26
Quick Installation Guide
- PVS-175-TL “A.1 Version”
EN
Follow the procedure below to route all the cables:
• Open the wiring box front cover
(07)
.
• Remove the AC protective shield
(23)
by removing
the M5 screw and the M5 nut.
23
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
R
S
T
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.