Fläkt Woods now offers a new Box Fan range which incorporates energy
conscious EC motors, which help to deliver higher fan efficiencies
and lower energy consumption.
The Company has developed this new product range to deliver
performance in line with current Part L building regulations,
meeting the drive for tighter efficiencies, as well as conforming to
ever changing circumstances, by providing ventilation on demand.
The new EC TwinBox Fan product is designed to be energy efficient
and have a small footprint. Controls are integral and feature the
Fläkt Woods, ‘2nd generation’ intelligent fan controller, which has
a simplified control interface, making installation and
commissioning easy.
The New EC TwinBox product delivers air volumes up to 1.7 m3/s,
against static pressures of up to 870 Pa. By incorporating EC motor
technology, energy usage is minimised, which means that specific fan
powers are low. Motors feature a soft start function, which reduces
starting currents as well as mechanical stresses, helping to make
this product more reliable and extending its lifespan. Associated
cabling and control gear costs are also reduced.
The flexible control strategy, which is an integral part of the
intelligent fan controller, makes it easy to customise the product
to suit either variable or constant pressure systems. The processor
at the heart of the intelligent fan controller is designed to
respond to input signals received from a range of sensors, which
include PIR, pressure, air quality, temperature and humidity
sensors, which can be used to vary the fan extract rate to precisely
match the demand.
All sensors are supplied with a 10m length of cable attached, which
can be wired and terminated on site, into a connection plug, which
is fitted inside the intelligent fan control unit (ICU). This
revised connection strategy is designed to make on-site installation
of cabling more straight-forward, while standardised connection
logic makes cable connection to the ICU plug, easy.
As no interconnecting wiring is required between sensors and their
associated valves, or from dampers (at extraction points) back to
the fan, installation is simple. In addition, labour costs are
reduced when compared to conventional systems.
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