Sharp AH-MX122 Service Manual page 15

12
11
10
9
8
7
6
5
4
3
2
h1
1
j
i
0 1
Operating frequency code
1-3 Automatic operation
The operating mode and temperature setting are
determined by the room temperature and the external
air temperature.
Cooling
(24˚C)
29
(Dry)
(Room temperature
- 2°C)
Room
temperature
(˚C)
When the set temperature is adjusted within the
range of ±2˚C by the remote control's key. (
the changeover judgement room temp. will also be
shifted within the range of ±2˚C.
1-4 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 fuzzy
computing one hour before the set time.
1-5 OFF-timer
The OFF-timer is set by pressing the OFF-timer
button. Operation is as follows:
Cooling By fuzzy computing
Set the shift up time
Final ( Cooling setting + 1°C)
Dry Same as above
(Final setting + 1°C)
*During Cooling / Dry
Timer set time
1°C
1
hour
Timer operation starts
Dry
d
(Full power only)
e
f
h2, g
2 3 4 5
Outdoor
temperature (°C)
28 34
Cooling Cooling
(25˚C) (26˚C)
Set temperature
Room
temperature
Stops
1-6 Swing louvres
Louvres are moved by stepping motors to perform
swing and fixing in the set position. If the "FLOW
DIRECTION" button is pressed during swing, they
will stop. If the "FLOW DIRECTION" button is pressed
while they are stopped, they will swing.
1-7 Restart control
Once the compressor stops, this control prevents it
from starting again for 3 minutes. It also prevents
starting for 80 seconds immediately following plugging
into the power outlet.
1-8 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.
Air conditioner
operation
Compressor
relay
1-9 Full power operation
Immediately begins cooling or heating at maximum
Air conditioner
operation
),
Compressor
relay
power and air flow.
(During cooling)
1-10 Power ON start
Air conditioner
operation
Compressor
relay
If a jumper wire is inserted into the place indicated
JP99 on the indoor control board, and the power
plug is inserted. cooling mode will be automatically
determined by the room temperature sensor on the
main unit, and operation will begin.
1-11 Compressor relay
(1) It is ON during operation, and when operation is
stopped, goes OFF after a delay of 100 seconds
(not immediately).
(2) The minimum OFF time of the relay is 80 seconds.
It will not go ON again before 80 seconds elapses.
(3) If air conditioner operation is turned on again
during the 100 second delay before the
compressor relay goes off, the compressor relay
will stay on.
14
ON
OFF
ON
OFF
100 sec.
ON ON
OFF
ON
ON
OFF
100 sec. 80 sec.
Operates at setting of 18°C.
ON ON
OFF
ON
100 sec.