Multi VRF Floor Standing Indoor Unit   
20 
closedown of timer function. Each time press “▲” or “▼” button, if 
it is within 10 hours, it will increase or decrease 0.5 hour each time, 
if  long  press  “▲”  or  “▼”  button,  it  will  increase  or  decrease  0.5 
hour every 0.3 seconds; if it is over 10 hours, each time press “▲” 
or “▼” button  will increase or  decrease 1 hour each time, and  if 
long press “▲” or “▼” button, it will increase or decrease 1 hour 
every 0.3 seconds. 
(5)  Setting of air renewal function. 
1)  Air renewal function: through adjusting the fresh air volume to 
improve the air quality and keep the indoor fresh air. 
2)  Air renewal setting: press “Function” button to switch to air renewal 
function, when “
” icon flickers, press “▲” or “▼” button to adjust 
the air renewal level; after setting air renewal level, press 
“ON/OFF” button or without pressing any buttons for consecutive 5 
seconds, the air renewal function has been confirmed to be turned 
on and then  quit the function setting status. After quitting  the 
function setting status, the “
” icon is on, it means the air renewal 
function has been turned on. 
3)  Cancel air renewal: press “Function” button to switch to air renewal 
function, when “
” icon flickers, press “▲” or “▼” button to set the 
air renewal as “00”, then the air renewal function is canceled; 
press “ON/OFF” button or without pressing any buttons for 
consecutive 5 seconds, it will quit the function setting status. After 
quitting function setting status, the “
” icon is off, it means the air 
renewal function is canceled. 
4)  Adjustment range of air renewal level: it can adjust the air renewal 
level to be 00~10, in which “00” refers to closing down air renewal 
function. 
(6)  Setting of Sleeping Function. 
1)  Sleeping function: set the unit to enter into sleeping operational 
status, the unit will operate according to the preset sleeping