Do not deposit any flammable materials, liquids or gases in the vicinity of the fan → Danger to life: In the event of ignition or fire, hazardous substances can enter the rooms via the ventilation system.
Never operate the fan in an explosive atmosphere or in combination with a lab extraction unit → Risk of explosion due to explosive gases and dusts.
Grease and oil vapours from range hoods may soil the fan and air ducts and reduce efficiency. Never use fan to convey these substances→ unit damage.
Danger to life from carbon monoxide when operating with room-air-dependent fireplaces. Ensure sufficient supply air intake when operating with room-air-dependent fireplaces. Observe the maximum permitted pressure difference of 4 Pa. This model always requires the approval of a regional master chimney sweep.
Fan does not satisfy standard DIN 18017-3 for single air extraction systems. Do not use in systems in accordance with DIN 18017-3.
Never use the fan to convey chemicals or aggressive gases/vapours → Risk to health if these substances are spread throughout the rooms.
Never operate the fan during the construction phase. Fan and ducting can become dirty and damage the fan.