Connection		18
	C. Gas Conversion		18
	D. Propane Conversion		18
	E. Adjusting the Maximum Pressure Setting....		18
	F. Adjusting the Minimum Pressure Setting		19
	G. Checkout		19
	H. Maintenance		19

	Page
SECTION 3 – OPERATION	.............................................. 20

I.LOCATION AND DESCRIPTION OF CONTROLS. 20

II. NORMAL OPERATION, STEP-BY-STEP	21
A. Main Screen	21
B. Daily Startup Procedure	21
C. Daily Shutdown Procedure	21
III. QUICK REFERENCE: TROUBLESHOOTING	22
IV. SCREEN ALERTS	22
SECTION 4 – MAINTENANCE	23
I. MAINTENANCE – DAILY	23
II. MAINTENANCE – MONTHLY	24
III. MAINTENANCE – EVERY 3 MONTHS	25
IV. MAINTENANCE – EVERY 6 MONTHS	26
V. KEY SPARE PARTS KIT	27
SECTION 5 – ELECTRICAL WIRING DIAGRAM	28

I.WIRING DIAGRAM, 740 GAS OVEN, 208/240V,

50/60 Hz, 1 Ph

28

NOTE

Wiring Diagrams are in Section 5 of this Manual. The diagram for each oven is also on the lower inner surface of its Control Console.

P/N 60250 September 28, 2012

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Middleby Marshall installation manual Table Of Contents, P/N 60250 September, Operation, Electrical Wiring Diagram

Contents

OWNERS OPERATING AND INSTALLATION MANUAL PS740 Series Gas 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 - ELECTRICAL WIRING DIAGRAMP/N 60250 September SECTION 3 - OPERATIONSECTION 1 - DESCRIPTION I. OVEN USESII. OVEN COMPONENTS - see Figure Figure 1-1. Oven ComponentsI. OVEN SPECIFICATIONS GAS ORIFICE AND PRESSURE SPECIFICATIONS PER OVEN CAVITY - CE OVENSWiring Diagrams are contained in Section 5 of this Manual and are also located inside the oven at theSECTION 2 - INSTALLATION Perform a gas leak testTest for correct air supply, particularly to the burner blower Test for proper combustion and gas supplyPS740 24″ OVEN INSTALLATION REQUIRED KITS AND EQUIPMENT PARTS LIST FOR SERIES PS740 GAS OVEN INSTALLATION KIT P/NFigure 2-1A. PS740-Series Gas Oven Installation Parts InstallationPS740 OVEN INSTALLATION REQUIRED KITS AND EQUIPMENT PARTS LIST FOR SERIES PS740 GAS OVEN INSTALLATION KIT P/NFigure 2-1B. PS740-Series Gas Oven Installation Parts InstallationFigure 2-2A. Model PS740 24″ Single Oven Option Base with Legs and TopP/N 60250 September ITEM NOFigure 2-2B. Model PS740 32″ Single Oven Option Base with Legs and TopP/N 60250 September 28 ITEM NOFigure 2-3A. Model PS740 24″ Double Oven Option Base with Legs and TopP/N 60250 September ITEM NOFigure 2-3B. Model PS740 32 Double Oven Option Base with Legs and Top P/N 60250 SeptemberITEM NO DESCRIPTIONFigure 2-4A. Model PS740 24″ Triple Oven Option Base with Outriggers and TopP/N 60250 September ITEM NOFigure 2-4B. Model PS740 32″ Triple Oven Option Base with Outriggers and TopP/N 60250 September ITEM NOequipment directly to the oven RESTRICT SERVICE ACCESS LEAD TO INCREASED SERVICEMOUNTING SUCH EQUIPMENT ON THE OVEN MAY VOID AGENCY CERTIFICATIONS EXPENSES FOR THE OWNERIV. 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 CAUTION Disconnect Power Before Switching Photo eyeCAUTION The terms of the oven’s warranty require all CAUTION DURING PRESSURE TESTING NOTE ONE OF THE FOLLOWINGConnection VII. GAS SUPPLYFigure 2-18. Flexible Gas Hose Installation Figure 2-19. Gas Burner AssemblyCAUTION The terms of the oven’s warranty require all E. Adjusting the Maximum Pressure SettingFigure 2-20. Burner Assembly Adjusting the Minimum Pressure SettingMaintenance Figure 2-21. Gas ValveB. 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-STEPIII. QUICK REFERENCE TROUBLESHOOTING SYMPTOMPROBLEM SOLUTIONSECTION 4 - MAINTENANCE I. MAINTENANCE - DAILYFigure 4-1. Cooling Vents and Grills P/N 60250 SeptemberII. 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 P/N 60250 SeptemberFigure 4-8. Key Spare Parts P/N 60250 SeptemberV. KEY SPARE PARTS - Available separately. See Figure ITEM QTYMiddleby-Marshall Model Number G208-240 Volt 50/60 Hz, 1 Phase SECTION 5 - WIRING DIAGRAMP/N 60250 September P/N 60250 September P/N 60250 September 28 P/N 60250 September installing or servicing this equipment