TABLE OF CONTENTS

 

 

Page

SECTION 1

 

I. MODEL IDENTIFICATION

1

SERIES PS520 GAS SPECIFICATIONS

2

II. COMPONENT FUNCTION

4

A. Conveyor Motor and Conveyor Belt

4

B. Blower Fan

4

C. Gas Burner

4

D. Cooling Fan

4

E. Air Fingers and Blank Plates - See Figure 1-9

4

SECTION 2

 

I. UNLOADING

8

PARTS LIST FOR SERIES PS520 GAS OVEN

 

INSTALLATION KIT

8

UTILITY ROUGH-IN DIMENSIONS AND POSITIONING

FOR PS520-SERIES OVENS

13

CIRCUIT BREAKER

13

ELECTRICAL SPECIFICATIONS

13

ELECTRICAL RATING

13

SUPPLY WIRE

13

SUGGESTED

13

II. VENTILATION GUIDELINES

13

III. ELECTRICAL CONNECTION INFORMATION FOR

 

PS520-SERIES OVENS

14

IV. ELECTRIC SUPPLY FOR GAS HEATED OVENS

14

V. GAS SUPPLY

15

SECTION 3 INSTALLATION

 

I. CONTROL FUNCTIONS

17

II. COMPONENT INFORMATION AND LOCATION

18

A. Door Safety Switch

18

B. Blower Switch

18

C. Heat Switch

18

D. Temperature Controller

18

E. Conveyor

19

MEASURING CONVEYOR SPEED

19

TABLE OF CONTENTS

 

(Continued)

 

Page

III. STEP-BY-STEP OPERATION

20

A. Startup Procedures

20

Daily Startup

20

Power Failure

20

B. Shutdown Procedure

20

IV. NORMAL OPERATION - STEP-BY-STEP

22

A.Daily Startup Procedure

22

B. Daily Shutdown Procedure

22

V. QUICK REFERENCE: TROUBLESHOOTING

24

SECTION 4 MAINTENANCE

 

I. MAINTENANCE - DAILY

26

A. Exterior

26

B. Cooling Fan

26

C. Conveyor Belt

26

D. Crumb Pans

26

II. MAINTENANCE - MONTHLY

27

A. Removing Conveyor From Oven For Cleaning

27

B. Air Fingers Disassembly For Cleaning

29

C. Reassembly of Air Fingers

30

D. Reinstall End Plugs

33

E. Conveyor Reassembly Into Oven

34

F. Checking Conveyor Belt Tension

34

G. Conveyor Belt Link Removal

35

H. Attaching Drive Chain

36

III. MAINTENANCE - EVERY 3 MONTHS

37

A. Electrical Terminals

37

B. Ventilation

37

IV. MAINTENANCE - EVERY 6 MONTHS

37

PS520-SERIES GAS OVEN KEY SPARE

 

PARTS

38

KEY SPARE PARTS KIT

38

SECTION 5 TROUBLESHOOTING

 

Troubleshooting Charts

39

SECTION 6 ELECTRICAL SCHEMATICS

 

Wiring Diagram, G208-240V 50/60 GO, PS520

41

NOTE

Wiring Diagrams are in Section 6 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 PS520G installation manual Table of Contents

PS520G specifications

The Middleby Marshall PS520G represents a significant leap forward in the world of commercial cooking equipment, specifically designed to meet the demands of high-volume foodservice operations. This innovative conveyor oven is engineered for efficiency, speed, and high-quality results, making it a favorite among pizza parlors, restaurants, and fast-food businesses.

One of the standout features of the PS520G is its gas-powered operation. The use of natural gas or propane not only enhances cooking speed but also contributes to lower operational costs when compared to electric models. This advantage allows establishments to serve more customers in less time, thereby maximizing revenue.

The PS520G is equipped with advanced technology that ensures consistent cooking results. Its patented Air Impingement technology circulates heated air within the cooking chamber, ensuring that every item receives even heat distribution. This technology is particularly beneficial for achieving perfectly cooked pizzas, breads, and other baked goods. The ability to cook food quickly while maintaining moisture and flavor is a hallmark of this model.

Another significant characteristic of the PS520G is its versatile cooking capabilities. The unit features adjustable conveyor speed, allowing operators to customize cooking times according to the type of food being prepared. This flexibility is essential in a bustling kitchen environment where different menu items require distinct cooking times.

The construction of the PS520G is robust and designed for durability, with stainless steel exteriors that are not only attractive but also easy to clean. Additionally, the oven's efficient design includes a high-capacity cooking chamber that can accommodate larger items, making it suitable for various food types.

A critical aspect of any commercial kitchen equipment is ease of use, and the PS520G shines in this area as well. The user-friendly digital controls allow for precise temperature settings and monitoring, enabling kitchen staff to maintain high standards in cooking. Moreover, the self-cleaning feature simplifies maintenance, ensuring the oven operates at peak performance with minimal downtime.

In summary, the Middleby Marshall PS520G conveyor oven embodies a perfect blend of technology, efficiency, and versatility. Its gas-powered operation, advanced cooking technologies, and durable construction make it an indispensable asset for any high-volume foodservice operation, driving both productivity and quality in food preparation. With the PS520G, businesses can ensure they are well-equipped to meet the culinary demands of their customers, providing fast and delicious meals consistently.