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Heritage Ultra Series – HUD456

Heritage Ultra Series

Performance Curve - HUD456


The Heritage Ultra Series of vertical exhaust roof units has been designed for use in ducted exhaust applications. It features a high performance Mixed-Flow fan and removable windband which makes cleaning and maintenance easy.

There are 9 sizes in the series extending from 250 to 630mm diameter.

  • Durable galvanised steel construction.
  • Designed to handle clean air, grease laden air, toxic and noxious gases.
  • Motor is mounted out of the airstream.
  • Special finishes, such as epoxy coating can be supplied.
  • Available in a range of speeds to suit specific applications.
  • Windband can be easily removed to allow easy access for cleaning and maintenance.
  • Can be mounted at angles up to 15°.

Cowls are of galvanised steel and can be coated as an optional extra.
Impellers are Mixed-Flow design.
Windband is fitted with quick-release toggle clamps to facilitate cleaning and maintenance.
Stainless steel construction is an optional extra.


Type - standard TEFC squirrel cage induction motors.
Electricity supply - three-phase to suit a wide range of voltages and frequencies.
Bearings - sealed-for-life, ball.
Speed-controllable using variable speed drives.
Multi-speed motors can be supplied.

Internal Thermal Protection
Thermistors can be fitted on request
Air flow tests based on ISO 5801
Noise tests based on ISO 13347-3

Suggested Specification

The roof ventilators shall be of the Heritage Ultra vertical exhaust series as designed and manufactured by Fantech Pty. Ltd and be of the model numbers shown on the schedule/drawing.

The cowl shall be of galvanised steel unless specified otherwise. Impellers shall be Mixed-Flow design and driven by standard TEFC motors unless specified otherwise.

The windband shall incorporate quick-release toggle clamps to provide easy access for cleaning and maintenance.

All models shall be fully tested as a complete assembled unit to ISO5801: 2007 for air flow. Noise tests shall be based on ISO13347-3

Technical Data - HUD456

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

Sound Data

Type631252505001K 2K4K8K
Inlet6474 706660 605446
Outlet6874 717067 635646



*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.


Elta Group