Operation - Mitsubishi Electric Mr. SLIM PKA-M HA Series Operation Manual

3. Operation

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About the operation method, refer to the operation manual that comes with each remote controller.
3.1. Turning ON/OFF
[ON]
Press the [ON/OFF] button.
The ON/OFF lamp will light up in green,
and the operation will start.
Note:
Even if you press the ON/OFF button immediately after shutting down the operation is progress, the air conditioner will not start for about 3 minutes.
This is to prevent the internal components from being damaged.
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Operation status memory
Operation mode
Preset temperature
Fan speed
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Settable preset temperature range
Operation mode
Cool/Dry
Heat
Auto
Fan/Ventilation
3.2. Mode Selection
Press the [F1] button to go through the op-
Fri
eration modes in the order of "Cool", "Dry",
Room
"Fan", "Auto", and "Heat". Select the desired
Cool Set temp. Auto
operation mode.
Mode Temp. Fan
F1 F2 F3 F4
• Operation modes that are not available to
the connected outdoor unit models will not
appear on the display.
What the blinking mode icon means
The mode icon will blink when other indoor units in the same refrigerant
system (connected to the same outdoor unit) are already operated in a
different mode. In this case, the rest of the unit in the same group can
only be operated in the same mode.
Automatic operation
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According to a set temperature, cooling operation starts if the room tem-
perature is too hot and heating operation starts if the room temperature
is too cold.
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During automatic operation, if the room temperature changes and remains
2.0 °C or more above the set temperature for 15 minutes, the air condi-
tioner switches to cool mode. In the same way, if the room temperature
remains 2.0 °C or more below the set temperature for 15 minutes, the
air conditioner switches to heat mode.
Cool mode
15 minutes (switches from
heating to cooling)
15 minutes (switches from
cooling to heating)
Remote controller setting
Operation mode before the power was turned off
Preset temperature before the power was turned off
Fan speed before the power was turned off
Preset temperature range
19 ~ 30 ºC
17 ~ 28 ºC
19 ~ 28 ºC
Not settable
Cool Dry
Auto Heat
Set temperature +2.0°C
Set temperature
Set temperature -2.0°C
[OFF]
<Dual set point>
Note:
• This function cannot be set depending on the outdoor unit to be
connected.
When the operation mode is set to the Auto (dual set point) mode, two
preset temperatures (one each for cooling and heating) can be set. De-
pending on the room temperature, indoor unit will automatically operate in
Fan
either the Cool or Heat mode and keep the room temperature within the
preset range.
For details on how to operate, refer to manual of remote controller.
Information for multi system air conditioner (Outdoor
unit: MXZ series)
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Multi system air conditioner (Outdoor unit: MXZ series) can
connect two or more indoor units with one outdoor unit. According
to the capacity, 2 or more units can operate simultaneously.
• When you try to operate 2 or more indoor units with 1 outdoor unit
simultaneously, one for the cooling and the other for heating, the
operation 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 flowing may be heard, they are
not malfunction. The reason is that the refrigerant continuously flows
into it.
Press the [ON/OFF] button again. The
ON/OFF lamp will come off, and the
operation will stop.
EN
EN-6