Electrical installation 97
Connection procedure, frames R1…R4
1. Remove the front cover: Loosen the retaining screw with a screwdriver (1a) and
lift the cover from the bottom outwards (1b) and then up (1c).
WARNING! If the drive will be connected on an IT (ungrounded) system, make
sure you have disconnected the EMC filter and ground-to-phase varistor. See
page 91. If the drive will be connected on a corner-grounded TN system, make sure
you have disconnected the EMC filter. See page 91.
2. Attach the residual voltage warning sticker in the local language.
IP21 (UL Type 12),
R3…R4
IP21 (UL Type 1),
R1…R2
1a
1a
1a
1b
1b
1b
1b
1c
1c
1c
1c
IP55 (UL Type 12),
R1…R3
IP55 (UL Type 12),
R4
x6
x2
1a
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