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English
2. Servicing
2-1. Service personnel
• The system is inspected, regularly
supervised and maintained by
a trained and certi
fi
ed service
personnel who is employed by the
person user or party responsible.
• Ensure the actual refrigerant
charge size is in accordance with
the room size within which the
refrigerant containing parts are
installed.
• Ensure refrigerant charge not to
leak.
• Any quali
fi
ed person who is
involved with working on or
breaking into a refrigerant circuit
should hold a current valid
certi
fi
cate from an industry-
accredited assessment authority,
which authorizes their competence
to handle refrigerants safely in
accordance with an industry
recognised assessment
speci
fi
cation.
• Servicing shall only be performed
as recommended by the equipment
manufacturer. Maintenance and
repair requiring the assistance of
other skilled personnel shall be
carried out under the supervision of
the person competent in the use of
fl
ammable refrigerants.
• Servicing shall be performed
only as recommended by the
manufacturer.
2-2. Work
• Prior to beginning work on
systems containing
fl
ammable
refrigerants, safety checks are
necessary to ensure that the risk
of ignition is minimised. For repair
to the refrigerating system, the
precautions in #2-2 to #2-8 must
be followed before conducting
work on the system.
• Work shall be undertaken under
a controlled procedure so as to
minimize the risk of a
fl
ammable
gas or vapour being present while
the work is being performed.
• All maintenance staff and others
working in the local area shall be
instructed and supervised on the
nature of work being carried out.
• Avoid working in con
fi
ned spaces.
Always ensure away from source,
at least 2 meter of safety distance,
or zoning of free space area of at
least 2 meter in radius.
• Wear appropriate protective
equipment, including respiratory
protection, as conditions warrant.
• Ensure that the conditions within
the area have been made safe
by limit of use of any
fl
ammable
material. Keep all sources of
ignition and hot metal surfaces
away.
Safety precautions
ACXF55-20720_EN.indd 9
ACXF55-20720_EN.indd 9
4/27/2018 12:07:11 PM
4/27/2018 12:07:11 PM
