Middleby Marshall PS528G IV. Normal Operation STEP-BY-STEP, Daily Startup Procedure

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SECTION 3

OPERATION

IV. NORMAL OPERATION - STEP-BY-STEP

A.Daily Startup Procedure

1.Check that the circuit breaker/fused disconnect is in the on position.

2.Turn the "BLOWER"

() switch to the “ON” ("I") position.

3.Turn the "CONVEYOR"

() switch to the “ON” ("I") position.

4.If necessary, adjust the conveyor speed setting

by pressing the

or

or

pushbuttons on the

conveyor speed controller

 

to change the displayed

 

bake time.

 

 

the setpoint temperature. Higher setpoint temperatures will require a longer wait. The oven can reach a temperature of 500°F (232°C) in approximately 15 minutes.

8.(Optional) Press the Temperature () key to show theActual Temperature in the display,

and wait for the "ACTUAL TEMP" light to turn on. This allows you to monitor the oven temperature as it

rises to the setpoint.

9. Allow the oven to preheat for 10 minutes after it has reached the set point tem-

perature.

B.DAILY SHUTDOWN PROCEDURE

1.Turn the "HEAT" () and "BLOWER" () switches to

the "OFF" ("O") position. Note that the blowers will remain in operation until the oven has cooled to below 200°F (93°C).

2.Make certain that there are no products left on the conveyor inside the oven.

5.Adjust the temperature controller to a desired set temperature, if necessary.

Press the Set Point and Unlock keys at the same time. Wait for the "SET PT" light to turn on.

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Turn the "CONVEYOR" ( ) switch to the "OFF" ("O") position.

3. After the oven has cooled

and the blowers have

turned to the “OFF” or “O”

Press the Up Arrow

and Down Arrow

Keys as necessary to adjust the set-point. or

6. Turn the "HEAT" ()

switch to the "ON" ("I") position, and wait for the "HEAT ON" light to turn on.

7.Wait for the oven to heat to

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position, switch the circuit breaker/fuse disconnect to the

“OFF” or “O” position.

IMPORTANT

On gas ovens, if the "HEAT ON" light will not illuminate, OR if the oven does not heat, the gas burner may not have lit. Turn the "HEAT" (), "BLOWER" (), and "CONVEYOR" () switches to the "OFF" ("O") position. Wait for AT

LEAST FIVE MINUTES before restarting the oven. Then,

repeat the Daily Startup procedure.

CAUTION

In case of power failure, turn all switches to the “OFF” ("O") position and remove the product. After the power has been restored, perform the normal startup pro- cedure. IF THE OVEN WAS SWITCHED OFF FOR

LESS THAN 5 MINUTES, WAIT FOR AT LEAST FIVE MINUTES BEFORE RESTARTING THE OVEN.

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Contents Owners operating Page Middleby Marshall IiiTable of Contents Section Description Model IdentificationSeries PS528 Electrical Specifications PS528 Series Oven SpecificationsThis Manual Must Be Kept For Future Reference 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 ControllerConveyor Measuring Conveyor SpeedSee Figures 3-4 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 Checking Conveyor Belt Tension Conveyor Reassembly Into OvenConveyor Belt Link Removal 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.