Royal Sovereign ARP-900E User Manual
Page 9

9
Turning ON/OFF
Press ON/OFF button, the unit will start automatically. If the ambient temperature is
- Higher than 75 °F / 24
o
C, the unit will work in cooling mode.
- Higher than 68 °F / 20
o
C, but below or equal to 75 °F / 24
o
C, the unit will work in ventilation mode.
- Below 68 °F / 20
o
C, the unit will work in heating mode (Only for unit ARP-900 DE)
Indicators of the functions in progress will be lit. *NOTE: The COMPRESSOR indicator will only light up when the compressor is in
operation.
The display window shows the ambient room temperature.
To turn the unit off, press the ON/OFF button again.
Setting mode/function
Press MODE button to select required working mode: automatic, cooling, fan or heating,
(heating is only available for units ARP-900DE). The indicator of your selected mode will be lit.
Auto mode is factory preset at 75 degrees. When in auto mode (auto and cool light illuminated) the temp up and temp down buttons are
disabled and you cannot set a desired temperature. If you want a desired temperature above or below 75 run unit in cool mode and set
your desired temperature by pressing the temp up or temp down buttons.
Setting temperature
Press the 'Temperature up' or 'Temperature down' button to regulate the temperature desired.
The display window will show the temperature which you have set as you press the 'Temperature up' or 'Temperature down' button.
Otherwise, it will always show the ambient temperature.
The preset temperature of this machine is: 75 °F / 24
o
C / for cooling, 68 °F / 20
o
C for heating.
Setting ventilation speed
1. Press the SPEED button to choose the ventilation speed needed, high or low. The indicator of high or low
ventilation will light up at the same time.
2. If the unit is in AUTO mode, it will choose the ventilation speed automatically according to the ambient temperature (the related
indicators will light up: at this time, the speed switch is invalid).
ARP-900E / ARP-900DE
Sales Inquiries: (800) 934-9194