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Commissioning
4.3
Control cabinet installation
Risk of deflagration
A missing or insufficient ventilation of the control cabinet in which the battery pack is mounted can lead to
deflagration in the control cabinet.
• Ensure sufficient ventilation of the control cabinet according to EN 50272-2 (see below).
Extreme environmental conditions
Extreme environmental conditions can cause damage to the battery pack.
• Avoid extreme environmental conditions.
• Protect the battery pack from moisture and heat.
Ventilation control cabinet
In the event of a fault or heavy load, hydrogen may leak from the batteries inside the battery pack. Oxygen is
present in the control cabinet. If the hydrogen cannot escape from the control cabinet and the hydrogen
concentration in the control cabinet exceeds a value of 4 %
deflagration may occur in the control cabinet. To keep the hydrogen concentration in the air low and thus
reduce the risk of deflagration, you must ensure appropriate ventilation of the control cabinet in accordance
with EN 50272-2. You can achieve this through natural ventilation. Equip the control cabinet with openings
for air circulation. Position the openings either on opposite walls or in the same wall at least 2 m apart.
Control cabinet installation
The battery pack C9900-U330 is designed for installation in control cabinets of machine and plant
technology. The environmental conditions specified for operation must be observed (see chapter 7 Technical
data [} 20]).
If you need the dimensions of the battery pack for mounting, you can get them in chapter 4.2 Dimensions
[} 11].
The C9900-U330 battery pack is mounted on the DIN rail via the back of the battery pack. Two types of DIN
rail are commonly used in system engineering:
• TS 35 x 7.5
• TS 35 x 15
A flat DIN rail of type TS 35 x 7.5 is too weak for the battery pack. Accordingly, you may only mount the
battery pack on a DIN rail of type TS 35 x 15.
To mount the battery pack on the DIN rail, follow the steps below, shown in Figure 5:
1. Place the battery pack on the DIN rail via the rear side (section A).
2. Tighten the four socket head screws (section B).
ð You have installed the battery pack on the DIN rail.
A
Fig. 5: C9900-U330_DIN rail installation
12
WARNING
NOTE
, an explosive mixture is formed and
vol
B
Version: 3.0
C9900-U330
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