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Chapter 2—Receiving and inspection
POWERXL SERIES VFDS
MN040060EN—September 2020 www.eaton.com
Proper use
The PowerXL frequency inverters are electrical apparatus
for controlling variable speed drives with 3-phase motors.
They are designed for installation in machines or for use in
combination with other components within a machine
or system.
After installation in a machine, the frequency inverters must
not be taken into operation until the associated machine has
been confirmed to comply with the safety requirements of
Machinery Safety Directive (MSD) 2006/42 EC (meets the
requirements of EN 60204). The user of the equipment
is responsible for ensuring that the machine use complies
with the relevant EU Directives.
The CE markings on the PowerXL frequency inverter
confirm that, when used in a typical drive configuration,
the apparatus complies with the European Low
Voltage Directive (LVD) and the EMC Directives
(Directive 2014/35/EU and Directive 2014/30/EU).
In the described system configurations, PowerXL frequency
inverters are suitable for use in public and non-public
networks.
ote:
N
If use in public networks, please contact Eaton for
further information.
A connection to IT networks (networks without reference
to earth potential) is permissible only to a limited extent,
because the device’s built-in filter capacitors connect the
network with the earth potential (enclosure). On earth free
networks, this can lead to dangerous situations or damage
to the device (isolation monitoring required).
To the output of the frequency inverter (terminals U, V, W)
you must not:
•
connect a voltage or capacitive loads (for example, phase
compensation capacitors);
•
connect multiple frequency inverters in parallel; or
•
make a direct connection to the input (bypass).
Observe the technical data and connection requirements.
For additional information, refer to the equipment nameplate
or label at the frequency inverter, and the documentation.
Any other usage constitutes improper use.
Maintenance and inspection
PowerXL frequency inverters are maintenance free.
However, external influences may affect the function
and the lifespan of the PowerXL frequency inverter. We
therefore recommend that the devices are checked regularly
and the following maintenance measures are carried out at
the specified intervals.
If the PowerXL frequency inverter is damaged by external
influences, contact Technical Service.
Table 14. Maintenance measures and intervals.
Maintenance measure
Maintenance interval
Clean cooling vents (cooling slits)
If required
Check the fan function
6–24 months (depending on
the environment)
Filter in the switching cabinet doors
(see manufacturer specifications)
6–24 months (depending on
the environment)
Check the tightening torques of the terminals
(control signal terminals, power terminals)
Regularly
Check connection terminals and all metallic
surfaces for corrosion
6–24 months (depending on
the environment)
Storage
If the frequency inverter is stored before use, suitable
ambient conditions must be ensured at the site of storage:
•
Storage temperature: –40°F to 158°F (–40°C to 70°C);
•
Relative average air humidity: <95%, noncondensing,
non-corrosive; and
•
To prevent damage to the DC link capacitors, storage
times longer than 12 months are not recommended.
Charging the internal DC link capacitors
After extended storage times or extended downtimes
during which no power is supplied (>12 months), the
capacitors in the internal DC link must be recharged in a
controlled manner in order to prevent damage. To do this,
the PowerXL variable frequency drive must be supplied
with power, with a controlled DC power supply unit, via two
mains DC bus connection terminals. Please consult the
factory for detailed instructions.
