technical documentation manuals 308013008

18
| Installation
7.2.3 Installation silencer
♦ Ensure correct installation of the silencer.
• This can cause damage to the bearings or other parts of the fan.
• The duty point may not be reachable.
• The fan may make noise.
♦ Ensure a direct, smooth and constant air flow to the device. Ensure a free exhaust, see the following pictures.
♦ To reduce transmission of vibration to the duct system, we recommend flexible connections from our accessory
range, see 5.2.3 Accessories, page 7.
1
Plenum box with
perforated sheet
(flow straightener)
not available as
Systemair
accessory
3
1
2
6
4
5
2
Deflector with inner
core
not available as
Systemair
accessory
3
Baffles
not available as
Systemair
accessory
4
Flexible connection
available as
Systemair
accessory
5
Flexible connection
available as
Systemair
accessory
6
Inlet cone available as
Systemair
accessory
7.2.4 (K), (B), (F)— fans — special points
Type
Special points for assembly
AXC (B), (K), (F)
AXR (B), (K), (F)
AXC-P (B), (F)
AXC-PV (B), (F)
Smoke exhaust fans are suitable for installation inside or outside a smoke reservoir, as well as
outdoors. If positioned outside the smoke reservoir, the fan must be provided with heat insulation
by the customer. The heat insulation must be provided with fire proof material L120 according to
DIN 4102-4.
7.2.5 Air gap
Ensure that the air gap between the housing and the impeller is complied with.
♦ Contact Systemair
♦ Check if the air gap complies with the table.5.1.3 Air
gap between housing and impeller, page 5
♦ Do not install the fan if the gap in the table is not
complied with.
7.3 Installation jet fans
Always install in a horizontal position.
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