SMA SUNNY BOY STORAGE 3.8-US Instructions D'installation page 38

6 Electrical Connection
Additionally required material (not included in the scope of delivery):
• 1 to 2 network cables
• Where required: Field-assembly RJ45 connector.
• If cables are routed in a conduit: conduit (trade size: 21 mm (0.75 in) or smaller with suitable
reducer bush)
• If cables are routed in a conduit: UL-listed raintight or liquidtight conduit fitting (trade size:
21 mm (0.75 in) or smaller with suitable reducer bush)
• If cables are used for outdoors: one waterproof cable gland
Network cable requirements:
The cable length and quality affect the quality of the signal. Observe the following cable
requirements:
☐ Cable type: 100BaseTx
☐ Cable category: minimum CAT5e
☐ Plug type: RJ45 of Cat5, Cat5e or higher
☐ 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 2 nodes when using patch cables: 50 m (164 ft)
☐ Maximum cable length between 2 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 8, page 65).
2. Remove the sealing plugs from the network connection opening on the inverter.
3. Insert the conduit fitting into the opening and tighten from the inside using the counter nut.
4. Attach the conduit to the conduit fitting.
5. Lead one end of each network cable from the conduit into the inverter.
6. Put the network plug of each cable into one of the
network sockets of the communication assembly.
7. Ensure that the network connector is securely in place by pulling slightly on each cable.
8. Connect the other end of the network cable to the energy meter.
38 SBSxx-US-10-IA-xx-14
DANGER
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FCC ID: SVF-KP20
IC: 9440A-KP20
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Max. 30V DC
USB
SMA Solar Technology AG
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Installation Manual