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MSD Manual
General Safety Instructions
These safety instructions are intended for all work on the MotorShield
instructions are provided at appropriate points on other sections of this manual.
Warning
Be sure to read, understand, and follow all safety instructions.
Warning
Dangerous Voltage is used in the operation of the MotorShield™. Only qualified electricians
should carry out all electrical installation and maintenance work on the MotorShield™.
Warning
Do not attempt any work on a powered MotorShield™.
All sources of power must be disconnected before working on the MotorShield™.
Warning
After removing power, always allow 5 minutes for the capacitors in the MotorShield™ and in
the drive to discharge before working on the MotorShield™, the drive, the motor, or
connecting wiring. Verify with a voltmeter to make sure that all sources of power have been
disconnected and that all capacitors have discharged before beginning work.
Caution
The drive output terminals, MotorShield™ and the motor cables are at a dangerously high
voltage when power is applied to the drive regardless of motor operation.
Warning
All wiring must be in accordance with the National Electrical Code (NEC) and/or any other
codes that apply to the installation site.
Caution
Visually inspect and secure all loose electrical connections before applying power to the
filter. Failure to do so may result in filter damage or diminished filter performance.
Warning
The MotorShield™, drive, motor, and other connected equipment must be properly
grounded.
Warning
Prior to operation, confirm the drive operation mode is set to Volts per Hertz mode prior to
operation. Consult the drive manufacturer for proper configuration parameters. Failure to
properly configure the drive could result in drive failure or filter component failure.
2
1.0 Safety
. Additional safety
™
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