Axial roof fan

EZD 25/4 D

Article number: 0087.0487
Manufacturer: MAICO
Axial roof fan, horizontal air outlet, DN 250, single-phase AC
Application examples: Production facility, Workplace, Commercial premises, Restaurant, Showroom
Product data sheet
EZD 25/4 D IM0009965.PNG Axial roof fan, horizontal air outlet, DN 250, single-phase AC

Characteristic curve

EZD 25/4 D - Characteristic curve

Dimensioned drawing

EZD 25/4 D - Dimensioned drawing [mm]

Technical data

EZD 25/4 D - Technical data

Article EZD 25/4 D
Air flow volume 750 m³/h
Rotating speed 1.425 1/min
Impeller type axial
Speed controllable
Reversing capacity
Type of voltage Alternating current
Rated voltage 230 V
Frequency 50 Hz
Nominal output 35 W
Inom 0,14 A
Imax 0,16 A
Degree of protection IP 54
Insulation class B
Installation site Roof
Installation position vertical
Material Sheet steel, galvanised
Colour Silver
Weight 11,66 kg
Weight including packaging 14,08 kg
Nominal size 250 mm
Width 570 mm
Height 570 mm
Depth 325 mm
Width with packaging 610 mm
Height with packaging 610 mm
Depth with packaging 360 mm
Airstream temperature at nominal current -20 °C up to 60 °C
Airstream temperature at IMax -20 °C up to 60 °C
Packing unit 1 piece
Range C
GTIN (EAN) 4012799874874
Article number 0087.0487

 

63 Hz

125 Hz

250 Hz

500 Hz

1 kHz

2 kHz

4 kHz

8 kHz

Total

LWA7, S5 (dB(A))

34

55

58

57

59

59

54

42

64

LWA7= housing and free inlet sound power level in dB.

Accessories

EZD 25/4 D - Accessories

General accessories

Product type Name Art. No. Price*(EUR) Action
Control shutter JRE 25 0151.0390 on request
  • On the notes
Servomotor MS 8 0157.0760 on request
  • On the notes
Servomotor MS 8 P 0157.0761 on request
  • On the notes
Protective grille, metal SG 25 0150.0115 on request
  • On the notes
Protective grille, synthetic material SGK 25 0059.0162 on request
  • On the notes
Flexible coupling ELA 25 0092.0266 on request
  • On the notes
Flexible cuff EL 25 0092.0088 on request
  • On the notes
Counter flange GF 25 0056.0003 on request
  • On the notes
Counter socket GS 25 0055.0169 on request
  • On the notes
Suction nozzle AD 25 0180.0620 on request
  • On the notes
Socket sound absorber SD 25 0092.0339 on request
  • On the notes
Main switch, service switch HS 3 0157.0736 on request
  • On the notes
Rotary switch DS 10 0157.0410 on request
  • On the notes
Reversing switch W 1 0157.0101 on request
  • On the notes
Reversing switch WU 1 Discontinued product 0157.0102 on request
  • On the notes
Step switch FS 4 0016.0104 on request
  • On the notes
Step switch, reversing switch FS 6 0016.0106 on request
  • On the notes
Contactor US 16 T 0157.0769 on request
  • On the notes
Speed controller STX 1,5 0157.1561 on request
  • On the notes
Reversing switch UWK 1 Discontinued product 0157.0817 on request
  • On the notes
5-step transformer TRE 0,4-2 0157.0156 on request
  • On the notes
5-step transformer, control cabinet TRE 1,6 S-2 0157.0162 on request
  • On the notes
5-step switch for TRE...S -2/ TR...S-2 5-step transformers ESS 20 0157.0749 on request
  • On the notes
Thermostat THR 10-1 0157.0191 on request
  • On the notes
Thermostat TH 10 0157.0764 on request
  • On the notes
Thermostat TH 16 0157.0748 on request
  • On the notes
Temperature control system EAT 6 TG Discontinued product 0157.0755 on request
  • On the notes
Air flow monitor LW 9 0157.0779 on request
  • On the notes
Air quality controller EAQ 10/1 Discontinued product 0157.0777 on request
  • On the notes
Roof socket for flat roofs SO 25 0093.0360 on request
  • On the notes
Roof socket for flat roofs, tiltable SOK 25 0093.0992 on request
  • On the notes
Roof socket for pitched roofs SDS 25 0093.0953 on request
  • On the notes
Roof socket for corrugated and trapezoidal roofs SOWT 25 0093.0985 on request
  • On the notes
Intermediate socket SZ 25 0092.0288 on request
  • On the notes
Speed controller, reversing switch STW 1 No longer available for delivery 0157.0813 on request
  • On the notes
Thermostat THR 10 No longer available for delivery 0157.0774 on request
  • On the notes
Thermostat THD 10 No longer available for delivery 0157.0775 on request
  • On the notes
Temperature control system EAT 6 G/1 No longer available for delivery 0157.0808 on request
  • On the notes
Speed controller ST 1 No longer available for delivery 0157.0810 on request
  • On the notes
Speed controller STU 1 No longer available for delivery 0157.0814 on request
  • On the notes
Temperature control system, power module EALT 6 No longer available for delivery 0157.0756 on request
  • On the notes

