Coltlite - LWT32

Description

Coltlite LWT 32 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

Thermally broken extruded aluminium outer frame, 47mm thick, with framed louvres set into thermally broken frames.

Dimensions / size range

From 250mm to 1800mm in width, and from 200mm to 3000mm in height as one module.

Frame

Thermally broken, 47mm deep. Glazing seals comprise double weather strips with a nylon lip between, and the horizontal glass edges of the louvres are enclosed with aluminium sections which have two overlapping weather seals for excellent air-tightness.

Louvres

• 32mm overall clear toughened, float or laminated double glass (6-20-6).
• 32mm overall insulated metal skin panel infill.

Visible width of horizontal louvre frame 44mm when looking from the outside

Blade Pitch

150- 350mm (depending on overall size of complete unit) with central pivot point. Blade frame to be a maximum of 44mm 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 24 to 36mm 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:

• Top
• Bottom

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