NATURAL VENTILATION SYSTEM The Complete Solution - Gilberts ...

Mistrale NaturalVentilationModel EExhaust unit without Heating CoilModel E is primarily intended for installation at high wall orstack level to provide an external outlet for the warm staleexhaust air. Depending on the functional area units mayrequire an insulated damper or non insulated bladedamper. With no air tempering requirements in theseareas no heating/cooling coil options are available.A typical arrangement (as illustration) comprises• External Louvre - Standard high efficiency weatherlouvre with choice of flange, channel or windowbeading fixing frame options.• Volume Control Damper - Volume control dampermay be insulated or un-insulated and with Manualor Motor control.Size RangeEffective damper size (internal blade area).Width - 300 up to 2000 in 100mm increments.Height - 206 up to1006 in 100mm increments.Structural opening sizesDamper width +200mmDamper height +110mmExternal LouvreBoth the external louvre and the fasciagrille finished to standard BS/RAL colours.Dim ‘A’ WG/100 - 121mmWH/75 - 121mmWG/75 - 72mmWG/38 - 50mmFixing OptionsLouvre GlazingBeadChannel LouvreFlanged Louvre10