Middleby Marshall PS200-R68 VIII. Electric Supply for Electrically Heated Ovens

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SECTION 2

INSTALLATION

VIII. ELECTRIC SUPPLY FOR ELECTRICALLY HEATED OVENS

Electrically heated ovens are available in 208 or 240 volts, 5 wire, 3 phase only. They are pre-wired at the factory and only one common connection is necessary.

A standard oven is a 5 wire system (3 hot, 1 neut, 1 grd), it will not have a stepdown transformer. The neutral wire is combined with one 208-240 VAC, 3 phase leg to provide a 110V control circuit.

If the oven was special ordered for a 4 wire system, it will use a stepdown transformer for the 110V control circuit.

A 1-1/4" cutout is supplied on the rear of oven control box for the electrical connection. A 1-1/4" strain relief fitting must be used if flexible cable is used to run electrical supply.

Be sure wire size is adequate to handle amperage draw listed on data tag. Use Copper Wire Only.

Minimum Supply Conductor ampacity -- 95 Amps Per Unit.

Maximum Supply Circuit protective

device -- 100 Amps Per Unit

Normal electrical requirements are as follows:

PS200 Series Single - 208-240V, 3 phase, 5 wire, 27kw, 100 amp service.

PS200 Series Double Oven - 208-240, 3 phase, 5 wire, 54 kw, 2 separate 100 amp services, one for each oven.

FOR OTHER SERVICES CONSULT FACTORY.

Electrical

Junction

Cover Plate

3/4" pipe for gas oven gas connection

or

1-1/4" hole for electrically heated oven

connection

Figure 2-12

Junction Connection Box

20

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Contents Manual Middleby Marshall INC This Manual Must Be Kept For Future Reference Table of Contents Table of Contents Page Section Description Middleby Series PS200-R68 OvensDescription Section GAS Heated Ovens Electric Heated OvensHeat Transfer and How It Works Series PS200-R68 Air FlowII. Principle of AIR Flow Component Location Front Window ConveyorElectric Heaters Electric Oven Only Cooling FanAir Fingers FingersSection Installation UnloadingPS224-R68 Oven Installation Required Kits and Equipment PS200-R68 Oven Installation Required Kits and EquipmentPS220-R68 Oven Installation Required Kits and Equipment Series PS200-R68 Gas & Electric Oven Installation Kits Parts List for Series PS200-R68 GAS Oven Installation KITParts List for Series PS200-R68 Electric Oven PS200-R68, P/NParts List for Series PS200-R68 Single Oven Option KIT Parts List for Series PS200-R68 Double Oven Option KITSeries PS200-R68 Oven Dimensions II. Control BOX and Cable Installation Control Box, Wireway and Cable InstallationIII. Flue Vent Installation IV. Restraint Cable Installation Provided by Customer Typical InstallationGAS Oven ROUGH-IN Electrical Rating Electric Oven ROUGH-INCircuit Breaker SuggestedVentilation Guidelines Vent HoodOven Specifi Cation Data Plate Refer Ence VI. Electric Supply for GAS Heated OvensVII. Electrical Connection Information for ALL Ovens VIII. Electric Supply for Electrically Heated Ovens Junction Connection BoxDo not Connect Black Lead to High LEG Black and White Must IX. GAS Supply for GAS Heated OvensDuring Pressure Testing Note Following Trol Valve Regulator During Initial Turn On of GAS, IT isInstalling Backstop and End Stop Conveyor Backstop and END Stop IN- StallationSection Installation PS200-R68 Series Control Functions Section OperationControls and Components II. Component Information and Location Conveyor Speed Digital Control Refer to -4Initial Start Up Start Up Procedures -- Gas Heated OvensII. Operation Daily Start UpMIN SEC Control PanelTemperature Controller Operation Instructions 351 F651 Start Up Procedures -- Electric Ovens Power FailureBake Time will be the same for any size product Shut Down Gas or Electric OvensConveyor Speed Bake Time and Time of Delivery Section Operation Exterior Section MaintenanceMaintenance Daily Removing conveyor from oven for cleaning II.MAINTENANCE Weekly Oven Disassembly and CleaningPrecautions Crumb PansSection Maintenance Oven interior disassembly Window disassembly for cleaning Loading the soak binSection Maintenance Cleaning parts that were soaked overnight RED Lobster Finger Configuration in Oven Cleaning interior of oven Oven reassembly Section Maintenance Top Finger Upper End Plug Removable Crumb Pans Lower End Plug Section Maintenance Do not adjust belt if HOT Electrical terminals III. Maintenance Every 3 MonthsCleaning fan motor Checking and/or replacing main blower fan belt Main Blower Fan Shaft Bearing Lubrication Quantity Middleby Marshall Description Part Number IV. Maintenance Every 6 MonthsMaintenance Parts Section Maintenance Section Troubleshooting Problem Products Overcooked or UndercookedProblem Oven will not Heat Section Troubleshooting Fingers assembled incor Rectly after cleaning Section Parts List Figure no DescriptionOven PANELS, Window and Legs Part QTY Description AIR Fingers Part Description Control Panel Control Panel Enclosure Blower and Shroud BELT, V-NOTCHED Conveyor QTY Description GAS Burner and Piping Assembly GAS Control Valve Machinery Compartment Part QTY Model Description Electric Oven Electric Panel Electric Panel W/O Components Junction BOX and Export Transformer Transformer .75 KVA 240-480V Export only Section Parts List Section Electrical Schematics Fan Electrical Schematics Section Middleby Marshall

PS200-R68 specifications

The Middleby Marshall PS200-R68 is an innovative commercial conveyor oven that has set new standards in the foodservice industry. Known for its exceptional performance and versatility, this high-efficiency oven is particularly popular among pizza restaurants, fast-casual dining establishments, and any operation that requires high-volume cooking.

One of the standout features of the PS200-R68 is its advanced cooking technology. It utilizes Middleby Marshall's patented "Digital Edge Technology," which ensures precise heat distribution and consistent cooking results. This technology optimizes the airflow within the oven, allowing for uniform cooking across various food products. From pizzas to baked goods, the PS200-R68 can handle it all with ease.

The PS200-R68 boasts a robust construction designed for the demands of a commercial kitchen. It features a stainless-steel exterior, which not only enhances durability but also offers an appealing aesthetic suitable for front-of-house applications. The interior of the oven is equipped with durable, easy-to-clean materials that ensure hygiene and compliance with food safety standards.

Another key characteristic of the PS200-R68 is its energy efficiency. The oven is engineered to minimize energy consumption without compromising performance. Its advanced insulation helps maintain consistent temperatures, thereby reducing heat loss during operation. This feature significantly lowers operational costs, making the PS200-R68 an economical choice for businesses.

Additionally, the PS200-R68 comes with user-friendly digital controls that offer precise temperature settings and cooking times. Operators can easily customize cooking programs to achieve desired results, increasing operational efficiency. With its high-speed conveyor system, the oven ensures quick cooking times, allowing operators to meet high-demand periods without delays.

Furthermore, the Middleby Marshall PS200-R68 is designed to accommodate a variety of food types. Its adjustable conveyor speed allows for flexible cooking times, enabling operators to cook everything from perfectly baked pizzas to toasted sandwiches. This versatility makes it an invaluable addition to any commercial kitchen.

In summary, the Middleby Marshall PS200-R68 is a cutting-edge conveyor oven designed for high performance and energy efficiency. With its digital edge technology, durable construction, and versatile cooking capabilities, it is the ideal choice for foodservice operators looking to enhance their menu offerings while maintaining operational efficiency.