5
6
Comfortable air at just
the right temperature.
Warms air to
regulate temperature.
Chills air to
remove moisture.
Conventional programme dry Sarara drying operation
The programme dry operating mode of a
conventional air conditioner removes
moisture by operating in a reduced capacity
cooling mode. This causes the indoor
temperature to drop. Sarara drying operation
removes moisture from the air without
lowering the indoor temperature. It is ideal
for humid times such as during rainy weather
when the temperature is not particularly high.
Refreshingly dry without lowering the temperature.
Even at the same room temperature, if the
relative humidity is high you feel hot and
clammy. Sarara drying operation lowers the
humidity only so you feel cool and refreshed.
At the same room temperature, with lower relative humidity you feel cooler and fresher.
(Results of Daikin experiment)
Room temperature: 19°C
Relative humidity: 50%
Air feels chilly because the air
c
onditioner cools the air while
dehumidifying.
Room temperature: 22°C
Relative humidity: 50%
Air does not feel chilly because the air
c
onditioner dehumidifies without cooling
the air.
Room temperature: 25°C
Relative humidity: 80%
The high humidity makes you feel hot
a
nd clammy.
Room temperature: 25°C
Relative humidity: 50%
Yo
u feel comfortable, though the
temperature is the same.
On hot summer days when dehumidifying
alone would leave the air uncomfortably
warm, the dry cooling operation mode lowers
moisture and cools the air at the same time
for maximum comfort.
Dry cooling operation dehumidifies and cools the air at the same time.
Dehumidifying alone
makes it too hot.
• The humidity may not reach the exac t level due to the
effec ts of indoor or outdoor conditions.
• S arara drying operation consumes more power than dry
cooling operation.
When the weather is rainy or on summer
nights, using the air conditioner’s cooling and
dehumidifying function can end up making
the air uncomfortably chilly. Sarara drying
operation (dehumidifying with reheating)*
1
uses waste heat from the outdoor unit to
warm the cold dehumidified air, and then
sends it into the room at precisely the right
temperature.
Sarara drying operation dehumidifies without making the room chilly. *
1
Indoor unit
*1. A reheating system that does not lower the room
temperature, as defined by the Japan Refrigeration and
Air Conditioning Industry Association.
Feels chilly
Refreshing
and comfortable
Sarara drying operation
Hot and clammy
Cool and refreshing
Sarara drying operation
The thermograph shows the temperature
distribution on the skin surface 30 minutes
after entering the room.
30.0 35.0 40.0˚C
Time when Sarara drying operation is appropriate Time when Dry cooling operation is appropriate
Dry cooling operation
makes it too cold.
Rainy weather and summer nights
(outdoor temp. approx. 10°C to 27°C)
Midsummer
(outdoor temp. 27°C and above)
Sarara drying
operation
Air is a comfortable
temperature,
not too chilly.
Removes moisture
from the indoor air.
Sarara drying operation removes moisture from
the air without lowering the temperature, keeping
the indoor environment fresh and comfortable.
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