3 Product Overview
SMA Solar Technology AG
Maintenance Manual
SCCPXT-E7-WA-en-37
16
3.3.1.2
AC Disconnection Unit
The AC disconnection unit disconnects the inverter from the MV transformer.
Figure 4: Switch positions of the AC disconnection unit from ABB
Position
Designation
Explanation
A
Switch position
on
The AC disconnection unit is closed.
B
Central switch position
The AC disconnection unit was tripped and is open.
C
Switch position
off
The AC disconnection unit is open.
3.3.1.3
DC Switchgear
The DC switchgear disconnects the inverter from the PV power plant.
Figure 5: Indicators on the DC load-break switch
Position
Designation
A
Spring status indicator
B
Position indicator
C
ON button
D
OFF button
Summary of Contents for SUNNY CENTRAL 1000CP XT
Page 70: ...www SMA Solar com...
