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ECOtronic PowerLine EC – PCEEC31DD

ECOtronic PowerLine ECFantech EcoRange Energy Efficient Fans

Performance Curve - PCEEC31DD


The ECOtronic EC Series of Powerline centrifugal fan incorporates an IE5* rated Electronically Commutated (EC) shaft motor delivering ultra energy efficient operation with the benefit of in-built variable speed control. Via a range of common control signals, the ECOtronic can be easily designed into a Demand Control Ventilation system without the need for a VSD and overload protection.

The ECOtronic EC fans are a simple “plug and play” system which means installers do not need to have specialised control programming knowledge. The series is available in 4 sizes ranging from 315 to 450mm diameter.

  • EC motor features reverse polarity protection, locked rotor protection and soft start
  • No additional protection such as current overloads are required
  • Can be manually speed controlled by pressing 2 internal motor buttons
  • Can be remote speed controlled with either a 2-10V or 4-20mA input signal or a 10 to 95% frequency duty cycle
  • Can be run as an independent ventilation source or integrated into most building management systems
  • Maximum operating speed can be adjusted from 1800rpm to 200rpm
  • On board fault identification LED will flash according to fault type
  • Integrated “Fire Mode” function forces motor to continue working under adverse conditions (at full speed)
  • Easy to fit 35mm TDF profile flange connections.
  • Robust, yet lightweight galvanised steel construction.
  • Operating temperature: -20 °C to +60 °C when air velocity exceeds 5 m/s, otherwise -20 °C to +40 °C
Galvanised steel housings with 35mm TDF profile flange connections.
Direct drive centrifugal impellers are made from aluminium.
Type - electronic commutated (EC) motor.
Electricity supply - 220-277V single-phase, 50/60Hz.
Bearings - sealed-for-life, ball.
IP55 rating.
Internal Thermal Protection
Integral thermal overload protection is supplied as standard.
Air flow tests to ISO5801: 2007
Noise tests to BS848:Part 2, 1985
Special Note

EC motors should be directly connected to their appropriate AC supply. EC motors should not be regularly power cycled.
* The IE5 efficiency level is not currently defined by the IEC standard, however the intent is for IE5 motors to have approximately a 20% reduction in losses against IE4 motors.

Suggested Specification

The duct mounted fans shall be of the in-line centrifugal ECOtronic PowerLine Series as designed and manufactured by Fantech Pty Ltd and be of the model numbers shown on the schedule/drawings.

They shall include galvanised steel housings with 35mm TDF profile flange connections.

They shall be driven by a EC shaft motor with integrated speed controller and motor overload protection. The direct drive centrifugal impellers will be made from aluminium.

All models shall be fully tested as a complete assembled unit to ISO5801: 2007 for air flow and BS848:Part 2, 1985 for noise

Technical Data - PCEEC31DD

Speed [rps]Avg. dBA @ 3mkWatts (Input)Amps Max.°C Approx. Weight [kg]

Sound Data

Type631252505001K 2K4K8K
Inlet8983 757264 646256



*All dimensions in mm, unless otherwise stated

Wiring Diagram

Diagram shown is for single-speed only.
For 2-speed and special motors, contact Fantech for details.


Epoxy Coating
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Elta Group