SMA SC 500HE-20 Installation - Manual (Page 57)

SMA Solar Technology AG 12 Commissioning
Installation Manual SCxxxHE-20-IA-IEN111210 57
12 Commissioning
12.1 Commissioning the Inverter
1. Check the cabling on the inverter (see section 12.2).
2. Commission the DC sub-distribution, e.g. Sunny String-Monitor
(see DC sub-distribution documentation).
3. Commission the DC main distribution, e.g. Sunny Main Box
(see DC main distribution documentation).
4. Check the DC voltages (see section 12.3.1).
5. Insert fuses or disconnecting blades (see section 12.5).
7. Check the AC grid voltage (see section 12.3.2).
8. Check the AC self-consumption voltage (see section 12.3.3).
9. Switch on the voltage supply (see section 12.6).
☑ The electronic components of the inverter switch on.
☑ The fans switch on and start taking air in through the air intake vents.
✖ The fans have not come on?
• Contact the SMA Serviceline.
8"3/*/(
Danger of fire if the connection is faulty.
• Switch off all switch elements before the test:
– Switch the inverter to Stop.
– Pull out the fuses.
– Switch off the internal main switches and the miniature circuit-breaker.
Warranty or Guarantee Claims
Warranty or guarantee claims can only be made valid if the initial start-up was carried out by
SMA Solar Technology AG or if the fully completed and signed "Commissioning Report for
Sunny Central Plants" is completed and available at SMA Solar Technology AG.
6.
Only a duly authorized person trained in electrical safety can connect the
AC voltage of the medium-voltage transformer.
Switch on the AC voltage of the medium-voltage transformer.