Sharp AH-X127E Service Manual page 22

AH-X127E
AU-X127E
AY-X127E
AE-X127E
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
1-12 Power ON start
If a jumper wire is inserted into the place indicated
power ON on the indoor control board, and the
power plug is inserted. cooling or heating will be
automatically determined by the room temperature
sensor on the main unit, and operation will begin.
1-13 Compressor relay RY1
15
min
(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.
Air conditioner
operation
Compressor
relay
It will not go ON again before 80 seconds elapses.
(3) If air conditioner operation is turned on again during
Air conditioner
operation
Compressor
relay
the 100 seconds delay before the compressor relay
goes off, the compressor relay will stay on.
Air conditioner
operation
Compressor
relay
22
ON
OFF
ON
OFF
100 sec.
ON ON
OFF
ON
ON
OFF
100 sec. 80 sec.
ON ON
OFF
ON
100 sec.