SMA SUNNY TRIPOWER 12000TL-US Instructions D'installation page 35

SMA Solar Technology America LLC
Procedure:
1.
Danger to life due to electric shock
• Disconnect the inverter from the utility grid and ensure that it cannot be reconnected.
• Disconnect the inverter from the PV array and ensure that it cannot be reconnected.
2. If the lower enclosure lid is mounted, loosen all
screws of the lower enclosure lid using an Allen key
(AF 3) and lift the enclosure lid from below and
remove it.
3. Loosen the screws of the DC protective cover using
an Allen key (AF 3) and remove the DC protective
cover.
4.
Damage to the inverter due to moisture and dust intrusion
Electronic components in the inverter can be destroyed or damaged as a result of dust or
moisture intrusion. The enclosure openings are suitable for conduits of 25.4 mm (1 in).
• Only use one opening per string.
• Do not enlarge the enclosure openings.
5. Remove the adhesive tape from both openings.
6. Insert one conduit fitting for each string into the opening and tighten from the inside using the
counter nut.
7. Attach one conduit for each string to the opening.
8. Insert the DC cables through the conduit into the interior of the inverter.
9. Strip the insulation of the DC cables by 18 mm (0.71 in).
10. For connecting the string to INPUT A, connect the DC cables to the terminal block for the DC
connection:
• Connect the positive DC cable to the red terminal A+ and tighten with a screwdriver
(torque: 5.8 Nm (51 in-lb)).
Installation Manual
WARNING
NOTICE
STPTL-US-10-IA-xx-22
6 Electrical Connection
35