Shutting Down For Maintenance / Troubleshooting; Disconnecting Connections - Kaco blueplanet 3.0TL3 Series Manual

11.4

Shutting down for maintenance / troubleshooting

DANGER
Lethal voltages are still present in the connections and cables of the device even after the device has
been switched off and disconnected!
Severe injuries or death may occur if the cables and/or terminals/busbars in the device are touched.
Only appropriately qualified electricians authorised by the mains supply network operator are permitted to
open and maintain the device.
› Comply with all safety regulations and current technical connection specifications of the responsible
power supply company.
11.5

Disconnecting connections

11.5.1 AC connection
B
B
A
Fig. 64: Open the housing and release
the cables
↻ Ensure there is no AC/DC voltage present.
1 Use a screwdriver (blade size 3 mm) to push in the latch on the coupling.
2 Unlock the plug connection and pull out the connector.
3 Unscrew the cable fitting.
4 Use a screwdriver to unlock the contact carrier on both sides.
5 Remove the contact carrier from the housing.
6 Unfasten and remove the screws on the contact carrier.
11.5.2 DC connection
DANGER
Destruction of the DC plug connectors
DC plug connectors can be destroyed by arcing if disconnected while still live. It is absolutely essential that
the following shutdown sequence be carried out in the correct order:
› Check that there is no current in any of the DC cables using a clip-on ammeter.
↻ Ensure there is no AC/DC voltage present.
↻ Check that there is no current using a clip-on ammeter.
↻ NOTE: Plug connectors may be unplugged under voltage, but never under
load.
1 Use a screwdriver (blade width 3 mm) to push out the latch on the coupling.
2 Leave the screwdriver in place.
3 Disconnect the DC connector from the DC socket.
Page 72
Fig. 65: Disconnect AC connection plug Fig. 66: Detach the AC connection plug
KACO blueplanet 3.0TL3 KACO blueplanet 4.0TL3 KACO blueplanet 5.0TL3 KACO blueplanet 6.5TL3 KACO
blueplanet 7.5 TL3 KACO blueplanet 8.6TL3 KACO blueplanet 9.0TL3 KACO blueplanet 10.0TL3
from the device connector
2
1
Fig. 67: Unplugging the plug con-
nector
1 Screwdriver
2 Latch
2
1