Middleby Marshall PS528G installation manual Gas Burner Assembly

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SECTION 2

INSTALLATION

Figure 2-16. Gas Burner Assembly

Gas Burner

Manifold Pressure Tap

Figure 2-17. Burner Assembly

G.Maintenance

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

H.Connection

WARNING

Some procedures in this section may require conversions, readjustments, or service on the oven's gas system. Before performing these procedures, check that the main= gas supply valve and the circuit breaker/fused disconnect are in the OFF ("O") position. After completing these procedures, perform a

gas leak test before operating the oven.

CAUTION

The terms of the oven's warranty require all start-ups, con- versions and service work to be performed by a Middleby Marshall Authorized Service Agent. The installation, start-up and changes required when changing from one gas type to another can be performed ONLY by a certified professional.

Main Orifices

Gas Burner

Assembly

Manifold Pressure Tap

Gas Valve

NOTE: Certain safety code requirements exist for the installation of gas ovens; refer to the beginning of Section 2 for a list of the installation standards. In addition:

• In the USA, the installation must conform with local codes,

or in the absence of local codes, with the National Fuel

Gas Code, ANSI Z223.1.

• In Canada, the installation must conform with local codes,

or in the absence of local codes, with the Natural Gas

Installation Code, CAN/CGA-B 149.1, or the Propane

Installation Code, CAN/CGA-B 149.2, as applicable.

• InAustralia, the installation must conform withAGACodes

AG311 and AG601, and with any requirements of the

appropriate statutory authority.

• In CE countries, the gas supply connection should be

according to EN-203 (gas appliance directive) and to

applicable ISO 228-1 or ISO 7-1 recommendations. All

Figure 2-18. Gas Valve

Adjustment Screw (5 mm)

Adjustment

for minimum pressure

Screw (8 mm) for

setting

maximum

 

pressure

 

setting

F.Checkout

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

 

aspects of the gas supply connection must comply with

 

current IEC/CEE requirements and with all applicable

 

local, national, and international codes.

For all ovens equipped with casters, the gas line connection

 

shall be made with:

-A connector that complies with the Standard for Connectors for Movable GasAppliances,ANSI Z21.69 (in USA), or Connectors for Movable GasAppliances, CAN/CGA-6.16 (in Canada).

Check the oven’s gas supply requirements to determine the type of gas to be used with the oven. If the gas type required does NOT match the local supply:

For North American installations, a conversion kit is supplied with the oven to allow operation using propane gas. Refer to Part B, Gas Conversion, in this section.

For CE ovens, directions for converting the oven for use with other gases are described in Part D.1, Preparation for Use with Various Gases, in this section.

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Contents Owners operating Page Middleby Marshall IiiTable of Contents Section Description Model IdentificationThis Manual Must Be Kept For Future Reference PS528 Series Oven SpecificationsSeries PS528 Electrical Specifications PS528-Series Oven Components Locations II. Component Function Cooling Fan Blank Plates two sizes and an Air Finger F2. Blank PlatesSection Installation InstallationParts List for Series PS528 GAS Oven Installation KIT UnloadingItem no QTY Description Model PS528 Single Oven Dimensions Model PS528 Double Oven Dimensions Model PS528 Triple Oven Dimensions II. Ventilation Guidelines Electric Supply to be Provided by Customer Circuit BreakerIV. Electric Supply for GAS Heated Ovens 11. Junction Connection BoxGAS Supply 16. Gas Burner Assembly Checking the Gas Supply Inlet Pressure Section Installation Section Operation Control FunctionsDoor Safety Switch Blower SwitchHeat Switch Temperature ControllerSee Figures 3-4 Measuring Conveyor SpeedConveyor Startup Procedures Daily Startup Power FailureShutdown Procedure III. STEP-BY-STEP OperationControl Panel Daily Startup Procedure IV. Normal Operation STEP-BY-STEPSP Lock Quick Reference Troubleshooting SymptomSection Maintenance Maintenance Daily II. Maintenance MonthlyExterior Conveyor Belt FigureRemoving Conveyor From Oven For Cleaning QuantitySection Maintenance Air Fingers Disassembly For Cleaning T1 T2 T3 B1 B2 B3Reassembly of Air Fingers 12. Standard Lower FingerExtended Lip Tab on Outer Plate Flange Finger Manifold Incorrect Too Reinstall End Plugs Conveyor Belt Link Removal Conveyor Reassembly Into OvenChecking Conveyor Belt Tension Remove the outside master links on the right and left Attaching Drive Chain III. Maintenance Every 3 Months IV. Maintenance Every 6 MonthsImportant Notices Electrical TerminalsKEY Spare Parts KIT PS528-SERIES GAS Oven KEY Spare Parts KIT FigureSection Troubleshooting Problem Oven does not HeatSection Troubleshooting Section Electrical Schematics
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PS528G specifications

The Middleby Marshall PS528G is a cutting-edge gas-fired conveyor oven, designed to revolutionize the way food is cooked in high-demand commercial kitchen environments. Renowned for its exceptional performance, this oven combines advanced technology with user-friendly features, making it a preferred choice for restaurants, pizzerias, and other food service operations.

One of the standout features of the PS528G is its impressive cooking capacity. With a spacious cooking chamber and a conveyor belt that ensures uniform movement of food items, this oven can handle a variety of menu items all at once. This is particularly beneficial for establishments with high volume requirements, as the efficient design allows for consistent results and quick turnaround times.

The PS528G utilizes advanced jet air technology, which circulates hot air throughout the cooking chamber. This ensures even cooking and browning of food, eliminating cold spots and ensuring that every item comes out perfectly cooked. The enhanced air flow not only improves cooking quality but also reduces the cooking time compared to traditional ovens.

Energy efficiency is another highlight of the Middleby Marshall PS528G. The gas-fired system is engineered to optimize fuel consumption, making it both environmentally friendly and cost-effective. Operators can expect significantly lower energy bills without compromising on cooking performance, making this oven an ideal investment for busy kitchens.

Moreover, the PS528G features a user-friendly digital control panel. This intuitive interface allows operators to easily set cooking temperatures, adjust conveyor speeds, and monitor cooking cycles with precision. The programmable features enable users to save recipes, ensuring consistency across batches and streamlining kitchen operations.

Safety is also a top priority with the PS528G. The oven is equipped with safety features such as a reliable ignition system and temperature controls that prevent overheating, reducing the risk of accidents in busy kitchens.

In conclusion, the Middleby Marshall PS528G is a powerhouse in the realm of commercial cooking. Its combination of high cooking capacity, advanced jet air technology, energy efficiency, user-friendly controls, and safety features make it an essential tool for any food service operation that demands high-quality cooking in a fast-paced environment. As the culinary landscape continues to evolve, the PS528G stands as a testament to innovation and reliability in the kitchen.