KACO blueplanet 3.0 - 4.6 TL1 - Manual (Page 21)

EN
Installation
Operating Instructions for KACO blueplanet 3.0-4.6 TL1 Page 21
Authorised electrician
7.3 Preparing the electrical connection
DC
1 2 3
Figure 21: Connection area: electrical connection
Key
1 DC isolator switch 3 Device connector
2 DC connector for PV generator
7.4 Connect the device to the power grid
The power connection wires are connected on the right of the connection area (see Figure 21 on page 21).
NOTE
If the cable impedance is high (i.e. long grid-side cables), the voltage at the grid terminals of the
inverter will increase during feed-in to the grid. The inverter monitors this voltage. If the voltage
exceeds the country-specifi c grid overvoltage limit value, the inverter switches off .
›
Ensure that the conductor cross-sections are suffi ciently large or that the cable lengths are suffi -
ciently short.
Making the grid connection
↻ AC connector confi gured.
1.
Connect the confi gured plug connectors to the device connector by
fi tting into place.
2. Lay the lead correctly and in accordance with the following rules:
–
Lines around the enclosure are installed with a distance of more
than 20 cm
–
Cable not via semiconductor (cooling body)
–
Excessive bending force may negatively impact the protection
rating. Lay the lead with a bending radius of at least 4 times the
cable diameter.
» The inverter is now connected to the power grid.
Figure 22: Engage the AC connector
with the device connector.
NOTE
Plan the installation of an AC-side cut-off mechanism. This cut-off mechanism must be installed so
that it can be accessed at any time without obstruction.
If a residual current circuit breaker is necessary due to the installation specifi cation, a type A residual
current circuit breaker must be used.
For questions regarding the appropriate type, please contact the installer or our KACO new energy
customer service.