HarmonicGuard
®
Low Capacitance
Introduction
HGL IOM Manual - Rev. B
1
Introduction
Safety Instructions Overview
This section provides the safety instructions which must be followed when installing, operating, and
servicing the HarmonicGuard
®
Low Capacitance (HGL) filter. If neglected, physical injury or death may
follow, or damage may occur to the filter or equipment connected to the HGL filter. The material in this
chapter must be read and understood before attempting any work on, or with, the product.
The HGL filter is intended to be connected to the input terminals of one or more VFDs. Three-phase
power is connected to the input terminals of the HGL and power is supplied to the VFD or VFDs through
the HGL. The instructions, and particularly the safety instructions, for the VFDs, motors, and any other
related equipment must be read, understood, and followed when working on any of the equipment.
Warnings and Cautions
This manual provides two types of safety instructions. Warnings are used to call attention to instructions
that describe steps that must be taken to avoid conditions that can lead to a serious fault condition,
physical injury, or death.
Cautions are used to call attention to instructions that describe steps that must be taken to avoid
conditions that can lead to a malfunction and possible equipment damage.
Warnings
Readers are informed of situations that can result in serious physical injury and/or serious damage to
equipment with warning statements highlighted by the following symbols:
Warning
Dangerous Voltage Warning: warns of situations where high
voltage can cause physical injury and/or damage equipment.
The text next to this symbol describes ways to avoid the
danger.
Warning
!
General Warning: warns of situations that can cause physical
injury and/or damage equipment by means other than electrical.
The text next to this symbol describes ways to avoid the
danger.
Warning
Electrostatic Discharge Warning: warns of situations in which
an electrostatic discharge can damage equipment. The text next
to this symbol describes ways to avoid the danger.
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.
Summary of Contents for HarmonicGuard Series
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