Functions and Control
Domestic air conditioner
7.Funcitions and Control
7.1 Main functions and control specification
7.1.1 Automatic operation
When the running mode is turned to automation after starting the system, the system will first determine the
running mode according to the current room temperature and then will run according to the determined mode.
Tr in the following selection conditions means room temperature, Ts means setting temperature, Tp means
temperature of indoor coil pipe
Tr＞Ts-3ć Choose Cooling Mode
Tr Choose Heating Mode
After turning to the automation mode, the running mode can be switched between cooling mode, fan mode
and heating mode according to the change of the indoor ambient temperature. But the automatic conversion
between cooling mode and heating mode must be conducted after 15 minutes.
7.1.2 Cooling operation mode
Temperature control range: 16ć---30ć
Temperature difference: ±1ć
* Control features: When Tr˄input airflow˅>Ts˄set temperature˅ć, the compressor will be opened, the indoor
fan will operate at the set speed． When Tr˄input
airflow˅ Ts˄set temperature˅ć, the compressor will be
Airflow speed control: (temperature difference 1ć)
Automatic:
<
Ts-3ć
be closed and the outdoor fan will not operate. After the compressor stops to operate, if the Tr＞Ts, the
will will be opened and the outdoor fan begin to operate.
The air conditioner unit select the fan speed (High, Medium, Low) automatically according to the
change of the indoor ambient temperature.
Manus: When the system is operating, you can set the high, medium or low speed manually.
Compressor control: When the temperature of the indoor coil is too low, the compressor will be stopped.
When the temperature of the indoor coil is raised, the compressor will be restarted again.
* timing system on/off function.
*
sleep function.
*
health function.
*
fresh function.
The above 4 functions are available under cooling operation mode.
compressor
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