Sharp AH-X079E Service Manual page 16

AH-X079E/X099E
AY-X079E/X099E
1-3 Hot keep
If the room temperature is in the j or k zone during
heating, the compressor is turned on and off to prevent
overheating.
Zone Compressor intermittent time
J 3 min. on - 3 min. off
K 3 min. on - 8 min. off
The fan goes off 30 seconds after the compressor
goes off.
1-4 Automatic operation
The operating mode and temperature setting are
determined by the room temperature and the external
air temperature.
0 10 18
26 Heating Heating Heating
(24˚C) (23˚C) (22˚C)
(Room temperature
21
Room
The external air temperature is determined by
temperature
detecting the temperature of the outdoor heat
(˚C)
exchanger.
1-5 ON-timer
The ON-timer is set by pressing the ON-timer button.
In order to attain the set temperature at the set time,
the operation starting time is corrected by neuro and
fuzzy computing one hour before the set time.
1-6 OFF-timer
The OFF-timer is set by pressing the OFF-timer
button. Operation is as follows:
Cooling By fuzzy computing
Heating Set the shift up time
Dry Same as above
(Final setting + 1°C)
*During Heating
Timer set time
3°C
1
hour
Timer operation starts
Fan
Same as Compressor
After "3 min. on - 3 min.off"
is repeated 4 times, the
compressor goes off, and
only the fan continues to
repeat "3 min. on - 8
min.off".
External air
temperature (°C)
31 34
Cooling
(25˚C)
Cooling Cooling
Dry
(26˚C) (27˚C)
- 2°C)
Set temperature
Cooling setting + 1°C
Final
Heating setting - 3°C
Room
temperature
Stops
*During Cooling / Dry
1°C
1
hour
Timer operation starts
1-7 Swing louvre
The louvre is moved by a stepping motor to perform
swing and fixing in the set position.
If the "FLOW DIRECTION" button is prossed during
swing, it will stop. If the "FLOW DIRECTION" button is
prossed while it is stopped, it will swing.
1-8 Restart control
Once the compressor stops, this control prevents it
from starting again for 3 minutes. It also prevents
starting for 20 seconds immediately following plugging
into the power outlet.
1-9 One-hour operation
If this button is pressed when operation is
stopped, operation will begin and then stop after 1
hour.
If pressed when it is operating, will stop after one
hour.
1-10 Full power operation
Immediately begins cooling or heating at
maximum power and air flow. Full power stops
after 1 hour.
(During heating)
Operates at setting of 32°C.
(During cooling)
Operates at setting of 18°C.
1-11 Preheat
When heating is stopped, supplies a small amount
of power to the compressor to make heating start
more quickly.
Operates when the indoor temperature sensor
and external air sensor detect that the room
temperature and outdoor heat exchange
temperature are low (below 18°C and 10°C,
respectively). Stops when the compressor
chamber temperature rises above 30°C.
Preheat does not operate for 2 hours after heating
is stopped. After that, it goes on for 165 minutes
and then stops for 15 minutes, repeatedly.
At least 165
120 min min
Air conditioner OFF
16
Timer set time
Room
temperature
Stops
15
min