
12. Installation
12.1. Installation
The frequency inverters are designed for installation in a switchgear cabinet and for
permanent connection.
The inverter must be installed so that the heat sink is facing to the right. Only in this way sufficient
cooling is guaranteed.
If the inverter has to be installed in a different position, external cooling is required for full capacity
utilization.
BERGES inverters are generally designed so that they can be operated at ambient temperatures
from
−
5 °C to
+
45 °C and at a relative humidity of up to 90%.
Formation of condensation must be avoided!
Please contact BERGES if the above values are exceeded. A heat build-up at the inverter during
operation must be prevented. The internal air circulation may possibly be insufficient if the unit is
installed in a control cabinet with a small volume.
The units should never be installed in the proximity of corrosive or flammable gases, conductive
dust or large magnetic and electric fields.
The inverter should be installed in a location that is largely free of dust, steam and vibrations.
Operation of the units in the presence of abrasive dust, steam, condensate, oil mist or air containing
salt will reduce their useful life.
Pay close attention during installation to ensuring that no objects (such as drilling swarf, wire or
anything else) fall into the unit. Otherwise a device fault cannot be excluded, even after longer
periods of operation.
12.2. Mains power connection
To guarantee lasting operating safety and reliability, the inverter must be connected expertly in
accordance with the valid electric standards. Attention must be paid to good insulation from earth
potential on the power terminals.
Connect a single phase mains power supply with a rated voltage between 220V and 240V or a
three-phase mains power supply with a rated voltage between 380V and 460V (5.5kW 380...415V)
40..70Hz to the mains power connection terminals L1, N or L1,L2,L3 and PE respectively (TN-C
System).
L 1 (phase) - N 220...240V 40...70Hz PE = earth
L1 L2 L3 (phases) 380...460V (5.5 kW 380...415V) 40...70Hz PE = earth
Ensure a voltage balance to earth when feeding in the mains power through an insulating
transformer (star point earthed) or use the vector group “DY5” in the case of single-phase inverter
power supply.
BERGES electronic
16 Operating manual ACM D2/S2 09.07.2001
Содержание ACM S2
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