Mitsubishi Heavy Industries SCM71ZM-S1 Technical Manual page 146

(15) Display brightness adjustment
This function can be used when it is necessary to adjust the brightness of unit display.
Brightness level
LV2
LV1
LV0
Note(1) When the unit displays self diagnosis or service mode, brightness level is always LV2.
(16) AUTO OFF operation
In order to prevent the air-conditioner from continuing to operate although the person(s) has already left the room,
the air-conditioner automatically stops approximalely 1 hour (or 2 hours) after the sensor judges that there is no one in the room.
(a) Emits a warning sound, "Peep, Peep, Peep", and stops the operation automatically when there is no one in the room for setting
time (Standby). When the motion sensor detects a person 12 hours after the operation was stopped, the operation resumes with
the same settings. The operation does not resume even if a person is detected after 12 hours has elapsed. (The RUN light blinks
slowly during standby.)
(b) When the SLEEP TIMER, OFF TIMER and ON TIMER + OFF TIMER operation are set, the AUTO OFF functions is disabled.
(c) The AUTO OFF function does not activate if the operation is started by the ON TIMER when there is no one at home.
(17) Outline of dehumidifying (DRY) operation
(a) Purpose of DRY mode
The purpose is "Dehumidification", and not to control the humidity to the target condition.
Indoor/outdoor unit control the operation condition to reduce the humidity, and also prevent over cooling.
(b) Outline of control
(i) Indoor unit fan speed and compressor are controlled by the area which is selected by the temperature difference.
Indoor
fan speed
Compressor
speed
(ii) The indoor unit check the current area by every 5 minutes, and operate by the next checking.
(c) Other
When the outdoor air temperature and room temperature is low in cooling operation, indoor unit can not operate in cooling,
and dehumidify. In this case, the units operate in heating to rise the indoor air temperature and after that start DRY operation.
Timer light
Run light
100% 100%
50% 50%
0%
Indoor unit fan speed
D C
ULo speed
Stop
Minimum
Stop
Setting temperature
Difference between set temperature and indoor air temperature.
0%
Area
B A
Lo speed
Limited （Lower than
normal cooling operation）
Limited
（Lower than the speed in"Area A"）
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'17 • SCM-T-225
'09•SRK-DB-087D