Haier AD182AMERA Service Manual page 67

7.3 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 function.
5） If SLEEP function is set, the TIMER function can not be set.
6） If sleep function is set after setting TIMER ON function, the sleep function only can be
set befroe the TIMER ON time arrives.
7） After setting sleep function, press CLOCK button to check the clock; press TEMP
button to display the set temperature, and press again to change the set temperature.
8. Auto operation
Full auto operation
If the unit is at Auto mode, the system will adjust the operation mode according to the
temperature difference between the set temperature and the room temperature. Below Tr
stands for room temperature, Ts stands for room temperature.
If entering Auto mode for the first time, the unit will execute as follow:
Tr≥Ts-3℃
Tr＜Ts-3℃
After entering Auto mode, the operation mode can be changed between cooling and heating: if
the unit is in cooling mode at present, when the compressor arrives the stop temperature, the
compressor stops; after compressor stops for 15 minutes, the unit will check the temperature
again, at this time, if Tr＜Ts-3℃, the unit will enter heating mode, or it will still be in cooling
mode; if the unit is in heating mode at present, when the compressor arrives the stop
temperature, compressor will stop, afte compressor stops for 15 minutes, the unit will check the
room temperature, if Tr＞Ts+3℃, the unit will enter cooling mode, or it will still be in heating
mode.
In this mode, TIMER mode and SLEEP mode are available. In cooling mode, the unit will be in
COOL SLEEP; in heating, the unit will be in HEAT SLEEP.
Fan blade can swing or be fixed on one position, and fan speed can be set at High, Med, Low or
Auto.
9. Trial running
The frequency is 58Hz, and the unit is in cooling mode, fan speed is High.
After the trial running time is 30 minutes, the unit will shut off.
In trial running, the unit will quit this state if receiving the remote signal.
There is no low load protection.
10. Low load protection
In cooling/dry mode, make the low load protection due to the heat exchanger temperature.
Commercial Air Conditioner
Ts
Ts-2
Ts-3
Ts-4
select cooling mode
select heating mode
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Model: AU182AFERA
AD182AMERA, AS182AVERA