SMA SB 2500TL-21 Installation - Manual (Page 61)

SMA Solar Technology AG Opening and Closing
Installation Manual SB25-30TLST-21-IA-en-13 61
5. If an external DC switch-disconnector is in use, disconnect it.
6. If an ESS is used, check it for wear (see Section 9.3 "Checking the Electronic Solar Switch for
Wear" (page 62)), and plug it in firmly.
7. If a multi-function relay is connected, switch on the supply voltage to the relay.
8. Switch the miniature circuit-breaker on.
9. Check that the display and the LEDs are indicating
a normal operating state
(see Section 7 "Commissioning" (page 52)).
☑ The inverter is now closed and in operation.
NOTICE!
The ESS can be damaged if it is not connected correctly.
• Plug the ESS in securely.
The ESS handle must be flush with the
enclosure.
• Check that the ESS is securely in place.