Disconnecting Internal Emc Filter Or Ground-To-Phase Varistor - Frames R4 - ABB ACS580 Series Hardware Manual

136 Electrical installation – Global (IEC)
2. Open the front cover, if not already opened, see page 140.
3. To disconnect the internal EMC filter, remove the EMC screw (3a) and place it
in the storage place (3b).
4. To disconnect the ground-to-phase varistor, remove the varistor screw (4a)
and place it in the storage place (4b)
R1
3b
R3
￭ Disconnecting internal EMC filter or ground-to-phase varistor - frames
R4...R9
To disconnect the internal EMC filter or ground-to-phase varistor, if needed, do
as follows:
4a
B
3a
A
4b
3b 4b
3a
A
4a
B
R2
Screw
A EMC (DC)
B VAR
4a
B
3a
A
3b
4b