A. Part Number Reference - Temperature Controllers

Middleby Marshall ovens have used several different mod- els of temperature controllers. The current Digital Tem- perature Controller (P/N 46837, included in Service Kit 47321) is the only model currently available. All other controllers

P/N 28071-0012 (A)

Analog Temperature Controller without high-limit and cooldown functions, 120V, on-off mode only.

P/N 28071-0018 (A)

Analog Temperature Controller with high-limit and cooldown functions, 120V, on-off mode only.

P/N 34983 (B)

Analog Temperature Controller without high-limit and cooldown functions, 120V, on-off mode only. Used on PS200VL-series ovens only. PS200VL-series ovens equipped with this Temperature Controller do not have a cooldown feature and use a separate high limit con- trol module.

P/N 28071-0027 (C)

Digital Temperature Controller with blue plastic face- plate, 120V, on-off mode only.

P/N 28071-0028 (D)

Digital Temperature Controller with gray rubber face- plate and buttons with text, 120V, on-off mode only.

P/N 28071-0028 (E)

Digital Temperature Controller with gray rubber face plate and buttons with symbols, 120V, on-off mode only.

SECTION 3 - SERVICING COMPONENTS shown are no longer available and part numbers are pro- vided for reference only. Servicing these units is beyond the scope of this manual. If one of these controllers is in need of service, we recommend simply installing a current unit (P/N 46837, included in Kit P/N 47321).

P/N 30871 (E)

Digital Temperature Controller with gray rubber face plate and buttons with symbols, 208-240V, on-off mode only. Used on early PS360WB70 and some CE oven models.

P/N 32571 (E)

Digital Temperature Controller with gray rubber face plate and buttons with symbols, 208-240V, PID mode only. Used on early PS360EWB.

P/N 36021 (F)

Digital Temperature Controller with gray face plate (steel trim on edges), 120-240V, selectable on-off or PID modes.

P/N 36056 (G) - Service Kit P/N 36939

Digital Temperature Controller with black plastic face plate, 120-240V, selectable on-off or PID modes.

P/N 46837 (G) - Service Kit P/N 47321

Digital Temperature Controller with black plastic face plate, 120-240V, selectable on-off, PID and variable pulse modes.

Note that the dedicated variable pulse mode is used on the PS536 electric oven ONLY. Using this mode re- quires moving a jumper on one of the PC boards inside the controller. The PS555 variable pulse electric oven does NOT use this mode and should have the control- ler set to the PID mode as described in the Kit instruc- tions.

C

Figure 22 - Temperature controllers

AB

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Middleby Marshall PS200 Part Number Reference Temperature Controllers, 28071-0012 a, 28071-0018 a, 34983 B, 28071-0027 C

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.