70 Product manual - PVS-175-TL;A.1 Version
EN
Depending on the ground connection method (internal (28) or external (10)) follow the procedures
described below:
Internal ground connection
• Pass the protective earth cable through the proper cable gland (12) on the AC panel.
• Fix the protective earth cable lug to the protection earth connection point (int.) (28) using the washers
and bolt pre-installed on the M10 stud, as shown in the following diagram:
1 = cable lug
2 = flat washer
3 = spring washer
4 = M10 nut
1
2
3
4
RST
B
A
28
ATTENTION – A Depending on the version of the AC panel installed on the inverter it will be
necessary to use a different protection earth connection point in order to avoid mechanical
stress due to cable bending: in case of Single-core AC panel use the horizontal connection point
(A), otherwise in case of Multi-core AC panel it will be necessary to use the oblique connection
point (B).
ATTENTION – A The cable lug must be installed with a tightening torque of 21Nm.
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