SMA STP 60-US-10 Replacing Defective Surge Arresters - Manual (Page 2)

2 Replacing Defective Surge Arresters SMA Solar Technology AG
2 STP60-ATSPD-SG-xx-10 Service Manual
Figure 1.1 Overview of the installation area
Figure 1.2 AC surge arrester (3)
Figure 1.3 DC surge arrester (3)
2.2 Installing New Surge Arresters
1. Insert the new surge arresters until they lock into place.
See (2) in figure 1.2 and (2) in figure 1.3.
2. Close the front cover of the inverter.
3. Tighten the three screws in the front (1.5 Nm).
4. Switch on the AC grid via the grid switch and switch on
the PV array via the installed PV load-break switch.
1 3 AC surge arresters
The surge arrester on the right-hand outside (green)
does not need to be replaced.
2 3 DC surge arresters