Wega, Nova and Stella are three Chilled Beams in the iQ Star® family. Together they offer virtually endless possibilities. Flexibility and energy efficiency are their characterizing features, both indispensable cornerstones for true Demand Controlled Ventilation. The modern office is dynamic. With laptops and mobiles we can work where we want and carry out our tasks wherever it’s convenient. Astra and Stella are the new chilled beams from Fläkt Woods with the high quality required to easily adapt to new conditions. Success in business today also calls for flexibility to meet new demands, where rearrangements of people, walls and furniture should be realized with a minimum of effort. Wega, Nova and Stella are designed for the modern offices, with equal focus on the importance of a productive working climate and the need to care for the environment. Wega is intended for flush-mounting installation whilst the Nova and the Stella beams are designed for exposed installation. Attractive designs, smart functions, flexible construction and energy saving features make these chilled beams true iQ Stars®. Wega, Nova i Stella to trzy belki chłodzące należące do rodziny iQ Star®. Ich możliwości są praktycznie nieskończone. Ich głównymi cechami charakterystycznymi są elastyczność w dostosowywaniu się do warunków projektowych oraz energooszczędność. Zalety wielce pożądane w przy realizacji wentylacji nadążnej. Współczesne biura są dynamiczne. Mając do dyspozycji laptopy i telefony komórkowe, ludzie mogą pracować w dowolnym miejscu pomieszczenia. Stella to belka którą w łatwy sposób można zaadaptować do zmieniających się aranżacji biurowych. Wega, Nova i Stella zostały zaprojektowane w odpowiedzi na potrzeby współczesnych biur, kładąc nacisk zarówno na wytwarzanie wysokiego komfortu pracy jak i na troskę o środowisko. Stella i Nova to belki wolnowiszące, natomiast Wega przeznaczona jest do montażu w płaszczyźnie stropu podwieszonego. Atrakcyjny wygląd, przemyślane rozwiązania, elastyczna konstrukcja oraz energooszczędność czynią te belki chłodzące prawdziwymi gwiazdami linii iQ Stars®.

1. iQ Star Stella
Energy efficient chilled beam
Starby Fläkt Woods

2. tella is our free-hanging multi-service Chilled Beam in the new iQ Star family.
It is characterized by modularity, flexibility, sustainability and energy efficiency.
Stella is developed specifically for the high demands of the modern, dynamic
office where an attractive design is equally important to cutting-edge energy
saving features. Thanks to pioneering nozzle technology and smart controls,
the air flow is always sufficient and adapted to just-in-time need. Stella’s
modularity and the Flow Pattern Control and Energy Control functions allow flexibility in
the office layout. Good indoor air quality is possible despite organizational changes and
renovations without the need to change the installation.
Boost, Normal or Energy Saving mode
The traditional office with rooms and cubicles that are occupied from 9 to 5 will soon be
a distant memory. Most office space is hardly ever used, or sometimes it is overused.
Stella’s smart control panel with Normal, Energy Saving and Boost modes enables easy
adjustment of the air flow. This means that whether an office or meeting room is empty or
crowded, the Stella beam provides sufficient air flow. Not only does it save a lot of energy
when the room is not in use, it also keeps the employees spry and alert. A good reason to
have high indoor air quality.
Flexible, comfortable and energy
efficient climate for the modern office
S

3. Flow Pattern Control
The unique Flow Pattern Control
(FPC) can direct the airflow up to 45
degrees through integrated vanes.
Different directions can be set at
sections of 300 mm in the beam.
Accessories
Flexibility is increased by the
numerous accessories available
for iQ Star. Not only is Stella
available with any equipment you
need, you also have the oppor-
tunity to customize its design.
Energy control
The new flexible nozzle
arrangement guarantees
high indoor air quality and
energy efficiency. A quiet
solution even when high
air flow is needed.
Stella

4. Increased productivity
and low energy costs
Demand Controlled
Ventilation
Today, most people spend over 90 per-
cent of their time indoors e.g. at home,
in schools, at hospitals and offices.
Breathing fresh indoor air is vital for
our health, performance and well-being.
Demand controlled ventilation provides desired ventila-
tion based on the actual occupancy of the room. It
increases indoor air quality and saves energy normally
wasted in ventilating unoccupied spaces. This can be
applied to areas where there are frequent changes in
occupancy, such as conference rooms, board rooms,
cafeterias etc. Field experience indicates that actual oc-
cupancy levels are at least 25% lower and perhaps as
much as 60% lower. In normal office building the offices
are not occupied more than 60% of the time during a
normal working day. This means that demand controlled
ventilation can reduce ventilation as well as heating and
cooling loads by 10%–30%.
ENERGYCONSUMPTION
DEMAND
CONTROLLED
VENTILATION

