Centrifugal roof fan

DRD 22/4 B

No longer available for delivery
Article number: 0087.0101
Manufacturer: MAICO
No longer available for delivery
Centrifugal roof fan, vertical air outlet, DN 224, three-phase AC
Application examples: Production facility, Workplace, Commercial premises, Industrial building, Restaurant
Product data sheet
DRD 22/4 B IM0009963.PNG Centrifugal roof fan, vertical air outlet, DN 224, three-phase AC
Back
  • On the notes
ERD 22/4 B
DRD 22/4 B

Characteristic curve

DRD 22/4 B - Characteristic curve

Dimensioned drawing

DRD 22/4 B - Dimensioned drawing [mm]

  1. Clear width
  2. External duct diameter
  3. Number of holes: 3

Technical data

DRD 22/4 B - Technical data

Article DRD 22/4 B
Air flow volume 1.500 m³/h
Speed controllable ✔
Reversing capacity −
Rated voltage 400 V
Degree of protection IP 55
Installation site Roof
Installation position vertical
Material Sheet steel, galvanised
Weight 24,2
Weight including packaging 26,81 kg
Shutter integrated
Type of shutter Airstream-operated opening/closing
Nominal size 224 mm
Width with packaging 585 mm
Height with packaging 465 mm
Depth with packaging 585 mm
Packing unit 1 piece
Range C
GTIN (EAN) 4012799871019
Article number 0087.0101

Accessories

DRD 22/4 B - Accessories

General accessories

Product type Name Art. No. Price*(EUR) Action
Flexible coupling ELA 22 0092.0282 on request
  • On the notes
Socket sound absorber SD 22 0092.0338 on request
  • On the notes
Rotary switch DS 10 0157.0410 on request
  • On the notes
Contactor US 16 T 0157.0769 on request
  • On the notes
5-step switch for TRE...S -2/ TR...S-2 5-step transformers DSS 20 0157.0750 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
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 22 0093.0358 on request
  • On the notes
Roof socket for flat roofs, tiltable SOK 22 0093.0991 on request
  • On the notes
Roof socket for pitched roofs SDS 22 0093.0952 on request
  • On the notes
Roof socket for corrugated and trapezoidal roofs SOWT 22 0093.0984 on request
  • On the notes
Intermediate socket SZ 22 0092.0287 on request
  • On the notes
Thermostat THR 10 No longer available for delivery 0157.0774 on request
  • On the notes
Exhaust air silencer SDA 22 No longer available for delivery 0092.0386 on request
  • On the notes
5-step transformer TR 0,4-1 No longer available for delivery 0157.0370 on request
  • On the notes
5-step transformer TRV 1,0-1 No longer available for delivery 0157.0532 on request
  • On the notes
5-step transformer, control cabinet TR 0,8 S No longer available for delivery 0157.0741 on request
  • On the notes
Temperature control system ATS No longer available for delivery 0157.0759 on request
  • On the notes
Temperature control system, power module ATL 2,5 No longer available for delivery 0157.0757 on request
  • On the notes
Hygrostat HY 5 No longer available for delivery 0157.0123 on request
  • On the notes
Hygrostat HY 5 I No longer available for delivery 0157.0125 on request
  • On the notes
Hygrostat HY 10 AP No longer available for delivery 0157.0358 on request
  • On the notes
Hygrostat HY 10 UP No longer available for delivery 0157.0357 on request
  • On the notes
Motor protection switch MV 25 No longer available for delivery 0157.0712 on request
  • On the notes

Product description

Productdescription

DRD 22/4 B

short description

Centrifugal roof fan, vertical air outlet, DN 224, three-phase AC

Product description

Features

  • Attractive housing made of galvanised sheet-steel.
  • Cover easily detachable for cleaning purposes.
  • Galvanized protective grille on the discharge side, protection against accidental contact in accordance with DIN EN ISO 13857.
  • Sturdy eyebolts enable transport by crane.
  • Impeller with blades curved to the rear, dynamically balanced at two levels, in accordance with performance level 6.3, DIN ISO 1940.
  • Impeller made of glass-fibre filled polypropylene.

Three-phase AC motor

  • DRD model series.
  • Rated voltage 400 V, 50 Hz.
  • Thermal overload protection as standard feature, except: available on request for pole-changeable fans.
  • Potential-free terminal connections, which must be connected to an MV 25 protective motor switch or the control circuit of a contactor.
  • Pole-changeable fans: Ensure overload protection is guaranteed by a protective motor switch provided by the customer.
  • DRD 25/64 B: Star / delta switch must be provided by the customer.

Electrical connection

  • To terminal block in the service switch.

Safety instructions

  • The fan can be operated only if the protection against accidental contact with the impeller is guaranteed to be in accordance with DIN EN 13857 for fans with a free inlet.

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.
    • Fans with enhanced anti-corrosion protection.
  • 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

DRD 22/4 B - Wiring diagram









Predecessor - successor

Notes
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