mied to change the specicaons or to make modica-
ons of any kind, to this appliance.
• The method/products used to suspend the unit
must be t for the purpose.
• The minimum suspension height is 4.0m. .
• Install the unit with 2 persons, keeping in mind,
working at height and the weight of the unit.
• Take care and assign a safe area when working on
this appliance
• Use cered access equipment.
• Take care of personal safety. Use safety
gloves and safety shoes.
Each unit has been ed with 4 suspension eyes for use
with chains or steel wire (not included). Ensure the appli-
ance has an uninterrupted supply of air on both inlet &
outlet, a minimum clearance around the air inlet of 0.5m
should be observed.
Calculate the volume of the space in m3, mulply this by 2.
The resulng gure is the volume in m3/h needed by the
DSF destracaon fans.
Select the DSF model based upon air output, throw of the
unit and height of the room. Then simply take the calulat-
ed air volume and divide by the air volume produced by
your selected DSF model. The resulng gure is the qty
needed for your applicaon.
Selecng a DSF model with the highest air volume
is not nessecarily the best soluon. It is important to
achieve uniform air distribuon throughout the space,
for maximum comfort and reduced running costs.
Occasionally it will be nessecary to install more DSF fans
that calculaons indicate to achieve uniform air distri-
buon. In these scenarios, where possible, reduce the
model size and increase the quanty.
Always ensure the model of fan is capable of
being installed at the height you propose.
Posion the destracaon fan preferably towards the
end of the throw or area that is not directly served by the
heaters throw.
In general, a higher number of fans provides beer air dis-
tribuon.
Each DSF fan should be ed approx. 1.0m beneath the
roof or ceiling, but not closer than 0.5m. The distance be-
tween oor and fan may not exceed the distance stated in
the technical data as this will prevent the warm air from
reaching low level.
On the outlet of the DSF units are a series of twist and set
outlet louvres. It is essenal that these louvres be opened
before the fan unit is switched on for the rst me.
The louvres are intended to ensure that the airow from
the fan unit is correctly distributed. Each louvre should be
opened to an angle of at least 45O. Even with the louvres
set at maximum deecon, there will be a severe dra
when the unit is suspended too low.
Before starng installaon ensure that the
electrical circuit you are working on has been shut o.
This appliance must be earthed!
The installaon must comply with all applicable local and/
or naonal standards.
All DSF units are supplied fully wired and come with
a plug-in 2m ying lead. This should be connected to a
fused mains isolator (locally mounted).
The ed thermostat should be set to the temperature at
which the fan is required to be switched on (typically 2 to
5OC above ambient set-point).
Before starng maintenance make sure that
the electrical circuit you are working on has been isolat-
ed.
The appliance must be earthed.
The DSF unit does not need manual control, it is automat-
ic. Generally temperature seng has to be done by
the installer.
The user is allowed to do following sengs:
• Set the temperature at which the fan should ven-
late.
• Turn ON/OFF main switch
In areas where heavy dust is present, it may be necessary
to clean the fan & guard with compressed air once a year.
If the guard is covered with severe dust, the fan will not
provide opmal performance.
Check if the appliance turns ON and OFF as it should on
the thermostat.
Pay aenon on:
• The ON and OFF switching from the thermostat
• The smooth rotaon of the fan
• Remove any dust from the appliance
• Check that the fan does not have severe vibraon
because of unbalance on the fan blades
NOTE
IMPORTANT
WARNING!
WARNING!
