Haier AB422XCBAA Service Manual page 34

AUTO operation, COOLING, HEATING and DEHUMIDIFICATION operation
1) Start up operation: press the button of ON/OFF, the system will start up, and will display
[MODE][AUTO]；[FAN][AUTO]；[ROOM TEMP.]+"24℃" ；[CLOCK]+"12：00".
2) Select MODE: press the MODE button, then you will see in the display section [MODE]
switch over in below sequence:[FAN ONLY]→[COOL]→[DRY]→[HEAT]→[AUTO]→[FAN
ONLY]. Select [FAN ONLY].
3) Change set temperature: press TEMP + or – every time, [SET] will display, and set
temperature will increase/reduce 1℃（F）.
4) Select fan speed: press FAN button, then you see in the display section [FAN] switch over
in below sequence: [AUTO]→[HIGH]→[MED]→[LOW]→[AUTO]. Select proper fan speed.
5) Select [SWING]: press [SWING] button, swing function is valid. Press again, swing
function is invalid.
6) Set [HEALTH]: used to set the indoor health function. Press it once, [HEALTH] will display
in the display section, then indoor health function is valid. Press it again, [HEALTH] will
disappear, then the health function is invalid.
This function is valid only for the unit with health function.
7) Power off: press ON/OFF button, indoor unit is powered off. There are only time and the
ambient temperature in the screen.
Set TIMER operation:
Adjust clock: when powered on, for the first time to set timer function, the clock will be
adjusted.
Press "CLOCK" button, and set the current clock. Now, "CLOCK" will flash at the frequency
of 2Hz. Press the clock +/- button; the current clock can be adjusted. Until the proper time
comes, press [SET].
TIMER ON operation:
Press TIMER button, and keep pressing it, in the display section [TIMER] will switch over in
below sequence: [ON]→[OFF]→[ON][OFF] → [ON][OFF][DAILY] →[ ]. Select [TIMER]
[ON], then [TIMER] [ON] flashes, press the clock +/- button to adjust the time of TIMER ON,
press [SET] button.
TIMER OFF operation:
Press TIMER button, and keep pressing it, in the display section [TIMER] will switch over in
below sequence: [ON]→[OFF]→[ON][OFF] → [ON][OFF][DAILY] →[ ]. Select [TIMER]
[OFF], then [TIMER] [OFF] flashes, press the clock +/- button to adjust the time of TIMER
OFF, press [SET] button.
TIMER ON-OFF operation:
Press TIMER button, and keep pressing it, in the display section [TIMER] will switch over in
below sequence: [ON]→[OFF]→[ON][OFF] → [ON][OFF][DAILY] →[ ]. Select [TIMER]
[ON] [OFF]. Firstly, [TIMER][ON] flashes, press the clock +/- button to adjust the time of
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