SMA SC 500CP-US - Manual (Page 97)

SMA America, LLC 16 Commissioning
Installation Manual SCCP-US-IA-US_en-41 97
16.8 Switch the Inverter On
Requirements:
☐ All electrical connections made on site must be correctly established.
☐ The grounding resistance of the plant has been measured.
☐ All values measured must be within the permissible range.
☐ The grounding resistance of the plant must be greater than 45 k Ω .
☐ The inverter doors must be kept closed.
Procedure:
1. Lock the inverter cabinet doors.
2. If a DC switch is present, switch the DC Switch in the door to ON.
3. Turn the key switch to Start.
☑ The DC switch audibly switches on.
☑ The AC switch audibly switches on.
4. If the inverter carries out a fan test, check the ventilation.
☑ The fans switch on and start drawing air in through the air intake vents.
✖ The fans do not switch on?
• Contact the SMA Service Line.
☑ If there is sufficient irradiation, the inverter will feed into the utility grid.
✖ The touch display is showing an error.
• Eliminate the error (see the Sunny Central operating manual).
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Danger to life through electric shock in the event of improper use or unauthorized opening of the inverter
During operation, high voltages are present in the inverter. Touching live components results in death or serious injury
due to electric shock.
• Do not operate the inverter while the door is open.
• Only switch on the inverter if the doors are closed and locked.
• Keep the keys in a safe place.