Adjusting the Minimum Pressure Setting | Middleby Marshall PS640

Figure 2-20. Burner Assembly

Gas

Valve

Main•

Pressure•Main•

TapOrifices

Gas Burner

Assembly

Figure 2-21. Gas Valve

Adjustment Screw (5 mm)	Adjustment Screw
for minimum pressure	(8 mm) for
setting	maximum
	pressure
	setting

F.Adjusting the Minimum Pressure Setting

1.Disconnect pressure feedback connection (if appcable).

2.Connect a suitable pressure gauge to pipe line or to outlet pressure tap of gas control concerned, to measure burner pressure (measuring point must be as near to burner as possible).

3.Disconnect electrical connection of the Moduplus®.

4.Energize operator, set control in operation and wait until an outlet pressure is recorded on pressure gauge.

5.If minimum rate pressure needs adjustment, use an 8 mm wrench to turn adjustment screw for minimum pressure setting (clockwise to increase or counter-clockwise to decrease pressure), until the desired minimum outlet pressure is obtained.

6.Check if main burner lights easily and reliable at minimum pressure.

7.Reconnect pressure feedback connection (if appcable).

8.Close pressure tap screw.

G. Checkout

After any adjustment, set appliance in operation and observe through a component cycle to ensure that burner system components function correctly.

NOTE: The installer MUST verify oven operation prior to putting oven into service.

H.Maintenance

It is recommended to check yearly the minimum and the maximum setting and readjust them if necessary.

PS640 specifications

The Middleby Marshall PS640 is an industry-leading conveyor oven designed to meet the demands of commercial kitchens, particularly in pizza and other high-volume food applications. This oven combines advanced technologies with robust design, ensuring that users achieve consistent, high-quality results while optimizing operational efficiency.

One of the standout features of the PS640 is its unique design, which includes a patented jet impingement technology. This technology significantly enhances the cooking efficiency by using high-velocity hot air to cook food evenly and quickly. This not only reduces cooking times but also helps retain moisture and flavor, resulting in a superior product that delights customers.

Another key characteristic of the PS640 is its dual-mode operation. The oven can be configured for either high-speed cooking or traditional baking modes, making it versatile enough to handle a wide variety of menu items. This flexibility allows operators to maximize their kitchen space and adapt to changing customer demands effortlessly.

The PS640 also boasts a fully insulated cooking chamber, which ensures consistent cooking temperatures and minimizes energy loss. This thermal efficiency not only contributes to food quality but also helps reduce operational costs, making it an economically viable option for restaurants and foodservice operations.

Further enhancing its user-friendliness, the PS640 features an intuitive digital control panel. This allows staff to easily set cooking times and temperatures, monitor performance, and make adjustments as necessary. Additionally, the oven includes programmable cooking settings, making it easy to replicate popular dishes quickly and ensuring consistency across multiple shifts.

Durability is another hallmark of the PS640. Constructed with high-quality materials, this oven is built to withstand the rigors of a busy kitchen environment. Its stainless-steel exterior not only gives it a sleek look but also makes it easy to clean and maintain.

In summary, the Middleby Marshall PS640 is a state-of-the-art conveyor oven that excels in speed, efficiency, and versatility. Its advanced technologies, user-friendly features, and robust construction make it an ideal choice for foodservice operators looking to elevate their cooking capabilities and enhance their menu offerings. Whether for quick-service restaurants, pizzerias, or catering operations, the PS640 delivers outstanding results with every use, ensuring satisfied customers and a thriving business.