ROOF MOUNTED AXIAL FLOW FANS
THGT-HATCH Series

Combining a motorized hatch enclosure and a mechanical extract fan, the THGT-HATCH is a roof-mounted unit designed for vertical smoke extraction in fire conditions.
Certified F300/F200-120 and F400-120 for dual-purpose use in accordance with EN 12101-3 (0370-CPR-6216 and 0370-CPR-6213 respectively).
Use EasyVent to select the most suitable configurations for your installation and download the corresponding datasheets.

Fan
THGT series fan, certified with the AMCA Seal for Air and Sound Performance.
Long casing configuration and Form A, providing easy access to the impeller for maintenance.
Casings made from rolled sheet steel with a corrosion-resistant hot-dip galvanized finish according to EN 1461. Corrosion category C4.
Variable pitch angle impeller, dynamically balanced to ISO 14694: G6.3, made from high-grade aluminum. Hubs manufactured from either aluminum or pressed sheet steel, depending on diameter and temperature requirements.
F400-120 2-pole model features a one-piece cast aluminum impeller and hub.

Hatch
Designed for easy installation and commissioning, energy efficiency, and resistance to harsh weather conditions.
Standard base design for flat surface mounting, finished in Magnelis. Corrosion category C5.
Mounting through roof beams or purlins is possible using the JBS-HATCH accessory. Corrosion category C4.
Airtightness < 3 m³/h/m² @ 50Pa.
Thermal insulation value U = 0.42 W/(m²K), achieved through thermal bridge break.
Snow Load SL 1000 @ T(-25°C).
Wind Load WL 1500 (sizes 1, 2 & 3) and 1000 (size 4).
Operating temperature range: -25°C to +40°C.
Opening mechanism rated for 20,000 cycles.
Includes contacts for open/closed HATCH position monitoring.
Motor and actuator connections via separate external IP65 terminal boxes.

Motors & Actuators
Single-speed motors available in 2 and 4 poles.
Two-speed motors available in 4/8 poles.
IE3 efficiency rating from 0.75kW and above; IE2 minimum for motors below 0.75kW.
Not applicable for 8-pole or two-speed motors.
F300-120 & F400-120 motors are IP55, insulation class H.

Electrical Supplies:
Three-phase 230/400V 50/60Hz up to 3 kW.
Three-phase 380/415V 50Hz for higher power and two-speed motors.
Motors suitable for inverter (VSD) control.
In emergency operation, no need for DOL (Direct-On-Line) or power derating, provided the VFTM range of VSDs is used and/or EN 12101-3 requirements are followed.
Actuators: 220-240V 50Hz IP65.

Other Data
Standard airflow direction: Motor to Impeller (Form A).

On Request
Single-speed motors in 6 poles.
Two-speed motors in 2/4, 4/6, and 6/12 poles.
Paint finish in RAL colours.
Motors with PTC thermistors or heating resistors.