1.1.5 Checking for presence of refrigerant. T
he
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.
1.1.6 Presence of fire extinguisher. if any hot work is to be
conducted on the refrigeration equipment or any
associated parts,
appropriate fire extinguishing equipment shall be available
at hand.
Have a dry powder or CO2 fire extinguisher adjacent to the
charging area.
1.1.7 No ignition sources. No person carrying out work in relation
to a refrigeration system which involves exposing any pipe work
that contains or has contained flammable refrigerant 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, including cigarette smoking, should
be kept sufficiently far away from the site of installation, repairing,
removing and disposal, during which flammable refrigerant can
possibly be released to the surrounding space.
Prior to work taking place, the area around the equipment is to be
surveyed to make sure that there are no flammable hazards or
ignition risks. No Smoking signs shall be displayed.
1.1.8 Ventilated area. 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 ventilation shall continue during the period that the
work is carried out. T
he
ventilation
should
safely
disperse
any
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