Middleby Marshall PS540G installation manual Table Of Contents, Continued

TABLE OF CONTENTS
	Page
SECTION 1
I. MODEL IDENTIFICATION	1
SERIES PS540 ELECTRICAL SPECIFICATIONS	2
II. PRINCIPLE OF AIR FLOW	3
A. Heat Transfer and How It Works	3
II. PRINCIPLE OF AIR FLOW (Continued)	4
B. Air Fingers	4
III. COMPONENT FUNCTION	5
A. Conveyor Motor and Conveyor Belt	6
B. Blower Fan	6
C. Gas Burner	6
D. Window	6
E. Cooling Fan	7
F. Air Fingers and Blank Plates - See Figure 1-9	8
SECTION 2
I. UNLOADING	9
PS540 OVEN INSTALLATION
REQUIRED KITS AND EQUIPMENT	10
PARTS LIST FOR SERIES PS540 GAS OVEN
INSTALLATION KIT P/N 50633	10
PARTS LIST FOR PS540 SERIES SINGLE OVEN
OPTION - BASE W/15″ LEGS & TOP P/N 34832	11
PARTS LIST FOR PS540 SERIES DOUBLE OVEN
OPTION - BASE W/6″ LEGS,
CASTERS & TOP P/N 34833	12
PARTS LIST FOR PS540 SERIES TRIPLE OVEN
OPTION - BASE w/OUTRIGGERS & TOP
P/N 34831	13
RESTRAINT CABLE INSTALLATION	16
UTILITY ROUGH-IN DIMENSIONS AND POSITIONING
FOR PS540-SERIES OVENS	17
ELECTRICAL SAFETY SWITCH	17
ELECTRICAL SPECIFICATIONS	17
GAS RATING	17
MINIMUM GAS METER RATING	17
MINIMUM GAS PIPE SIZE	17
GAS SAFETY VALVE	17
REQUIRED GAS SUPPLY PRESSURE	17
SUGGESTED	17
User supplied Items	17
II. VENTILATION GUIDELINES	18
VENTILATION HOOD	18
VENTILATION CAPTURE TEST	18
III. ELECTRICAL CONNECTION INFORMATION FOR
PS540-SERIES OVENS	19
IV. ELECTRIC SUPPLY FOR GAS-HEATED OVENS	19
V. GAS SUPPLY FOR GAS HEATED OVENS	20
VI. CONVEYOR REAR STOP AND
END STOP INSTALLATION	22
SECTION 3 INSTALLATION
I. CONTROL FUNCTIONS	23
II. COMPONENT INFORMATION AND LOCATION	24
A. Door Safety Switch	24
B. Blower Switch	24
C. Heat Switch	24
D. Temperature Controller	24
E. Conveyor	25
MEASURING CONVEYOR SPEED	25
III. STEP-BY-STEP OPERATION	26
A. Startup Procedures	26

TABLE OF CONTENTS
(Continued)
	Page
Daily Startup	26
Power Failure	26
B. Shutdown Procedure	26
A.Daily Startup Procedure	26
IV. NORMAL OPERATION - STEP-BY-STEP	26
V. QUICK REFERENCE: TROUBLESHOOTING	30
SECTION 4 MAINTENANCE
I. MAINTENANCE - DAILY	32
A. Exterior	32
B. Cooling Fan	32
C. Conveyor Belt	32
D. Crumb Pans	32
E. Window	32
II. MAINTENANCE - MONTHLY	33
A. Removing Conveyor From Oven For Cleaning ....	33
B. Air Fingers Disassembly For Cleaning	35
C. Cleaning the Window	36
D. Reassembly of Air Fingers	36
E. Reinstall End Plugs	39
F. Conveyor Reassembly Into Oven	40
G. Checking Conveyor Belt Tension	40
H. Conveyor Belt Link Removal	41
I. Replacing Conveyor Belt	42
J. Attaching Drive Chain	42
III. MAINTENANCE - EVERY 3 MONTHS	43
A. Cleaning the Blower/Fan Motor	43
B. Electrical Terminals	44
C. Ventilation	44
D. Checking the Blower/Fan Belt	44
E. Blower Fan Shaft Bearing Lubrication	45
F. Split-belt Conveyor Shaft Cleaning	45
IV. MAINTENANCE - EVERY 6 MONTHS	47
PS540-SERIES GAS OVEN
KEY SPARE PARTS KIT	48
SECTION 5 TROUBLESHOOTING
Troubleshooting Charts	49
SECTION 6 - PARTS LIST
OVEN PANELS, WINDOW AND LEGS	53
CONTROL PANEL	55
BLOWER AND SHROUD	57
CONVEYOR	59
SPLIT BELT CONVEYOR	61
GAS BURNER AND PIPING ASSEMBLY	63
MACHINERY COMPARTMENT	65
SECTION 7 ELECTRICAL SCHEMATICS
Wiring Diagram, G208-240 50/60, 1PH 3W PS540	67

NOTE

Wiring Diagrams are in Section 7 of this Manual. The diagram for each oven is also on the lower inner surface of its Control Console.

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