Toshiba MMU-UP0151SH-E Installation Manual page 13

18.Labelling
• Equipment shall be labelled stating that it has been decommissioned
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.
19.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 cylinders for holding the total
system charge are available.
• All cylinders to be used are designated for the recovered refrigerant
and labelled for that refrigerant (i.e. special cylinders for the recovery
of refrigerant).
• Cylinders shall be complete with pressure-relief valve and associated
shut-off valves in good working order.
• Empty recovery cylinders are evacuated and, if possible, cooled
before recovery occurs.
• The recovery equipment shall be in good working order with a set of
instructions concerning the equipment that is at hand and shall be
suitable for the recovery of all appropriated refrigerants.
• In addition, a set of calibrated weighing scales shall be available and
in good working order.
• Hoses shall be complete with leak-free disconnect couplings and in
good condition.
• Before using the recovery machine, check that it is in satisfactory
working order, has been properly maintained and that any associated
electrical components are sealed to prevent ignition in the event of a
refrigerant release.
• Consult manufacturer if in doubt.
• The recovered refrigerant shall be returned to the refrigerant supplier
in the correct recovery cylinder, and the relevant waste transfer note
arranged.
• Do not mix refrigerants in recovery units and especially not in
cylinders.
• If compressors or compressor oils are to be removed, ensure that
they have been evacuated to an acceptable level to make certain that
flammable refrigerant does not remain within the lubricant.
23-EN
• The evacuation process shall be carried out prior to returning the
compressor to the suppliers.
• Only electric heating to the compressor body shall be employed to
accelerate this process.
• When oil is drained from a system, it shall be carried out safely.
– 12 –
24-EN