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Safety precautions for operating the cooktop to prevent fire, shock, or injury.
Emergency procedure to follow if a gas leak is detected.
Safety guidelines to prevent injury, including handling grease fires and proper apparel.
Explanation of the electronic ignition system and automatic reignition for burners.
Instructions on operating the cooktop during a power failure, including manual ignition.
Explains the automatic ON/OFF flame cycling of ExtraLow burners for simmering.
Troubleshooting steps to check before contacting service for cooktop issues.
Safety precautions for operating the cooktop to prevent fire, shock, or injury.
Emergency procedure to follow if a gas leak is detected.
Safety guidelines to prevent injury, including handling grease fires and proper apparel.
Explanation of the electronic ignition system and automatic reignition for burners.
Instructions on operating the cooktop during a power failure, including manual ignition.
Explains the automatic ON/OFF flame cycling of ExtraLow burners for simmering.
Troubleshooting steps to check before contacting service for cooktop issues.
This document is a care and use manual for Thermador Steel Gas Cooktops with Full Surface Grates, covering 30", 36", and 45" models, including those with the ExtraLow® feature. It provides comprehensive instructions for safe operation, maintenance, and troubleshooting, ensuring optimal performance and longevity of the appliance.
The cooktop is designed for normal family household use, featuring sealed gas burners that come in two sizes: large and medium. These burners are equipped with porcelain enamel burner caps that must be correctly positioned on the burner base for proper lighting and complete flame combustion. Each cap has a locator on its underside that fits into a corresponding notch on the burner base. The cooktop also includes burner grates, which are crucial for supporting cookware and must be properly positioned with all four feet in their corresponding dimples whenever the cooktop is in use. The manual specifies different grate configurations for 30", 36", and 45" models, with 30" models having two universal grates, 36" models having one side, one center, and one single grate, and 45" models having two side grates and one center grate.
Operation of the cooktop is managed through burner control knobs. Standard burner controls offer an infinite number of heat settings, allowing users to select the desired flame size by pushing down and turning the knob counterclockwise. To turn off a burner, the knob is turned clockwise to the OFF position. For models featuring the ExtraLow® (XLO®) function (SGCS models), there are specific ExtraLow burner controls and bezels. The ExtraLow feature allows the flame to cycle ON and OFF automatically for varying seconds each minute when the knob is set within the XLO zone. This cycling action is designed for simmering, poaching, melting, or holding cooked food without scorching or burning. The manual provides guidance on how to achieve the best results with ExtraLow burners, such as bringing food to a boil first, using a lid, and adjusting settings based on whether the pan is covered or uncovered.
The cooktop utilizes electronic igniters for lighting the burners, eliminating the need for a pilot light. Each burner has its own igniter, and if a burner flame blows out during use, the system automatically reignites it. A "Burner ON" light is present on SGCS models to indicate when one or more burners are in use. In the event of a power failure, only standard burners can be ignited manually using a match, while ExtraLow burners cannot be used. The manual emphasizes the importance of keeping igniters clean and dry for proper operation and advises checking the burner cap position if a burner fails to ignite.
Proper cookware selection is highlighted as essential for efficient cooking. The manual recommends using aluminum or copper-bottomed pans for even heat conduction, cast-iron for slow, even cooking, and flat, heavy-bottomed pans for stability. It cautions against using thin, warped, dented, or ridged pans. Users are advised to match the pan diameter to the flame size, ensuring the flame heats only the bottom of the pan and does not extend beyond its edges. For pans spanning two burners, such as griddles or roasters, they should be placed front to back, and the flame adjusted equally. The manual also suggests using a well-fitting lid to shorten cooking time and provides specific recommendations for woks and canners/pressure cookers. A detailed cooking chart offers suggested flame settings for various foods, including options for ExtraLow burners.
Maintenance and cleaning instructions are provided to keep the cooktop in optimal condition. The entire cooktop can be cleaned with a soapy sponge, rinsed, and dried. For stubborn soil, specific cleaning methods are recommended for different parts of the cooktop. For burner bases and caps (aluminum alloy), detergent and hot water are suitable, with abrasive cleansers like Brillo® or S.O.S.® pads for tougher stains. It's important not to soak burner caps or scratch port openings. For porcelain enamel burner caps and exterior finishes, hot sudsy water, nonabrasive cleansers (Ammonia, Fantastic®, Formula 409®), or mild abrasive cleansers (Bon Ami®, Ajax®, Comet®) are suggested. Acidic and sugar-laden spills should be removed immediately to prevent deterioration of the porcelain enamel. A stiff nylon bristle toothbrush can be used to clean port openings.
Control knobs and bezels, made of plastic, should be cleaned with hot sudsy water, rinsed, and dried immediately, avoiding soaking. Stainless steel exterior finishes benefit from nonabrasive cleaners and a cleaner polish like Stainless Steel Magic® to protect against staining and pitting. Hard water spots can be treated with household vinegar. Grates, made of porcelain enamel on cast iron, should be cleaned with nonabrasive cleaners, hot water, and detergent. Mild abrasive cleaners like Bon Ami® and Soft Scrub® are also suitable, with soap-filled steel wool pads for stubborn stains. Users are reminded that grates are heavy and should be handled with care, placed on a protected surface, and that acidic and sugar-laden spills should be removed promptly to prevent enamel deterioration. Igniters, being ceramic, should be carefully wiped with a cotton swab dampened with water, ammonia, or Formula 409®, and any soil gently scraped off with a toothpick, taking care to avoid excess water.
The manual also includes a "Problem Solver" section to assist users with common issues before calling for service. It advises checking the gas shut-off valve, proper positioning of burner caps, cleanliness of igniters, and the power supply. It also notes that igniters may spark once or twice upon initial power-up or after an outage, even if all burner knobs are off. For authorized service or parts, contact information for Thermador Customer Support is provided, emphasizing the importance of including the model number, serial number, and date of original purchase/installation in all communications. The warranty information outlines a full one-year warranty covering repair or replacement of defective parts due to materials and workmanship, applicable to appliances used in residential settings within the 50 states of the U.S.A., the District of Columbia, and Canada. It explicitly lists what is not covered, such as service by unauthorized agencies, damage from misuse, or service visits for teaching appliance use.
| Brand | Thermador |
|---|---|
| Model | SGC365 |
| Category | Cooktop |
| Type | Gas |
| Number of Burners | 5 |
| Burner Types | Triple Ring, Dual Ring, Standard |
| Triple Ring Burner BTU | 18, 000 BTU |
| Ignition Type | Electronic |
| Material | Stainless Steel |
| Width | 36 inches |












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