Safety instructions
PM250 Power Module
14 Hardware Installation Manual, 09/2012, A5E01003502B AD
CAUTION
Cable connection
The control cables must be laid separately from the power cables. Carry out the
connections as shown in the installation section in this manual, to prevent inductive and
capacitive interference from affecting the correct function of the system.
Mechanical Installation
WARNING
To ensure the safe operation of the equipment, it must be installed and commissioned by
qualified personnel in full compliance with the warnings laid down in this manual.
Take particular note of the general and regional installation and safety regulations
regarding work on dangerous voltage installation (e.g. EN 61800-5-1) as well as the
relevant regulations regarding the correct use of tools and personal protective equipment
(PPE).
WARNING
Power and motor connections
The inverter must be grounded from the supply side and the motor side. If it is not grounded
correctly, extremely dangerous conditions may arise which could prove potentially fatal.
Isolate the mains electrical supply before making or changing connections to the unit.
Ensure that the appropriate circuit-breakers/fuses with the specified current rating are
connected between the power supply and the inverter.
The terminals of the Inverter can carry dangerous voltages even if the inverter is
inoperative. Wait at least 5 minutes to allow the unit to discharge after switching off the line
supply before carrying out any installation work.
When connecting the line supply to the inverter, make sure that the terminal case of the
motor is closed.
When changing from the ON to OFF-state of an operation if an LED or other similar display
is not lit or active; this does not indicate that the unit is switched-off or powered-down.
Ensure that the inverter is configured for the correct supply voltage – it must not be
connected to a higher voltage supply.
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