KACO blueplanet 5.0 - 9.0 TL3 - Manual (Page 21)

EN
Installation
Operating Manual KACO blueplanet 5.0TL3 - 9.0TL3 Page 21
Authorised electrician
NOTE
Plan the installation of an AC-side cut-off mechanism. This disconnection unit 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.
7.5 Connect PV generator to device
Connect the PV generator to the 2 DC positive and the 2 DC negative connection plugs on the underside of the
housing (see Figure 21 on page 21). Note the wiring examples given below. The inverter detects these typical
confi gurations automatically. In individual cases, you need to set the selected DC connection after installation in the
menu.
DANGER
Risk of fatal injury due to contact voltages.
›
In accordance with IEC62109-1 §5.3.1., grounding on the PV modules or strings is prohibited under
any circumstances.
NOTE
Connected PV modules must be dimensioned for the DC system voltage in accordance with IEC 61730
Class A, but at least for the value of the AC grid voltage
DANGER
Risk of fatal injury due to contact voltages.
›
During installation: Electrically disconnect the DC positive and DC negative from the protective
earth (PE).
›
Disconnect the inverter from the PV generator using the integrated DC isolator switch.
›
Remove the plug connector.
A B
Figure 21: Connections for DC positive and DC negative
Key
A MPP tracker A B MPP tracker B
DC-Plus/DC-Minus-Connections to MPP tracker A DC-Plus/DC-Minus-Connections to MPP tracker B