6.
If using a separate wire / cable for grounding , insert the additional wire/ cable for
grounding through the PE gland.
Strip the required length of the external and internal cables insulation.
Open the PE cable gland and insert the cable through the PE gland.
7. Connect the grounding wire to the grounding terminal block and tighten with a
torque of
15N*m / 12 lb*ft.
8.
Remove the screws from the AC terminal blocks.
9.
Crimp ring terminals on the AC wires.
NOTE
The following are the requirements for the Lugs:
Bolt hole size: M* (5/16").
Compression lugs only (no mechanical lugs).
Compression lugs of the one-hole, standard barrel, 600v type.
4/0 lugs shall be of the narrow tongue type
Maximum wire size: 120mm
Maximum lug tongue thickness: 4mm
Maximum lug tongue width: 23mm
10. Connect the wires to the terminal blocks with a proper tool according to the labels
on the terminals.
Wire type
Connect to
terminal
Line 1 L1
Figure 24: Wire connections to terminal block
Line 2 L2
Line 3 L3
Neutral N
11. Place the cover on the terminal block and push until you hear a click.
Chapter 4: Connecting the AC and Strings to the Connection Unit 39
Three Phase Inverter with Synergy Technology Installation MAN-01-00402-1.2
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