not already). Extreme care shall be taken not to overfill the
refrigeration system. Prior to recharging the system it shall be
pressure tested with ofn. The system shall be leak tested on
completion of charging but prior to commissioning. a follow up
leak test shall be carried out prior to leaving the site.
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.
-Become familiar with the equipment and its operation. Isolate
system electrically. 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.
-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.