Characteristic curve
Dimensioned drawing
EZS 30/4 B - Dimensioned drawing [mm]
- Steel wall plate = EZQ/DZQ model
- Steel wall ring = EZS/DZS model
Technical data
EZS 30/4 B - Technical data
Accessories
EZS 30/4 B - Accessories
General accessories
Product description
Productdescription
EZS 30/4 B
short description
Axial wall fan with steel wall ring, DN 300, single-phase ACProduct description
Features
- 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.
Special versions
- The following special versions are available at extra cost on request:
- Special voltages and frequencies.
- Single-phase motors with thermal contacts or PTC thermistor, with potential-free terminal connections.
- Condensation drainage holes.
- Fans with enhanced anti-corrosion protection.
- Impellers made of aluminium.
- Information on operation at temperatures occasionally below -20°C available upon request.
- If operating with frequency converters, the factory must be consulted.
- Feasibility must be checked in each case.
Wiring diagram
EZS 30/4 B - Wiring diagram
Downloads
EZS 30/4 B - Downloads
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