Axial roof fan

DAD 90/4

Article number: 0073.0077
Manufacturer: MAICO
Axial roof fan, horizontal air outlet, 4-pin, DN 900, three-phase AC
Application examples: Production facility, Workplace, Commercial premises, Industrial building
Product data sheet
DAD 90/4 IM0020596.PNG Axial roof fan, horizontal air outlet, 4-pin, DN 900, three-phase AC
Back
  • On the notes
DAD 63/6
DAD 63/4
DAD 71/6
DAD 71/4
DAD 80/6
DAD 80/4
DAD 90/6
DAD 90/4

Characteristic curve

DAD 90/4 - Characteristic curve

Dimensioned drawing

DAD 90/4 - Dimensioned drawing [mm]

Technical data

DAD 90/4 - Technical data

Article DAD 90/4
Air flow volume 45.000 m³/h
Air volumenom 30.483 m³/h / in opt. efficiency
Pressure pfs, nom 358 Pa / in opt. efficiency
Rotating speed nnom 1.440 1/min / in opt. efficiency
Rotating speed 1.440 1/min
Impeller type axial
Speed controllable ✔
Reversing capacity −
Type of voltage Three-phase AC
Rated voltage 400 V
Frequency 50 Hz
Nominal output 9.200 W / in opt. efficiency
Inom 16,71 A / in opt. efficiency
Degree of protection IP 55
Insulation class F
Pole-changeable −
Installation site Roof
Installation position Vertical
Housing material Sheet steel, galvanised
Impeller material Polyamide
Colour grey
Weight 210 kg
Weight including packaging 238 kg
Nominal size 900 mm
Width 1.600 mm
Height 780 mm
Depth 1.600 mm
Width with packaging 1.700 mm
Height with packaging 790 mm
Depth with packaging 1.700 mm
Airstream temperature at IMax -15 °C up to 50 °C
PTC DIN 44082 M 100
Packing unit 1 piece
Range C
GTIN (EAN) 4012799730774
Article number 0073.0077
Article DAD 90/4
Total efficiency η 39,85 %
Measurement category C
Efficiency category static
Efficiency level N 40,2
VSD necessary No
Year of manufacture see rating plate
Manufacturer’s name / official registration number / manufacturer's place of establishment Maico Elektroapparate-Fabrik GmbH / Freiburg registration court, HRB 601233 / see mounting instructions
Art. No. 0073.0077
PBEP / Air volumeBEP / Pfs, BEP 7,873 kW / 30.483 m³/h
nBEP 1.420 1/min
Specific ratio ≈ 1
Information about dismantling and disposal see mounting instructions
Information about installation, operation and repairs see mounting instructions
Objects used to measure efficiency which are not described by the measurement category -
IBEP 16,71 A
pf, BEP 358 Pa
Sound power levelLWA7 94 dB(A)

 

63 Hz

125 Hz

250 Hz

500 Hz

1 kHz

2 kHz

4 kHz

8 kHz

Total

LWA5, S5 (dB(A))

67

76

82

86

88

88

87

80

94

LWA5= free inlet sound power level in dB.

Product description

Productdescription

DAD 90/4

short description

Axial roof fan, horizontal air outlet, 4-pin, DN 900, three-phase AC

Product description

Features

  • Axial roof fan for commercial and industrial buildings as well as large-volume rooms and systems.
  • Suitable for extracting large volumes of air.
  • High efficiency.
  • Low noise level.
  • Simple installation.
  • Connection to ducts possible.
  • Suitable for temperature ranges from -15 °C to +50 °C.
  • Housing made of epoxy-coated sheet steel.
  • Axial impeller made of glass fibre-reinforcing polyamide.

Motor

  • Asynchronous three-phase AC motors.
  • Protection class IP 55.
  • IE3 motor.
  • S1 operating mode (continuous operation).
  • Speed-controllable with frequency converter.
  • Permissible frequency range for speed control with frequency converter 20-50 Hz.
  • The temperature in the fan motor is monitored by PTC thermistors. The PTC thermistors must be connected to a release system, that permanently disconnects the fan from the power supply if the temperature is too high.

Electrical connection

  • Connection in the terminal box on the motor.

Safety instructions

  • Connection to terminal block in the housing.

Special versions

  • The following special versions are available on request, at an extra cost:
    • Versions with aluminium weather protection hood (max. up to nominal width 800).
    • Versions with aluminium impellers.
    • Versions with double polarity.

Table of contents

Wiring diagram

DAD 90/4 - Wiring diagram



Predecessor - successor

Notes
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