● Maintenance and repairs that require the assistance of other qualified personnel must
be performed under the supervision of an individual specified in the use of flammable
refrigerants.
● Do not use means to accelerate the defrosting process or to clean, other than those
recommended by the manufacturer.
● The appliance shall be stored in a room without continuously operating open flames
(for example an operating gas appliance) or other potential ignition sources (for example
an operating electric heater, hot surfaces).
● All the work men who are engaging in the refrigeration system should bear the valid
certification awarded by the authoritative organization and the qualification for dealing
with the refrigeration system recognized by this industry. If it needs other technician to
maintain and repair the appliance, they should be supervised by the person who bears
the qualification for using the flammable refrigerant.
● It can only be repaired by the method suggested by the equipment’s manufacturer.
● Do not pierce or burn.
● Be aware that the refrigerants may not contain an odour.
● Compliance with national gas regulations shall be observed.
● Keep ventilation openings clear of obstruction.
● The appliance shall be stored so as to prevent mechanical damage from occurring.
● A warning that the appliance shall be stored in a well-ventilated area where the room
size corresponds to the room area as specified for operation.
● Any person who is involved with working on or breaking into a refrigerant circuit
should hold a current valid certificate from an industry-accredited assessment
authority, which authorizes their competence to handle refrigerants safely in
accordance with an industry recognized assessment specification.
● Servicing shall only be performed as recommended by the equipment manufacturer.
● Maintenance and repair requiring the assistance of other skilled personnel shall be
carried out under the supervision of the person competent in the use of flammable
refrigerants.
● Appliance should be installed, operated and stored in a room with a floor area larger
than the one indicated in the chart .
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