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*Indoor fan control
Airflow speed control: (temperature difference 1 )
manual control: You can choose high, medium, low and automatic speed control.
Automatic: When Tr Ts-5 , high speed.
When Ts-5 ＜ Tr T s-3 , medium speed.
When Tr> Ts-3
*Coldair proof operation
About 4 minutes after the start up of the compressor, If the indoor heat interaction temperature is too low,
the indoor fan will stopped running or run at low speed.After the temperature of the indoor coil is raised, the
indoor fan will operate as per the setted airflow speed.
After turning off the temperature sensor or during the heating operation (except defrosting) , the indoor fan
will run at low speed for 30s and then stop running.
* Heating overload protection
During the running of the compressor( the running time is more than 60s), if the temperature of the indoor
coil is too high or the system is overload, the outdoor system will stop operating.
*Defrosting
If the outdoor unit appears too much frosting and influence the outlet air temperature during the heating
process, the air conditioner unit will exit from the heating operation mode and defrosting for few minutes.
After defrosting is finished, the unit will exit from the defrosting mode and enter into heating mode again.
* timing system on/off function.
* sleep function.
* health function.
* fresh function.
The above 4 functions are available under cooling operation mode.
7.1.5
Power/Quiet operation
The system enters the "Power"mode after receiving the 'power signal'.
Send strength operation signal to the outdoor system.
After enter into this operation mode, fan speed automatically takes high speed of auto fan speed.
The system enters the "Quiet"mode after receiving the quiet signal'.
After enter into this operation mode, fan speed automatically takes low speed of auto fan speed.
, low speed.
16
Functions and Control
Domestic air conditioner
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