ABB ACQ580-01 Kurzanleitung Für Die Installation Seite 14

14 EN – R6...R9 Quick installation guide
WARNING! Do not install the drive with the ground-to-phase varistor
connected on an IT system (an ungrounded power system or a high-
resistance-grounded [over 30 ohms] power system), otherwise the varistor circuit can
be damaged.
R0-
R4
Check from the table below if you have to disconnect the EMC filter (EMC) or ground-
R6-
to-phase varistor (VAR). For instructions on how to do this, see page 15.
R9
Frame EMC
R6-
R9 sizes filter
(EMC)
EN
R6...R9 EMC
(2 screws)
DE
-
ES
1
FR
IT
RU
SV
Drive
Ground- Symmetrically
to-phase grounded TN
varistor systems (TN-S
systems)
(VAR)
- Do not disconnect
VAR Do not disconnect Do not disconnect
(1 screw)
2
L1
L2
L3
N
PE
Corner grounded
TN systems
1
Disconnect
3
L1
L2
L3
PE
Drive
IT systems
2
(ungrounded or
high-resistance
grounded [>30
3
ohms])
Disconnect
Disconnect
L1
L2
L3
Drive