1 ac wiring of the sb 6000us/sb 7000us/sb 8000us, Ac wiring of the sb 6000us/sb 7000us/sb 8000us – SMA ST6-US User Manual
Page 34
Electrical connection
SMA America, LLC
34
ST36-48US-IA-IUS112321
Installation Guide
Appropriate torque values and wire sizes
7.6.1 AC Wiring of the SB 6000US/SB 7000US/SB 8000US
Routing the AC cable into the Sunny Boy
1. Refer to the Sunny Boy installation guide for opening the Sunny Boy.
2. Remove a membrane at the bottom of the inverter.
3. Pull the cable conduit from below into the Sunny
Boy.
4. Tighten the conduit with the locknut from the inside
of the inverter.
Terminal
Nm
in Ibs
Wire Size
AC & DC Terminal Blocks
2
18
10 ... 6 AWG
Unused Terminal Block for
AC Configuration
1.3
11
—
Cover Screws
6
53
—
DANGER
High voltages are present on the AC and DC cables. Risk of electric shock.
Death or serious injuries will result when touching voltage-conducting cables and contacts.
• All procedures described in this section shall only be conducted by qualified
personnel.
• Observe the sequence described here when opening the Sunny Boy.