186 Electrical installation – North America
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Connection procedure, frames R1...R4
1.
Remove the front cover: Loosen the retaining screw with a T20 Torx screwdriver
(1a) and lift the cover from the bottom outwards (1b) and then up (1c).
IP66 (UL Type 4X): Loosen the retaining screws with a T20 Torx screwdriver
(1a) and take the cover off (1b).
IP21 (UL Type 1),
R1...R2
1c
1b
1a
WARNING!
If you install the drive on any other system than symmetrically grounded
TN-S system, see
have to disconnect the EMC filter and ground-to-phase varistor.
2. Attach the residual voltage warning sticker in the local language.
R1
2
3. Remove the knockouts or rubber grommets for the motor and input power
cables, as well as brake resistor cable, if used.
Remove the knockouts or grommets for the control cables when you are
connecting them.
4. Prepare the power cables (shielded cable):
IP21 (UL Type 1),
IP55 (UL Type 12),
R3...R4
R1...R3
1c
1b
1a
Grounding system compatibility check (page 176)
R2
2
IP55 (UL Type 12),
R4
1c
1b
x6
1a
1a
x2
R3...R4
2
IP66 (UL Type 4X),
R1...R3
1c
1b
8x
if you