The requirement to leave a 30cm (or any specific measurement) gap above a combination microwave oven is typically included in the manufacturer's instructions for proper ventilation and safe operation of the appliance. While it might not be explicitly mentioned in the safety information, it is still an important consideration for the proper functioning of the microwave.
Here are a few reasons why leaving a gap above the appliance is recommended:
Ventilation: Microwaves generate heat during operation, and proper ventilation is crucial to dissipate this heat. Leaving a gap above the microwave allows for better airflow and prevents overheating. Without adequate ventilation, the appliance may not operate efficiently, and the excess heat can potentially damage the microwave or surrounding cabinetry.
Clearance for steam and odors: When cooking in a microwave, steam and odors can be released. Having a gap above the microwave allows these byproducts to dissipate more effectively, preventing moisture buildup and potential damage to surrounding surfaces.
Safety precautions: Leaving a gap above the microwave can also serve as a safety precaution. If the microwave generates excessive heat due to inadequate ventilation, it could potentially pose a fire hazard. Providing sufficient clearance reduces the risk of heat-related incidents.
It's important to follow the manufacturer's instructions and recommendations for the safe and proper operation of any appliance, including combination microwaves. While it might not be listed under the specific safety information section, the gap requirement is still crucial for the longevity and effective functioning of the appliance. If you have any concerns or questions regarding the instructions, it's advisable to contact the manufacturer directly for clarification.