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Depending on the ground connection method (internal
follow the procedures described below:
25
10
The cable lug must be installed with a minimum tightening torque of 21Nm.
Before connecting the inverter to AC or DC sources use a suitable multimeter to test the
conductivity of the earth connections between the protection earth connection point (ext.)
and a handles thread
on the housing of power module.
04
Internal earth connection
• Pass the protective earth cable trought the
proper cable gland on the AC panel.
• Fix the protective earth cable lug to the
protection earth connection point (int.)
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
External ground connection
• Fix the protective earth cable lug to the
protection earth connection point (ext.)
using the washers and bolt pre-installed
on the M8 stud, as shown in the following
diagram:
1 = cable lug
2 = flat washer
3 = spring washer
4 = M8 nut
- 72 -
5 - Installation
or external
)
25
10
25
4
3
2
1
10
4
3
2
1
10
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