Haier HSU-12HF03(B) [37/63] Brief introduction to electrical function

Haier HSU-12HF03(B) [37/63] Brief introduction to electrical function
Brief introduction to electrical function
1.1.3.2 Compressor control under dehumidification running
1.1.3.2.1 When running in normal status, control of compressor frequency:
Temperature difference
( )
T> 4.3
4.3
T
1.3
1.3
T -1 T < -1
Maximum frequency (Hz) High frequency Mid. frequency Low frequency
Compressor
stop
1.1.3.2.2 When running in dehumidify mode, the setting air volume restricts frequency as follows:
Setting airflow Maximum frequency (Hz)
Middle 90 Hz
Low 52 Hz
1.1.3.2.3 When running in dehumidify mode, the outdoor ambient temperature restricts frequency as follows:
(only applying to the machine models with outdoor ambient temperature sensor).
Outdoor ambient temp. ( )
Maximum frequency (Hz)
T 26
No limitation
T < 26
60 Hz
1.1.4 Heating running (heat compensation temp. 4.67
)
1.1.4.1 Air volume control under heating running
When heating running starts, defrosting stops. When compressor restarts, it shall be warm start to prevent cold
wind.
Thermal conversion temperature:
35.1
(undetermined)
35.1
(undetermined)
25.2
(undetermined)
15
(undetermined)
* Select higher wind speed after 4 minutes
stop Lower Low setting Low Lower stop
Note:
For different machine type, the “undetermined” parameters is also different, here only take this example for illustration.
“ * ” Indicating that if unit maintains in this wind speed for more than 4 minutes, it then select higher speed.
When setting automatic wind speed, its velocity is related to the temperature difference (including compensation
temperature), see the following table for details:
Temperature difference ( ) T> 4.3 4.3 T 0.3 T < 0.3
Wind speed High Middle Low
1.1.4.2 Compressor control under heating running

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