SiUS121827E RA Indoor Unit Functions
Part 4 Functions and Control 73
For dry operation, the temperature cannot be set with a remote controller, but the target
temperature is shifted internally.
2.10 POWERFUL Operation
Outline In order to exploit the cooling and heating capacity to full extent, the air conditioner can be operated
by increasing the indoor fan rotating speed and the compressor frequency.
Details When POWERFUL button is pressed, the fan speed and target temperature are converted to the
following states for 20 minutes.
A = 50 ~ 90 rpm (depending on the model)
Ex: POWERFUL operation in cooling
During POWERFUL operation, the cooling/heating efficiency of the other rooms may be slightly
reduced.
POWERFUL operation cannot be used together with ECONO, COMFORT AIRFLOW or
OUTDOOR UNIT QUIET operation.
Operation mode Fan speed Target temperature
COOL H tap + A rpm 18°C (64.4°F)
DRY
Dry rotating speed + A rpm
Lowered by 2 ~ 2.5°C
(3.6 ~ 4.5°F)
HEAT H tap + A rpm 30 ~ 31.5°C (86 ~ 88.7°F)
FAN H tap + A rpm —
AUTO Same as cooling/heating in
POWERFUL operation
The target temperature is kept
unchanged.
(R24589)
Target temp.
Fan
A rpm
H tap
Set tap
20 minutes
Lower limit of cooling
temperature
Remote controller registers
20 minutes independently.
POWERFUL
ON
POWERFUL
OFF
Ending conditions:
1. Lapse of 20 minutes
2. System operation OFF
3. POWERFUL operation OFF
18°C (64.4°F)
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