Electrical installation
58
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 by releasing the retaining clip with a screw driver and
lifting the cover from the bottom outwards.
2. Remove the connection box cover.
3. Remove the clear plastic shroud of the phase conductor terminals.
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 outer sheathing of the cables under the 360 degrees grounding
clamps. Fasten the clamps onto the stripped parts of the cables.
6. Tighten the grounding clamps onto the twisted shields of the cables.
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. Cut holes to the clear plastic shroud for the conductors in frame size R5 and in
cable lug installations of frame size R6.
9. Press the clear plastic shroud onto the phase conductor terminals.
10. Secure the cables outside the unit mechanically. Connect the control cables as
described in section Connecting the control cables on page 63. Fasten the
covers, see Fastening the control cables and covers on page 66.
Frame size Stripping length
mm in.
R5 16 0.63
R6 28 1.10
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