Space-Ray DSF20 User manual

®
INSTALLATION MANUAL




This user’s guide is meant for the installer and if necessary
for the user. It’s a reference to operaon and installaon
of the DSF range of destracaon fans.

The DSF destracaon fan consists of a metal casing with
a bladed fan & motor ed within a fan guard. There is an
outlet with pressed louvers on the opposite side, which
enables the airow to be directed in the desired direcon.
A ed thermostat allows automac operaon.

The DSF destracaon fan is designed to be ed within
the roof space of a building to recirculate otherwise wast-
ed, warm air gathering within the roof space, to low level.
The ed thermostat automates this process.
i.e If the room thermostat is set at 25°C, it will switch the
fan on as soon as this temperature is achieved at ceiling/
roof level. The fan will stop when the thermostat detects
a reducon in temperature of approx 1.5°C.
The installaon of a correctly sized destracaon
system, pays for itself quickly due to the signicant energy
savings achieved

• The minimum suspension height is model depen-
dane, please check the technical data table below.
• Disconnect the appliance from the power supply
before performing maintenance on this appliance.
• Cauon, this appliance can start automacally!
• Take care of a safe area when working on this
appliance
• Use cered access equipment.
• Take care of your personal safety. Use safety
gloves and safety shoes.

Operaon/installaon of appliances not in accordance
with this manual will render warranty void. It is not per-

1. General 2
1.1 Descripon 2
1.2 Funcon 2
1.3 Warnings 2
1.4 Warranty 2
2. Technical Data 3
2.1 Dimensional data 3
3. Installaon 3

      
3 2450 3955 6800 8510 9700 11435
                9 10 12 14 18 20
 46789 10
 230V 1 Phase N & E - 50Hz
 1.9 2.4 4.8 6.8 6.6 10.6
 0.65 0.82 1.7 2.4 2.35 3.75
 49 50 50 53 55 58
 12 13 16 21 25 25



      
A606 606 606 744 744 744
606 606 606 744 744 744
C532 532 532 652 652 652
D532 532 532 652 652 652
E260 260 260 300 300 300
155 155 155 175 175 175
C
A

E




3.1 Suspension 3
3.2 Calculang number of fans required 3
3.3 Posioning 3
4. Electrical Connecons 3
4.1 230VacSupply 3
5. Electrical Connecons 3
5.1 Operaon 3
5.2 Maintenance 3


mied to change the specicaons or to make modica-
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 cered 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, mulply this by 2.
The resulng gure is the volume in m3/h needed by the
DSF destracaon 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 resulng gure is the qty
needed for your applicaon.
Selecng a DSF model with the highest air volume
is not nessecarily the best soluon. It is important to
achieve uniform air distribuon throughout the space,
for maximum comfort and reduced running costs.
Occasionally it will be nessecary to install more DSF fans
that calculaons indicate to achieve uniform air distri-
buon. In these scenarios, where possible, reduce the
model size and increase the quanty.
Always ensure the model of fan is capable of
being installed at the height you propose.

Posion the destracaon 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 beer air dis-
tribuon.
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 essenal that these louvres be opened
before the fan unit is switched on for the rst me.
The louvres are intended to ensure that the airow 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 deecon, there will be a severe dra
when the unit is suspended too low.

Before starng installaon ensure that the
electrical circuit you are working on has been shut o.
This appliance must be earthed!

The installaon must comply with all applicable local and/
or naonal 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 starng 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 seng has to be done by
the installer.
The user is allowed to do following sengs:
• 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 opmal performance.
Check if the appliance turns ON and OFF as it should on
the thermostat.
Pay aenon on:
• The ON and OFF switching from the thermostat
• The smooth rotaon of the fan
• Remove any dust from the appliance
• Check that the fan does not have severe vibraon
because of unbalance on the fan blades
NOTE
IMPORTANT
WARNING!
WARNING!

FACTORIES: IPSWICH, ENGLAND - CHARLOTTE, N.C, U.S.A
Gas Fired Products (UK) Ltd
Chapel Lane
Claydon
Ipswich
Suolk, IP6 0JL
Tel: [phone]
www.spaceray.co.uk
[e-mail]
®
DSF Manual Nov 2023