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5. Operation
5.2. Mode select
■
Press the operation mode ( ) button 2
and select the opera-
tion mode 2.
Cooling mode
Drying mode
Fan mode
Heating mode <Only heat pump type>
Automatic (cooling/heating) mode <Only heat pump type>
Ventilation mode
Only indicated on the following condition
Wired remote controller used
LOSSNAY connected
Information for multi system air conditioner (Outdoor
unit: MXZ series)
► Multi system air conditioner (Outdoor unit: MXZ series) can
connect two or more indoor units with one outdoor unit. Accord
ing to the capacity, 2 or more units can operate simultaneously.
• When you try to operate 2 or more indoor units with 1 outdoor unit si-
multaneously, one for the cooling and the other for heating, the opera-
tion mode of the indoor unit that operates earlier is selected. The other
indoor units that will start the operation later cannot operate, indicating
an operation state in blinking.
In this case, please set all the indoor units to the same operation
mode.
• There might be a case that the indoor unit, which is operating in (AUTO)
mode. Cannot change over to the operating mode (COOL HEAT) and
becomes a state of standby.
• When indoor unit starts the operation while the defrosting of outdoor
unit is being done, it takes a few minutes (max. about 15 minutes) to
blow out the warm air.
• In the heating operation, though indoor unit that does not operate may
get warm or the sound of refrigerant fl owing may be heard, they are
not malfunction. The reason is that the refrigerant continuously fl ows
into it.
Automatic operation
■
According to a set temperature, cooling operation starts if the room
temperature is too hot and heating operation starts if the room tem-
perature is too cold.
■
During automatic operation, if the room temperature changes and
remains 2 °C or more above the set temperature for 15 minutes, the
air conditioner switches to cooling mode. In the same way, if the room
temperature remains 2 °C or more below the set temperature for 15
minutes, the air conditioner switches to heating mode.
■
Because the room temperature is automatically adjusted in order to
maintain a fi xed effective temperature, cooling operation is performed
a few degrees warmer and heating operation is performed a few de-
grees cooler than the set room temperature once the temperature is
reached (automatic energy-saving operation).
5.3. Temperature setting
► To decrease the room temperature:
Press button 3 to set the desired temperature.
The selected temperature is displayed 3.
► To increase the room temperature:
Press button 3 to set the desired temperature.
The selected temperature is displayed 3.
• Available temperature ranges are as follows:
Cooling/Drying: 19 - 30 °C
Heating: 17 - 28 °C
Automatic: 19 - 28 °C
• The display blinks either 8 °C - 39 °C to inform you if the room tem-
perature is lower or higher than the displayed temperature.
(This display does not appear on the wireless remote controller.)
5.4. Fan speed setting
■
Press the Fan Speed button 5 as many times as necessary while the
system is running.
• Each press changes the force. The currently selected speed is
shown at 5.
• The change sequence, and the available settings, are as follows.
FAN SPEED Display
4-speed
+
Auto
3-speed
+
Auto
4-speed
model
2-speed
model
Note:
●
The number of available fan speeds depends on the type of unit connected.
● In the following cases, the actual fan speed generated by the unit will differ
from the speed shown the remote controller display.
1. While the display is showing “STAND BY” or “DEFROST”.
2. When the temperature of the heat exchanger is low in the heating mode.
(e.g. immediately after heating operation starts)
3. In HEAT mode, when room temperature is higher than the temperature
setting.
4. When the unit is in DRY mode.
Cooling mode 15 minutes (switches
from heating to cooling)
Set temperature +2 °C
Set temperature
15 minutes (switches
from cooling to heating)
Set temperature -2 °C
Speed 1 Speed 2 Speed 3 Speed 4
Auto
Speed 1 Speed 2 Speed 3 Speed 4
Speed 1 Speed 2 Speed 3 Auto