4 MNS-SG Operation and Maintenance | Manual
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Important user information
ABB shall not assume any liability for any of the following:
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Negligent handling of the MNS-SG (Switchgear) system.
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Insufficient maintenance or non-compliance with the
recommendations presented in this manual and other
documents related to the MNS-SG and its components.
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Inappropriate repairs or modifications to the equipment.
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Operation, installation or maintenance of the equipment
by personnel who lack appropriate training and/or
authorization.
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Failure to follow appropriate safety procedures or use of
the proper personal protective equipment, including arc
flash, insulating, shielding materials, and use of insulated
tools and test equipment per the National Electrical
Safety Code (ANSI C2) and Electrical Equipment
Maintenance (NFPA 70E).
The examples and diagrams in this manual are included
exclusively for illustrative purposes. Because many variables
and requirements are associated with each particular
installation, ABB, Inc. cannot assume responsibility or
liability for actual use based on the examples and diagrams.
Reproduction of the contents of this manual, in whole or in
part, without written permission of ABB, Inc., is prohibited.
Safety notices
READ THIS MANUAL CAREFULLY BEFORE ATTEMPTING TO
INSTALL, OPERATE OR MAINTAIN THIS EQUIPMENT.
Keep this manual available for the installation, operation
and maintenance of this equipment. After installing the
equipment, file these instructions with other instruction
books, drawings and descriptive data for this equipment.
Using these instructions will facilitate proper equipment
maintenance and prolong its useful life.
Install the switchgear within the design limitations
described in this manual. This equipment is designed to
operate within the current and voltage limitations on the
main nameplate. Do not use or install this equipment in
applications or systems using current and/or voltages that
exceed its limits.
Follow your company’s safety procedures.
Do not remove covers, open doors or work on equipment
unless power has been turned off and all circuits de-
energized. All components should be electrically disconnected
by means of a visible break, securely grounded and locked
out, and tagged in accordance with precautions stated in
ANSI Standard Z244.1 Control of Hazardous Energy
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Lockout/Tagout and Alternative Methods and ISO Standards.
Personnel performing installation, operation or maintenance
work on the equipment should wear the appropriate personal
protective equipment.
Personnel installing, operating or maintaining this equipment
must have thorough knowledge of all applicable local,
regional, industry, governmental, ISO and OSHA safety
procedures. They must also follow commonly accepted safe
working practices based on the potential hazards involved.
Personnel working in or around this equipment must use
common sense and good judgment regarding the potential
hazards to themselves and other personnel in the area.
These instructions are intended for use by fully qualified
personnel and are not a substitute for adequate training,
experience and supervision. This manual is not intended to be
a substitute for adequate training and experience in the
safety procedures related to this device. If you require
clarification or additional information, contact your ABB
representative. Please reference the Project Number shown
on the equipment main nameplate. See Lineup Nameplate
section of this manual.
Warning
Detailed descriptions of standard repair procedures, safety
principles and service operations are not included. It is
important to note this document contains some warnings
and cautions against some specific service methods that
could cause personal injury to service personnel, damage
equipment, or render it unsafe. These warnings do not cover
all conceivable ways in which service, whether or not
recommended by ABB, might be performed, or the possible
hazardous
consequences of each conceivable way, nor could
ABB investigate all such ways.
