4If the product is installed inside a wall or a cabinet, in addition to thepreceding requirements, the ventilation area around the bottom, topand two sides must be at least 50% of the sealing surface to ensureproper ventilation.Installation RequirementYou can install the product in an unfixed or a wall-mounted way basedon your needs. The wall-mounted way can save a large amount ofspace.If the product is installed in an unfixed way, use the designated hangeror holder. If you want to use a self-made hanger or holder, ensurethat the bearing capacity of it is at least four times of the weight of theproduct, and the product is installed stably on it.If the product is installed in a wall-mounted way, the bearing capacityof the surface for installation must be at least four times of the weightof the product. If the surface for installation is the wall or the ceiling ofa building, the surface must be made of solid bricks, concrete or othermaterials with equal intensity. If the product is installed on a surfacemade of loose material such as an old brick wall, wood plank wall, solidbrick wall, or a metal or non-metal structure surface, or a surface witha thick decoration layer, take necessary consolidating measures toensure that the product is stably installed.Ventilationrequirements Distance to the surface for installation (cm)Nominal power Left andright sides Top Bottom BackGreater than 100 W 10 20 20 10BearingVentilation