SECTION 3 - SERVICING COMPONENTS

 

D. Mercury Contactor Replacement

Figure 84

Early PS200-series electric ovens and all PS310/360-se-

 

ries electric ovens use mercury contactors to activate the

 

heating elements. Each pole in the contactor is a separate

 

mercury-filled tube that is individually replaceable. This

 

feature ensures that the entire contactor should never have

 

to be replaced.

 

Individual part numbers for the mercury contactor compo-

 

nents are listed in the Part Number Reference sections on

 

Pages 140 and 142, respectively.

 

1. PS200-series mercury contactor replacement

 

• Remove the complete contactor from the oven.

 

Then, remove the terminal clamps from the

 

contactor tube(s) to be replaced.

 

Figure 85

•Locate the Tinnerman clips on the bottom side of the contactor that hold each individual contact tube in place.

•Find the break in the tube bracket located in the center. Then, using a diagonal cutter, cut the Tinnerman clip so that it may be removed.

Figure 86

•Remove the contact tube. If the coil must be re- placed, all three contactor tubes must first be re- moved.

•To replace the contactor tube(s), slide the thin end of the tube into the contactor bracket.

146

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Image 147
Middleby Marshall PS555, PS570, PS360, PS200, PS220, PS224 PS310 manual 146, Mercury Contactor Replacement
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PS224 PS310, PS220, PS555, PS200, PS360 specifications

The Middleby Marshall PS555 is a standout commercial pizza oven renowned for its performance, efficiency, and advanced technologies. Designed with the modern pizzeria in mind, the PS555 delivers exceptional cooking results while maximizing energy efficiency and throughput.

One of the key features of the PS555 is its innovative cooking technology, which incorporates both convection and radiant heat. This unique combination ensures that pizzas are cooked evenly and quickly, achieving a perfectly crispy crust and evenly melted cheese every time. The oven’s high-speed air impingement system accelerates cooking times, allowing pizzerias to serve more customers in less time without compromising quality.

The PS555 is designed with a spacious cooking chamber that can accommodate multiple pizzas simultaneously. With its ability to fit pizzas up to 18 inches in diameter, the oven is ideal for establishments with high demand. Additionally, the adjustable conveyor speed allows operators to customize the cooking time based on their specific menu items, enhancing versatility and productivity.

Energy efficiency is a hallmark of the Middleby Marshall PS555. The oven utilizes advanced insulation materials to minimize heat loss, ensuring that it operates at optimal temperatures while consuming less energy. This efficiency not only reduces operating costs but also contributes to a more sustainable kitchen environment.

User-friendly controls make it simple for operators to manage the cooking process. The PS555 features digital controls with programmable settings, enabling quick adjustments to temperature and cooking time. This ensures consistent quality across different shifts and helps maintain product standards while simplifying staff training.

Durability is another defining characteristic of the PS555. Built with high-quality materials, the oven is designed for heavy use in busy commercial kitchens. Its stainless steel construction ensures resistance to wear and tear, making it a worthwhile investment for any pizzeria.

In summary, the Middleby Marshall PS555 pizza oven is a high-performance piece of equipment that combines advanced cooking technologies, efficiency, and durability. Its ability to deliver consistently excellent results while streamlining operations makes it an essential asset for any pizza business aiming to enhance its productivity and customer satisfaction.
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