POCO line 5961008/00 Benutzerhandbuch Seite 75

close to any ignition sources and there is
ventilation available.
8. Charging procedures
In addition to conventional charging procedures,
the following requirements shall be
followed.
– Ensure that contamination of different refriger
ants does not occur when using charging
equipment. Hoses or lines shall be as short as
possible to minimise the amount of refrigerant
contained in them.
– Cylinders shall be kept upright.
– Ensure that the refrigeration system is earthed
prior to charging the system with refrigerant.
– Label the system when charging is complete (if
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.
9. 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
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