Opening and Closing
SMA Solar Technology AG
32
SB11_17-IEN084820
Installation Guide
7.2 Closing the Sunny Boy
1. Reconnect the protective earth (PE) to the housing cover.
2. Secure the housing cover of the Sunny Boy by evenly tightening the 4 screws.
3. Connect the PV generator by reconnecting the DC plug connectors of the Sunny Boy with those
of the strings.
4. Check the Electronic Solar Switch for wear, as described in section 8.2 „Checking the
Electronic Solar Switch for Wear“ (33).
5. Reinsert the Electronic Solar Switch in the socket on
the underside of the Sunny Boy.
6. Switch on the line circuit breaker.
7. Check whether the LED display of the Sunny Boy
indicates that the device is functioning correctly.
NOTICE!
Manipulating the connector in the handle can damage the Electronic Solar Switch!
The connector within the handle must remain movable in order to ensure proper contact.
Tightening the screw voids all warranty claims and creates a fire risk.
• Do
not
tighten the connector screw in the Electronic Solar Switch handle.
NOTICE!
The Electronic Solar Switch can be damaged if it is inserted incorrectly!
The Electronic Solar Switch can be damaged by high voltage if it has not been attached
properly.
• Press the handle firmly into place on the socket of the Electronic Solar Switch until it
audibly locks into place.
• Check that the handle is securely in place.
Operation (green)
Ground fault
(red)
Disturbance
(yellow)
