Middleby Marshall PS540G II. Normal Operation STEP-BY-STEP, Daily Startup Procedure

Page 32

SECTION 3

OPERATION

II. NORMAL OPERATION - STEP-BY-STEP

A.Daily Startup Procedure

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

7.Wait for the oven to heat to the setpoint temperature. Higher setpoint temperatures will require a longer wait. The oven can reach a temperature of 500°F (232°C) in approximately 5 minutes.

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 pushbuttons on the con- veyor speed controller to change the displayed bake time.

5.Adjust the temperature controller to a desired set temperature, if neces- sary.

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

•Press the Up Arrow and Down Arrow Keys as necessary to adjust the set- point.

or

wait

+ for

or

8. (Optional) Press the Tem-

 

perature ( ) key to show

 

the Actual Temperature

wait

in the display, and wait

for

for the "ACTUAL TEMP"

light to turn on. This al-

 

lows 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 temperature.

B.DAILYSHUTDOWNPROCEDURE

1. Turn the "HEAT" (

) and

+

"BLOWER" (

) swit-

ches to the "OFF" ("O")

 

position.

Note that the

 

blowers will remain in op-

 

eration 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. Turn the "CON- VEYOR" () switch to the "OFF" ("O") position.

3.Open the window to allow the oven to cool faster.

4.After the oven has cooled and the blowers have turned to the “OFF” or “O” position, switch the circuit breaker/fuse disconnect to the “OFF” or “O” position.

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

wait for

CAUTION

In case of power failure, turn all switches to the “OFF” ("O") position, open the oven window, and remove the product. After the power has been restored, perform the normal startup procedure. IF THE OVEN WAS SWITCHED OFF FOR LESS THAN 5 MINUTES, WAIT FOR AT LEAST FIVE MINUTES BEFORE RE- STARTING THE OVEN.

The burner will not operate and gas will not flow through the burner without electric power. No attempt should be made to operate the oven during a power failure.

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Contents Owners operating Page Middleby Marshall IiiTable of Contents Section Description Model IdentificationThis Manual Must Be Kept For Future Reference PS540 Series Oven SpecificationsSeries PS540 Electrical Specifications II. Principle of AIR Flow Heat Transfer and How It WorksII. Principle of AIR Flow Air FingersPS540-Series Oven Components Locations III. Component Function FigureIII. Component Function Conveyor Motor and Conveyor BeltBlower Fan Gas BurnerCooling Fan Cooling Fan See FigureAir Fingers and Blank Plates See Figure F1. Air Fingers F2. Blank PlatesSection Installation UnloadingPS540 Oven Installation Required Kits and Equipment Parts List for Series PS540 GAS Oven Installation KITModel PS540 Single Oven Option Base with Legs and Top Model PS540 Double Oven Option Base with Legs and Top Model PS540 Triple Oven Option Base with Outriggers and Top Model PS540 Single Oven Dimensions Model PS540 Double Oven Dimensions Restraint Cable Installation Model Triple Oven DimensionsHood for Adequate AIR Supply and Ventilation User Supplied Items FigureII. Ventilation Guidelines Ventilation Capture Test Ventilation HoodIV. Electric Supply for GAS- Heated Ovens 11. Typical Gas Oven Data PlateGAS Supply for GAS Heated Ovens 12. Junction Connection Box13. Flexible Gas Hose Installation VI. Conveyor Rear Stop and END Stop Installation Adjusting the Minimum Pressure SettingSection Operation Control FunctionsDoor Safety Switch Blower SwitchHeat Switch Temperature ControllerSee Figures 3-4 Measuring Conveyor SpeedConveyor Startup Procedures Initial Startup Power FailureShutdown Procedure III. STEP-BY-STEP OperationControl Panel Daily Startup Procedure II. Normal Operation STEP-BY-STEPSP Lock IV. Quick Reference Troubleshooting SymptomSection Maintenance Exterior Cooling FanCrumb Pans Figure WindowII. Maintenance Monthly Removing Conveyor From Oven For CleaningSection Maintenance Air Fingers Disassembly For Cleaning T1 T2 T3 T4 B1 B2 B3 B4Cleaning the Window Reassembly of Air FingersExtended Lip Tab on Outer Plate Flange Finger Manifold Section Maintenance Reinstall End Plugs Conveyor Reassembly Into Oven Checking Conveyor Belt TensionConveyor Belt Link Removal Replacing Conveyor Belt Attaching Drive ChainIII. Maintenance Every 3 Months Cleaning the Blower/Fan MotorChecking the Blower/Fan Belt Electrical TerminalsVentilation Split-belt Conveyor Shaft Cleaning Blower Fan Shaft Bearing LubricationSection Maintenance IV. Maintenance Every 6 Months KEY Spare Parts KIT Section Troubleshooting Section Troubleshooting Parts List English Oven PANELS, Window and Legs Section Parts List Control Panel English Blower and Shroud English Conveyor English Split Belt Conveyor English GAS Burner and Piping Assembly English Machinery Compartment Section Parts List Section Electrical Schematics Section Electrical Schematics Section Electrical Schematics Section Electrical Schematics Page Hour Service Hotline

PS540G specifications

The Middleby Marshall PS540G is a cutting-edge conveyor oven designed to meet the diverse cooking needs of commercial kitchens and food service operations. Known for its efficiency and reliability, the PS540G combines advanced technology with innovative design to deliver consistent cooking results while optimizing energy use.

One of the standout features of the PS540G is its high-efficiency impingement cooking system. This technology utilizes powerful jets of hot air that quickly and evenly circulate around the food, ensuring thorough cooking while significantly reducing cooking times. This results in faster service and improved throughput, making it an excellent choice for busy restaurants, cafes, and catering operations.

The oven is equipped with a unique dual-fuel option, allowing operators to choose between natural gas or propane. This flexibility helps businesses adapt to their specific requirements and preferences, providing both cost and energy-saving benefits. Additionally, the PS540G is designed with a fully insulated structure, minimizing heat loss and further enhancing energy efficiency.

Another key characteristic of the Middleby Marshall PS540G is its user-friendly control interface. The digital controls offer precise temperature settings and adjustable conveyor speeds, allowing chefs to customize the cooking process for various food items. This versatility ensures optimal results, whether baking pizzas, roasting vegetables, or toasting sandwiches.

The spacious cooking chamber of the PS540G is designed with a wide conveyor belt that accommodates large batches of food, making it particularly suitable for high-volume establishments. The oven's compact footprint allows it to fit into tight kitchen spaces without sacrificing cooking capacity.

Safety is also a priority in the design of the PS540G. The oven features automatic shut-off mechanisms and cool-to-the-touch exterior surfaces, allowing for safer operations. Additionally, the durable construction with stainless steel components ensures longevity and ease of maintenance.

In conclusion, the Middleby Marshall PS540G is a state-of-the-art conveyor oven that offers outstanding performance for commercial kitchens. With its advanced impingement cooking technology, flexible dual-fuel options, user-friendly controls, and robust safety features, the PS540G stands out as an essential tool for any food service operation looking to enhance efficiency and food quality.
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