Middleby Marshall P/N 60250 installation manual II. Normal Operation STEP-BY-STEP

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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. The touch panel display should be lit.

2.Adjust the conveyor to the desired bake time.

3.Press the temperature button to display right and left hand oven settings. Set temperatures as desired.

4.Press the ON button to activate the oven. The conveyor will not run, until the oven temperature has reached the set points.

B. Daily Shutdown Procedure

1.Make certain there are no products left on the conveyor in the oven.

2.Press the ON square to turn the oven off.

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

4.After the oven has cooled and the blowers have turned off, the circuit breaker/fused disconnect may be turned off.

Quick Reference – Touch Screen Controller A. Main Screen

1.On/Off button - Used to turn oven On and Off.

2.Conveyor speed - Pressing on either the minutes or seconds allows a new value to be input for the conveyor speed.

Split belt ovens have two inputs (front and rear belts).

3.Oven temperature - Pressing on the set temperature shifts the user to the oven temperature set point/indicator screen.

4.Energy level indicators - Indicators to either side of the screen indicate the energy input to that side of the oven.

5.Message bar - Indicates various messages pertaining to current oven conditions.

B. Oven Temperature/Set Point/Indicator Screen

1.Right actual temperature - Indicates current average tem- perature of the right side of the oven.

2.Left actual temperature - Indicates current average tem- perature of the left side of the oven.

NOTE: Right to Left temperature settings should not exceed a differential of 20 °F.

3.Right Set point temperature - Pressing on this value allows the user to adjust the set point for the right side of the oven.

4.Left Set point temperature - Pressing on this value allows the user to adjust the set point for the left side of the oven.

5.Exit - Returns to the main screen.

C. Energy Modes

Energy Mode One - This mode is automatic, and starts (bake time +1 minute) after the last product has entered the oven. In this mode, the main oven blowers will lower to 1500 RPM, while the oven maintains temperature and belt speed.

Energy Mode Two - The oven lowers its set point by 100° F, and stops the belt. Anytime that the oven is more than 10 degrees over its set point, the burners will completely shut off, allowing the oven to cool and the burners are on minimum flow. The main blowers will continue to run at 1500 RPM in this mode. Placing any article on the input belt will cause normal operation of the oven to resume, and bring the set point back to its original level. The belt will resume operation once both sides of the oven are within 5° F of the set point.

Energy Mode Three - The oven will turn off completely and shut off the circulation blowers once the oven temperature has dropped below 200° F. Placing any article on the input belt will cause normal operation of the oven to resume, and bring the set point back to its original level. The belt will resume opera- tion once both sides of the over are within 5° F of the set point.

Energy Mode Four - This is a complete oven shut down. Plac- ing anything on the belt will NOT return the oven to Operation. The ON button on the main screen has to be pressed to restart the oven.

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P/N 60250 September 28, 2012

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Contents Owners Operating and Installation Manual Retain this Manual for Future Reference Middleby Marshall Table of Contents Conveyor Drive Motor Moves the conveyor Oven UsesTriple Ove Oven SpecificationsInstallation Parts List for Series PS740 GAS Oven Installation KIT PS740 24″ Oven Installation Required Kits and EquipmentKit PS740 Oven Installation Required Kits and Equipment Item no QTY Description 66159 ″-16 × 1 HEX SCREW, SST 3B. Model PS740 32 Double Oven Option Base with Legs and Top Quad Outrigger Weldment A27727 83 -16x1-1/4 HEX Bolt A21924 Requirements III. Ventilation SystemRecommendations Other ventilation concernsTop Panel and Base Pad Assembly IV. AssemblyStacking Restraint Cable InstallationDo not Overtighten the Conveyor Belt Conveyor InstallationSwitching Photo Detector Resetting Direction JumperConveyor Belt Reversal Reversing the Conveyor BeltVII. GAS Supply ConnectionConnection Adjusting the Maximum Pressure SettingGas Conversion PS740 Propane ConversionMaintenance Adjusting the Minimum Pressure SettingCheckout Location and Description of Controls II. Normal Operation STEP-BY-STEP Screen Alerts III. Quick Reference TroubleshootingMaintenance Daily MaintenanceTop Row Bottom Row II. Maintenance MonthlySplit Belt Disassembly and Cleaning III. Maintenance Every 3 MonthsBlower Belt IV. Maintenance Every 6 MonthsKEY Spare Parts Available separately. See Figure KEY Spare Parts PS740 GASWiring Diagram 60250 September 28 60250 September 28 60250 September 28 Installing or servicing this equipment

P/N 60250 specifications

The Middleby Marshall P/N 60250 represents a significant advancement in commercial cooking technology, specifically designed to meet the rigorous demands of the foodservice industry. This piece of equipment stands out due to its combination of speed, efficiency, and superior cooking performance, making it an invaluable asset for restaurants, pizzerias, and other food establishments.

One of the main features of the P/N 60250 is its high-speed cooking capability. Utilizing the patented "TurboChef" technology, this oven can cook food items much faster than traditional convection ovens, which significantly reduces wait times and improves service efficiency. The unique airflow design ensures that food is cooked evenly, resulting in high-quality products that meet the expectations of discerning customers.

The P/N 60250 also boasts an array of customizable cooking modes that enable chefs to adapt the oven to a variety of menu items. With settings for baking, broiling, and convection cooking, operators can utilize this versatile unit for diverse applications, from crispy pizzas to perfectly baked pastries. This flexibility allows establishments to expand their menu offerings while maintaining consistent food quality.

Another key characteristic of the Middleby Marshall P/N 60250 is its energy efficiency. This unit is engineered to consume less energy compared to standard ovens, which not only benefits the environment but also helps reduce operational costs for foodservice operators. The intelligent energy management systems integrated into the oven optimize performance while minimizing energy waste.

The ease of use is another hallmark of the P/N 60250. With a user-friendly interface and programmable controls, staff can quickly learn how to operate the oven, reducing the training time required. The intuitive design allows for seamless transitions between different cooking modes and settings, enhancing workflow in fast-paced kitchen environments.

Furthermore, the construction of the Middleby Marshall P/N 60250 is robust and durable, designed to withstand the rigors of a commercial kitchen. The stainless steel exterior not only provides an attractive finish but also ensures easy cleaning and maintenance, a crucial feature for busy establishments.

In summary, the Middleby Marshall P/N 60250 exemplifies the blend of advanced technology and practical features necessary in modern foodservice operations. Its high-speed cooking capabilities, customizable settings, energy efficiency, ease of use, and durable construction make it an essential tool for any kitchen looking to elevate their culinary offerings while maximizing productivity.
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