Product description

Productdescription

EZD 25/4 D

short description

Axial roof fan, horizontal air outlet, DN 250, single-phase AC

Product description

Brief description

  • 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 reinforced polyamide.
  • Fans meet the requirements of the European Ecodesign Directive (EC) No.327/2011 Directive 2009/125/EC.
  • Vibration-free running due to dynamically balanced impeller and motor (shaft-rotor), according to quality class 6.3, DIN ISO 1940, part 1.
  • High efficiency on the ventilation side, low operating noise.
  • Increased durability due to high-quality materials such as quiet ball bearings.
  • Fans are maintenance-free.
  • Can be switched to ventilation or air extraction with separate switch (exception EZD ... E).

Air flow direction

  • The air flow direction is marked.
  • Standard exhaust air mode, air flow direction with air blown across motor.

AC motor

  • EZD type series.
  • Asynchronous motor.
  • Rated voltage 230 V, 50 Hz.
  • Fans “... B” and “... D”: Capacitor motors with operating capacitor in terminal box.
  • Fans “... E”: Shaded-pole motors.
  • Degree of protection for EZD... D and ... E IP 54.
  • Degree of protection for EZD... B IP 55.
  • Speed-controllable. Exception: EZD 35/4 B.
  • Units can be steplessly controlled with optional speed controllers or they can be steplessly switched with an optional 5-step transformer.
  • Reversible. Exception: For fans with shaded-pole motor (“... E”).
  • Reversing mode: The volumetric flow is reduced by approx. 35 % with abnormal air flow direction.
  • Thermal overload protection as a standard feature.

Electrical connection

  • Connecting cable, approx. 1.7 m long.

Safety information

  • 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, e.g., with Maico SG protective grille.
  • A proper fixed installation in a horizontal installation position, a permanent electrical supply cable and correct air supply via shaft or duct is stipulated.

Special versions

  • The following special versions are available on request, at an extra cost:
    • Special voltages and frequencies.
    • 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.

Table of contents

Wiring diagram

EZD 25/4 D - Wiring diagram

EZD 25/4 D for ventilation (right-hand operation)

Right-hand rotation: EZD 25/4 D with air drawn across the motor



EZD 25/4 D for air extraction (left-hand operation, standard)

Right-hand rotation: EZD 25/4 D with air blown across the motor



EZD 25/4 D with VE shutter, RKP and MS 8, MS 8 P servomotor

* Limit switch only for MS 8 P



EZD 25/4 D with VE shutter, RKP and ST, STU, STS speed controller

* Limit switch only for MS 8 P



Predecessor - successor

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