In-line Centrifugal Duct Fans


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  • <strong>Officially approved to EN12101-3</strong>

    Officially approved to EN12101-3

  • <strong>Continuous operation</strong>

    Continuous operation

  • <strong>Car Parks</strong>

    Car Parks

  • <strong>Commercial and industrial kitchens</strong>

    Commercial and industrial kitchens

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  • Download the catalog series in pdf


Smoke and hot gas extraction in case of fire.
Extraction of stale air from commercial and industrial premises.
Extraction of pollutants in professional kitchens.
Installation in all positions and connection on all faces.
Air stream temperature up to 120°C in continuous with motor at -10/+40ºC max. ambient air.

6 sizes: 355, 400, 450, 500, 630 and 710 Air performance range from 500 up to 24.000 m3/h.
ILHT CC ECOWATT: Fan with multidirectional inlet plenum, motor shaft horizontal or vertical.
ILHT MV ECOWATT: Ventilation unit only, motor shaft horizontal or vertical.

: variable air volume
- COP: constant pressure
- CAV: constant air volume with airflow display

- Panels made of galvanized sheet steel.
- Modular structure in aluminum profiles.
- 4 mounting brackets.
- Rectangular duct couplings.
- Direct drive centrifugal backward curved impeller manufactured from galvanized sheet steel.
- Full access for cleaning and maintenance without dismantling the fan from the duct system.
- Brushless motor, class F insulation with external IP55 control.
- External control fitted and wired, with:
• Single-phase supply 230V 50/60 Hz for models 355, 400 and 450
• Three-phase supply 400V 50/60Hz for models 500, 630 and 710.
• Thermal protections integrated
• Fault relay integrated
• Fan speed/set point adjustable with the potentiometer placed in the control or with an external control type REB ECOWATT. Analogical input to control the fan with 0-10V input signal.
• Modbus RTU to RS485 port
- ON-OFF electrical isolation switch.

On request:
For kitchen applications:
- Reinforced sealing with grease resistant seal.
- Condensation drain provided not mounted.
Two-speed motors (not ErP compliant)
- DISPLAY: For VAV and CAV versions.

Emergency Operation Mode
The ILHB/ILHT ECOWATT are approved for extraction of hot gases and smokes in case of fire. This operation mode is automatic and does not require any parameterization: in case of extraction of hot gas at a temperature higher than 200°C, the control automatically switches to high speed and inhibits the internal thermal protections.
- The emergency operation mode can also be activated manually with a BDRA control box (accessory).
- CAV / VAV / COP mod es are deactivated.
  • pdf_ins1 Ins-ILHB-ILHT_ECOWATT_En 1.63Mb
  • pdf_serie EN_ILHB-ILHT-ECOWATT 6.50Mb

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