Wall fan EZQ 20/4 E

high-performancereversibleaxial

Axial wall fan with square wall plate, DN 200, single-phase AC •Yellow chromated protective grille on the intake side, potection against accidental contact in •accordance with DIN EN ISO 13857. •8-blade impellers 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 fitted in any position. •Air flow direction •The following illustration shows the air flow direction: Air flow direction A: With air drawn across the motor, standard Air flow direction B: With air blown across the motor, available on request Rotational direction Reversing mode: The volumetric flow is reduced by approx. 35 % with abnormal air flow direction. Motor Asynchronous motor. Speed controllable. Exception: Type EZQ 45/6 B, EZS 45/6 B, DZQ 40/2 B and DZS 40/2 B. Reversible. Exception: Fans with shaded-pole motors (...-E). Not suitable for ventilating steam-saturated air. AC motor EZQ and EZS model series. Rated voltage 230 V, 50 Hz. Thermal overload protection as a standard feature. "../B" fans: Capacitor motors with operating capacitor fitted to protective grille or to wall sleeve, IP 55 degree of protection. "../D" fans: Capacitor motors with operating capacitor in terminal box, IP 54 degree of protection. "../E" fans: Shaded-pole motors, non reversible, IP 54 degree of protection. Electrical connection To terminal block under the motor cover. 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.