Rooftop fan EZD 25/4 D

verticalhorizontalreversible

•Housing, base plate, intake nozzle and rain protection cover made of galvanised sheet steel. •Galvanized protective grille on the discharge side, protection against accidental contact in accordance with DIN EN ISO 13857. •Sturdy eyebolts enable transport by crane. •8-blade impeller made of glass-fibre filled polyamide. Dynamically balanced at two levels, in •accordance with performance level 6.3, DIN ISO 1940, Part 1. •Can be switched to ventilation or air extraction (exception EZD ... E). Air flow direction •The following illustration shows the air flow direction: •Standard air flow direction: With air blown across the motor. •Reversing mode: With air drawn across the motor. •Reverse operation (exception EZD ... E): The volumetric flow is reduced by approx. 35 % with abnormal air flow direction. Motor •Asynchronous motor. •Reversible. Exception: Fans with shaded-pole motors (".../E"). •Thermal overload protection as a standard feature. AC motor •EZD model series. •Rated voltage 230 V, 50 Hz. •"../B" and "../D" fans: Capacitor motors with operating capacitor in terminal box. •"../E" fans: Shaded-pole motors, non reversible. •Degree of protection for EZD... D and ... E IP 54. •Degree of protection for EZD... B IP 55 Electrical connection •Connecting cable, approx. 1.7 m long. Safety instructions •The fan may be operated only if the protection against accidental contact with the impeller is •guaranteed to be in accordance with DIN EN ISO 13857.