Haier AC122ACERA [302/408] Electric control functions
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Haier AC122ACERA [302/408] Electric control functions

Haier AD482AHEAA [302/408] Electric control functions
b. Quit defrosting:
The compressor will not stop, outdoor motor starts up and after it runs for 30 seconds, 4-way valve
will open, indoor motor will run as anti-cold air state.
For the unit with auxiliary electric heating function:
a. If the auxiliary electric heating function is working when the defrosting condition is met, please
stop electric heater firstly, 20 seconds later, defrosting can begin;
b. After defrosting, the unit will adjust the working state of electric heater according to the setting
before defrosting.
8. Auxiliary electric heating function (valid in heating mode or heating state in AUTO mode)
Enter condition:
1) T>1 2) Thermostat ON and running for 1 minute 3) Tr<26ć
4) Indoor motor running 5) Electric heating function start signal available (cancelled)
6) The system working in heating mode or in heating state of AUTO mode 7) Tg<48ć
If the above conditions can all be met, the electric heating function will work.
Quit condition:
1) Tİ1 2) Thermostat OFF 3) Tr>26ć 4) Indoor motor stops
5) Electric heating function start signal not available (cancelled)
6) The system in non-heating operation 7) Tg>52ć
If one of the above conditions can be met, the electric heater will stop.
9. Special functions
9.1 CLOCK setting and TIMER function
The unit can set 24-hour TIMER ON/OFF, and the min. unit is 1 minute, after being set, the timer
lamp of indoor will be on, and after the timer is over, the timer lamp will be off.
TIMER ON: RUN LED is off, compressor LED is off, and TIMER LED is on, the unit is in stop state.
When timer is over, the unit begins to run, and the timer LED is off. The unit operation begins from
receiving the timer signal for the last time. The SLEEP function only can be set before the TIMER
ON begins.
TIMER OFF: the unit running, the timer LED on, while the timer is over, timer LED off, the unit will
stop, the sleep can be set, the sleep time will replace the original time of TIMER ON/OFF.
TIMER ON/OFF set at the same time: when the timer on/off is set, the timer LED will be off; the
sleep function can be set, the sleep time will replace the original time of TIMER ON/OFF.
compressor starts up.
9.2 SLEEP function (energy saving function at night)
9.2.1 Standard sleep function: in cooling or dry mode, after running at SLEEP mode for 1 hour, the
set temperature will rise 1ć, another 1 hour later, the set temperature will rise another 1ć; the unit
continues running for 6 hours, then the unit will stop.
9.2.2 Standard sleep function: in heating mode, after running at SLEEP mode for 1 hour, the set
temperature reduces 2ć, another 1 hour later, the set temperature will reduce 2ć, and another 3
hours later, the set temperature rises 1ć; the unit continues running for 3 hours, then the unit will
stop.
9.2.3 Non-standard SLEEP function: the sleep function can realize 1~8 hours sleep mode when
being combined with the TIMER function.
1˅ When in Auto mode, the unit will make SLEEP operation due to the setting.
2˅ After setting SLEEP function, the clock can not be adjusted.
3˅ If sleep time is no more than 8 hours, when the time arrives, the unit wil shut off.
4˅ If sleep function is set after setting TIMER OFF function, the unit will execute as the SLEEP
Electric control functions
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