SMA SSM-U-1615 - Manual (Page 52)

10 Maintenance
10.1 Safety during Maintenance
Danger to life from electric shock due to live voltage
High voltages are present in the live components of the product. Touching live components results
in death or serious injury due to electric shock.
• Wear suitable personal protective equipment for all work on the product.
• Do not touch any live components.
• Unless live voltage is absolutely necessary, always disconnect the product from voltage
sources before performing any work (see Section 8 "Disconnecting and Reconnecting",
page 46).
Risk of burns due to hot components
Some components of the product can get very hot during operation. Touching these components
can cause burns.
• Observe the warnings on all components.
• During operation, do not touch any components marked with such warnings.
• Wear suitable personal protective equipment for all work on the product.
Property damage due to dust intrusion and moisture penetration
Dust or moisture intrusion can damage the product and impair its functionality.
• Do not open the enclosure during rainfall or when humidity exceeds the specified threshold.
The threshold for humidity is: 95 %.
• Only perform maintenance work when the environment is dry and free of dust.
• Operation of the product is only permitted when it is closed.
• If the installation or commissioning process is interrupted, mount all panels.
• Close and lock the enclosure.
• The product must always be closed for storage.
• Store the product in a dry and covered location.
• Temperature at the storage location must be in the specified range. The temperature range
is: ‒40°C to +70°C.
10 Maintenance SMA Solar Technology AG
Operating Manual SSMUXX15-BE-en-10 52