5. The STRA-14 room controller is
specifically developed for Stella.
It is pre-programmed for chilled beam
applications and contains a wide range
of control functions including a unique
three step air flow control for flexibility,
comfort and energy efficiency.
The user-friendly display enables
fast and easy access for change of
set-points and control parameters.
For optional integration with building
management systems, STRA-14 has
Modbus communication as standard.
For rooms with variations in occupancy,
the optional occupancy sensor
enables a control strategy where the
controller is in Energy saving mode
(reduced air flow and increased neutral
zone for heating and cooling) when
the room is unoccupied and thereby
energy is saved. When the occupancy
sensor is activated by presence in the
room, the controller shifts to Normal
mode and controls airflow, heating
and cooling for comfort.
Experience has shown that the level
of CO2
in a room is a reliable indicator
of the indoor air quality, and is there-
fore used as the determing parameter
in the integrated Energy Control in
Stella. A high level of CO2
in a room
indicates that the ventilation rate is
insufficient to obtain an adequate
indoor quality.
This is a common situation in
rooms with large variations or peaks
in load, therefore STRA-14 can be
equipped with an optional CO2
-sensor
and thereby offer a control function
where the controller shifts to Boost
mode if the level of CO2
exceeds
the set point value, in this mode the
integrated Energy Control opens and
the air flow is increased until the level
of CO2
has decreased to the lower set
point value.
The built in operator button on STRA-
14 can also be used to activate the
bypass mode, after 60 minute the
controller then change back to its
preset operating mode.
User-friendly controller for optimal performance
1 2 3 4 5 6 1 65432
1 2 3 4 5 6
1 2 3 4 5 6 1 65432
1 2 3 4 5 6
1 2 3 4 5 6 1 432
1 4 5 6
1 2 3 4 5 6 1 432
1
1 32
432
1
1
Pioneering nozzles
Stella always provides sufficient air
flow, whether the room is empty or
crowded. Choose Normal, Energy
Saving or Boost mode on the room
controller. The new flexible nozzle
arrangement guarantees high indoor
air quality and energy efficiency.
A quiet solution even when high
air flow is needed.

6. Flexible solutions for
your changing needs
The modern office is dynamic. Fast decisions in
organisational changes call for a modern ventilation
system that is easy to adjust to the rearrange-
ment of people, walls and furniture and to meet
the just in time need. Flexibility is an important
factor for optimized indoor air quality.
Open plan office – 100%
Airflow 2,0 dm3
/s, m2
Cooling 23°C/25°C
Heating 21°C/21°C
Heat loads Mo–Fr 08–16
– people 0,11 people/m2
– lighting 12,5 W/m2
– equipment 16,0 W/m2
Office energy saving mode – 0%
Airflow 0,6 dm3
/s, m2
Cooling 24°C/26°C
Heating 20°C/20°C
Heat loads
– people 0 people/m2
– lighting 0 W/m2
– equipment 0 W/m2
Office – 100%
Airflow 2 dm3
/s, m2
Cooling 23°C/25°C
Heating 21°C/21°C
Heat loads Mo–Fr 08–16
– people 0,1 people/m2
– lighting 12,5 W/m2
– equipment 15,0 W/m2
Open plan office – 50%
Airflow 1,0 dm3
/s, m2
Cooling 23°C/25°C
Heating 21°C/21°C
Heat loads Mo–Fr 08–16
– people 0,055 people/m2
– lighting 12,5 W/m2
– equipment 8,0 W/m2

7. IQ Chilled Beams
with FPC function
Highest possible efficiency can
be maintained by adjusting the
comfort control and air vanes!
A combination of different
angles on one side is possible.
When increased air flow is
required, the flow pattern
can be adapted to maintain
optimal comfort in the room!
Flexibility in the office layout
Good indoor air quality is possible despite
organizational changes and renovations
without the need to change the installation.
Thanks to the functions Energy Control
and Flow Pattern Control, the air flow can
be rearranged to fit a new layout of a room.
Before
(old office configuration)
After
(new office configuration)

8. Design your own customized Stella
Design is important for the indoor environment. Stella
has a modern standard design, but offers the opportunity
to create a unique design depending on room use and
personal taste. Design and colour - you decide!

