III. Component Function

SECTION 1

DESCRIPTION

A. Conveyor Motor and Conveyor Belt

The conveyor belt is driven by a variable-speed electric motor (Figure 1-7) operating through a gear reducer. The motor speed is controlled by a digital control. The stain- less-steel wire belt can travel in either direction at variable rates ranging from 3 minutes to 30 minutes; this is the time that a product can take to pass through the oven.

B. Blower Fan

The blower fan is located at the rear of the oven. This blower forces heated air through the air fingers. The BLOWER switch must be set to “ON” or “I” for oven warmup and baking.

C. Electric Heaters

There is one heater element mounted on the inside of the rear panel. The element is connected to an electrical control which is energized by the temperature controller.

If the pilot flame does not light or a loss of flame occurs, the main gas valve closes.

The main burner gas is extinguished when the HEAT switch is set to “OFF” or “O”.

D. Window

A window on the front of the oven permits viewing the items being baked and provides access to the oven for items that do not require full baking time, such as sandwiches, cookies, small items, or cheese-melting processes.

E. Cooling Fan — See Figure 1-8

The cooling fans are located in the back of the oven. These cooling fans draw air through its grille, blowing it through the blower motor compartment and the control compartment into the oven top and exhausted out the front louvers.

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

F1. Air Fingers

An Air Finger Assembly is made up of three parts:

1.Outer Plate - The Outer Plate is the removable covering with tapered holes, which direct the air stream onto the product being baked.

2.Inner Plate -The perforated Inner Plate is vital in forming the unique air jets. It must be assembled into the manifold with its holes aligned with the holes of the outer plate.

3.Manifold - The Manifold is the assembly which slides on tracks into the oven plenum.

Left Control Box

Right Control Box

Figure 1-7. Machinery Compartment

Components

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.