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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.
7) 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. The ventilation should safely
disperse any released refrigerant and preferably expel
it externally into the atmosphere.
8) Checks to the refrigeration equipment
Where electrical components are being changed,
they shall be fit for the purpose and to the correct
specification. At all times the manufacturer's
maintenance and service guidelines shall be followed.
If in doubt consult the manufacturer's technical
department for assistance. The following checks
shall be applied to installations using flammable
refrigerants:
The charge size is in accordance with the room size
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