
WARNING!
Remove the metal EMC screw in systems other than the symmetrically
grounded TN-S systems. If you do not, it can cause danger or damage to the
drive.
When to remove EMC screw or VAR screw
Screw material
Screw
label
IT systems (un-
grounded or
highresistance
grounded) (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)
Remove
Remove
Do not remove
Metal
EMC
Do not remove
Do not remove
Do not remove
1)
Plastic
Remove
Do not remove
Do not remove
Metal
VAR
Do not remove
Do not remove
Do not remove
Plastic
A
B1
B2
A
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.
Note: ACS180-04N-...-4 drives do not support corner-grounded delta (B1) system.
■
Disconnecting the EMC filter
1.
Do the steps in section
Electrical safety precautions (page 16)
before you start
the work.
62 Electrical installation
Содержание ACS180
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Страница 41: ...4 Tighten the mounting screws Mechanical installation 41...
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Страница 162: ...Declarations of conformity 162 The Safe torque off function...
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Страница 164: ...164 The Safe torque off function...
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