Commissioning
SMA Solar Technology AG
26
SB3300TLHC-IEN094121
Installation Guide
6 Commissioning
Check the following requirements before commissioning:
• The cover is securely screwed on.
• The AC (power) cable is connected correctly.
• The DC cables (PV-Strings) are fully connected.
• The unused DC plug connectors on the underside of the housing are sealed with protecting
caps.
• The Electronic Solar Switch (ESS) is correctly attached.
• The line circuit breaker is correctly rated.
Commissioning Procedure
1. Switch the line circuit breaker to the "On" position.
2. Now look at the LED display and consult the table
on the following page to check whether the Sunny
Boy is in a fault-free and expedient operating
mode. If this is the case, commissioning was
successfully completed.
On
Operation
(green)
Ground fault
(red)
Disturbance
(yellow)