Operating instructions

En-9
Heating and Cooling model (Reverse cycle):
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When Auto mode is rst selected, the fan will operate at
low speed for about a few minutes, during which time the
indoor unit detects the room conditions and selects the
proper operation mode.
Room temperature is higher than the dened tempera-
ture in temperature setting → Cooling mode
Room temperature is close to the dened temperature in
temperature setting → Determined by outdoor tempera-
ture
Room temperature is lower than the dened temperature
in temperature setting → Heating mode
Dened temper-
ature in tempera-
ture setting
Determined by
outdoor temperature
Cooling mode
Heating mode
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When the air conditioner has adjusted your room’s
temperature to near the thermostat setting, it will begin
monitor operation. In the monitor operation mode, the
fan will operate at low speed. If the room temperature
subsequently changes, the air conditioner will once again
select the appropriate operation (Heating, Cooling) to ad-
just the temperature to the value set in the thermostat.
Heat*
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Use to warm your room.
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When Heating mode is selected, the air conditioner will
operate at very low fan speed for about 3 to 5 minutes,
after which it will switch to the selected fan setting. This
period of time is provided to allow the indoor unit to warm
up before beginning full operation.
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When the room temperature is very low, frost may form
on the outdoor unit, and its performance may be re-
duced. In order to remove such frost, the unit will auto-
matically enter the defrost cycle from time to time. During
Automatic defrosting operation, the Heating operation
will be interrupted.
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After the start of Heating operation, it takes sometime
before the room gets warmer.
Cool
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Use to cool your room.
Dry
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Use for gently cooling while dehumidifying your room.
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You cannot heat the room during Dry mode.
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During Dry mode, the unit will operate at low speed; in
order to adjust room humidity, the indoor unit’s fan may
stop from time to time. Also, the fan may operate at very
low speed when adjusting room humidity.
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The fan speed cannot be changed manually when Dry
mode has been selected.
Fan
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Use to circulate the air throughout your room.
NOTES
*During Heating mode:
Set the thermostat to a temperature setting that is higher
than the current room temperature. The Heating mode will
not operate if the thermostat is set lower than the actual
room temperature.
During Cooling/Dry mode:
Set the thermostat to a temperature setting that is lower than
the current room temperature. The Cooling and Dry modes
will not operate if the thermostat is set higher than the actual
room temperature (in Cooling mode, the fan alone will oper-
ate).
During Fan mode:
You cannot use the unit to heat or cool your room.
Fan speed
Controls the fan speed.
AUTO HIGH QUIETMED LOW
When AUTO is selected, the fan speed is automatically ad-
justed according to the operation mode.
Heating*: The fan will operate at very low speed when the
temperature of the air issued from the indoor unit
is low.
Cooling: As the room temperature approaches that of the
set temperature, the fan speed becomes slower.
Fan: The fan runs at medium fan speed.
Automatic restart
In Event of Power Interruption
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Should the power supply to the air conditioner be inter-
rupted by a power failure, the air conditioner will restart
automatically in the previously selected mode once the
power is restored.
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Use of other electrical appliances (electric shaver, etc.) or
nearby use of a wireless radio transmitter may cause the
air conditioner to malfunction. In this event, temporarily
disconnect the power supply, reconnect it, and then use
the remote controller to resume operation.
Group control
One remote controller can control up to 16 air conditioners.
All of the air conditioners will be operated with the same set-
tings.
Notices
*
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During use of the Heating mode, the outdoor unit will
occasionally commence the defrost operation for brief
periods. During the defrosting operation, if the user sets
the indoor unit for heating again, the defrosting mode
will continue, and the Heating operation will begin after
completion of defrosting, with the result that some time
may be required before warm air is emitted.
*
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During use of the Heating mode, the top of the indoor
unit may become warm, but this is due to the fact that
coolant is circulated through the indoor unit even when it
is stopped; it is not a malfunction.
9381622023-02_OM_EN.indd 9 23/08/2017 16:58:13