Installation site requirements
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Beam support structure
The support execution (e.g., steel or concrete) is selected on site.
The deflection of the AHU at the
installation site must not exceed 1/500
in relation to the dimensions of the AHU
(L1). If there is a higher deflection due
to the on-site support structure (L
2
), the
deflection of the AHU can be reduced to
a maximum of 1/500 by additional
support points between the support
structure and the AHU.
Fig. 7: Deflection of the AHU
A beam support structure can be implemented with longitudinal supports or width supports.
Longitudinal supports are on-site supports on which the AHU rests in the longitudinal direction. Width
supports are on-site supports on which the AHU rests in the width direction.
Longitudinal support
The distance (T) of the on-site
longitudinal supports (A) in the width
direction must not exceed T ≤ 2.5 m.
Fig. 8: Longitudinal support
Longitudinal support for units on DIN frames
For units on DIN frame, two on-site
longitudinal supports (A) are required
over the entire length. The DIN frame
(B) of the AHU rests on these.
Fig. 9: Longitudinal support for units on
DIN frames
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