UniVent Natural Ventilation System

From £8,513.00

The UniVent Natural Ventilation System is a BRE Shaft System made up of AOV Kits. It is designed to exhaust smoke from the common lobbies through a builder’s work shaft and operates automatically via smoke detection.

Kit Type
One Lobby Vent AOV Kit E is required per building floor. Adjust the amount of kits based on the number of floors in your building.
SKU: AOV-UNIVENT Category:

The UniVent Natural Ventilation System is designed to exhaust smoke from the common lobbies through a builder’s work shaft and operates automatically via smoke detection. Each lobby contains a multi compartment smoke control damper that discharges into a builders work smoke shaft that rises to roof level where smoke is evacuated via a natural smoke ventilator. A lobby interface panel is located on each floor that contains a battery backed up power supply and has connections for a local maintenance switch and smoke detectors or a fire alarm interface unit. Replacement air for the system is provided by an automatic opening ventilator at the head of the stairwell.

BRE Shaft Components

Stairwell Vent Kit

A stairwell ventilator/stairwell AOV is an automatic opening ventilator (AOV) that provides at least 1.0m2 of free area when open.

AOV Kit C – Hatch Stair Vent and Controls comprises of:

  • 1 x 1.0m2 Hatch Vent with Polycarbonate Lid or Sandwich Panel
  • 1 x EV-301-MC-BB – EV-301 AOV Control Panel
  • 2 x EV-HE077 – Firemans Override Switch

Head of Shaft Kit

Smoke shaft AOV Kits are used for natural ventilation where the head of the shaft ends with an automatic opening ventilator (AOV).

AOV Kit G – 1.5m² Hatch Smoke Shaft Vent and Controls comprises of:

  • 1 x 1.5m2 Hatch Vent, (vent throat dimensions: H:1600mm x W:1100mm – Hinge Side)
  • 1 x EV-301-MC-BB – EV-301 AOV Control Panel

Lobby Vent Kit

A smoke shaft lobby vent is a multi-compartment smoke control damper compliant with BS EN 12101-8. One Lobby Vent Kit is required per building floor.

AOV Kit E – Lobby Vent Damper Into Shaft comprises of:

  • 1 x Damper: 1.0m2 c/w 24v actuator
  • 1 x EV-301-MC-BB – EV-301 Control Panel
  • 1 x EV-HE077-GRY – Maintenance Switch
  • 1 x EV-SD – Photoelectric Smoke Detector

Component List

1.0m² Hatch Vent

With a choice of Polycarbonate or Sandwich Panel lid, our low profile hatch vent can be installed onto flat or sloping roofs providing ventilation.  Certified to EN 12101-2 this vent provides discharge of smoke and fumes with an opening angle of 140 degrees.

1.5m² Hatch Vent

With a Polycarbonate lid, our low profile hatch vent can be installed onto flat or sloping roofs providing ventilation.  Certified to EN 12101-2 this vent provides discharge of smoke and fumes with an opening angle of 140 degrees.

Lobby Vent Damper and Grille

24V smoke damper for use in smoke control systems serving multi-storey buildings for both domestic and commercial UniVent smoke ventilation shafts. The sleeved casing allowing the main damper assembly to be fully recessed, with internal surfaces painted black allowing them to be hidden by the easy-fit grille.

EV-301 Smoke Ventilation AOV Control Panel with Battery Back-up

The CE-marked for smoke control use (tested to EN 12101), control panel monitors and controls smoke control ventilators and interface devices all with the added security of a battery back-up.  The innovative design provides a programmable facility (via DIP switches) for limited ventilation (used on day-to-day ventilation to prevent AOV windows opening fully) and timed openings used in conjunction with a thermostat for corridor cooling.

Firemans Override Switch

Providing local override control with a visual and audible indication in accordance with BS EN 12101 Part 9 and BS ISO 21927 Part 9.  Two buttons provide override open, close and reset functions and three coloured LEDs with an audible buzzer indicate system health, fault and alarm status.

Maintenance Switch

Tamper-proof switch for testing and monitoring smoke control systems with a visual and audible indication in accordance with BS EN 12101 Part 9 and BS ISO 21927 Part 9.  Two buttons provide override open, close and reset functions and three coloured LEDs with an audible buzzer indicate system health, fault and alarm status.

Photoelectric Smoke Detector

The Easivent photoelectric smoke detector uses a state-of-the-art optical chamber combined with an application-specific integrated circuit to provide quick and accurate detection of fires. The detector has an integral LED, which illuminates to provide a local alarm signal. This latches on and remains illuminated until the detector is reset by a momentary power interruption.

Please note: As per our terms of sale this product is non-refundable.

Under the Construction Products Regulations (CPR) it is a legal requirement to use only certified products for smoke ventilation. It is the responsibility of the installer to ensure installations meet the relevant standards. For more information see SCS Group’s Technical Bulletin.

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