8
•
Any part of refrigerating circuit
(evaporators, air coolers, AHU,
condensers or liquid receivers) or
piping should not be located in the
proximity of heat sources, open
fl ames, operating gas appliance or
an operating electric heater.
•
The user/owner or their authorised
representative shall regularly check
the alarms, mechanical ventilation
and detectors, at least once a
year, where as required by national
regulations, to ensure their correct
functioning.
•
A logbook shall be maintained. The
results of these checks shall be
recorded in the logbook.
•
In case of ventilations in occupied
spaces shall be checked to confi rm
no obstruction.
•
Before a new refrigerating system
is put into service, the person
responsible for placing the system
in operation should ensure that
trained and certifi ed operating
personnel are instructed on the
basis of the instruction manual
about the construction, supervision,
operation and maintenance of the
refrigerating system, as well as the
safety measures to be observed,
and the properties and handling of
the refrigerant used.
•
The general requirement of
trained and certifi ed personnel are
indicated as below:
a) Knowledge of legislation,
regulations and standards
relating to fl ammable
refrigerants; and,
b) Detailed knowledge of and
skills in handling fl ammable
refrigerants, personal protective
equipment, refrigerant
leakage prevention, handling
of cylinders, charging, leak
detection, recovery and
disposal; and,
c) Able to understand and to apply
in practice the requirements
in the national legislation,
regulations and Standards; and,
d) Continuously undergo regular
and further training to maintain
this expertise.
1. Installation (Space)
•
Product with fl ammable
refrigerants, shall not be installed in
an unventilated space, if that space
is smaller than Amin (m²).
•
In case of fi eld charge, the effect
on refrigerant charge caused by
the different pipe length has to be
quantifi ed, measured and labelled.
•
Must ensure the installation of pipe-
work shall be kept to a minimum.
Avoid use dented pipe and do not
allow acute bending.
•
Must ensure that pipe-work shall be
protected from physical damage.
•
Must comply with national gas
regulations, state municipal rules
and legislation. Notify relevant
authorities in accordance with all
applicable regulations.
•
Must ensure mechanical
connections be accessible for
maintenance purposes.
•
In cases that require mechanical
ventilation, ventilation openings
shall be kept clear of obstruction.
•
When disposal of the product, do
follow to the precautions in #12 and
comply with national regulations.
Always contact to local municipal
offi ces for proper handling.
Safety precautions
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