GB
79
• 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.
• 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 process 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.
10 LABELLING
• 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.
11 RECOVERY
• When removing refrigerant from a system, either
for servicing or decommissioning, it is recommended
good practice that all refrigerants are removed safely.
When transferring refrigerant into cylinders, ensure
that only appropriate refrigerant recovery cylinders
are employed. Ensure that the correct number of
