Sharp AY-XP24PU Service Manual page 8

AY-XPC15PU
5. Power ON start
If the connecting wire "POWER ON" (POJP) is put on the PWB assem-
bly, when the power is supplied by turning on a circuit breaker, the air
conditioner automatically starts of operation in "AUTO".
(Refer to Printed Wiring Board.).
6. Self-diagnostic malfunction code display
1) When a malfunction is confirmed, all relays turn off and a flashing
operation LED.timer LED.Plasamacluter LED is displayed to indi-
cate the type of malfunction.
When the air conditioner is in non-operating condition, holding
down AUX button for more than 5 seconds activates the malfunc-
tion code display function.
The operation continues only in the case of a serial open-circuit,
and the main relay turns off after 30 seconds if the open-circuit con-
dition remains.
In the case of a serial short-circuit, the air conditioner continues
operating without a malfunction code display, and the main relay
turns off after 30 seconds if the short-circuit condition remains.
The malfunction information is stored in memory, and can be
recalled later and shown on display.
2) The self-diagnostic memory can be recalled and shown on the dis-
play by stopping the operation and holding down AUX button for
more than 5 seconds.
(For details, refer to the troubleshooting section.)
7. AUTOMATIC AIR CONDITIONING
In the AUTO mode, the unit will automatically select COOL or HEAT
mode by comparing the room temperature and your desired tempera-
ture.
The unit will automatically switch between HEAT and COOL mode to
keep the desired temperature.
COANDA and MULTI SPACE button will be inactivated during AUTO
mode.
Modes and Temperature Settings
the figures in ( ) are temperature settings
During operation, if the outdoor temperature changes, the temperature
settings will automatically slide as shown in the chart.
8. Airflow control
8.1. VERTICAL AIR FLOW DIRECTION
1) Press the SWING button on the remote control once.
‡ The vertical adjustment louvre will swing continuously.
2) Press the SWING button again when the vertical adjustment louvre
is at the desired position.
‡ The louvre will stop moving within the range shown in the dia-
gram.
‡ The adjusted position will be memoried and will be automatically
set to the same position when operated the next time.
CAUTION: Never attempt to adjust the louvres manually.
‡ Manual adjustment on the louvres can cause the unit to malfunc-
tion.
Position in the COOL or DRY mode for an extended period of time,
‡ When the vertical adjustment louvre is positioned at the lowest
condensation may result.
8.2. HORIZONTAL AIR FLOW DIRECTION
Hold the horizontal airflow louver link and adjust the air flow direction.
9. Difference of operation in Auto and Manual
modes
In the Auto mode, the temperature setting is automatically determined
based on the outside air temperature. In addition, the air conditioner
operation differs from the operation in the Manual mode as explained
below.
9.1. Difference relating to set temperature
Heating
Auto
Cooling
mode
Dehumidifying
Heating
Cooling
Manual
mode
Dehumidifying
10. Dehumidifying operation control
In the Dehumidifying mode, the temperature setting is automatically
determined based on the outside air temperature. In addition, the air
conditioner operation differs from the operation in the Manual mode as
explained below.
27ºC
25ºC
22ºC
+0.5
22ºC
11. Full Power Operation
In this operation, the air/air heat pump works at the maximum power
and optimum louvre direction to make the room cool or warm rapidly.
During operation, press the FULL POWER button.
The remote control will display"
The temperature display will go off.
The green FULL POWER lamp on.
The unit will light up.
TO CANCEL
Press the FULL POWER button again.
The FULL POWER operation will also be cancelled when the opera-
tion mode is changed, or when the unit is turned off.
The geen FULL POWER lamp on the unit will turn off
NOTE:
The air/air heat pump will operate at "Extra HIGH" fan speed for 5
minutes, and then shift to "HIGH" fan speed. The vertical adjustment
louvre will be set obliquely downward.
You can not set the temperature or fan speed during the FULL
POWER operation.
To turn off the FULL POWER lamp, press the DISPLAY button.
2 – 4
Temperature setting method
Automatic temperature setting based
on outside air temperature.
Can be changed within± 2℃ using
remote control.
Can be changed between 18 and 32° C
using remote control.
Can be changed between 16 and 30℃
using remote control.
Automatic setting. Can be changed
within ± 2℃ using.
-1.5
-1.0
+0
-
28ºC
25ºC
Room Temperature
"