SMA SUNNY BOY 5000-US - Wiring with SMA DC Disconnect

SMA America, LLC Electrical Connection
Installation Guide SB50US-80US-eng-IUS112633 37
6.1.2 Wiring with SMA DC Disconnect
Procedure and Order
1. Switch off all energy sources. Open all AC and DC disconnect switches and breakers.
2. Wiring from AC breaker to SMA DC Disconnect.
3. AC wiring from SMA DC Disconnect to Sunny Boy.
4. Wiring from PV array to SMA DC Disconnect.
5. DC wiring from SMA DC Disconnect to Sunny Boy.
6. Switch SMA DC Disconnect to position "1".
7. Switch on AC breaker.
Removing Sunny Boy from Wiring
• Disconnect all AC disconnect switches.
• Switch SMA DC Disconnect to position "0".
• Always disconnect the AC side before the DC side.
• When the Sunny Boy is switched off, remove the wiring in reverse order.