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Funcitions and Control
Domestic Air Conditioner
12
5. Funcitions and Control
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5.1.2 Cooling operation mode
Temperature control range: 16°C---30°C
Temperature difference: ±1°C
* Control features: When Tr(input airflow)>Ts(set temperature)°C, the compressor will be opened,the
indoor fan will operate at the set speed and the mode signal will be sent to the outdoor system. When
Tr(input DLUÀRZ< Ts(set temperature)°C, the compressor will be opened,the indoor fan will operate at
the set speed and the mode signal will be sent to the outdoor system. The system will keep the original
status if Tr= Ts.
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Automatic: When Tr>=Ts+3°C, high speed.
When Ts+1°C=<Tr<Ts+3°C, medium speed
When Tr<Ts+1°C, low speed
When the sensor is off, low speed
When the DLUÀRZ speed has no delay from the high to low switching, the speed should be delayed for 3
minutes (remain at high speed for 3 minutes.) before the next switch.
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* temperature control range: 16---30°C
* temperature difference: ±1°C
Control feature: send the dehumidify signal to the outdoor system.
When Tr>Ts+2°C , the compressor will be turned on, the indoor fan will operate at the set speed.
When Tr is between the Ts and Ts+2°C , the outdoor system will operate at the high dehumidify frequency
5.1.1 automatic run mode
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
23 Choose Cooling Mode
Tr
23 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.
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