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conform to the appropriate standards. d) Pump down refrigerant system, if possible.
e) If a vacuum is not possible, make a manifold so that refrigerant can be removed
from various parts of the system. f) Make sure that cylinder is situated on the scales
before recovery takes place. g) Start the recovery machine and operate in accordance
with manufacturer's instructions. h) Do not overfill cylinders. (No more than 80 %
volume liquid charge). i) Do not exceed the maximum working pressure of
thecylinder, even temporarily. j) 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. k)
Recovered refrigerant shall not be charged into another refrigeration system unless
it has been cleaned and checked.
15. 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.
16. 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 is 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 flammable
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. 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.
Fuse
FUSE-T-3.15A/250VAC
Rated current
3.15A
Rated Voltage
250VAC
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