KACO Powador-gridsave - Manual (Page 35)

Shutdown/Disassembly
Operating instructions Powador-gridsave_EN Page 35
11 Shutdown/Disassembly
11.1 Switching off the device
DANGER
Lethal voltages are still present in the terminals and cables even after switching off and discon-
nection of the battery system.
Severe injuries or death may occur if the cables and terminals in the device are touched.
› Complete de-energisation only occurs if the bulk power supply is switched off upstream of the bat-
tery system.
DANGER
Destruction of the DC plug connector
DC plug connectors can be destroyed by arcing if disconnected while still live.
› It is absolutely essential that the following shutdown sequence is observed.
11.1.1 Step 1: Shutting down the PV system
1. Switch off any optional external PV isolator switches.
2. Set the internal DC isolator switch to "OFF".
» The inverter and battery charging unit/ battery backup converter (BBC) are disconnected.
11.1.2 Step 2: Disconnect the batteries
NOTE
Please read the additional information in the enclosed manual "Features for the battery unit"
11.1.3 Step 3: Disconnect the AC supply
1. Connect external isolation means to the device
2. Switch off the circuit breaker.
3. Switch off the residual current circuit breaker.
» The battery system is switched off.
11.1.4 Step 4: AC home power grid
1. Shutdown the AC home power grid using the AC main switch.
» The battery system can be uninstalled.