to the task being carried out,
an oil and refrigerant sample
shall be taken in case analysis
is required prior to re-use of
reclaimed refrigerant. It is
essential that electrical power
is available before the task is
commenced.
• Become familiar with
the equipment and its
operation.
• Isolate system electrically.
• Before attempting the
procedure ensure that:
- mechanical handling
equipment is available,
if required, for handling
refrigerant cylinders;
- all personal protective
equipment is available
and b eing u sed c orrectly;
- the recovery process is
supervised at all times by
a competent person;
- recovery equipment and
cylinders conform to the
appropriate standards.
• Pump down refrigerant
system, if possible.
• If a vacuum is not possible,
make a manifold so that
refrigerant can be removed
from various parts of the
system.
• Make sure that cylinder
is situated on the scales
before recovery takes
place.
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• Start the recovery machine
and operate in accordance
with manufacturer's
instructions.
• Do not overfill cylinders.
(No more than 80 %
volume liquid charge).
• Do not exceed the
maximum working
pressure of the cylinder,
even temporarily.
• When the cylinders
have been filled
correctly and the proces
completed, make sure
that the cylinders and the
equipment are removed
from site promptly and
all isolation valves on the
equipment are closed off.
• Recovered refrigerant
shall not be charged
into another refrigeration
system unless it has been
cleaned and checked.
• Equipment shall be labelled
stating that it has been de-
commissioned and emptied
of refrigerant. The label
shall be dated and signed.
Ensure that there are labels
on the equipment stating
the equipment contains
flammable refrigerant.
• When removing
refrigerant from a system,
either for servicing or
decommissioning, it is
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