Overvoltage Protection; Decommissioning And Dismantling; Switching Off The Device - Kaco blueplanet 50.0TL3 Manual Del Usuario

Operating Instruction I
. DANGER! The DC cables are still live!
3. Device version S, Basic + M: Switch off DC power supply externally via the combiner box (not supplied) using the DC
isolator switch.
ð After shutdown, wait at least five minutes before opening the inverter.
7.6

Overvoltage protection

DANGER
Risk of fire if the overvoltage module is disconnected under load!
The connection terminals and fuse holder can be destroyed by arcing if disconnected or if the modules are re-
moved.
ü Switch-off sequence:
1. Switch off the grid voltage by turning off the external circuit breakers.
2. Switch off the PV generator using the DC isolator switch.
3. The DC cables are still live!
4. Check that there is no current in any of the DC cables using a clip-on ammeter.
5. Only open the fuse holder once you have established that there is no current in the DC cables.
6. Ensure that there is no voltage present on the grid connection terminals.
8

Decommissioning and dismantling

8.1

Switching off the device

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.
1. The device must be mounted in a fixed position before being connected electrically.
2. Comply with all safety regulations and current technical connection specifications of the responsible power
supply company.
3. The device is only permitted to be opened or serviced by a qualified electrician.
4. Switch off the grid voltage by turning off the external circuit breakers.
5. Check that all AC and DC cables are completely free of current using a clip-on ammeter.
6. Do not touch the cables and/or terminals/busbars when switching the device on and off.
7. Keep the device closed when in operation.
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:
1. Check that there is no current in any of the DC cables using a clip-on ammeter.
2. XL device version: Disconnect all DC connections one by one. Device version S, Basic and M: Detach DC con-
nection in the device.
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