External Ground Connection - ABB PVS-120-TL Quick Installation Manual

11.
Depending on the ground connection method (internal
INTERNAL GROUND 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
25
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
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.)
housing of power module.
• Pass the phases cables trought the cable glands on the AC panel
• Fix the phases and neutral (if required) cable lugs to the AC connection busbars
, paying attention to the corrispondence of the phases with the labels, using the
21
washers and the M10 nuts pre-installed on the busbar as shown in the following
diagram:
1 = cable lug
2 = flat washer
3 = spring washer
4 = M10 nut
The minimum recommended cross section for the phases conductors is 70 mm².
The cable lugs must be installed with a minimum tightening torque of 25Nm.
• Check the tightness of the AC cable glands at the end of the installation.
or external
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4
3
2
1
4
3
2
1
and a handles thread
10
4
3
2
1
) follow the procedures described below:
10
.
11
10
on the
04
.
11
- 18 -
25
10
21
EN