Middleby Marshall PS540G Hood for Adequate AIR Supply and Ventilation, User Supplied Items Figure

Page 21

SECTION 2

INSTALLATION

UTILITY ROUGH-IN DIMENSIONS AND POSITIONING

FOR PS540-SERIES OVENS

WARNING

DO NOT USE CONDUIT OR GAS LINE FOR GROUND CONNECTION.

CAUTION

IT IS REQUIRED THAT THE OVEN BE PLACED UNDER A VENTILATION

5

ON 6

OFF

2 3

1

2 24" 610mm

6

ON

27"

686mm

HOOD FOR ADEQUATE AIR SUPPLY AND VENTILATION.

2

OFF

3

ELECTRIC AND GAS SUPPLY TO BE

PROVIDED BY CUSTOMER

ELECTRICAL SAFETY SWITCH

15 Amp circuit breaker / fused disconnect switch with lockout/tagout electrical shutoff for each oven. Wire each oven separately.

ELECTRICAL SPECIFICATIONS

DOMESTIC or EXPORT: 208-240V blower motor, 1 phase, 4.1 Amp draw, 50/60 Hz, 208-240V control circuit, 2 poles, 3-wire system per oven (2 hot, 1 grd).

Do NOT use conduit for ground.

GAS RATING

ModelPS540is110,000BTU/hour, 116.0 mJ/h (27,720kcal), 32.2kW/hr.

MINIMUM GAS METER RATING

450 ft3/hour (12.6m3/h) for 1 or 2 ovens;

Add 180 cu. ft./hr (5.1 m3/h) for each additional oven.

Minimum rating does not take other gas appliances into consideration. Gas consumption varies at each site. Total BTU/hr (kcal/hr) must be calculated during high flame operation for each appliance to determine if the meter needs to be larger.

MINIMUM GAS PIPE SIZE

Natural: 2″ (51mm) ID for 1, 2, or 3 ovens with runs up to 200 ft. (61m).

Must be a dedicated line.

Runs over 200 ft, (61m) consult factory.

Propane: 2″ (51mm) ID for 1, 2, or 3 ovens with runs up to 200 ft. (61m).

Must be a dedicated line.

Runs over 200 ft, (61m) consult factory.

2

 

 

 

 

4

24"

 

 

610mm

13-1/2"

 

 

 

 

 

343mm

 

 

 

 

 

 

 

 

Suggested dimensions are shown; utility code requirements supersede any factors shown.

Figure 2-9. Typical PS540-Series Oven(s)

Installation

GAS SAFETY VALVE

A3/4″ (19mm) ID (inner diameter) full-flow,gas shutoff valve. A separate connection and valve must be provided for each oven, as shown in Figure 2-9.

REQUIRED GAS SUPPLY PRESSURE

Natural: 6″ to 12″ water column (13.8 to 29.9 mbar)

Propane: 11.5″ to 12″ water column (28.7 to 29.9 mbar)

SUGGESTED

If space permits, electric and gas service should be located near the control console end of the oven(s) to allow convenient access to safety switches and valves.

USER SUPPLIED ITEMS (Figure 2-9)

ITEM DESCRIPTION

12″ (51mm) × 2″ (51mm) × 3/4″ (19mm) TEE

23/4″ (19mm) × 3″ (76mm) NIPPLE

33/4″ (19mm) FULL FLOW GAS SHUTOFF VALVE

42″ (51mm) × 3/4″ (19mm) 90° REDUCER ELBOW

52″ (51mm) ID GAS SUPPLY PIPE LINE - NATURAL GAS

615 AMP TOGGLE SWITCH - 2 POLE for GAS

17

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Contents Owners operating Page Iii Middleby MarshallTable of Contents Model Identification Section DescriptionPS540 Series Oven Specifications Series PS540 Electrical SpecificationsThis Manual Must Be Kept For Future Reference Heat Transfer and How It Works II. Principle of AIR FlowAir Fingers II. Principle of AIR FlowIII. Component Function Figure PS540-Series Oven Components LocationsConveyor Motor and Conveyor Belt III. Component FunctionBlower Fan Gas BurnerCooling Fan See Figure Cooling FanF2. Blank Plates Air Fingers and Blank Plates See Figure F1. Air FingersUnloading Section InstallationParts List for Series PS540 GAS Oven Installation KIT PS540 Oven Installation Required Kits and EquipmentModel 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 Model Triple Oven Dimensions Restraint Cable InstallationUser Supplied Items Figure Hood for Adequate AIR Supply and VentilationVentilation Hood II. Ventilation Guidelines Ventilation Capture Test11. Typical Gas Oven Data Plate IV. Electric Supply for GAS- Heated Ovens12. Junction Connection Box GAS Supply for GAS Heated Ovens13. Flexible Gas Hose Installation Adjusting the Minimum Pressure Setting VI. Conveyor Rear Stop and END Stop InstallationControl Functions Section OperationBlower Switch Door Safety SwitchHeat Switch Temperature ControllerMeasuring Conveyor Speed ConveyorSee Figures 3-4 Power Failure Startup Procedures Initial StartupShutdown Procedure III. STEP-BY-STEP OperationControl Panel II. Normal Operation STEP-BY-STEP Daily Startup ProcedureSP Lock Symptom IV. Quick Reference TroubleshootingSection Maintenance Cooling Fan ExteriorCrumb Pans Figure WindowRemoving Conveyor From Oven For Cleaning II. Maintenance MonthlySection Maintenance T1 T2 T3 T4 B1 B2 B3 B4 Air Fingers Disassembly For CleaningReassembly of Air Fingers Cleaning the WindowExtended Lip Tab on Outer Plate Flange Finger Manifold Section Maintenance Reinstall End Plugs Checking Conveyor Belt Tension Conveyor Reassembly Into OvenConveyor Belt Link Removal Attaching Drive Chain Replacing Conveyor BeltCleaning the Blower/Fan Motor III. Maintenance Every 3 MonthsElectrical Terminals VentilationChecking the Blower/Fan Belt Blower Fan Shaft Bearing Lubrication Split-belt Conveyor Shaft CleaningSection 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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