Vivax ACP-12CH35AEHI+ R32 User Manual page 238

VIVAX
3. Point remote to unit and wait 1sec, the TIMER OFF will be activated.
NOTE:

When setting the TIMER ON or TIMER OFF, the time will increase by 30
minutes increments with each press, up to 10 hours. After 10 hours and
up to 24, it will increase in 1 hour increments. (For example, press 5 times
to get 2.5h, and press 10 times to get 5h,) The timer will revert to 0.0 after
24.

Cancel either function by setting its timer to 0.0h.
Example of timer setting
Example: If current timer is 1:00PM, to set the timer as above steps, the unit
will turn on 2.5h later (3:30PM) and turn off at 6:00PM.
Timer
starts
Current
Time 1PM
Unit
turns ON
34
ENG
Unit
turns OFF