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Panasonic WH-UD03JE5 Serie Bedienungsanleitung Seite 10

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  • DEUTSCH, seite 344
Safety precautions
2-2. Work
• Prior to beginning work on systems
containing flammable 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 flammable 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 confined 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.
• Keep all sources of ignition and hot
metal surfaces away.
10
2-3. Checking for presence of
refrigerant
• The area shall be checked with an
appropriate refrigerant detector prior
to and during work, to ensure the
technician is aware of potentially
flammable atmospheres.
• Ensure that the leak detection
equipment being used is suitable for
use with flammable refrigerants, i.e.
non sparking, adequately sealed or
intrinsically safe.
• In case of leakage/spillage
happened, immediately ventilate
area and stay upwind and away from
spill/release.
• In case of leakage/spillage
happened, do notify persons down
wind of the leaking/spill, isolate
immediate hazard area and keep
unauthorized personnel out.
2-4. Presence of fire extinguisher
• If any hot work is to be conducted
on the refrigerating equipment or
any associated parts, appropriate
fire extinguishing equipment shall be
available at hand.
• Have a dry powder or CO
extinguisher adjacent to the charging
area.
fire
2

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