SMA SSM16-11 - Manual (Page 11)

SMA Solar Technology AG 2 Safety
Installation Guide SSM16-24-IA-IEN105120 11
Electric Shock
The Sunny String-Monitor is connected to high voltages. Work on the Sunny String-Monitor is only
allowed if the power is disconnected and in compliance with the guidelines that apply at the
installation location.
• Disconnecting the device:
– Remove the DC fuses in the central inverter or main DC distributor, such as the Sunny Main
Box, in a no-load condition.
– Switch off the DC circuit breaker in the Sunny String-Monitor.
– Only open or close the isolation terminals in the Sunny String-Monitor in a no-load condition.
– Only insert or remove the fuses when wearing personal protective gear.
– Only plug in or unplug the Solar Plug when no load is present.
• Ensure that the device cannot be reconnected.
• Ensure that no voltage is present in the system.
• Ground and short-circuit.
• Cover or safeguard any adjacent live components. Protective covers must always be fitted.
If there is a grounding fault, grounded plant sections may be presumed live.
• Ensure there is no voltage present before touching.
Operating a damaged Sunny String-Monitor may cause severe injury from electric shock.
• The Sunny String-Monitor may only be used when it is technically faultless and safe to operate.
• Operate the Sunny String-Monitor only without visible damage and check regularly for visible
damage.
• Ensure that all external safety equipment is freely accessible at all times and is regularly checked
for proper functioning.
Burns
Some components, such as fuses, can become hot during operation.
• Wear safety gloves when working on the device.