Removing The Transport Lock From The Inverter Cabinet; Replacing The Desiccant Bag In The Inverter Cabinet - SMA SUNNY CENTRAL 500CP XT Installation Manual

8 Installing the Sunny Central
4. Remove the panels.

8.4 Removing the Transport Lock from the Inverter Cabinet

Damage to electronic components due to electrostatic discharge
Electrostatic discharge can damage or destroy electronic components.
• When working on the Sunny Central or handling assemblies, observe the ESD safety regulations and wear
protective gloves.
• Discharge electrostatic charge by touching uncoated, grounded enclosure parts (e.g. near the grounding
connection on the doors). Only then is it safe to touch electronic components.
Subject to the production version, the three inverter bridges are secured for transport with ESD bubble wrap.
Procedure:
1. Open the inverter cabinet.
2. Remove the bubble wrap from each of the three inverter bridges.
Be sure to observe all ESD protection measures.
3. Close the inverter cabinet.

8.5 Replacing the Desiccant Bag in the Inverter Cabinet

Desiccant bag in the inverter cabinet
The desiccant bag in the inverter cabinet protects the electronic components from moisture. The desiccant bag must
be replaced by a new desiccant bag one day before commissioning.
Procedure:
1. Open the inverter cabinet.
2. Remove and dispose of the desiccant bags located under the inverter bridge.
3. Remove the foil from the desiccant bag included in the scope of delivery and position it under the inverter bridges.
4. Close the inverter cabinet.
36 SCCPXT-IA-D7-en-42
SMA Solar Technology AG
Installation Manual