V-TAC VT-6605305 Manuel D'instructions page 18

Figure 18 DC input voltage measuring
GRID CONNECTION
Figure 19 AC connection of single-phase inverter
• Only qualified cables under the local electrical safety laws and
regulations and comply with the technical parameters of this
manual are allowed to connect to the inverter.
• Only with the permission of the local electric power company can
the inverter be connected to the utility grid.
(4) Connect PV string to the inverter
and ensure tightly-fastened
(5) When removing the DC connector
from the inverter, insert the head of
the straight screwdriver into the
raised hole in the middle of the
connector, and force the movable end
of the connector to exit.
Table of description of AC connector.
Inve rte r AC Thre e
c onne c tor pha se grid
1 L1（A）
2 L2（B）
3 L3（C）
N N
PE
(1) Before connect the three-phase
AC grid cable to the inverter, take
lightning and short circuit protection
measures in accordance with the local
electrical safety codes
(2) Connect and fasten L1, L2, L3, N
and PE conductors of the three-phase
grid to AC terminal with 0.5 Nm
torque. Tighten the terminal with
tightening torque of 2.5-3 Nm, and
then connect the terminal to the AC
port of the inverter.
Note
Must be
connected