Product Features
 Page 87 
louver movement. The louver will swing up and down 
automatically if push this button.
5. SWING  Button: Used to stop or start vertical louver 
movement. 
AIR DIRECTION Button: Used to set the desired up/down 
air flow direction. The louver changes 6 degree in angle for 
each press.
6. RESET Button(inner located): Once the recessed 
RESET button is pressed, all of the current settings will 
be cancelled and the controller will return to the initial 
settings.
7. ON/OFF Button: For turning on or turning off the air 
conditioner.
8. FAN SPEED Button: Fan speed will be selected in 
following sequence once pressing this button:
9. TIME ON Button: For time ON setting. Press this button 
to activate the Auto-on time setting. Each press will 
increase the time setting in 30 minutes increments, up to 
10 hours, then at 1 hour increments up to 24 hours. To 
cancel the Auto-on time setting, just press the button until 
the time setting is 0.0.
10. ECO Button: Select this function during the sleeping 
time. It can maintain the most comfortable temperature 
and save energy. This function is available on COOL, HEAT 
or AUTO mode only . 
NOTE: While the unit is running under Energy-saving 
mode, it would be cancelled if press MODE, FAN SPEED or 
ON/OFF button.
11. TIME OFF Button: For time OFF setting. Press this 
button to activate the Auto-off time setting. Each press 
will increase the time setting in 30 minutes increments, up 
to 10 hours, then at 1 hour increments up to 24 hours. To 
cancel the Auto-off time setting, just press the button until 
the time setting is 0.0.
12. CH Button(inner located): Press this recessed button 
to shift the mode between Cooling only and Cooling & 
Heating according to the feature of the machine. The 
factory default setting mode is Cooling & Heating. For 
example, the unit you purchased is Cooling only models, 
please press this recessed button with a needle of 1mm to 
shift the operation mode.
3.1.2  R51M/E(Standard for Forest series)
Remote Controller Specifications
Model R51M/E
Rated Voltage
3.0V (Dry batteries R03/
LR03×2)
Reaching Distance 8m
Environment Temperature 
Range
-5℃~60℃(23℉~140℉)
Buttons and Functions
1. TEMP DOWN Button : Push this button to decrease the 
indoor temperature setting in 1℃increments to 17℃.
2. TEMP UP Button: Push this button to increase the 
indoor temperature setting in 1℃increments to 30℃
3. MODE Button: Once pressing, running mode will be 
selected in the following sequence: 
NOTE: No heating mode for cool only type unit. 
4. SWING Button: Push this switch button to activate auto 
swing feature of the horizontal louver. Push it again to 
stop.
5. RESET Button (inner located): Once the recessed 
RESET button is pressed, all of the current settings will 
be cancelled and the controller will return to the initial