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6
charging area.
Notice: Any person who is involved with working on or breaking into a
refrigerant circuit should hold a current valid certificate from an
industry-accredited assessment authority, which authorizes their competence
to handle refrigerants safely in accordance with an industry recognized
assessment specification.
Notice: 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 flammable refrigerants.
No person carrying out work in relation to a REFRIGERATING SYSTEM
which involves exposing any pipe work shall use any sources of ignition in
such a manner that it may lead to the risk of fire or explosion. All possible
ignition sources, incl luding cigarette smoking, should be kept sufficiently far
away from the site of installation, repairing, removing and disposal, during
which refrigerant can possibly be rel leased to the surrounding space. Prior to
work taking place, the area around the equipment shall be surveyed to make
sure that there are no flammable hazards or ignition risks. "No Smoking"
signs shall be displ layed.
Checking for presence of refrigerant, The ares shall be checked with an
appropriate refrigerant detector prior to and during work, to ensure the
technician is aware of potentially toxic or flammable atmospheres. Ensure
that the leak detection equipment being used is suitable for use with all
applicable refrigerants, i,e., nonsparking. adequately sealed, or intrinsically
safe.
Ensure that the area is in the open or that it is adequately ventilated before
breaking into the system or conducting any hot work. A degree of ventil lation
shall continue during the period that the work is carried out. The ventilation
should safely disperse any rel leased refrigerant and preferably expel it
externally into the atmosphere.
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