9.1.4.2. Dry Mode Operation
1. Basic fan speed
In the cooling zone, the fan speed for cooling operations is used. When it reaches into the dry mode zone, operation is
performed at the SLo fan speed.
2. Automatic fan speed
During the thermostat OFF period, a stop of 90 seconds and SSLo operation for 20 seconds are repeated. When operation
starts and while the thermostat is ON, the fan is stopped for 40 seconds.
9.1.4.3. Heating Operation
1. Hot start/anti cold draft control
When operation starts, the fan is stopped if the temperature of the indoor unit heat exchanger is low. The “POWER” indication
lamp blinks at this time. As the temperature of the heat exchanger rises, the fan speed is boosted to prevent discharging the
cold air.
2. Automatic fan speed
When the automatic fan speed is selected, fan speed is determined by the difference between the room temperature and
setting temperature of remote control and by heat exchanger temperature. However, when the temperature of the heat
exchanger is low, operation is conducted at the hot start/anti-cold draft control fan speed.
3. Thermostat OFF
When the thermostat is OFF, the fan´s operation is restricted based on the temperature of the heat exchanger.
4. Powerful operation
At the automatic fan speed setting, operation is transferred to the automatic powerful fan speed. At the manual fan speed
setting, the fan speed is boosted by two steps.
5. Quiet mode control
At the automatic fan speed setting, operation is transferred to the automatic quiet mode fan speed. At the manual airflow
setting, the fan speed is reduced by one step.
6. Forced heating operation
When AUTO button of the indoor unit is pressed for 8 seconds, the forced heating operation is started with SHi fan speed.
However, when the temperature of the heat exchanger is low, operation is conducted at the hot start/anti-cold draft control fan
speed.
7. Auto operation
Operation is performed at the automatic fan speed when operation is initiated using the auto operation button or when a heating
operation has been initiated using the remote control unit when a diagnostic display for the kind of trouble by which auto
operation is enabled has appeared. However, when the temperature of the heat exchanger is low, operation is conducted at the
hot start/anti-cold draft control fan speed.
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