Daikin FTXR42EV1B9 Especificaciones Pagina 34

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Main Functions SiBE04-624_B
24 Function and Control
Humidity
Fluctuation by
Temperature
Settings
During HUMID HEATING operation, as room temperature rises, relative humidity is temporarily
lowered. This is because as room temperature rises, relative humidity is lowered even if the
moisture content is the same.
EX: The rise in the room temperature from 15°C to 25°C results in the fall in humidity from
40%RH to about 22%RH.
As humidifying operation starts concurrently with heating, humidity rises gradually as shown in
the figure below.
Some room conditions (room size, ventilation frequency, number of residents, etc.) and set
temperature (higher temperature) may result in unsatisfactory humidity.
90
100
Humidity
(%)
80
70
60
50
40
30
20
10
0
20 40 60 80 100 Time (min.)
17˚C
Set temp.
HUMID HEATING start
20˚C
23˚C
Humidity Fluctuation on HUMID HEATING Operation
(R13861)
Measurement conditions
Outdoor temp.: 7˚C
Humidity setting: CONT (continuous)
Airflow rate setting: H tap
Area of the room: 26.4 m²
Humidifying hose length: 7.5 m
Ventilation rate: 0.75 times/hour
0.5 times of natural ventilation
0.25 times of humidity absorption by a carpet, a curtain, etc.
When room temperature rises,
relative humidity is lowered
even if the moisture
content is same.
Humidity rises
gradually.
Heating without
humidifying
Set temp. 23˚C
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