Table of Contents

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. Electric Heaters	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 ELECTRIC OVEN
INSTALLATION KIT	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
CIRCUIT BREAKER	17
ELECTRICAL SPECIFICATIONS	17
ELECTRICAL RATING	17
SUPPLY WIRE	17
SUGGESTED	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 ELECTRIC-HEATED
OVENS	19
VI. CONVEYOR REAR STOP AND
END STOP INSTALLATION	20
SECTION 3 INSTALLATION
I. CONTROL FUNCTIONS	21
II. COMPONENT INFORMATION AND LOCATION	22
A. Door Safety Switch	22
B. Blower Switch	22
C. Heat Switch	22
D. Temperature Controller	22
E. Conveyor	23
MEASURING CONVEYOR SPEED	23
III. STEP-BY-STEP OPERATION	24
A. Startup Procedures	24

TABLE OF CONTENTS
(Continued)
	Page
Daily Startup	24
Power Failure	24
B. Shutdown Procedure	24
A.Daily Startup Procedure	26
IV. NORMAL OPERATION - STEP-BY-STEP	26
V. QUICK REFERENCE: TROUBLESHOOTING	28
SECTION 4 MAINTENANCE
I. MAINTENANCE - DAILY	30
A. Exterior	30
B. Cooling Fan	30
C. Conveyor Belt	30
D. Crumb Pans	30
E. Window	30
II. MAINTENANCE - MONTHLY	31
A. Removing Conveyor From Oven For Cleaning ....	31
B. Air Fingers Disassembly For Cleaning	33
C. Cleaning the Window	34
D. Reassembly of Air Fingers	34
E. Reinstall End Plugs	37
F. Conveyor Reassembly Into Oven	38
G. Checking Conveyor Belt Tension	38
H. Conveyor Belt Link Removal	39
I. Replacing Conveyor Belt	40
J. Attaching Drive Chain	40
III. MAINTENANCE - EVERY 3 MONTHS	41
A. Cleaning the Blower/Fan Motor	41
B. Electrical Terminals	42
C. Ventilation	42
D. Checking the Blower/Fan Belt	42
E. Blower Fan Shaft Bearing Lubrication	43
F. Split-belt Conveyor Shaft Cleaning	43
IV. MAINTENANCE - EVERY 6 MONTHS	44
PS540-SERIES ELECTRIC OVEN KEY SPARE
PARTS	46
KEY SPARE PARTS KIT	46
SECTION 5 TROUBLESHOOTING
Troubleshooting Charts	47
SECTION 6 - PARTS LIST
OVEN PANELS, WINDOW AND LEGS	51
CONTROL PANEL	53
BLOWER AND SHROUD	55
CONVEYOR	57
SPLIT BELT CONVEYOR	59
MACHINERY COMPARTMENT	61
SECTION 7 ELECTRICAL SCHEMATICS
Wiring Diagram, E208-240 50/60, 3PH 4W PS540	63
Wiring Diagram, E380-480 50/60, 3PH 5W PS540	64
Wiring Diagram, E380V 50/60, 3PH 5W PS540	65

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.