5
The Refrigerant
To have a functional air conditioning unit, a special refrigerant circulates in the system. The
used refrigerant is the fluoride R32, which is specially cleaned. The refrigerant is flammable and
inodorous. Furthermore, it can lead to explosion under certain conditions. But the flammability
of the refrigerant is very low. It can be ignited only by fire.
Compared to common refrigerants, R32 is a nonpolluting refrigerant with no harm to the
ozonosphere. The greenhouse emissions are also lower. R32 has very good thermodynamic
features which leads to a high energy efficiency. The unit therefore needs less filling.
DANGER
WARNING
CAUTION
NOTICE
• Keep ventilation openings clear of obstruction.
• Do not use means to accelerate the defrosting process or to clean, other than those recom-
mended by the manufacturer.
• Should repair be necessary, contact a qualified technician. Any repairs carried out by unquali-
fied personnel may be dangerous.
• For repairs, strictly follow manufacturer’s instructions only.
• Appliance shall be installed, operated and stored in a room with a floor area larger than the
recommended area (Please refer to table “1” in section of “Refrigerant Safety Precautions”).
• The appliance shall be stored in a room without continuously operating ignition sources (for
example: open flames, an operating gas appliance or an operating electric heater).
• Do not pierce or burn the unit.
• Appliance is filled with flammable gas R32.
• Be aware that refrigerants do not contain odor.
• When maintaining or disposing the unit, the refrigerant inside the system must be eliminated.
Refrigerant should be recovered. It can’t be discharged freely.
• No open fire (fired equipment such as electrical heater and gas stove etc.) or any equipment
(e.g. switch) that might generate arc should be around the appliance.
NOTE:
Anyone 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 assess-
ment specification. Servicing shall only be performed as recommended by the equipment manu-
facturer. Maintenance and repair requiring the assistance of skilled personnel shall be carried out
under the supervision of the person competent to use flammable refrigerants.
