TOURELLES HELICOIDES
Series HGHT-V

Roof-mounted axial flow fans, with vertical air discharge configuration, designed for smoke extraction in fire conditions.
F300/F200-120 and F400-120 certification for dual purpose as per EN 12101-3, CE marked.
Casing formed from rolled sheet steel welded at the base with a corrosion-resistant hot-dip galvanised finish to EN 1461. , Corrosion category C4.
Backdraft shutter and bird-proof outlet guard. Cylindrical casing formed from rolled sheet steel protected against corrosion by a grey polyester paint coating. Corrosion category C3H.
Variable pitch angle impeller, dynamically balanced to ISO 14694: G6.3, made from high-grade aluminium blades locked within a pressed sheet steel hub.
Electrical isolator IP65 fitted to fan casing.
Three-phase motor, IP55, Class H.
Standard operating temperature range -20ºC to +40ºC.

Motors
Single speed 4 pole.
Two speed 4/8 pole.
IE3 efficiency category from 0.75kW onwards, IE2 minimum for lower kW motors. Not applicable to 8 pole or two-speed motors.
220-240/380-415V-50Hz up to 3 kW.
380-415V-50Hz, for higher power motors and two-speed motors.
Suitable for inverter control.
In emergency operation, no need for DOL or de-rating, provided the VFTM range of VSDs is used, and/or requirements defined in EN 12101-3 are followed.
(60Hz version available in EasyVent).

Additional information
Standard air direction Motor-Impeller (Form A).

On request
Single speed 6 pole motors.
Two speed motors in 4/6 and 6/12 poles.
Motors with PTC thermistor or heating resistors.
Paint finish.

Check EasyVent to select the most suitable configuration for the installation, and obtain the corresponding datasheet.