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3.5
Storage
The delivery sections generally are packed in nylon. This package is suitable to protect the AHU
during loading and unloading from bad weather, but not for outdoor storage. The insertion into a dry
area after unloading is therefore essential for the preservation of the AHU.
Standstill maintenance
Prolonged standstill times can cause damage on motors, fans or pumps.
To avoid damage on bearings, the rotors should be moved manually a few turns about once per
month. If the period between delivery and commissioning is more than 18 months, then components
must be checked and if necessary replaced.
Removal of nylon packaging
Remove the nylon packaging after delivery and place the AHUs in a dry, weather
protected area: the risk of corrosion due to the lack of ventilation in combination
with a higher humidity under the nylon packaging is possible. For example, white
rust may be formed within a short time on galvanized surfaces. It can further arise
that an excessively high temperature is created under the packaging, which can
also cause damages to the components.
If
you want to please to yourself, the planner, the owner and other observers of the AHU,
then
we strongly recommend covering and protect the AHU against dirt and damage during the installa-
tion and commissioning process, see Figure 12.
V07-19.0
Figure 11: Permitted angle for load carrying equipment guidance
max. 15°
max. 15°
21/115
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