Sharp AE-X12PSR, Service Manual

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SHARP(CHINA)INVESTMENT CO.,LTD
[3] FUNCTION
1. Fuction
1.1. Compressor delay operate
TheOnce the compressor stops operating, it will not restart for 3 minutes
to protect the compressor
.
Therefore, if the operating compressor is shut down from the remote con-
trol and then turned back on immediately after, the compressor will restart
after a preset delay time.
1.2. Four-way valve control in heating model
When the unti operates in heating model, the comprassor start-up after
the four-way valve start up for 5 seconds, the four-way valve shut down
after the compressor stops for 2 minutes when the unit shut down
1.4.ON timer
The ON timer can be activated by pressing the ON timer button.when the
ON timer is activated, the operation start time is adjusted base on fuzzy
logic calculations 1hour before the set time so that the room temperature
reaches the set temperature at the set time.
1.5. OFF timer
The OFF timer can be activated by pressing the OFF timer button.
z
When the OFF timer is set, the operation stops after the set time.
z
When the temperature is set during timer setting, the temperature will
show in the display for 5 seconds and then return to the timer display.
Timer duration can be set from a minimum half an hour to a maximum
of12 hours. Up to 9.5 hours, you can set in half-hour increments, and
from10 to 12 hours, in 1hour increments.
1.6. ON/OFF operation
If the air conditioner is off, you can pressing the ON/OFF button to
operates cooling or heating mode. Presses the ON/OFF button, when the
buzzer sounds 1 short sound then enter cooling operation, 2 short sounds
enter heating operation, 1 long sound shut down the unit.
The unit operates in the set mode in the first 10 minutes of ON/OFF
operation, in the first 10 minutes, the indoor fan speed operates on high
speed, the vane swings, the compressor operates at maximum frequency
F4. In cooling operation, the set temperature automatically 1
ć
lower than
room temp., in heating mode the set temp. automatically 1 ć higher than
room temp., then the set temperature set at 23
ć
after 10 minutes, the
maximum operating frequency is F7.
1.7.Auto restart
Will automatically restart in the same setting whicth were active before the
power failure.
1.7.1. Operating mode at auto restart(Cool, Heat, Dry)
z
Temperature adjustment (within 2°C range) automatic operation
z
Temperature setting
z
Fan setting
z
Air flow direction
z
Power ON/OFF
z
Automatic operation mode setting
z
Swing louvre
1.7.2. Setting not memorized
z
Timer setting
1.7.3. Active auto restart and disabling auto restart
function
If the auto resart wasn’t actived,you can presse the ON/OFF switch
and then supply the power and keep 10 seconds(the buzze sound 3
sounds) to actives it.
Contrary, if the auto restart has actived, you can press the ON/OFF
switch and then supply the power and keep until 4beeps sound to
disable it.
1.8. FULL POWER Operation
The airconditioner works at the maximum power to make the room
cool or warm rapidly
z
The remote control will display ” “ button
z
The temperature display will go off.
z
The yellow FULL POWER lamp ” ” on.
TO CANCEL
Press the FULL POWER button again.
The yellow FULL POWER lamp ” ” on the unit will turn off
NOTE
z
The airconditioner will operate at “Extra HIGH” fan speed for 5
minUtes, and then shift to “HIGH” fan speed.
z
You can not set the temperature or fan speed during the FULL
POWER operation.
1.9. compressor discharge overheat prevevtion control
When the compressor discharge temperatureTP2(95 ), ć forbid the
frequency raise until the discharge temperature is bellow than TP2
decrease 2
ć .
When the discharge temperatureTP3(100 ), ć drop the operating
frequency. If discharge temperature is over 105 ,
ć
then shut-down
the compressor, outdoor fan motor stop after 15 seconds, when the
discharge temperature
˘
TP2(95 )
ć
and the compressor is stoped
for 3 minutes, the unit operates again.
1.10. Voltage prevention
When the voltage AC 158V, the uint stops and displays the code P1
until the voltage AC162V , when the voltage AC265V and keeps
30 minutes, the unit stops and displays code P1 until the voltage
AC 260V.
1.11. Over current prevention
ƽ when the outdoor currentI
drop
frequency,the controller
drops1Hz/second until the minimum operation frequency.
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