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Disconnect the internal EMC lter when installing the drive on an IT system (an ungrounded power
system or a high-resistance-grounded [over 30ohms] power system), otherwise the system will be
connected to ground potential through the EMC lter capacitors. This may cause danger or damage
the drive.
Disconnect the internal EMC lter when installing the drive on a corner-grounded TN system,
otherwise the drive will be damaged.
Caution
EMC
VAR
EMC
VAR
24 SysAqua
12.2. SYSAQUA 45 - 55 - 65 - 75 - 90 - 105 - 125
Maximum cross-section of the power supply cables:
² 45-55-65-75 35mm²
² 90-105-125 70mm²
copper cable only
To ensure proper contact, t the end pieces adapted to the
cross-section of the connecting cable.
The supply cables of the units must be routed up to the
section switch through the grommets present at the base
of the electrical unit.
12.3. OPTION ALL SEASONS
If you have an IT (ungrounded) system or corner-grounded
TN system, disconnect the internal EMC lter by removing the
EMC screw.
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