Operation - Mitsubishi Electric P-Serie Manuel D'utilisation

3. Operation

■ About the operation method, refer to the operation manual that comes
with each remote controller.
3.1. Operation mode select
Cool/DRY/Fan/Heat/Automatic (cool/heat)/Ventilation modes are available.
Note:
● Heat and Automatic modes can not be available for cooling only units.
● Ventilation mode: only indicated on the following condition.
Wired remote controller is used and LOSSNAY is connected.
● Automatic mode
• 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 4 °F [2 °C] or more above the set temperature for 15 minutes,
the air conditioner switches to cooling mode. If the room temperature
remains 4 °F [2 °C] or more below the set temperature for 15 minutes,
the air conditioner switches to heating mode.
Cooling mode
15 minutes (switches from
heating to cooling)
15 minutes (switches
from cooling to heating)
4
Set temperature +4 °F [2 °C]
Set temperature
Set temperature -4 °F [-2 °C]
3.2. Fan speed setting
Note:
● In the following cases, the actual fan speed generated by the unit will differ
from the speed shown the remote controller display.
1. When the unit is in STAND BY or DEFROST states.
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 heater control mode is the factory setting and the heater is on,
the fan will operate at high speed.
5. When the unit is in DRY mode.
3.3. Ventilation
► F or LOSSNAY combination
● The following 2 patterns of operation are available.
• Run the ventilator together with the indoor unit.
• Run the ventilator independently.
Note:
● With some model configurations, the fan on the indoor unit may come on
even when you set the ventilator to run independently.
Note (for wireless RF thermostat):
● Running the ventilator independently is not available.
● No indication on the remote controller.