36
Maintenance
Service Manual
(for example: open flames,
The Refrigerant
WARNING
To realize the function of the air conditioner unit, a special refrigerant circulates in the system. The used
refrigerant is the fluoride R290, which is specially cleaned.
The refrigerant is flammable and inodorous. Furthermore, it can leads to explosion under certain conditions.
Compared to common refrigerants, R290 is a nonpolluting refrigerant with no harm to the ozonosphere.
The influence upon the greenhouse effect is also lower. R290 has got very good thermodynamic features
which lead to a really high energy efficiency. The units therefore need a less filling.
Please refer to the nameplate for the charging quantity of R290.
Ducts connected to an appliance shall not contain an ignition source.
Appliance filled with flammable gas R290.
Before install and use the appliance, read the owner’s manual first.
Before install the appliance, read the installation manual first.
Before repair the appliance, read the service manual first.
Appliance filled with flammable gas R290.
Appliance shall be installed, operated and stored in a room with a floor area larger
The appliance shall be stored in a room without continuously operating ignition sources .
an operating gas appliance or an operating electric heater.)
The appliance shall be stored in a well-ventilated area where the room size corresponds to the room area as specified
The appliance shall be stored so as to prevent mechanical damage from occurring.
Keep any required ventilation openings clear of obstruction.
Do not pierce or burn.
Be aware that refrigerants may not contain an odour.
Do not use means to accelerate the defrosting process or to clean, other than those
the manufacturer.
Servicing shall be performed only as recommended by the manufacturer.
Should repair be necessary, contact your nearest authorized Service Centre.
Any repairs carried out by unqualified personnel may be dangerous.
Compliance with national gas regulations shall be observed.
Read specialist’s manual.
than 15 m .
2
for operation.
recommended by
