Maintenance
WARNING
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For safety, be sure to turn the air conditioner off and disconnect
the power before cleaning. (Otherwise, electric shock or injury may
result because the fan is rotating at high speed.)
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Do not pour water on the indoor unit. (This may damage the internal
components and cause an electric shock hazard.)
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Never use solvents or harsh chemicals. Also, do not wipe plastic
parts using very hot water. (This may cause deformation or change
in colour.)
Some metal edges and fins are sharp. Be careful when you clean
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those parts. (Injury may result.)
Use a firm stool or ladder when cleaning an indoor unit installed in
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high locations.
Operation Mechanism
Heating performance
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This air conditioner utilizes outside air for heating; its
heating performance reduces as outside temperature
decreases.
→ In the event that heating is not sufficient, please use an
additional heating appliance.
Defrosting
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This appliance may start defrosting operation to melt
frost formed in the outdoor unit.
D efrosting starts
: The indoor unit fan stops (or the
speed becomes extremely slow).
→ " " (STANDBY) appears.
H eating operation resumes after several
minutes
: The indoor unit fan remains stopped (or
it will run at a very slow speed) until the indoor heat
exchanger coil warms up sufficiently.
→ " " (STANDBY) appears.
Defrosting is complete
operation.
→ " " (STANDBY) disappears.
CAUTION
: The indoor unit fan starts
Indoor unit
(e.g., Type Y3)
Wipe with a soft cloth.
(If it is very dirty, use a cloth moistened with
lukewarm water.)
Outdoor unit
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T he internal coil and other components of the
outdoor unit must be cleaned periodically.
• Consult your dealer or service center.
''DRY'' operation
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Once the room temperature reaches the level that was
set, the outdoor unit repeats the cycle of turning on and
off automatically.
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When the room temperature is more likely to reach the
level that was set, the fan speed is set to ''breeze'' (light
wind) automatically.
Should power failure occur while the unit is
running
The unit will resume operation automatically. Operation
settings prior to power failure will be used.
NOTICE
Label (attached to the lid of electrical component box)
This air conditioner incorporates a biocidal product.
Ionized air generated by a device incorporated
in the air conditioner deactivates bacteria and
viruses in the air, and on surfaces, and inhibits
mould growth on surfaces.
Active substances: free radicals generated in situ
from ambient air or water
Air outlet
Air intake
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