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| Installation
Table 7 AXCBF Type key
AXCBF 500– D2 20° IE2
Axial fan bifurcated Nominal diameter of
the fan
3-phase motor 2–
pole
Blade angle International
efficiency
Table 8 IV Type key
IV 50– 4
-
Induction fan Thrust 50N Number of poles
Temperature- Time
information (smoke
extraction fan), see 5.1.5
Temperature types, page 5
7 Installation
7.1 Safety information
Danger: Risk that the fan does not work in case of fire.
♦ Spring vibration mounts made from unsuitable materials do not fulfil their function! For smoke extraction fans (K),
(B) and (F) only use spring vibration mounts made of steel!
♦ Use installation material with fire resistance classes that meet temperature requirements.
Warning: Danger from falling fan or fan parts.
♦ Check the surface before installation for load bearing capacity.
♦ Consider all static and dynamic loads when selecting hoisting equipment and fastening components.
♦ Tighten all screw-type connections according to the data, see Table 9 Tightening torques according to DIN 13, page
15.
General safety information
♦ Installation may only be carried out by adequately qualified persons, details see Table 1 Qualifications, page 2.
♦ Wear protective equipment during all work in the vicinity of the fan, details see 2.2 Personal protective equipment,
page 2.
♦ Abide by the system-related conditions and requirements of the system manufacturer or plant constructor.
♦ Safety elements may not be dismantled, circumvented or deactivated.
♦ Move the impeller of the fan by hand before you install it in order to check whether that moves freely.
♦ Provide the fan at least with an IP 20 protective grille, if the fan is not installed in a duct system.
♦ Prevent the possibility of foreign bodies being drawn in.
♦ To reduce transmission of vibration to the duct system, we recommend flexible connections from our accessory
range, see 5.2.4 Accessories, page 8.
♦ Bear in mind that parts of the impeller may protrude out of the fan housing.
7.2 Preconditions
• Ensure that the fan and all its components are undamaged.
• Ensure that the information on the name plates (fan and motor) matches up with the operating conditions.
• Ensure that there is enough space to install the fan.
• Protect against dust and moisture when installing.
• Fit the fans in such a way that there is sufficient access for troubleshooting, maintenance and repair.
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