General precautions – Rockwell Automation 20G PowerFlex SCR Bus Supply User Manual
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Overview
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PowerFlex SCR Bus Supply User Manual
General Precautions
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ATTENTION: This Bus Supply contains ESD (Electrostatic
Discharge) sensitive parts and assemblies. Static control
precautions are required when installing, testing, servicing or
repairing this assembly. Component damage may result if ESD
control procedures are not followed. If you are not familiar with
static control procedures, refer to Allen-Bradley publication
8000-4.5.2, “Guarding Against Electrostatic Damage” or any other
applicable ESD protection handbook.
!
ATTENTION: An incorrectly applied or installed Bus Supply
can result in component damage or a reduction in product life.
Wiring or application errors, such as incorrect or inadequate AC
supply, or excessive ambient temperatures may result in
malfunction of the system.
!
ATTENTION: Only qualified personnel familiar with adjustable
frequency AC drives and associated machinery should plan or
implement the installation, start-up and subsequent maintenance of
the system. Failure to comply may result in personal injury and/or
equipment damage.
!
ATTENTION: Connect products with or without precharge
circuitry to the SCR Bus Supply common bus output terminals
within the minimum and maximum capacitance and load rating
guidelines.
!
ATTENTION: To avoid an electric shock hazard, verify that the
voltage on the DC bus terminals (which are connected to the DC
bus capacitors of the Inverter) has discharged before performing
any work on the Bus Supply. Measure the DC bus voltage at the
+DC and -DC output terminals. The voltage must be zero.
!
ATTENTION: A second source of power for the cooling blower
is present. To avoid an electric shock hazard or moving blades,
verify that the AC power supply has been removed prior to
performing any maintenance or repairs.
!
ATTENTION: National Codes and standards (NEC, VDE, BSI,
etc.) and local codes outline provisions for safely installing
electrical equipment. Installation must comply with specifications
regarding wire types, conductor sizes, branch circuit protection,
and disconnect devices. Failure to do so may result in personal
injury and/or equipment damage.