Coltlite - LWN
Description
Coltlite LWN natural louvred ventilator, suitable for natural day to day ventilation and smoke control. Tested to and in compliance with EN 12101-2, and CE marked. For installation in the vertical only.
Detailed Description
Non-thermally broken extruded aluminium (46mm thick) outer frame with framed double glazed glass louvres into non-thermally broken frames.
Dimensions / size range
From 250mm to 1800mm in width, and from 200mm to 3000mm in height as one module.
Frame
Non-thermally broken, 46mm deep
Louvres
- 24mm overall clear toughened, float or laminated double glass (4-16-4).
- 24mm overall insulated metal skin panel infill.
Visible width of horizontal louvre frame 37mm when looking from the outside.
Dimensions / size range
150 - 350mm (depending on overall size of complete unit) with central pivot point. Blade frame to be a maximum of 37mm between glass surfaces.
Colours/ finishes options
- Polyester powder paint to a RAL colour, standard 75 mu
- Anodised, standard 20 mu
Fixing options
- Fixing to curtain walling using 20 to 40mm non thermally broken glazing frame adaptor
- Fixing to structural opening using either through frame or strap fixings.
Controls options
- Lever
- Crank handle
- 230 volt AC motor
- 24 volt DC motor
- Pneumatic cylinder
Frame mounted motor (hidden behind side frame profile) positioned at:
on either side frame and with a typical operation time of 15-30 seconds.
- Optional device to reduce the speed and force of closing louvres, to reduce the risk of finger squeezing (electric versions only).
If used as a smoke ventilator, activation is either by local thermal fuse which opens the unit at a pre-selected temperature, or by responding to an external release signal.
Performance
Tested to and in compliance with EN 12101-2 and CE marked.
