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—
06—
Important Safety Instructions
6-1 Checks to the area
● Prior to beginning work on systems containing flammable refrigerants,safety
checks are necessary to ensure that the risk of ignition 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 of work 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
·T
he
du
r
area shal
ing work
b
to
e
e
checked with an
nsure the techni
c
ap
ia
p
n
r
i
o
s
priat
awa
e
r
e
r
ef
of
r
igerant det
potentially
e
f
ctor
lam
pri
ma
or
bl
e
to and
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
associated parts,appropriate fire extinguishing equipment shall be available to
hand.
·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.
●All possible ignition sources,including cigarette smoking,should be kept
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