Sharp CV-P09FX, Service Manual

Page: 23 / 48

CVP09FX
4 – 4
7. Freeze preventive
When the indoor pipe temperature falls below 32.0
°
F during cool oper-
ation or dry operation, the compressor is turned off. And if the indoor
pipe temperature rises exceeds 39.2
°
F after 3 minutes, the compres-
sor will restart.
8. Timer
8.1. OFF TIMER
Set the OFF-TIMER.
The unit will turn off automatically according to your setting. Timer
duration can be set by 0.5 hours to maximum 12 hours. Up to 9.5
hours, you can set by 0.5hours increments and from 10 to 12 hours, by
1 hour increment.
8.2. ON TIMER
Set the ON-TIMER.
The unit will turn on automatically according to your setting. Timer
duration can be set by 0.5 hours to maximum 12 hours. Up to 9.5
hours, you can set by 0.5hours increments and from 10 to 12 hours, by
1 hour increment.
8.3. ONE-HOUR TIMER
When ONE-HOUR timer is set, the unit turns off automatically after
one hour. The one hour timer operation has priority over other time
operation, such as the TIMER ON and TIMER OFF. If the ONE-HOUR
TIMER button is pressed again during operation, the unit will operate
additionally for another one hour.
9. AUX Button
9.1. Test Run
If the "AUX" button on the unit is pressed for 5 seconds or more during
operation, cool test operation starts. The operation LED (red) flickers
during test run. Continuous compressor on operation is performed.
During Test-Run mode, pump is always ON.
9.2. Aux Operation
If the "AUX" button on the unit is pressed during operation OFF, cool-
ing operation starts.
Then setting Temperature will be is automatically set.
During Aux mode, pump will be ON for 1 minute since start.
10. Test mode
Keep pushing the "AUX." buttons and supply the power, the system
will go to the test mode. In this mode, the output of operation is
switched by pushing the "AUX." button in the unit or the "OI" button in
the remote controller. Normal outputs are shown in "Self Check Mode
Table"
11. Diagnostic program
When indoor fan motor is out of order or compressor lock or abnormal water level occurs, the compressor, indoor fan motor, outdoor fan motor, and
louver are all stopped and the operation LED(red) turns on or off synchronously with the timing of the timer LED. When the thermistor for room tem-
perature or pipe temperature is open or short state, the operation LED turns on or off synchronously with the timing of the timer LED by pushing con-
tinuously for more than 5 seconds "AUX." button during suspension of operation.
12. Drain Pump
When drainage is accumulated the float switch becomes close condi-
tion and the microcomputer detects this for 1 minute and cause to
operate drain pump. If it has passed for 3 minutes since the microcom-
puter detects an error by photo interrupter circuit, Compressor will stop
and ALL LED will blink.
13. Plasmacluster
Whenever an indoor machine receives the signal of the plasma cluster
from remote control during air conditioner operation, the operation
mode regarding at the plasmacluster changes in the order of the fol-
lowing.
Clean mode
→
OFF
Timer LED
Operation LED
Indoor fan motor
Outdoor fan motor
Thermistor short state
Thermistor open state
ON
OFF
1sec
1sec
4sec
ON
OFF
ON
OFF
ON
OFF
ON
OFF