SMA 20000TL Service Manual - Manual (Page 35)

6. Set the DC load-break switch to position O so
that both mounting screws are visible.
7. Insert the DC load-break switch firmly into the recess on the inverter. During this process, the
DC load-break switch must still be in position O and aligned so that the screws are positioned
over the threads.
8. Fasten the two screws using an Allen key (AF 3)
(torque: 2 Nm ± 0.2 Nm).
9. Turn the DC load-break switch of the inverter to
position I.
11 Recommissioning the Inverter SMA Solar Technology AG
Service Manual for Installers 35 STP20-25TL-SG-en-11