Liberator Powered Ventilator Specification

Description

Colt Liberator dual purpose mechanical ventilator, for day-to-day and smoke ventilation. 800mm nominal fan size.

Installation options

  • T-Liberator: Roof mounted with four spring loaded shutters and an aerodynamic cowl
  • W-Liberator/Flap: Roof mounted with single insulated flap
  • W-Liberator/Flap: Wall mounted with single insulated flap
  • W-Liberator/FCO: Wall mounted with louvred ventilator

Shutter version with a flap as termination: Opened by a gas spring and closed with a cable operated by a rotary electric motor. In the event of a fire, this flap is locked in the open position. Fusible links to open the shutter at a pre-defined temperature.

Shutter version with a louvred ventilator as termination: Opened by a spring mechanism and closed by a rotary electric motor. Fusible links as additional safeguard to open the shutter at a pre-defined temperature.

Max. air flow

Single speed:

  • T-Liberator: 5.95 m³/s
  • W-Liberator: 6.12 m³/s

Motor power (full speed)

  • 0.75 and 1.5 kW

Protection

  • IP 55
  • Insulation Class H

Noise output

  • Maximum 76.5. dB(A) at 3m

Certification

Tested in accordance with EN 12101-3: 2002 and fully CE marked.

Temperature and time classification to BS EN 12101-3

  • F200 (200°C for 120 minutes)
  • F300 (300°C for 60 minutes)
  • F400 (400°C for 120 minutes)
  • Roof mounted with four spring loaded shutters fulfils snow class SL 125
  • Roof mounted with single insulated flap fulfils snow class SL 500

Finish

  • Mill finish
  • Polyester powder coated (RAL colour)
  • Special finish (PVF2)