8 Recommissioning the Inverter
SMA Solar Technology AG
Replacement Manual
DCCON-STPTL10-RM-xx-10
24
9. Insert the lower enclosure lid from above and flip it
down. The screws must protrude from the lower
enclosure lid.
10. Tighten all six screws with an Allen key (AF 3) in the
order 1 to 6 (torque: 2.0 Nm ± 0.3 Nm). By
tightening the screws in the prescribed order, you
avoid warping the enclosure lid, which would keep
it from sealing correctly. Tip: If the screws fall out of
the lower enclosure lid, insert the long screw into the
lower middle hole and the five short screws into the
other holes.
11. Check the ESS for wear:
• Check the metal mounting tabs inside the ESS
for discoloration or damage.
If the metal mounting tabs show brown
discoloration or are damaged, order a new
ESS from SMA Solar Technology AG and have
the ESS replaced.
If the metal mounting tabs show no brown
discoloration or damage, the ESS is not worn
and can still be used.
12. Switch on the circuit breaker of all three line conductors.
13. If necessary, update the firmware of the communication assembly.
14. Securely plug in the ESS. The ESS must be aligned parallel to and flush with the enclosure.
15. If the multifunction relay is used, connect the supply voltage to the load.
☑ All three LEDs start to glow and the start-up phase begins. The start-up phase may take
several minutes.
☑ The green LED is glowing and the display alternates between the device type, the
firmware version, the serial number or designation of the inverter, the NetID, the
configured country data set and the display language.
ENGLISH
Summary of Contents for NR-STP-DC-CON-1012
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