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

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