Swegon EXP Free b User manual

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Installation
The air diffuser is normally suspended from the ceiling.
An M8 pop nut, i.e. a threaded grommet that facilitates
installation, is provided at the top and in the centre of the
air diffuser. On sizes 315 and 400, there are two M8 pop
nuts for more stable mounting, see figure 1 and 3.
Alternative installation in pre-punched Ø10 mm hole, see
figure 3b.
Commissioning
Commissioning should be carried out with the wall dif-
fuser face mounted. Pull the measuring tubes and damper
adjustment cords out of the air diffuser through the hole
in the front. Then connect the manometer to the cor-
rect measuring tube(s); A transparent measuring tube for
extract air. The rated coefficient of performance of the
air diffuser can be used in a calculation to determine the
required commissioning pressure. Conclude commissio-
ning by adjusting the damper to the correct blade posi-
tion, tie a commissioning knot in the damper cords to
indicate the damper position. See Figure 1.
The K-factor is specified on the product’s identification
label and last in these instructions.
Maintenance
• Clean the air diffuser if needed with lukewarm water
and dishwashing detergent added.
• The duct system can be accessed by lightly pulling
the spring-loaded diffuser face downwards and then
tilting, see figure 4.
• Dismantle the perforated air distribution plate located
on the inlet as shown in figure 5.
• Loosen the damper in the inlet from its bayonet fastening
by rotating to the side.
Figure 1. Installation. Commissioning. Maintenance.
q= measured flow l/s
p= current pressure reading (Pa)
k= commissioning factor
k-factor
0xD / ±5% 0xD / ±5% 2xD / ±10%
Figure 2. Length of straight section of duct
EXP Free b
Installation – Commissioning – Maintenance 20220217

Figure 5. Dismantling the distribution plate.
Figure 3a. Extra M8 pop nut, size 315 and 400.
Figure 4. Spring-loaded front.
Applies only for
size 315 & 400.
We recommend wearing gloves as there is
a risk of cut injuries to the hands/fingers.
Figure 3b. Alternative installation in pre-punched Ø10 mm hole.
M8 threaded rod
for oscillation
Installed directly on the
ceiling
EXP Free
2Swegon reserves the right to alter specications. 20220217

Figure 6. Damper installation and dismantling.
The number holes in the damper
must correspond with the number
of holes in the sleeve plate
The damper is turned anticlockwise and
pulled out.
The number holes in the damper
must correspond with the number
of holes in the sleeve plate
We recommend wearing gloves as there is
a risk of cut injuries to the hands/fingers.
3
20220217 Swegon reserves the right to alter specications.
EXP Free

Figure 7. EXP Free.
K-factor (COP)
EXP F extract air
Size EXP F extract air Colour of the tube
100 5,3 Transparent
125 8,6 Transparent
160 14,5 Transparent
200 24,1 Transparent
250 36,3 Transparent
315 57,5 Transparent
400 82,4 Transparent
Number of measuring tubes: 1
NOTE! The blue tubes can be used if the product is converted
for supply air with the distributor being replaced with nozzles
for COLIBRI Fb and EAGLE Fg.
Dimensions and weight
Size A B C D E Weight, kg
100 304 192 118 99 96 2,8
125 380 217 210 124 108 3,7
160 456 252 220 159 126 5,0
200 568 288 230 199 144 7,5
250 568 338 275 249 169 8,5
315 700 388 330 314 194 12,4
400 700 488 350 399 244 15,4
EXP Free
4Swegon reserves the right to alter specications. 20220217