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06—
IMPORTANT SAFETY INSTRUCTIONS
6.Information on servicing
6-1 Checks to the area
● Prior to beginning work on systems containing flammable refrigerants,safety
checks are necessary to ensure that the risk ofignition is minimised.
·For repair to the refrigerating system,the following precautions shall be
complied with prior to conducting work on the system.
6-2 Work procedure
·Work shall be undertaken under a controlled procedure so as to minimise the risk
ofa flammable gas or vapour being present while the work is being performed.
6-3 General work area
·All maintenance staff and others working in the local area shall be instructed on
the nature ofwork being carried out.Work in confined spaces shall be avoided.
·The area around the workspace shall be sectioned off.Ensure that the conditions
within the area have been made safe by control of flammable material.
6-4 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.
6-5 Presence of fire extinguisher
●Ifany hot work is to be conducted on the refrigeration equipment or any
a
h
ssoc
and
iated parts,appropriate fire extinguishing equipment shall be available to
·Have a dry powder or CO2 fire extinguisher adjacent to the charging area.
6-6 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.
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