Document 2.4.128, Revision 3
October, 2017
2
Network Transformer Instruction Manual
Read these instructions carefully and become familiar with the equipment before
proceeding with installation, operation, or maintenance activities. This equipment
contains extremely hazardous voltages. To prevent death, serious personal
injury, or equipment damage, all information in these instructions should be read
and observed. Safe use of this equipment is dependent on proper installation,
operation, and maintenance procedures.
Certain information in this manual is marked with the words DANGER, WARNING, or
CAUTION, which indicate hazards.
• DANGER indicates an imminently hazardous situation which, if not avoided, will
result in death or serious personal injury and may also result in damage to the
equipment.
• WARNING indicates a potentially hazardous situation which, if not avoided, could
result in death or serious personal injury and may also result in equipment
damage.
• CAUTION indicates a potentially hazardous situation which, if not avoided, could
result in minor or moderate personal injury and may also result in damage to the
equipment.
Personnel should not attempt to service this equipment until it has been effectively
de-energized, and all high-voltage and low-voltage bushing terminals have been
properly grounded. Only qualified personnel should install, maintain, and operate
this equipment. Qualified personnel are those who are trained in the installation,
maintenance, and operation of high-voltage equipment, trained in the proper use
of personal protective equipment (such as rubber gloves, safety glasses, protective
clothing, hard hats, etc.) and trained in appropriate first aid procedures.
The instructions contained herein are intended to be a general guide for the
installation, operation and maintenance of this equipment, when operated in
“Usual Service Conditions” as defined in IEEE Standard C57.12.00. Although efforts
have been made to ensure accuracy and completeness, these instructions do not
address every conceivable application or circumstance that might be encountered.
Features presented herein may not be present in all equipment designs. Standard
and optional features are subject to change without notice. Howard Industries
makes no representation or warranty with respect to and assumes no responsibility
for the completeness, accuracy, sufficiency, or usefulness of these instructions.
These instructions do not cover the installation, operation or maintenance of the
secondary network protector or any other accessory equipment installed by the
user. Users should refer to instructions provided by the manufacturer of such
equipment.
Questions regarding installation, operation, and maintenance, particularly when
encountering unusual or special circumstances not sufficiently covered by these
instructions, should be directed to the Howard Industries Transformer Division.
READ THIS IMPORTANT SAFETY INFORMATION