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Technical description
Design
The square supply air diffuser consists of a diffuser backing box
and a diffuser face. The front is equipped with rotatable discs and
is available in two designs, with a circular disc pattern (EAGLE
Ceiling Circular, called EAGLE CC) as well as with a rectangu-
lar disc pattern (EAGLE Ceiling Rectangular, called EAGLE CR).
The diffuser face is hung on hinges on one side and secured by
springs on the opposite side. This Quick Access fastening system
makes it simpler and quicker to open and close the diffuser face
for installation, commissioning and cleaning. air diffuser is also
available in a low version for installation in a ceiling void where
low installation height is required. The air diffuser is then supplied
without sleeve coupling (not size 400-600).
Materials and surface treatment
The backing box and diffuser face are made of sheet steel.
The connection branch is made of galvanized sheet steel. The
interior and exterior of the air diffuser is painted in our white
standard colour, RAL 9003/NCS S 0500-N. The air diffuser is also
available in alternative standard colours: Dusty grey RAL 7037,
white aluminium RAL 9006, jet black RAL 9005, grey aluminium
RAL 9007 and white RAL 9010. The discs are made of plastic
(PP-polypropylene).
Accessories
Commissioning box:
ALS. Made of galvanized sheet steel. Contains removable com-
missioning damper, fixed measurement tappings and sound
absorbing material with reinforced surface layer*
sioning box is also available in a low version for installation in
a ceiling void where low installation height is required. The air
diffuser is then supplied without sleeve coupling. The commissio-
ning box is available with 1 or 2 changes in dimension between
the inlet and outlet. Tightness class C on the housing according
to SS-EN 12237 and VVS/AMA 12.
*
Fire Resistance Class B-s1,d0 according to EN ISO 11925-2.
)
Frame:
SAR K. For aesthetic installation of a lowered diffuser.
Adapter:
See the ADAPTER product sheet for adaptation to various vari-
ants and makes of systemized false ceilings: Ecophon, Gyproc,
Dampa etc. Also used for adaptation to optional sizes of lay-in
ceilings, for instance 625 x 625 or 675 x 675. Specification in
separate product sheet for ADAPTER.
Planning
The EAGLE Ceiling is available with square dimensions of 595 x
595 mm in all connection sizes. This makes EAGLE
Ceiling very easy to install in 600 x 600 suspended ceiling
modules. Position these directly down in the T-bar framework,
and then secure them to the duct system or to the
commissioning box. EAGLE Ceiling is also available in a
low version for installation in ceiling void where low installation
height is required. See Figure 2.
Installation
To dismantle the face (see Figure 1) prior to installing the air dif-
fuser, insert a thin object, such as a Quick Access card or similar
card, between the air diffuser face and backing box to release
the springs. Then slide the card from the centre outward toward
the corners. The inlet spigot of the diffuser backing box can
be secured to the connecting ducting by means of self-tapping
screws or a blind rivets. For flush-mounting in fixed ceiling
constructions, secure the diffuser by means of screws into place
in the framework through either the sides or top of the diffuser
backing box. The face and backing box in the version for low
installation height must be centred and jointed together using
the locking strip supplied. Secure the air diffuser in the correct
position by means of self-tapping screws to the underside of
commissioning box.
For mounting in modular suspended ceilings, it is advisable to
select air diffusers with outer dimensions of 595 x 595 mm.
Position these directly down in the T-bar framework, and then
secure them to the duct system or to the commissioning box.
If an ALS commissioning box is used, it must be secured to the
building structure by means of hangers or mounting brackets.
The distance between the air diffuser and the commissioning
box can be increased by as much as 500 mm with an ordinary
circular duct without having to lengthen the measuring tubes
. The commis-
)
and damper adjustment cords. See Figure 2
Commissioning
Commissioning must be carried out with the diffuser face
mounted. Pull out the measuring tubes and damper adjustment
cords through the diffuser face discs. Connect a manometer to
the measuring tubes. The desired commissioning pressure can be
computed by applying the rated coefficient of performance of
the air diffuser. Set the damper blade in the correct position and
tie the damper adjustment cords in a commissioning knot to
indicate the damper position.
Measurement accuracy and requirement on straight duct before
the commisioning box, see Figure 2. The requirements of straigh
duct depends on the type of disturbance before the commis-
sioning box. Figure 2 shows a bend, a dimensional change and
a T-piece. Other types of disturbances requires at least 2xD
straight (D = connection dimension) for measurement accuracy
of ± 10% of the flow.
The rated coefficient of performance (K-factor) is specified on the
identification label of the product and the relevant commissioning
instructions are also available at www.swegon.com.
Maintenance
The air diffuser can be cleaned, if necessary, using lukewarm
water with dishwashing detergent added. The duct system can
be accessed after opening the diffuser face. If an ALS commis-
sioning box is used, pull the distributor plate aside and then grip
and twist the damper unit from of its mounting. See figure 4.
Environment
The Declaration of construction materials is available at www.
swegon.com.
20190308
Swegon reserves the right to alter specifications.
EAGLE Ceiling
.
3
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