DOC-0017-04-EN: AC20 Series - Hardware Installation Manual
4 (154) DOC-0017-04-EN-A 22.03.2023
Safety & EMC Requirements
Where there is a conflict between safety and EMC requirements, personnel safety shall always take
precedence.
Safety
Ignoring the following may result in injury or
damage to equipment:
•
Never perform high voltage resistance checks on the wiring without
first disconnecting the inverter from the circuit being tested.
• Whilst ensuring ventilation is sufficient, provide guarding and /or
additional safety systems to prevent injury or damage to equipment.
• When replacing an inverter in an application and before returning to
use, it is essential that all user defined parameters for the product’s
operation are correctly installed.
• When replacing an inverter in an application and before returning to
use, it is essential that all user defined parameters for the product’s
operation are correctly installed.
• All control and signal terminals are SELV, i.e. protected by double
insulation. Ensure all external wiring is rated for the highest system
voltage.
• Thermal sensors contained within the motor must have at least basic
insulation.
• All exposed metalwork in the Inverter is protected by basic insulation
and bonded to a safety earth.
• RCDs are not recommended for use with this product but, where their
use is mandatory, only Type B RCDs should be used.
EMC
Ignoring the following may result in injury or
damage to equipment:
• In a domestic environment this product may cause radio interference in
which case supplementary mitigation measures may be required.
• This equipment contains electrostatic discharge (ESD) sensitive parts.
Observe static control precautions when handling, installing and
servicing this product.
• This is a product of the restricted sales distribution class according to
IEC 61800-3. It is designated as “professional equipment” as defined in
EN61000-3-2 for AC20: Frame sizes 2 (excluding 1ø 2.2kW), & 3
(400V products only). Permission of the supply authority shall be
obtained before connection to the public low voltage supply.
For all other Frame sizes not specified above, connection to the public
LV supply must be agreed case by case between manufacturer,
installer or user and distribution network operator.
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