SMA Sensorbox - Manual (Page 65)

SMA Solar Technology AG Decommissioning
Installation Guide Sensorbox-IEN100914 65
10 Decommissioning
10.1 Dismantling the Sunny SensorBox
1. Remove the plug-in power supply unit of the RS485 Power Injector or SMA Power Injector with
Bluetooth from the power outlet or disconnect the alternate power source of the SMA Power
Injector with Bluetooth.
2. Remove all cable connections in the Sunny SensorBox:
– RS485 Power Injector: Disconnect the Sunny SensorBox and RS485 Power Injector
cables in the reverse order in which they are connected. Make sure the RS485
communication bus has been terminated.
– SMA Power Injector with Bluetooth: Disconnect the Sunny SensorBox and SMA Power
Injector with Bluetooth cables in the reverse order in which they are connected.
3. Dismantle the Sunny SensorBox in the reverse order in which it is mounted.
☑ The Sunny SensorBox is now dismantled.
10.2 Dismantling the RS485 Power Injector
1. Remove all the cable connections of the RS485 Power Injector.
2. Detach the RS485 Power Injector from the wall mounting bracket as shown below.
3. Unscrew the wall mounting bracket from the wall.
☑ The RS485 Power Injector is now dismantled.
!
NOTICE!
Damage to wall bracket due to careless cable removal
• Hold the RS485 Power Injector firmly in place when connecting or disconnecting the
power cable or plug connector. If not held securely, the device may pop out and
cause damage or even destroy the wall mounting bracket.
If you want to retrofit or upgrade an existing PV system, you first need to modify its
configuration so that the baud rate of the Sunny SensorBox is set at 1,200 Bd. You can
now install the SMA Power Injector with Bluetooth and the Sunny SensorBox.