ABB ACS180-04S-03A7-1 - Page 65

the product variant. Before you connect the drive to the input power, examine the
screws and do the necessary actions shown in the table.
When to remove EMC screw or VAR screwScrew materialScrew
label
IT systems (un-
grounded or high-
resistance groun-
ded) (C)
Corner-grounded
delta (B1), mid-
point-grounded
delta (B2) and
TT (D) systems
Symmetrically
grounded TN-S sys-
tems, i.e, center-
grounded wye (A)
RemoveRemoveDo not removeMetalEMC
Do not removeDo not remove
Do not remove
1)
Plastic
RemoveDo not removeDo not removeMetal
VAR
2)
Do not removeDo not removeDo not removePlastic
A B1
B2A
C
D
L1
L2
L3
N
PE
L1
L2
L3
PE
L1
L2
L3
L1
L2
L3
N
PE
L1
L2
L3
PE
L1
L2
L3
N
1)
Can install the metal screw included in the drive delivery to connect the internal EMC filter.
2)
Not all ACS180 has VAR screw.
Note: ACS180-04N-...-4 drives do not support corner-grounded delta (B1) system.
For the locations of the screws, refer to Disconnecting the EMC filter (page 66).
Electrical installation 65