Loading ...
Loading ...
Loading ...
13
Important Safety Instructions
e) If a vacuum is not possible, make a manifold so that refrigerants can be removed from various
parts of the system.
f) Make sure that the cylinder is situated on the scales before recovery takes place.
g) Start the recovery machine and operate in accordance with the manufacturer's instructions.
h) Do not overfill the cylinders. (No more than 80 % volume liquid charge).
i) Do not exceed the maximum working pressure of the cylinder, even temporarily.
j) When the cylinders have been filled correctly and the process is completed, make sure that the
cylinders and the equipment are removed from the 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. Labeling
The unit shall be labeled stating that it has been decommissioned and emptied of the refrigerant. The
label shall be dated and signed. Ensure that there are labels on the unit stating that it contains flammable
refrigerants.
16. Recovery
When removing the refrigerant from a system, either for servicing or decommissioning, it is recommended
that all refrigerants are removed safely.
When transferring the refrigerant into the cylinders, ensure that only appropriate refrigerant recovery
cylinders are used. 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 labeled for that
refrigerant (i.e., special cylinders refrigerant recovery). Cylinders shall be complete with pressure relief
valves and associated shut-off valves in good working order. Empty recovery cylinders should be evacuated
and, if possible, cooled before the 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 if a refrigerant is released. Consult Customer Service when 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 the compressors or the compressor oils are to be removed, ensure that they have been
evacuated to an acceptable level so that the 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 the system, it shall be carried out safely.
Loading ...
Loading ...
Loading ...