Shutdown/Disassembly; Switching Off The Unit; Uninstalling The Device - Kaco blueplanet 50.0 TL3 S Operating Instructions Manual

Shutdown/Disassembly

11 Shutdown/Disassembly
11.1

Switching off the unit

DANGER
Lethal voltages are still present in the terminals and cables of the inverter even after the
inverter has been switched off and disconnected!
Severe injuries or death will occur when touching the cables and terminals in the inverter.
›
Only appropriately qualified and authorised electricians may open and uninstall the inverter.
›
Observe all safety regulations and the current technical connection specifications from the relevant
power supply company.
1. Switch off the grid voltage by turning off the external circuit breakers.
2. Disconnect the DC side depending on the device version:
–
XL device version: Switch off the DC supply using the DC isolator switch and unplug the DC
connector.
–
Device version Basic + M: Switch off DC power supply externally via a combiner box (not sup-
plied).
3. Check that there is no current in any of the DC cables using a clip-on ammeter.
4. Only open the fuse holder once you have established that there is no current in the DC cables.
5. Secure the inverter against reconnection.
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. Only open the fuse holder once you have established that there is no current in the DC cables.
3. XL device version: Disconnect all DC connections one by one. Device version Basic and M: Detach
DC connection in the device.
CAUTION
Risk of burns from hot housing components!
Coming into contact with the housing can cause burns.
› Do not touch the housing surface or heat sink during and immediately after operation.
› Allow the device to cool down before touching the housing surface.
11.2

Uninstalling the device

Inverter disconnected and secured against restart.
1. Unlock and open the housing door.
2. Remove the interface cables.
3. Detach AC cables from the connection terminals (see chapter 9.8 on page 54).
4. DC cables
–
Basic + M version: detach from the connection terminals and furnish with protective caps.
–
XL version: detach from the DC plug connectors and furnish with protective caps.
» The inverter is uninstalled. Proceed with disassembly.
Operating instructions KACO blueplanet 50.0 TL3 S/Basic/M/XL
EN
Page 63