Sharp AE-X12PSR, Service Manual

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SHARP(CHINA)INVESTMENT CO.,LTD
1.21. Information about auto mode.
In the AUTO mode, the temperature setting and mode are automatically
selected according to the room temperature when the unit is turned on.
z
In the “AUTO”model, when the controller receives the up or down
singnals of temperature from remote control, the set temperature
can be adjusted by 1
ć upper or lower. The maximum you can
adjust by 2
ć
upper or lower.
z
If the “AUTO” mode operates in DRY , the set temperature and
the fan speed can’t changed.
1.22. Airflow control
ƽ Press the SWING button, the vetical air flow louver will swing.
ƽ Press the SWING button again to stop at the desired position.
1.23. Difference relating to set temperature
1.24. Drying operation control
When the unit operates in drying mode, the set temperature is set and keep at room temperature decrease 2°C , and you can not adjusted it.
2. Outline of PWM (Pulse Width Modulation) circuit
2.1. Power Factor Correction(PFC)
The PFC circuit varies the compressor drive voltage and controls the rotation speed of the compressor.
The IGBT shown in the block diagram charges the energy (electromotive force) generated by the reactor to the electrolytic capacitor for the inverter by
turning ON and OFF.
Model Initial Room Temerature Initial Set Temperature
COOLING RT26 ć 23 ć
DRY 26
ć˚
RT20
ć
RT-2
HEATING
RT
˘
20
ć
23
ć
FAN RT ˘ 20 ć -
Auto mode Manual mode
Cooling Heating Drying Cooling Heating Drying
Temperature
setting
method
Automatic temperature setting based on outside air
temperature. Can be changed within ±2°C using remote
con-trol.
Can be changed
between 18 and 32°C
using remote control.
Can be changed
between 18 and
32°C using remote
control.
Automatic setting.
Can be changed
within±2°C.
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