6 grounding the housing – KACO blueplanet 5.0 - 9.0 TL3 User Manual
Page 24
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Installation
Page 24
Operating Manual KACO blueplanet 5.0TL3 - 9.0TL3
Authorised electrician
7.6
Grounding the housing
DANGER
Dangerous voltage due to two operating voltages!
Severe injuries or death may occur if the cables and terminals in the device are touched.
›
Only appropriately qualifi ed and authorised electricians may open and maintain the inverter.
›
Separate devices from PV generator and grid.
›
The discharge time of the capacitors is up to 5 minutes. Only after that time, it is permitted to open
the device.
›
Establish ground connection under all circumstances before connecting the supply circuit.
›
Make sure that the device is isolated from the public power supply and the system power supply
before starting work.
An optional grounding of the housing is possible at the grounding point provided for that purpose in the connec-
tion area of the inverter. Please observe any national installation regulations in this regard.
Figure 25: Grounding point in the connection area
Grounding the housing
1.
Detach cable fi tting for grounding the housing.
2. Remove the insulation from the grounding cable and isolate.
3. Furnish the stripped cable with an M4 ring cable lug.
4. Screw the ring cable lug to the grounding point with an M4/TX30 screw.
5. Check that the cable is secure.
»
Housing is grounded.