Installation
NOTE!
All loads that are to be supplied via the OP terminal must be protected by
means of a ground fault circuit interrupter.
In order to ensure the ground fault circuit interrupter operates properly, a con-
nection must be established between the neutral conductor N' (OP) and equip-
ment grounding (GND).
Wiring proposal recommended by Fronius, see page 115.
1
Turn off the automatic circuit breaker.
Set the DC disconnector to the "Off"
switch position.
2
Loosen the five screws of the connec-
tion area cover by rotating them 180°
to the left using a screwdriver (TX20).
Remove the connection area cover
from the device.
CAUTION!
Danger from faulty or incorrect bores.
This may lead to injuries to the eyes and hands as a result of flying debris and
sharp edges, as well as damage to the inverter.
▶
When drilling, wear suitable protective goggles.
▶
Only use a step drill when drilling.
▶
Ensure that nothing on the inside of the device is damaged (e.g., the connec-
tion block).
▶
Adapt the diameter of the bore to match the corresponding connection.
▶
Deburr the bores using a suitable tool.
▶
Remove the drilling residues from the inverter.
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