Operating Instructions
Name and Function of Remote Controller(Optional)
Operating Instructions
Models: ARNU, LRNU-B1/B2/B3/B4
1. Operation display
Displays the operation conditions.
2. On/Off Button
Operation starts when this button is pressed,
and stops when the button is pressed again.
3. Set Temperature Button
Used to set the temperature when the
desired temperature is obtained.
4. FAN Operation Button
Used to circulate room air without cooling or
heating.
5. Fan Speed Button
Used to set the desired fan speed.
6. Operation Mode Selection Button
Used to select the operation mode.
• Auto Operation Mode
• Cooling Operation Mode
• Soft Dry Operation Mode
• Heating Operation Mode(except cooling
model)
7. Room Temperature Checking Button
Used to check the room temperature.
8. Timer Cancel Button
Used to cancel the timer.
9. Timer Set Button
Used to set the timer when the desired time
is obtained.
10. Week Button
Used to set a day of the week.
11. Program Button
Used to set the weekly timer.
12. Holiday Button
Used to set a holiday of the week.
13. Time Set Button
Used to set the time of the day and change
the time in the weekly timer Function.
14. Set and Clear Button
Used to set and clear the weekly timer.
15. Reset Button
Used to set the current time and clear the
setting time.
