EC ICQ-B Series – Square Centrifugal High Performance EC Duct Fans

EC ICQ-B Series square centrifugal duct fans designed for optimum sound levels.
They are high performance duct mounted units designed for medium to high pressure ventilation applications in commercial and industrial systems.
The range incorporates highly efficient electronically commutated (EC) motors with integrated control electronics, delivering precise airflow control, reduced energy consumption, and long service life. Suitable for supply or exhaust ventilation, the EC ICQ-B series can be installed internally or externally at any orientation and is ideal for applications requiring accurate airflow matching to real time demand.

Construction
The EC ICQ-B range features robust casings manufactured from galvanized sheet steel for durability and rigidity.
Backward curved centrifugal impellers are dynamically balanced and directly driven by high efficiency EC external rotor motors.
The unit incorporates flow grid for improved noise performance and high-performance impeller for high efficiency and quiet operation.
The GreenTech EC motor is very compact and has high efficiency and minimum noise emission.

Wiring
Fans are powered with integrated EC control electronics. Speed control can be achieved via external 0–10 V DC control signal or 10 kΩ potentiometer.
Refer to the latest individual model datasheets for detailed wiring diagrams and electrical specifications.

Testing & Compliance
Rated fan performance and sound data have been independently tested in accordance with the following standards:
Airflow performance: ISO 5801:2007
Sound data: ISO 13347:2004
Electrical installation: AS/NZS 3000 (installation requirement)