Installation Instructions - KACO new energy, Inc.

Installing the Inverter
Authorised electrician
7.3.2.6 Connecting the PV generator
DANGER
Risk of fatal injury due to electric shock
Severe injuries or death will result if the live connections are touched. When there is irradiance, DC
voltage is present on the open ends of the DC leads.
› Do not touch the open ends of the leads.
› Avoid short circuits.
Connecting the PV generator
↻ Drill one hole for each DC negative and DC positive lead into the connection board.
1. Remove the outer cladding of the DC leads.
2. Insert the DC leads into the connection area through the conduit pipes.
3. Strip the insulation from the DC leads.
4. Connect the leads to the PCB terminals in accordance with the labelling.
» The inverter is connected to the PV generator.
7.3.3 Grounding the housing
An optional grounding of the housing is possible at the grounding point provided for that purpose in the connection
area of the inverter. Please observe any national installation regulations in this regard.
Ground the housing of the inverter, if necessary, at the grounding point provided for that purpose in the connection
area of the inverter. It is marked with the symbol.
Figure 11: Grounding point in the connection area
Grounding the housing
↻ Drill a hole for the grounding lead into the connection board.
1. Remove the outer cladding from the grounding lead.
2. Insert the grounding lead into the connection area through the conduit pipe.
3. Remove the insulation from the grounding lead.
4. Furnish the stripped lead with an M6 ring cable lug.
5. Screw the ring cable lug to the grounding point with an M6 screw.
6. Check for firm seating of the lead.
7.4 Connecting the interfaces
All interface connectors are located on the connection board. Drill holes for the conduits into the connection
board.
Page 22 Installation Instructions blueplanet XP10U-H4