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5. Energy saving and optimum operation
INFORMATION
•
Even if the unit is turned OFF, it consumes electricity.
•
When the power turns back on after a power break, the
previously selected mode will be resumed.
CAUTION
NEVER expose little children, plants or animals directly to the
airflow.
WARNING
Do NOT place objects below the indoor and/or outdoor unit that
may get wet. Otherwise condensation on the unit or refrigerant
pipes, air filter dirt or drain blockage may cause dripping, and
objects under the unit may get dirty or damaged.
NOTICE
Do NOT use the system for other purposes. In order to avoid
any quality deterioration, do NOT use the unit for cooling
precision instruments, food, plants, animals, or works of art.
WARNING
Do NOT place a flammable spray bottle near the air conditioner
and do NOT use sprays. Doing so may result in a fire.
Observe the following precautions to ensure the system
operates properly.
•
Prevent direct sunlight from entering a room during cooling
operation by using curtains or blinds.
•
Ventilate often. Extended use requires special attention to
ventilation.
•
Keep doors and windows closed. If the doors and windows
remain open, air will flow out of your room causing a decrease
in the cooling or heating effect.
•
Be careful NOT to cool or heat too much. To save energy, keep
the temperature setting at a moderate level.
•
NEVER place objects near the air inlet or the air outlet of the unit.
Doing so may cause a reduced heating/cooling effect or stop
operation.
•
Turn off the main power supply switch to the unit when the
unit is NOT used for longer periods of time. If the main power
supply switch is on, the unit consumes electricity. Before
restarting the unit, turn on the main power supply switch 6
hours before operation to ensure smooth running.
•
Condensation may form if the humidity is above 80% or if the
drain outlet gets blocked.
•
Adjust the room temperature properly for a comfortable
environment. Avoid excessive heating or cooling. Notice that
it may take some time for the room temperature to reach the
set temperature. Consider using the timer setting options.
•
Adjust the airflow direction to avoid cool air from gathering on
the floor or warm air against the ceiling. (Up during cooling or
dry operation to the ceiling and down during heating operation.)
•
Avoid direct airflow to room inhabitants.
•
Operate the system within the recommended temperature range
(26~28°C for cooling and 20~24°C for heating) to save energy.
6. Multi Connection
6-1 Note for Multi System
A multi system has one outdoor unit connected to multiple
indoor units.
6-1-1 Selecting the operation mode
CAUTION
•
Normally, the operation mode in the room where the unit is
first started is given priority, but the following situations are
exceptions to this rule.
If the operation mode of the first room is FAN operation, then
using HEAT operation in any room after this will give priority to
HEAT operation.
In this situation, the indoor unit operating in FAN mode will
switch to standby, and the OPERATION lamp will blink.
When the priority room setting is active but the set unit is
not operating or when the priority room setting is inactive
When more than one indoor unit is operating, priority is given to
the first unit that was turned on.
In this case, set the units that are turned on later to the same
operation mode as the first unit.
Otherwise, they will enter the standby state, and the
OPERATION lamp will blink; this does not indicate malfunction.
Room A
Room B
Room C
Room D
Outdoor unit
Note:
•
COOL, DRY and FAN operation may be used at the same
time.
•
AUTO operation automatically selects COOL operation or
HEAT operation based on the indoor temperature.
Therefore, AUTO operation is available when selecting the
same operation mode as that of the room with the first unit
to be turned on.
With the priority room setting active
Refer to “
6-1-5 Priority room setting
” on page 17.
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