Powerful Operation - Daikin 4MXS-R Series Service Manual

RA Indoor Unit Functions

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
= 50 ~ 90 rpm (depending on the model)
A
Ex: POWERFUL operation in cooling
Note: POWERFUL operation cannot be used together with ECONO, COMFORT AIRFLOW or
OUTDOOR UNIT QUIET operation.
63
Dry rotating speed + A rpm
Same as cooling/heating in

POWERFUL operation

Target temp.
Lower limit of cooling
temperature
18˚C (64.4˚F)
POWERFUL
ON
POWERFUL
OFF
Fan
A rpm
H tap
Set tap
Fan speed
H tap + A rpm
Lowered by 2 ~ 2.5°C
H tap + A rpm 30 ~ 31.5°C (86 ~ 88.7°F)
H tap + A rpm
The target temperature is
20 minutes
SiUS121736EA
Target temperature
18°C (64.4°F)
(3.6 ~ 4.5°F)
—
kept unchanged.
Remote controller registers
20 minutes independently.
Ending condition:
1. Lapse of 20 minutes
2. System operation OFF
3. POWERFUL operation OFF
Functions and Control
(R24589)