15.8 Connect the DC power cables to the control box (CR variant)
15.8.1 Connect the DC cables to the control box (input and output to the cable reel)
Preliminary requirements
• Torque wrench
• Wire cutter
• Wire stripper pliers
•
• Four DC power cables (two
negative, two positive).
.
Procedure
1. Remove the nuts (A), washers (B)
and wire end rings (C) from the
bolts on the busbars (D) to (G).
2. Prepare the DC cables:
a. Cut the cables (H) to (L) to the
correct length to reach the
bolts on the busbars.
b. Strip the cables from insulation
from the wires. Make sure that
the strip length agrees with the
wire end rings (C).
c. Attach wire end rings (C) to the
end of the wires.
3. Connect these cables on the bolts:
a. DC- input cable (J) on the bolt
on the negative busbar (F)
b. DC+ input cable (H) on the bolt on the positive busbar (E)
c. DC- cable (K) to the cable reel on the bolt on the negative busbar (G) d.
DC+ cable (L) to the cable reel on the bolt on the positive busbar (D)
4. Install washers (B) and nuts (A) on the bolts.
5. Tighten the nuts to the correct torque. For the specifciation, refer to section
15.8.2
Connect the DC cables to the control box (output to the next con-
trol box)
Preliminary requirements
1.
There is a next control box
in the daisy-chain
•
Two DC power cables (one
negative, one positive).
Refer to section
•
Two wire end rings M10
•
Torque wrench
•
Wire cutter
•
Wire stripper pliers
•
C
B
A
J
B
A
H
L K
D G
F
E
Electrical installation of the control box
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