Midea MEHS-09NIH2 Service Manual page 32

now, it will not start up firstly after setting the
"timer off" function. And when reaching the
setting time, the timer LED will be off and the
AC running mode has not been changed.
9.4.7.7 The setting time is relative time.
9.4.8 Sleep function mode
9.4.8.1 Operation time in sleep mode is 7 hours.
After 7 hours the AC quits this mode and turns
off.
9.4.8.2. Operation process in sleep mode is as
follow:
When cooling, the setting temperature rises 1℃
(be lower than 30℃) every one hour, 2 hours
later the setting temperature stops rising and
indoor fan is fixed as low speed.
When heating, the setting temperature
decreases 1℃ (be higher than 17℃) every one
hour, 2 hours later the setting temperature
stops rising and indoor fan is fixed as low speed.
(Anti-cold wind function has the priority)
9.4.8.3 Timer setting is available
9.4.8.4 When user uses timer off function in
sleep mode (or sleep function in timer off mode),
if the timing is less than 7 hours, sleep function
will be cancelled when reaching the setting time.
If the timing is more than 7 hours, the machine
will not stop until reaches the setting time in
sleep mode.
9.4.9 Auto-Restart function
The indoor unit is equipped with auto-restart
function, which is carried out through an
auto-restart module. In case of a sudden power
failure, the module memorizes the setting
conditions before the power failure. The unit will
resume the previous operation setting (not
including swing function) automatically after 3
minutes when power returns.
If the memorization condition is forced cooling
mode, the unit will run in cooling mode for 30
minutes and turn to auto mode as 24℃ setting
temp.
If AC is off before power off and AC is required
to start up now, the compressor will have 1
minute delay when power on. Other conditions,
the compressor will have 3 minutes delay when
restarts.
9.4.10 8℃ Heating(optional)
In heating operation, the preset temperature of
the air conditioner can be as lower as 8℃,
which keeps the room temperature steady at 8℃
and prevents household things freezing when
the house is unoccupied for a long time in
severe cold weather.
30