Connecting The Inverter To The Network - SMA SUNNY TRIPOWER 12000TL-US Installation Manual

SMA Solar Technology America LLC
• Connect the negative DC cable to the black terminal B- and tighten with a screwdriver
(torque: 5.8 Nm (51 in-lb)).
12. Ensure that all DC cables are securely in place.
13. Close unused enclosure openings with UL-listed type 3R filler plugs.
14. If required, you must connect additional grounding or equipotential bonding (see
Section 6.3.3, page 31).
15. If no additional grounding is to be connected,
reattach the DC protective cover. Tighten all four
screws with an Allen key (AF 3) in the order 1 to 4
(torque: 3.5 Nm (31 in-lb)).
6.5

Connecting the Inverter to the Network

Cable requirements:
The cable length and quality affect the quality of the signal. Observe the following cable
requirements.
☐ Cable type: 100BaseTx
☐ Cable category: Cat5, Cat5e, Cat6, Cat6a or Cat7
☐ Plug type: RJ45 of Cat5, Cat5e, Cat6 or Cat6a
☐ Shielding: SF/UTP, S/UTP, SF/FTP or S/FTP
☐ Number of insulated conductor pairs and insulated conductor cross-section: at least 2 x 2 x
0.22 mm² (2 x 2 x 24 AWG)
☐ Maximum cable length between two nodes when using patch cables: 50 m (164 ft)
☐ Maximum cable length between two nodes when using installation cables: 100 m (328 ft)
☐ UV-resistant for outdoor use
Procedure:
1.
Danger to life due to electric shock
• Disconnect the inverter from all voltage sources (see Section 9, page 43).
2. Connect one end of the network cable to the inverter:
• Remove the filler plugs from the network connection opening on the inverter.
• Attach the conduit to the opening.
• Lead the network cable through the conduit into the interior of the inverter.
Installation Manual
DANGER
STPTL-US-10-IA-xx-20
6 Electrical Connection
35