Safety
18 / 234 H172203_1_001
Electrostatic discharge from friction may occur, resulting in an electric spark and loud bang.
Use ESD flooring and wear ESD shoes.
WARNING
Risk to life from contact voltage!
Absent or faulty protective earth conductor may result in contact voltage. This may pose a
risk of injury or death.
u Before the initial commissioning of the device, connect the main power supply to the
socket and verify the complete functionality of the protective earth conductor.
Figure2.1: Warning Labels on AV4 Fan Tray and AV4 PSM-48V