User`s manual

Installing the drive 49
ACH550-01 User's Manual
Tightening torques
Frame size R6 lugs
Note: Check the cable lengths according to section Wiring and
EMC considerations on page 26.
Frame
size
U1, V1, W1, U2, V2, W2 Earthing PE
Tightening torque Tightening torque
N·m lb·ft N·m lb·ft
R1 1.4 1 1.4 1
R2 1.4 1 1.4 1
R3 2.5 1.8 1.8 1.3
R45.64 21.5
R5 15 11 15 11
R6 40 30 8 6
Remove the screw-on
terminal lugs. Attach
crimp-on ring lugs to the
cables.
R6: Crimp-on ring lugs (16…70 mm
2
/ 6…2/0 AWG cables)
R6: Screw-on terminal lugs (95…185 mm
2
/ 3/0…350 AWG cables)
Isolate the ends of the ring
lugs with insulating tape or
shrink tubing.
a. Attach the screw-on lugs to the cables.
b. Attach the screw-on lugs to the drive.
WARNING! If the wire size is less than 95 mm
2
(3/0 AWG), a
crimp-on ring lug must be used. A cable of wire size less than
95 mm
2
(3/0 AWG) connected to a screw-on terminal lug will
loosen and may damage the drive.
b
a
Attach the ring lugs to the
remaining bolts with M10
nuts.