Miele PUR 98 D Operating And Installation Instructions page 8

IMPORTANT SAFETY INSTRUCTIONS
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Always turn the ventilation hood on whenever a burner is in use to
prevent damage from condensation.
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Overheated oil and fat can ignite, causing fire damage to the
ventilation hood.
Do not leave cookware, pans, and deep-fat fryers unattended when
cooking with oil or fat. Similarly, never leave an open flame
unattended when grilling.
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Fat and debris deposits impair the proper functioning of the
ventilation hood.
To ensure that cooking vapors are properly cleaned, never use the
ventilation hood without the grease filters in place.
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Please note that the heat rising from the stovetop during cooking
can cause the ventilation hood to become very hot.
Do not touch the housing or the grease filters until the ventilation
hood has cooled down.
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