8
HGL IOM Manual - Rev. B
HarmonicGuard
®
Low Capacitance
Installation
Installation
Intended Audience
This manual is intended for use by all personnel responsible for the installation, operation and maintenance of
the HGL filters. Such personnel are expected to have knowledge of electrical wiring practices, electronic
components and electrical schematic symbols.
Additional Information
Installation Checklist
The following are the key points to be followed for a successful installation. These points are explained
in detail in the following sections of this manual.
Make sure that the installation location will not be exposed to direct sunlight, corrosive or
combustible airborne contaminants, excessive dirt or liquids.
Select a mounting area that will allow adequate cooling air and maintenance access.
Make sure that all wiring conforms to the requirements of the National Electrical Code
(NEC) and/or other applicable electrical codes.
Connect the HGL equipment-grounding lug to the system ground of the premises wiring system.
Use a properly sized grounding conductor.
Connect three-phase power to the input terminals of the HGL, L1, L2 & L3.
Connect the output power terminals, of the HGL, T1, T2 & T3, to the input power terminals of
the VFD.
Maintenance and Service
HGL Filter Reliability and Service Life
The HGL has been designed to provide a service life that equals or exceeds the life of the VFD. It
has been thoroughly tested at the factory to assure that it will perform reliably from the time it is
put into service. It is recommended that the following maintenance is performed once a year to
ensure that the HGL filter will always operate reliably and provide the expected service life.
Periodic Maintenance
Caution
This manual provides general information describing your HGL filter. Be sure
to carefully review the more specific information that is provided by the
drawings shipped with the unit. Information provided by the drawings takes
precedence over the information provided in this manual.
The ratings, dimensions and weights given in this manual are approximate and
should not be used for any purpose requiring exact data. Contact the factory in
situations where certified data is required. All data is subject to change without
notice.
Warning
Only qualified electricians should carry out all electrical installation and
maintenance work on the HGL filter.
Disconnect all sources of power to the drive and HGL before working on
the equipment. Do not attempt any work on a powered HGL.
Содержание HarmonicGuard Series
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