Connecting The Pv Generator - Kaco blueplanet 3.0 TL3 Quick Manual

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.
4.3 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.
4.3.1 Recommended standard connection
A B
1 2
n n
1 2
Fig. 9: Recommended standard con-
nection
Number of modules per string: n
P per string < 0.5 * max. recommen-
max :
ded PV generator power
MPP tracker A+B together < max. re-
commended PV generator power
I Depending on PV generator
max:
The input current per MPP tracker must not be exceed 11 A.
Tab. 2: Electrical data of the connection

4.3.2 Connecting the PV generator

Page 8
A B
1 2
n
1
Fig. 10: Parallel input with Y-adapter,
short-circuits the unused MPP Tracker
B
=n Number of modules per string: n
1 2
P Per string < 0.5*max. recommen-
max:
ded PV generator power P
MPP tracker used < max. power per
MPP tracker
Photovoltaic feed-in inverter KACO blueplanet 3.0-10.0TL3
http://www.kaco-newen-
n =
1
Fig. 11: One generator parallel on both
MPP trackers
=n Number of modules per string:
1 m
n =n =n
1 2 m
P max. recommended PV generator
max :
on the power
max
MPP tracker A+B together < max. re-
commended PV generator power
I ≤ 2 * max. rated current (DC)
max:
A B
1 2
...
n = n
2 m