SMA America, LLC
2 Safety
Installation Manual
SB3-5TLUS22-IA-en-10
15
2.3 Safety Precautions
Danger to life from electric shock due to high voltages in the inverter
High voltages that can cause fatal electric shocks are present in the live components of the inverter.
• Any work on the inverter must be carried out by qualified persons only.
• Prior to performing any work on the inverter, disconnect the inverter on the AC and DC sides
(see Section 8 "Disconnecting the Inverter from Voltage Sources", page 58).
• Always operate the inverter with the enclosure lid closed.
• Do not open the upper enclosure lid.
Danger to life from electric shock due to damaged devices
Operating a damaged inverter can lead to hazardous situations that result in serious injuries or
death due to electric shock.
• Operate the inverter only if it is in safe and full working order.
• Check the inverter regularly for visible damage.
• Operate the inverter only if there is no visible damage.
Risk of burns from hot surfaces
The surface of the inverter can become very hot. Touching the surface can lead to burns.
• Do not touch hot surfaces.
• Do not touch any parts other than the lower enclosure lid of the inverter during operation.
• Observe the safety messages on the inverter.
Electrostatic discharges can damage the inverter
Touching electronic components can cause damage to or destroy the inverter through electrostatic
discharge.
• Ground yourself before touching any components.
Observe local regulations
All electrical installations must be made in accordance with the electrical standards applicable
on-site and the
National Electrical Code
®
(ANSI/NFPA 70). Installations in Canada must be
carried out in accordance with the applicable Canadian standards.
