ABB UniSec Operation And Maintenance Manual page 2

2 U N I S E C O P E R AT I O N A N D M A I N T E N A N C E M A N U A L
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Safety
Foreword
• This manual provides rules and guidelines that will
help you use the switchgear safely. The precautions
in this instruction manual must be followed at all
times during installation, operation and
maintenance. Most accidents are caused by the
failure to follow fundamental safety rules when
installing, operating and maintaining equipment;
accidents can be prevented by knowing beforehand
what may cause hazards.
• BEFORE working on the switchgear, you must set it
to safety mode.
• BEFORE working on the switchgear, the site
manager or the operator must carry out an overall
assessment of the safety conditions. The
preventive safety measures included in this
manual do not take the specific on-site risk
assessment into consideration.
• This manual is neither a safety plan, nor a safety
procedure, nor a safety risk assessment for the
installation, operation and maintenance of this
product. It does not substitute documents required
by local law, nor any other applicable safety
requirements.
• ABB is not liable for any site safety risk assessment,
nor for faulty work done on the switchgear due to
an incorrect safety evaluation.
• You must ensure that only SKILLED PERSONNEL do
installation, operation and maintenance work on
this equipment.
• Safety measures will not be effective if the product
has been manipulated (modified outside ABB's
control).
For your safety
• Strictly follow this instruction manual.
• Only install switchgear in indoor conditions suitable
for electrical equipment.
• Ensure that installation, operation and maintenance
are carried out only by professional electricians.
• Comply fully with the standards in force (IEC or
local), the connection conditions of the local power
utility and the applicable work safety regulations.
• Follow the relevant instructions in the manual for all
work involving the switchgear.
• Please refer to the relevant instruction manual to
use the circuit breaker.
Personnel
• All installation, commissioning, operation and
maintenance must be carried out by skilled
personnel with in-depth knowledge of the
equipment.
Key words
Pay special attention to the information
flagged in the manual by the following symbol:
After this symbol there are four different
indications which explain the possible type of
injuries or damage which may be caused when the
instructions, including recommended safety
precautions, are not followed.
• DANGER - identifies the more serious and
immediate hazards, which can result in serious
personal injury or death
• WARNING - identifies hazards or unsafe practices
which can result in serious personal injuries or
death
• CAUTION - identifies hazards or unsafe practices
which can result in minor personal injuries or
property damage
• NOTE - identifies important procedures or
requirements which, if not followed, can result in
property damage
WARNING
Make sure that the specified electrical ratings are
not exceeded under switchgear operating
conditions. Keep the manual accessible to all
personnel involved in installation, operation and
maintenance . The user's personnel are responsible
for all matters regarding safety in the workplace
and correct use of the switchgear
WARNING
Always follow with the instructions in the manual
and respect the rules of good engineering
practices (GEP)! Hazardous voltages can cause
serious injuries or death! Disconnect the power
and earth the live parts before proceeding with
any work on the apparatus. Follow the safety
regulations in force in the place of installation.