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Star Lang RT36 - User Manual

Star Lang RT36
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Star Manufacturing International 10 Sunnen Drive St. Louis, MO.63143-3800
Part Number: 2M-W1091 Ph: 314-781-2777 Fax: 314-781-2714
Rev.D
WWW.STAR-MFG.COM June 12, 2008
Installation,
Operation, and
Maintenance Instructions
Range Top: RT36A, B, C, D, E, G
https://appliancetechmanuals.com

Questions and Answers

Overview

The Lang RT36 is a commercial electric range top designed for heavy-duty cooking applications. It is available in various configurations to suit different kitchen needs, including models with griddles, hot tops, and French plates. The unit is built with a durable stainless steel exterior, ensuring longevity and ease of cleaning in a demanding commercial environment.

Function Description

The Lang RT36 electric range top provides a versatile cooking surface for a wide range of culinary tasks. Depending on the specific model (RT36A, B, C, D, E, G), it can feature different combinations of heating elements:

  • Griddle Plates: These flat, heated surfaces are ideal for frying, searing, and grilling a variety of foods, from pancakes and eggs to meats and vegetables. Griddle models typically come with thermostats that allow for precise temperature control, often ranging from 0°F to 450°F. A red pilot light indicates when the griddle plate is actively heating to reach the desired temperature.
  • Hot Tops: These solid, heated plates are designed for heavy stock pot and kettle work, providing consistent and intense heat. Hot top models are controlled by high-temperature thermostats, with ranges typically from 0°F to 850°F, making them suitable for simmering, boiling, and maintaining high temperatures for extended periods.
  • French Plates: These round, solid heating elements are controlled by indicating type 6-heat switches, offering various heat levels from low to high (0°F to 750°F). French plates are recommended for light-duty saucepans and small stockpots, providing controlled heat for delicate cooking or gentle simmering. They are not recommended for heavy stock pots, urns, or kettles due to their design and heat distribution characteristics.

The range top is designed to be placed on a suitable stand, counter, or oven base, which must be capable of supporting its substantial weight of 410 lbs (186 kilograms). Electrical connections are made to a terminal block, with specific wiring diagrams provided for single-phase and three-phase configurations, both with and without an oven base.

Usage Features

The RT36 range top is engineered for straightforward operation in a commercial kitchen. Each heating element type has its own control mechanism:

  • Thermostat Controls (for Griddles and Hot Tops): These elements are controlled by a dial thermostat. Users can set the desired temperature, and the unit will heat up to that level, indicated by a pilot light. The pilot light remains on while the element is heating and cycles off when the set temperature is reached.
  • 6-Heat Switches (for French Plates): French plates are controlled by a multi-position switch, allowing users to select from six different heat levels. This provides flexibility for various cooking needs, from low heat for warming to high heat for rapid cooking.

Initial Start-Up (Drying Out Procedure): Before initial use, or if the unit has been out of use for three or more days, a "drying out" procedure is recommended to remove any moisture or manufacturing residues. This involves gradually increasing the temperature of the heating elements over a period of time. For griddles and hot plates, this means setting the thermostat to progressively higher temperatures (e.g., 250°F, 350°F, 450°F, up to 850°F for hot tops) and allowing the unit to cycle at each level for at least 15 minutes, maintaining the highest temperature for a minimum of 4 hours. For French plates, the 6-heat switch is moved through each position, allowing the unit to cycle at each level before maintaining the highest setting for 4 hours. This process helps to condition the heating surfaces and eliminate any faint smoke or odor that may occur during the first few hours of operation, which is normal for new equipment.

Maintenance Features

Regular maintenance and cleaning are crucial for the optimal performance, longevity, and hygiene of the Lang RT36 range top.

Cleaning Procedures:

  • Daily Cleaning: The range top should be thoroughly cleaned at least once a week, in addition to normal daily cleaning, to prevent the accumulation of foreign material.
  • Keep Water Out of Controls: It is critical to keep water and cleaning solutions away from the control console, electrical connections, and other sensitive electrical components. Spraying or hosing these areas is strictly prohibited.
  • Protective Gear: When using cleaners, operators should wear rubber gloves, goggles/face shields, and protective clothing, as most commercial cleaners can be harmful to skin, eyes, and mucous membranes. Always read and follow the directions on the cleaner's label.
  • Griddle and Hotplate Surfaces: These surfaces should be kept clean to ensure efficient heat transfer and prevent food buildup.
  • Drip Pans: Drip pans located under the range top plates should be cleaned regularly.
  • Exterior Surfaces: The outside of the range and top should be kept clean.
  • Aluminum-Safe Cleaners: If using oven cleaners, ensure they are specifically marked as "Safe On Aluminum."
  • Floor Maintenance: The floor in front of the equipment should always be kept clean and dry to prevent slips and falls. Spills should be cleaned immediately.

Calibration:

  • Calibration Check: To check calibration, place a thermometer in the center of the oven cavity (if applicable, or on the heating surface for range tops), set the thermostat to 350°F, and place any 3-heat switches in the "HIGH" position. Allow the unit to preheat for at least half an hour. After three heating cycles, average the temperatures recorded to determine if calibration is accurate.
  • Calibration Adjustment: If adjustment is needed, a 1/16" flat blade screwdriver with a 2" shaft is required. While maintaining the oven temperature at 350°F, remove the knob and locate the adjustment screw at the base of the shaft. Hold the shaft and turn the screwdriver counter-clockwise to increase temperature or clockwise to decrease it. A 1/8 turn typically adjusts the temperature by 5-7°F. Reinstall the knob and recheck the temperature.

Troubleshooting:

The manual provides a troubleshooting guide for common issues such as elements not heating. It outlines possible causes (e.g., no power, defective thermostat, failed element, failed switch) and corresponding tests (e.g., verify calibration, check continuity across elements, consult service manual).

Important Safety and Service Notes:

  • Qualified Personnel: All service and installation must be performed by qualified personnel familiar with electrical and plumbing work, and in accordance with all applicable codes.
  • Power Disconnection: Before replacing any parts or performing service, the unit must be disconnected from the main electric power supply, as both high and low voltages are present inside the appliance.
  • Genuine Replacement Parts: Only replacement parts supplied by Star or their authorized distributors should be used. Using unauthorized parts can cause injury, damage to equipment, and void all warranties.
  • Authorized Service Agent: For service or complex troubleshooting, users are advised to consult the Lang Authorized Service Agent Directory or contact customer support.

Star Lang RT36 Specifications

General IconGeneral
CategoryCommercial Food Equipment
ManufacturerStar Manufacturing
ModelRT36
Cooking Surface36 inches
Burners6
Gas TypeNatural Gas

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