Electrical installation
64
Conductor stripping lengths
Strip the conductor ends as follows to fit them inside the power cable connection
terminals.
Allowed wire sizes, tightening torques
See Technical data: Cable entries.
Wall installed units (European version)
Power cable installation procedure
1. Remove the front cover (in frame size R6 the lower front cover) by releasing the
retaining clip with a screw driver and lifting the cover from the bottom outwards.
For IP55 units, see Mechanical installation: Mounting the drive on the wall.
2. Slide the back plate of the connection box to the holes below the drive.
3. Fasten the back plate to the drive frame with two screws / three screws in frame
size R6.
4. Cut adequate holes into the rubber grommets and slide the grommets onto the
cables. Slide the cables through the holes of the bottom plate.
5. Strip off the plastic sheath of the cable under the 360 degrees grounding clamp.
Fasten the clamp onto the stripped part of the cable.
6. Connect the twisted shield of the cable to the grounding terminal. Note: Cable
lugs are needed in frame sizes R2 and R3.
7. Connect the phase conductors of the mains cable to the U1, V1 and W1 terminals
and the phase conductors of the motor cable to the U2, V2 and W2 terminals.
8. Fasten the bottom plate of the connection box with two screws to the already
fastened back plate and slide the grommets into their place.
9. Secure the cables outside the unit mechanically. Connect the control cables as
described in section Connecting the control cables. Fasten the covers (see
Fastening the control cables and covers).
Frame size Stripping length
mm in.
R2, R3 10 0.39
R4, R5 16 0.63
R6 28 1.10
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