ZEB EC – Helios – Central Ventilation Box Central ventilation box in a compact design, with four exhaust air sockets and one air outlet socket Robust housing made of impact-resistant plastic, light gray. The three intake and air outlet connections are designed for pipes of NW 100 and 125 (4 reductions included in the scope of delivery). Fan operation possible in three stages using the DSZ operating switch (accessory). For individual power adjustment, nine speeds are available through DIP switches on the drive electronics. Low-noise radial impeller made of steel in an aerodynamically optimized spiral. Inflow via nozzle. Energy-saving electronically commutated direct current external rotor motor with ball bearing for continuous operation. High efficiency even with regular operation. Maintenance and radio interference free. Product PDF: ZEB
