SMA Sunny Central 1000CP-JP, Руководство по обслуживанию

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6 Maintenance SMA Solar Technology AG
Maintenance Manual SCCP-JP-B1-WA-en-22 46
3. Check whether the DC load-break switch is switched off and indicating the Off position.
If the DC load-break switch is not switched off or not indicating the position Off , contact (see Section 9 "Contact",
page 67).
4. Close the doors of the interface cabinet.
5. Switch the inverter to Start .
6. Open the doors of the interface cabinet.
7. Check whether the DC load-break switch is switched on and indicating the position On .
If the DC load-break switch is not switched on or not indicating the position On , contact (see Section 9 "Contact",
page 67).
8. Switch the inverter to Stop .
9. Test the switching process three times.
10. Close the doors of the interface cabinet.
6.4.1.2 Checking the AC Disconnection Unit
The inverter is optionally equipped with an AC disconnection unit. If a circuit breaker manufactured by ABB is installed,
it needs to be checked.
Figure 12: Switch positions of the AC disconnection unit from ABB
Position Designation Explanation
A Switch position on The AC disconnection unit is closed.
B Central switch position The AC disconnection unit was tripped and is open.
C
Switch position off
The AC disconnection unit is open.