Exhausto BESF Series, Manual

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3004349_2017_08_03.fm
GB - BESF – Product information
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Cleaning The ventilator must be cleaned at least twice a year. To clean the ventilator:
Warning! If, once reassembled, the ventilator vibrates violently this might be due to an
imbalance caused by dirt on the centrifugal impeller.
Warranty EXHAUSTO provides a two-year factory warranty on the ventilator, valid from invoice
date.
Product
description EXHAUSTO BESF is a an easily serviced radial fan with forward curved blades. The fan
is insulated against fire, noise and heat with 30 mm of mineral wool. The fan impeller is
directly mounted on the motor shaft, thus reducing losses and wear and resulting in
lower repair costs.
Service and cleaning is done by opening the hinged cover. This provides access to all
parts in contact with the air. The motor is mounted outside the airstream.
The fan is supplied with mounting rails with vibration dampers. The fan is CE approved
and EMC tested in accordance with the applicable directives.
Materials used Cabinet, screw, fan housing and support rails are made of recycleable hot-dip
galvanised steel sheet. The insulation consists of mineral wool which can be recycled
after dismantling the fan. The gaskets consist of CFC and HCFC free cellular rubber.
The motor consists of aluminium, steel and copper, and in some cases a plastic cooling
jacket. The packaging consists of corrugated cardboard.
1.5 Service and cleaning
Step Action
1 Switch off the power supply to the
unit using the isolation switch
2 Open the service door.
3 Wash the ventilator housing and
the centrifugal impeller thoroughly
with soap and water. The parts
must be dry and the service door
closed before the ventilator is
restarted.
4 The centrifugal impeller can be
removed and cleaned.
Measure the exact position of the
impeller on the axle before
removing it. Make sure that any
weights on the centrifugal impeller
are not removed.
Make sure that cooling air can
move freely through the motor
cover.
Fig. 15
1.6 Environmental declaration