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• Ensure that the refrigeration
system is earthed prior to
charging the system with re-
frigerant.
• Label
the
system
charging is complete (if not
already).
• Extreme care shall be taken
not to overfill the refrigera-
tion system.
Prior to recharging the system
it shall be pressure tested with
OFN. The system shall be leak
tested on completion of charg-
ing but prior to commissioning.
A follow up leak test shall be
carried out prior to leaving the
site.
• Only set up the device in a
room in which there is no
source of ignition present
(e.g. open flames, a gas ap-
pliance or an electric heater).
• Do not pierce or burn.
• Every person working with
or at the refrigerant circuit
must be able to provide a
certificate of qualification is-
sued by a body accredited by
the industry, demonstrating
their competence in the safe
use of refrigerants based on
a procedure well-known in
the industry.
• Service work may only be
carried out in accordance
with
the
manufacturer's
specifications.
nance and repair work re-
quire the support of addi-
tional persons, the person
trained in handling flamma-
ble refrigerants shall con-
tinuously supervise the work
carried out.
when
If
mainte-
EN
117
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