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Decommissioning
Before carrying out this procedure, it is essential that the technician is
completely familiar with the equipment and all its detail. It is recommended
good practice that all refrigerants are recovered safely. Prior 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.
1. Become familiar with the equipment and its operation.
2. Isolate system electrically.
3. Before attempting the procedure ensure that:
•
Mechanical handling equipment is available, if required, for handling
refrigerant cylinders;
•
All personal protective equipment is available and being used
correctly;
•
The recovery process is supervised at all times by a competent
person;
•
Recovery equipment and cylinders conform to the appropriate
standards.
4. Pump down refrigerant system, if possible.
5. If a vacuum is not possible, make a manifold so that refrigerant can
be removed from various parts of the system.
6. Make sure that cylinder is situated on the scales before recovery
takes place.
7. Start the recovery machine and operate in accordance with
manufacturer's instructions.
8. Do not overfill cylinders. (No more than 80% volume liquid charge).
9. Do not exceed the maximum working pressure of the cylinder, even
temporarily.
10. 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.
11. Recovered refrigerant shall not be charged into another refrigeration
system unless it has been cleaned and checked.
All manuals and user guides at all-guides.com
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