627
Indoor Unit Control
24.14 26
O
C lock funciton
Factory default the 26°C lock function is unavailable.
Setting method by remote controller: (apply to all indoor units except Round-way cassette: AB*MRERA)
Power on the unit, in cooling mode, low speed, setting the temperature 26°C. Press the “HEALTH” button of the 
remote controller 8 times in 5s, buzzer echoes 4 times, the 26°C lock function is available; repeat above operations, 
buzzer echoes 2 times, the 26°C lock function is unavailable. 
Setting method for Round-way cassette: AB*MRERA by remote controller:
Power on the unit, press the "LIGHT" button 12 times, buzzer echoes 4 times, the unit panel will display "A", then 
press the "LIGHT" button again,  the  unit panel will display "A0", press  the  temp.  adjusting key, until the panel 
display "Ab", press the "LIGHT" button to conrm, then the panel will display "00" or "01" (00: 26
O
C lock function is 
unavailable; 01:26
O
C lock function is available), press the  temp. adjusting key to select the "00" or "01" , then press 
the "LIGHT" button to conrm. After 60s, the unit will exit the setting mode automatically.