1.1.2.1 Air volume control under cooling running (Cool compensation temp. –0.33
ｏ
C)
When setting manual control, wind speed will run according to the setting value during compressor running, and
run in the speed of setting value minus 60rpm during compressor stopping.
When setting automatic wind speed, its velocity is related to temperature difference ΔT ( ambient temp.－
compensation temp.－setting temp. ). See the following table for details:
Temperature difference (ｏC) ΔT> 4.3 4.3 ≥ΔT≥0.3 ΔT < 0.3
Wind speed High Middle Low
1.1.2.2 Compressor control under cooling running
1.1.2.2.1 when running in normal status, control of compressor frequency:
Temperature difference (ｏ
C)
ΔT> 4.3
4.3 ≥ΔT≥
1.3
1.3 ≥ΔT≥-1 ΔT < -1
Maximum frequency (Hz) High frequency Mid. frequency Low frequency
Compressor
stop
1.1.2.2.2 when running in cool mode, the setting air volume restricts frequency as follows:
Setting air volume Maximum frequency (Hz)
Middle 90 Hz
Low 52 Hz
1.1.2.2.3 when running in cool mode, the outdoor ambient temperature restricts frequency as follows: (only
applying to the machine models with outdoor ambient temperature sensor).
Outdoor ambient temp. (ｏC)
Maximum frequency (Hz)
ΔT≥26
No limitation
ΔT < 26
60 Hz
1.1.3 Dehumidification running
1.1.3.1 Air volume control under dehumidification running (Cool compensation temperature –0.33ｏC)
Except for the first running that fan runs in low speed during compressor stopping, fan stops during compressor
OFF.
When setting manual control, wind speed runs according to the following table during compressor running:
Temperature difference (ｏC) ΔT ≥ 0.3 ΔT < 0.3
Wind speed Setting Low
When setting automatic wind speed, its velocity is related to temperature difference (ambient temp.－setting
temp.). See the following table for details:
Temperature difference (ｏC) ΔT> 4.3 4.3 ≥ΔT≥0.3 ΔT < 0.3
Wind speed High Middle Low
Model:
HSU-09H03/(BP)1
HSU-12H03/(BP)1Domestic Air Conditioner
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