SMA Sunny Central 1000CP-JP, Руководство по обслуживанию

Страница: 59 / 68

6 Maintenance SMA Solar Technology AG
Maintenance Manual 59 SCCP-JP-B1-WA-en-22
3. Check the insulation and connections for any discoloration or change in appearance.
If insulation and connections are discolored or changed, contact us (see Section 9 "Contact", page 67).
4. Check the bolted connections for damage and contact elements for corrosion.
If bolted connections are damaged or contact elements corroded, replace them.
6.4.2.11 Checking the Surge Arresters
Figure 18: Position of the surge arresters
Position Designation
A Ready indicator
Additionally required maintenance material (not included in the scope of delivery):
☐ A surge arrester testing device approved by the manufacturer of the surge arrester such as the PM20 by DEHN +
SÖHNE GmbH + Co. KG.
DANGER
Danger to life due to electric shock or electric arc if live components are touched
• Switch off the inverter and wait at least 15 minutes before opening it to allow the capacitors to discharge
completely.
• Disconnect the inverter (see Section 4, page 25).
Procedure:
1. Check whether any ready indicator is red.
If a ready indicator is red, replace the surge arrester.
2. In terms of the surge arresters DEHNguard
®
und BLITZDUCTOR
®
, use the testing device to check that the surge
arrester is ready for operation (instructions for testing are included in the user manual of the testing device).
If the surge arrester is defective, replace it. If necessary, you can order the surge arresters using the order number
stated below. Contact SMA Solar Technology AG or your service partner.