Instructions

A12C
4
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the leak detection equipment being used is suitable for use
with flammable refrigerants, i.e. nonspeaking, adequately
sealed or intrinsically safe.
1.5 Presence of fire extinguisher
If any hot work is to be conducted on the refrigeration equipment or
any associate
parts, appropriate fire extinguishing equipment shall
be available to hand. Have a
dry powder or fire extinguisher adjacent to the charging area.
1.6 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 sur rounding 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.
1.7 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