10. The diagram shows the
approximate cooling effect
Ptot
in W with water flow qw
= 0.1 l/s, temperature differ-
ence between room air and
supply air ∆t = 8°C, pressure
drop 70 Pa on the air side
and max. sound pressure
level LA10
= 30 dB(A).
iQ Star Stella chilled beam – cross-section
Quick selection iQ Star Stella chilled beam
1002 overall width
338beamheight
115
Beam supply air slot
with FPC
Plain face central panel
for sprinkler and other services
Primary air beam duct entry spigot 125
22 supply and return
to rear beams (optional)
Heating
Return
Cooling
Return
Cooling
Supply
Heating
Supply
Sprinkler header and pipework fitted by others
Motorized Energy ControlM8 rod for fastening
Removable sideplate
for access during
installation/maintenance
Removable perforated plate
for access during maintenance
Plain faced infill panel between
light louvres for services
Luminaire with up- and down light
Area free from
obstructions
for up lighting
0
0 10 20 30 40
40
50
60
70
80
90
50
120
110
100800
600
400
200
1000
Cooling effect, W/m Static pressure, Pa
1100 6 65
5
32
2
1
1
4
4
3
Cooling effect/active m for position 1 - 6, W/m
Staticpressure,Pa
Supply air flow/active m for position 1 - 6, l/s, m

11. iQ Star Stella chilled beam
D74
541
A
B
CC
79 44
Ø125 Ø125
cw out Ø15
hw out Ø15
cw in Ø15
hw in Ø15
hw in Ø22 hw out Ø22
cw in Ø22 cw out Ø22
bbb = 101,111
bbb = 000
722
260
1002
226
264
338
156
648
267
309
79
cw out Ø15
ww out Ø15
cw in Ø15
ww in Ø15
1002
226
156
Dimensions
Size A B C D
180 1798 1546 – 116
240 2398 2138 1069 124
300 2998 2730 1365 132
Weight
Weight per meter of chilled beam kg/m
Beam dry weight 42.0
Beam water filled, cooling 43.4
Beam water filled, cooling and heating 43.8

12. We Bring Air to Life
Fläkt Woods Group SA
18, avenue Louis Casaï, CH-1209 Geneva, Switzerland
Tel. +41 22 309 3800
email info@flaktwoods.com www.flaktwoods.com
See global website for international
sales offices www.flaktwoods.com
FWG-StellaTechnicalSalesBrochure-GB-10-8895CCJKommunikation
Fläkt Woods is a global
leader in air management.
We specialise in the design
and manufacture of a wide
range of air climate and air
movement solutions. And
our collective experience
is unrivalled.
Our constant aim is to
provide systems that
precisely deliver required
function and performance,
as well as maximise
energy efficiency.
Air Handling Units (AHUs)
Modular, compact and small AHU
units. Designed to ensure optimisa-
tion of indoor air quality, operational
performance and service life.
Air Terminal Devices and Ducts
Supply and exhaust diffusers and
valves for installation on walls, ceiling
or floor are all included in our large
range and fit all types of applications.
Chilled Beams
Active induction beams for ventilation,
cooling and heating, and passive
convection beams for cooling. For
suspended or flush-mounted ceiling
installation – and multi-service config-
uration. With unique Comfort Control
and Flow Pattern Control features.
Residential ventilation
A complete range of products for
residential ventilation. Consists of
ventilation units, exhaust air fans and
cooker hoods designed to optimise
indoor comfort and save energy.
Energy recovery
Dessicant-based product and systems
that recover energy, increase ventilation
and control humidity.
Fans
Advanced axial, centrifugal and
boxed fans for general and specialist
applications. Comprehensive range
including high temperature and ATEX
compliant options. Engineered for
energy efficiency and minimised life
cycle cost.
Chillers
Air-cooled and water-cooled chillers
with cooling capacity up to 1800kW.
Designed to minimise annual energy
consumption in all types of buildings.
Controls and drives
Variable speed drives and control
systems, all tested to ensure total
compatibility with our products.
Specialist team can advise on energy
saving and overall system integration.
Acoustical Products
A complete line of sound attenuating
products, including rectangular and
round silencers, Media Free silencers,
custom silencers and acoustic
enclosure panels.
Solutions for all your air climate and air movement needs
Fläkt Woods is providing solutions for ventilation and air climate for buildings as
well as fan solutions for Industry and Infrastructure.