The louvred shutter on the
VA140 is thermo-electrically operated and is concealed behind the
interior grille. Operates automatically when the fan is switched On.
Trickle vent facility available on all models.
P models are fitted
with an On/Off pullcord which actuates both shutter and fan. Control can
be via a remote On/Off switch or through the lighting circuit, as
Timer models are
fitted with an electronic timer which provides the necessary 15 minute
overrun time to comply with Building Regulation requirements for
internal kitchens or kitchens that do not have an openable window.
Adjustable from 3-25 minutes.