7
Heating performance
This air conditioner utilizes outside air for heating; its
heating performance reduces as outside temperature
decreases.
→Intheeventthatheatingisnotsufcient,pleaseusean
additional heating appliance.
Defrosting
This appliance may start defrosting operation to melt
frost formed in the outdoor unit.
Defrosting starts
: The indoor unit fan stops (or the
speed becomes extremely slow).
→“
”(STANDBY)appears.
Heating operation resumes after several
minutes
: The indoor unit fan remains stopped (or
it will run at a very slow speed) until the indoor heat
exchangercoilwarmsupsufciently.
→“
”(STANDBY)appears.
Defrosting is complete
: The indoor unit fan starts
operation.
→“
”(STANDBY)disappears.
‘‘DRY’’ operation
Once the room temperature reaches the level that was
set, the outdoor unit repeats the cycle of turning on and
off automatically.
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.
WARNING
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.)
Do not pour water on the indoor unit. (This may damage the internal
components and cause an electric shock hazard.)
CAUTION
Never use solvents or harsh chemicals. Also, do not wipe plastic
parts using very hot water. (This may cause deformation or change
in colour.)
Somemetaledgesandnsaresharp.Becarefulwhenyouclean
those parts. (Injury may result.)
Usearmstoolorladderwhencleaninganindoorunitinstalledin
high locations.
Maintenance
Operation Mechanism
Outdoor unit
The internal coil and other components of the
outdoor unit must be cleaned periodically.
•Consult your dealer or service center.
Air Filter Maintenance
Consult your dealer or service center when the (Filter) appears on the display of the wired remote controller.
Timer Remote Controller High-spec Wired
Remote Controller
Filter indicator
A
°
Filter indicator
Wired Remote Controller
Filter indicator
Indoor unit
(e.g. Type Y3)
Air outlet
Air intake
Wipe with a soft cloth.
(If it is very dirty, use a cloth moistened with
water.)
OI_00_331027_EN.indb 7 2021/9/1 13:03:22
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