SMA SUNNY ISLAND 4.4M Schnelleinstieg Seite 10

2 Safety
Danger to life from electric shock due to overvoltages
Overvoltages of up to 1500 V can occur in the stand-alone grid and in the battery-backup grid. If the connected
loads have not been designed for these overvoltages, a voltage that poses a danger to life may be present on
accessible parts for several seconds.
• Only connect loads that have a CE, RCM or UL designation. Loads with a CE, RCM or UL designation are
designed for overvoltages of up to 1500 V.
• Operate the loads only when they are technically faultless and in an operationally safe state.
• Check the loads regularly for visible damage.
Danger to life from electric shock due to damaged inverter
Operating a damaged inverter can lead to hazardous situations that can result in death or serious injuries due to
electric shock.
• Only use the inverter when it is technically faultless and in an operationally safe state.
• Check the inverter regularly for visible damage.
• Make sure that all external safety equipment is freely accessible at all times.
• Make sure that all safety equipment is in good working order at any time.
Risk of crushing injuries due to moving PV array parts
A generator can be started automatically by the Sunny Island. Moving parts in the PV array can crush or sever
body parts.
• Operate the generator only with the specified safety equipment.
• Carry out all work on the generator in accordance with the manufacturer's specifications.
Risk of burns due to short-circuit currents on the disconnected inverter
The capacitors in the DC input area of the inverter store energy. After the battery is isolated from the inverter,
battery voltage is still temporarily present at the DC terminal. A short circuit at the DC terminal of the inverter can
lead to burns and may damage the inverter.
• Wait 15 minutes before performing any work at the DC terminal or on the DC cables. This allows the
capacitors to discharge.
Risk of burns due to hot enclosure parts
Some parts of the enclosure can get hot during operation.
• Mount the inverter in such a way that it cannot be touched inadvertently during operation.
10 SI44M-60H-80H-12-IS-xx-12
Downloaded from www.Manualslib.com manuals search engine
WARNING
WARNING
WARNING
CAUTION
CAUTION
SMA Solar Technology AG
Quick Reference Guide