Powerful Operation - Daikin 4MXL-T Series Service Manual

SiUS121827E
Note(s)
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.
Operation mode
COOL
DRY
HEAT
FAN
AUTO
A = 50 ~ 90 rpm (depending on the model)
Ex: POWERFUL operation in cooling
Note(s)
 During POWERFUL operation, the cooling/heating efficiency of the other rooms may be slightly
 POWERFUL operation cannot be used together with ECONO, COMFORT AIRFLOW or
Part 4 Functions and Control
Dry rotating speed + A rpm
Same as cooling/heating in

POWERFUL operation

Target temp.
18°C (64.4°F)
POWERFUL
ON
POWERFUL
OFF
Fan
A rpm
H tap
Set tap
reduced.
OUTDOOR UNIT QUIET operation.
Fan speed
H tap + A rpm
H tap + A rpm
H tap + A rpm
Lower limit of cooling
temperature
20 minutes
RA Indoor Unit Functions
Target temperature
18°C (64.4°F)
Lowered by 2 ~ 2.5°C
(3.6 ~ 4.5°F)
30 ~ 31.5°C (86 ~ 88.7°F)
—
The target temperature is kept
unchanged.
Remote controller registers
20 minutes independently.
Ending conditions:
1. Lapse of 20 minutes
2. System operation OFF
3. POWERFUL operation OFF
(R24589)
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