ABB ACH580-01 - Frames R4

3. The internal DC EMC filter is disconnected by default with a plastic screw (3a).
4. To disconnect the ground-to-phase varistor, replace the metal varistor screw (4a)
with the plastic screw provided in the package, and place it in the storage place
(4b)
R2R1
4b
3b
4a
3a
B
A
8 mm
4b3b
4a
3a
B
A
R3
Default materialScrew
PlasticEMC (DC)A
MetalVARB
4b3b
4a
3a
A
B
￭ Frames R4…R9
Extra screws to configure the drive for different networks are provided in the drive
shipment.
To disconnect the internal EMC filter or ground-to-phase varistor, if needed (see page
166), do as follows:
170 Electrical installation – North America