3 Before operation
Operation manual
3
FNA25~60A2VEB
Split system air conditioners
4P456953-1 – 2017.06
a Indoor unit
b Outdoor unit
c User interface
d Refrigerant piping and electric wiring
e Drain pipe
f Earth wire to ground outdoor unit to prevent electric
shocks.
CAUTION
Do not insert fingers, rods or other objects into the air inlet
or outlet. Do not remove the fan guard. When the fan is
rotating at high speed, it will cause injury.
CAUTION
NEVER touch the internal parts of the controller.
Do NOT remove the front panel. Some parts inside are
dangerous to touch and appliance problems may happen.
For checking and adjusting the internal parts, contact your
dealer.
NOTICE
Do not wipe the controller operation panel with benzine,
thinner, chemical dust cloth, etc. The panel may get
discoloured or the coating peeled off. If it is heavily dirty,
soak a cloth in water-diluted neutral detergent, squeeze it
well and wipe the panel clean. Wipe it with another dry
cloth.
NOTICE
Never press the button of the user interface with a hard,
pointed object. The user interface may be damaged.
NOTICE
Never pull or twist the electric wire of the user interface. It
may cause the unit to malfunction.
2.2 Information related to units using
R32 refrigerant
WARNING
Never use a flammable spray such as hair spray, lacquer
or paint near the unit. It may cause a fire, or, in case of
R32 refrigerant, misdetection by the refrigerant leakage
sensor.
1
CAUTION
Do NOT turn off the breaker, unless you smell something
burning, or during a short repair period, inspection, or
cleaning of the unit. Otherwise, refrigerant leakage cannot
be detected.
1
CAUTION
Do NOT install or use in highly airtight spaces, e.g.
soundproof chambers or rooms with sealed doors.
1
CAUTION
This unit is equipped with electrically powered safety
measures, such as a refrigerant leak detector. In order to
be effective, the unit must be electrically powered at all
times after installation, except for short service periods.
1
CAUTION
Do NOT install or use in places filled with smoke, gas,
chemicals etc. Sensors inside the indoor unit may detect
these substances, and display a refrigerant leak
abnormality.
1
3 Before operation
WARNING
Ask your dealer for improvement, repair, and maintenance.
Incomplete improvement, repair, and maintenance may
result in water leakage, electric shock and fire.
WARNING
Ask your dealer to move and reinstall the air conditioner.
Incomplete installation may result in a water leakage,
electric shock, and fire.
WARNING
Never let the indoor unit or the user interface get wet. It
may cause an electric shock or a fire.
WARNING
Do not place objects in direct proximity of the outdoor unit
and do not let leaves and other debris accumulate around
the unit. Leaves are a hotbed for small animals which can
enter the unit. Once in the unit, such animals can cause
malfunctions, smoke or fire when making contact with
electrical parts.
WARNING
Avoid placing the user interface in a place where it can be
splashed with water. Water entering the machine may
cause an electric leak or may damage the internal
electronic parts.
WARNING
This unit contains electrical and hot parts.
WARNING
Before operating the unit, be sure the installation has been
carried out correctly by an installer.
WARNING
Never use a flammable spray such as hair spray, lacquer
or paint near the unit. It may cause a fire.
(1)
Only for units using R32 refrigerant. Refer to the outdoor unit specifications for the type of refrigerant to be used.
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