SECTION 3 - SERVICING COMPONENTS

Appendix - Instructions for Service Kit 47321 - Digital Temperature Controller Kit, 2/02

Figure 4a

Figure 4b

Analog temperature controller (P/Ns 28071-0012 and 28071-0018) terminals

New temperature controller terminals

Analog temperature controller

(P/N 34983) terminals

New temperature controller terminals

 

Not used on

 

Not used

some gas and

Not used

electric ovens

Not used

Not used. These terminals provide PID output (gas ovens with modulating valve) or variable

pulse output (electric ovens with variable pulse system). Neither of these systems were available with ovens equipped with these controllers.

Not used. PS200VL ovens have a sepa- rate high limit module and do not include a cooldown feature.

Not used

Not used. PS200VL ovens do not include a modulating gas system.

Terminal for

 

 

 

28071-0012 and

Terminal for

Terminal for

Description

28071-0018

34983

46837

 

1

TC+

8

+ TC

2

TC-

7

- TC

5

COM

5

Input to Temperature Control Relay

6

NO

4

Output to High Flame Solenoid or Heater Contactors

L2

L2

L2

Neutral

L1

L1

L1

Power

G

G

 

Ground

13

--

9

Input to Cooldown Relay

14

--

10

Output from Cooldown Relay

15

--

11

Input to High Limit Relay

16

--

12

Output from High Limit Relay

--

--

15

PID or Variable Pulse Output

--

--

16

PID or Variable Pulse Output

Figure 5a

Modulated Gas Output System

 

 

 

Modulating

4-20mA

Amplifier board

valve

 

 

 

input

 

 

 

 

 

 

0-24VDC

 

 

 

output

NOTE: Controller P/N 32571 used Terminals 4 & 5

24VAC

 

for the 4-20mA input to the amplifier board.

 

These connections must be moved to Terminals

input

 

15 & 16 on the new controller as shown.

Page 5 of 10

Figure 5b

Variable Pulse Output System

Relay

20VDC pulsed output

NOTE: Safety switches may be placed between the temperature controller and the relay on some oven models.

37

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Middleby Marshall PS200, PS570, PS360, PS555, PS220, PS224 PS310 manual Variable Pulse Output System
Page 37 Page 39

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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