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000969AG
5 - Installation
Depending on the ground connection method (internal
25
or external
10
)
follow the procedures described below:
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.)
25
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.)
10
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
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.)
10
and a handles thread
04
on the housing of power module.
1 2
3 4
1 2
3 4
25
10