TCI HGA Manual - Manual (Page 12)

12
Cautions
Readers are informed of situations that can lead to a malfunction and possible equipment damage with
caution statements:
Caution
General Caution: Identifies situations that can lead to a malfunction and possible equipment damage.
The text describes ways to avoid the situation.
General Safety Instructions
These safety instructions are intended for all work on the HGA filter. Additional safety instructions are
provided at appropriate points on other sections of this manual.
Warning
Be sure to read, understand, and follow all safety instructions.
Warning
Only qualified electricians should carry out all electrical installation and maintenance work on the
HGA filter.
Warning
All wiring must be in accordance with the National Electrical Code (NEC) and/or any other codes that
apply to the installation site.
Warning
Disconnect all power before working on the equipment.
Do not attempt any work on a powered HGA filter.
Warning
The HGA filter drive, motor, and other connected equipment must be properly grounded.
Warning
The HGA filter may receive power from two or more sources.
Three-phase power is connected to the main input terminals of the HGA filter.
All of these sources of power must be disconnected before working on the HGA filter.
Warning After switching off the power, always allow 5 minutes for the capacitors in the HGA filter and in the
drive to discharge before working on the HGA filter, the drive, the motor, or the connecting wiring. It
is good practice to check with a voltmeter to make sure that all sources of power have been
disconnected and that all capacitors have discharged before beginning work.
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