
SMA Solar Technology AG
4 Electrical Connection
Installation Manual
MFR-NR-IA-en-23
15
4.4.2 Installing the Multifunction Relay in the
Sunny Boy Smart Energy
2. Removing the display:
• Flip the display up.
• Remove the plug of the display ribbon cable
from the pin connector on the display
assembly.
• Flip the display down.
• Press the right-hand retainer outwards.
• Pull the display out of the right-hand retainer.
• Pull the display out of the left-hand retainer.
• Set the display aside in a safe place.
1.
Danger to life due to high voltages in the inverter
• Disconnect the inverter from voltage sources and open the enclosure lid (see inverter
manual).