Midea MA9A-24HR-QB4W, Service Manual

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Forced auto mode:
The action of forced auto mode is the same as normal auto mode with 24
℃
setting temperature.

When AC receives signals, such as switch on, switch off, timer on, timer off, mode setting, fan
speed setting, sleeping mode setting ,follow me setting, it will quit the forced operation.
8.4.7 Timer function
8.4.7.1 Timing range is 24 hours.
8.4.7.2 Timer on. The machine will turn on automatically when reaching the setting time.
8.4.7.3 Timer off. The machine will turn off automatically when reaching the setting time.
8.4.7.4 Timer on/off. The machine will turn on automatically when reaching the setting “on” time, and
then turn off automatically when reaching the setting “off” time.
8.4.7.5 Timer off/on. The machine will turn off automatically when reaching the setting “off” time, and
then turn on automatically when reaching the setting “on” time.
8.4.7.6 The timer function will not change the AC current operation mode. Suppose AC is off 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.
8.4.7.7 The setting time is relative time.
8.4.8 Sleep function mode
8.4.8.1 Operation time in sleep mode is 7 hours. After 7 hours the AC quits this mode and turns off.
8.4.8.2. Operation process in sleep mode is as follow:
After pressing ECONOMIC or SLEEP button on controller, the machine will turn into sleep mode.
When cooling, the setting temperature rises 1
℃ (be lower th
setting temperature stops rising and indoor fan is fixed as low speed.
For heat pump models, when they are in heating, the setting temperature decreases 1
℃ (be higher
than 17
℃ ) every one
low speed.(Anti-cold wind function has the priority)
8.4.8.3 Timer setting is available
8.4.8.4 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.