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» The device is connected to the power grid.
» NOTE: If there is a 5-core connection, an inserted contact bridge may trigger any RCD that is present. The in-
structions given above must therefore be carefully followed.
4-core connection, TN-C system
↻ Grid connection is prepared.
1 Connect lines in accordance with the labels on the name plate on the screw ter-
minal [
T_45/
10 Nm].
2 Check secure fit of all connected cables.
3 Tighten the cable fittings [
» The device is connected to the power grid.
NOTE
If an external residual current circuit breaker is necessary due to the installation specification, a type A resid-
ual current circuit breaker must be used.
If the type A is used, the insulation threshold must be set to greater than/equal to (≥) 200 kOhm in the
"Parameters" menu [see Menu].
For questions regarding the appropriate type, please contact the installer or our KACO new energy customer
service.
Detailed information on grid connection: See comprehensive operating instructions under
ergy.com/de/downloads
in the "string inverter" category.
4.4
Connect PV generator to device
The DC connection is intended exclusively for PV generators. Other sources fall within the scope of improper operation
(e.g. batteries).
↻ DC generators comprehensively checked to ensure there is no ground fault
↻ DC polarity checked before connection made to inverter.
1 Activate the connection power at the switchbox or string combiner with the DC isolator switch.
2 Check the DC polarity before making the connection to the inverter.
3 Only connect DC generators that have been comprehensively checked to ensure there is no ground fault.
4.4.1 Connecting the PV generator
Connecting the DC cable (S, Basic + M version)
↻ PV generator is dimensioned according to the performance characteristics of
the unit.
1 Loosen the cable fittings [
2 Remove the outer cladding of the DC cables and insert them through the cable
fitting [Ø 15 - 21 (M32) mm ].
3 Strip the insulation from the DC cables.
4 Fit DC lines with an ring cable lug [max. width b 20 mm].
5 Remove the protection against contact from the PV+ and PV- terminal.
6 Screw the cable ends of the PV generator onto the DC connection according to
the polarity of the battery [
7 Check secure fit of all connected cables.
8 Remove the protection against contact from the PV+ and PV- terminal.
9 Tighten the cable fittings [
» The device is connected to the PV generator.
Page 8
W_68 /
20 Nm].
W_36(M32 )].
T_TX35 /
15-22 Nm ].
W_36 /
4 Nm].
Photovoltaic feed-in inverter KACO blueplanet 50.0 + 60.0 TL3
Fig. 8: 4-pole connection
http://www.kaco-newen-
PV +
PV-
Ø 9 mm
20 mm
Fig. 9: Connection to Basic + M
version
PV +
PV-
20 mm
Ø 9 mm
Fig. 10: Connection to S version
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