This document describes the Bosch Built-in Gas Hob, models PRP6A6D70, PRP6A6N70, and PRR7A6D70, providing essential information for its use, maintenance, and safety.
Function Description
The Bosch Built-in Gas Hob is designed for cooking purposes in private households and domestic environments. It features multiple gas burners with varying power outputs, controlled by individual knobs. The appliance includes an automatic ignition system for convenient startup. A key safety feature is the thermocouple, which interrupts gas flow if a burner accidentally goes out. Some models are equipped with a dual-wok multi-crown burner, allowing independent regulation of inner and outer flames for precise cooking. The hob also includes a main switch to lock the hob, preventing accidental ignition and allowing for quick shutdown of all burners.
Important Technical Specifications
The hob models feature different burner types with specific power outputs:
- Economy burner: 1.10 kW
- Standard-output burner: 1.90 kW
- High-output burner: 2.80 kW
- Dual-wok multi-crown burner: 4.00 / 4.20 kW
The control knobs allow for incremental flame height adjustment from power level 1 to 9. For dual-wok burners, specific power levels (e.g., 60, 4, 3, 10) regulate combinations of inner and outer flames. The appliance is designed for use up to an altitude of max. 2000 m above sea level. Product information according to (EU) 66/2014, including energy efficiency data, is available on the product page.
Usage Features
Control and Ignition:
- Control Knobs: Used to configure all functions and set flame height. Press and turn anti-clockwise to ignite.
- Automatic Ignition: Press and hold the control knob for the selected burner, turning it anti-clockwise to the highest level. Sparks are generated, and the flame ignites. Continue holding for a few seconds to activate the safety system.
- Manual Ignition: In case of a power cut, burners can be lit manually by holding a lighter or flame against the burner while pressing and turning the control knob.
- Switching Off: Turn the control knob clockwise to the "Off" position (O). A residual heat indicator (h or H) may appear in the display, indicating hot parts.
- Main Switch: This switch interrupts the general gas flow. Pressing it locks the hob and switches off all active burners. To unlock, press and turn it fully clockwise.
Cookware:
- Suitable Diameter: Use cookware with a base diameter appropriate for each burner to ensure efficiency and safety.
- Multi-crown burner: 22-30 cm
- High-output burner: 20-26 cm
- Standard-output burner: 14-22 cm
- Economy burner: 12-16 cm
- Placement: Cookware should be placed correctly on the pan supports, centered on the burner. Never place cookware directly on the burner.
- Dual-Wok Burner: Only use cookware with a rounded base on the multi-crown burner, along with the additional wok grid.
- General Advice: Use cookware with a thick, flat base. Avoid deformed cookware. Cover saucepans with lids to save energy.
Cooking Settings:
- The manual provides recommended power levels for various cooking tasks, from boiling water and deep-fat frying to simmering and melting.
- Tips for energy-saving cooking include choosing appropriate burner sizes, covering pans, and using pressure cookers.
Safety:
- Gas Leaks: Immediately shut off gas supply, extinguish flames, avoid electrical switches, open windows, and call service if gas is smelled.
- Ventilation: Ensure adequate kitchen ventilation, especially during intensive or prolonged use of the gas hob, to manage heat, moisture, and combustion products.
- Fire Risk: Never leave hot oil or fat unattended. Do not use water to extinguish grease fires; instead, cover with a lid or fire blanket. Keep flammable objects away from the hob.
- Burns: Accessible parts become hot during operation. Keep small children away. Never heat empty cookware.
- Hob Covers: Do not use hob covers.
- Ignition Safety: If a burner does not ignite within 10 seconds, turn the control knob to "Off" and ventilate the room. Do not attempt to re-ignite for at least one minute.
- Control Knob Issues: If a control knob is stiff or loose, contact after-sales service.
- Glass Surface: In case of cracks or fractures in the glass, immediately switch off all burners and electrical heating elements, disconnect power, shut off gas, and contact customer service.
Maintenance Features
Cleaning:
- General Cleaning: Allow the appliance to cool down. Clean with a sponge and soapy water, then dry with a soft cloth. Remove spilled liquids immediately to prevent food from sticking.
- Burners: Clean burner parts after each use with a non-metallic brush and soapy water. Do not clean burner parts in a dishwasher. Ensure burner holes and grooves are clean for a correct flame.
- Pan Supports: Allow to cool, then carefully remove and clean with a non-metallic brush and soapy water. Pay attention to rubber pads. Pan supports can also be cleaned in a dishwasher using recommended cleaning agents.
- Ignition Plugs: Clean regularly with a small, non-metallic brush. Avoid heavy knocks.
- Control Knobs: Do not remove control knobs while cleaning to prevent humidity damage to the appliance's interior.
- Cleaning Products: Use suitable cleaning products; avoid harsh, abrasive detergents, steel wool, knives, sharp objects, or steam-cleaning appliances.
Troubleshooting:
- The manual provides a troubleshooting guide for common malfunctions such as impaired electrical operation, automatic ignition not working, non-uniform burner flame, gas supply issues, burner switching off prematurely, and display errors.
- Solutions include checking circuit breakers, connecting power, cleaning burner parts, and ensuring correct positioning of components.
- For persistent issues or damaged components (e.g., power cord, gas lines), contact trained specialist staff or customer service.
Disposal:
- Packaging: Packaging materials are environmentally compatible and recyclable. Sort individual components by type.
- Old Appliance: Unplug, cut the power cord, and dispose of the appliance in an environmentally friendly manner. The appliance is labeled according to European Directive 2012/19/EU (WEEE) for proper return and recycling.
Customer Service:
- Function-relevant genuine spare parts are available from Customer Service for at least 10 years.
- Contact Customer Service for expert advice, problem resolution, or repairs. Provide the product number (E-Nr.) and production number (FD), found on the rating plate or appliance certificate.
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