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/15LEGS & TOP P/N 34832

11

PARTS LIST FOR PS540 SERIES DOUBLE OVEN

 

OPTION - BASE W/6LEGS,

 

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.

iv

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Middleby Marshall PS540 (Double), PS540E, PS540 (Triple) installation manual Table of Contents

PS540 (Triple), PS540 (Double), PS540E specifications

The Middleby Marshall PS540E, PS540 (Double), and PS540 (Triple) are advanced commercial conveyor ovens designed to deliver exceptional cooking performance for various food items. These ovens are engineered to provide consistent results while maximizing productivity, making them ideal for busy restaurants, fast-food establishments, and catering services.

One of the standout features of the PS540E is its energy-efficient design. Utilizing advanced jet-air technology, this oven circulates hot air evenly, ensuring that food is cooked thoroughly and consistently. The PS540E's energy-saving capabilities not only reduce operational costs but also minimize heat loss, which is crucial in maintaining a comfortable kitchen environment.

The PS540 series includes both double and triple options, allowing operators to choose the configuration that best fits their space and throughput needs. The double version is perfect for establishments that require high-volume cooking without sacrificing quality, while the triple model offers even greater capacity, making it highly suitable for large-scale operations. This versatility ensures that businesses can optimize their cooking process to meet demand without compromising on food quality.

Another significant aspect of the PS540 ovens is their user-friendly controls. Featuring a digital interface, operators can easily adjust cooking times and temperatures based on the specific requirements of each menu item. This level of control allows for precise cooking, ensuring that everything from pizzas to baked goods comes out perfectly every time.

The ovens are also built with durability in mind. Constructed from high-quality stainless steel, the PS540 series minimizes the risk of wear and tear over time, ensuring a long lifespan and reliable performance under continuous use. Additionally, the easy-to-clean design contributes to efficient maintenance, which is crucial in fast-paced kitchen environments.

Middleby Marshall's commitment to innovation shines through in the PS540 series, emphasizing energy efficiency, capacity, and ease of use. With their combination of advanced technology and robust construction, the PS540E, PS540 (Double), and PS540 (Triple) represent a significant investment for any foodservice operation looking to enhance its cooking capabilities while maintaining high-quality output and operational efficiency. These ovens support a wide range of menu items, making them a versatile choice for modern kitchens aiming for excellence in food preparation.