Carrier 42QFD048R8S Serie Manuel D'installation page 9

Louver Angle Memory Function (some models)
Some models are designed with a louver angle
memory function. When the unit restarts after a
power failure, the angle of the horizontal louvers
will automatically return to the previous position.
The angle of the horizontal louver should not be
set too small as condensation may form and drip
into the machine. To reset the louver, press the
manual button, which will reset the horizontal
louver settings.
Energy Saving Tips
DO NOT set the unit to excessive temperature levels.
•
While cooling, close the curtains to avoid direct sunlight.
•
Doors and windows should be kept closed to keep cool or warm air in the room.
•
DO NOT place objects near the air inlet and outlet of the unit.
•
Set a timer and use the built-in SLEEP/ECONOMY mode if applicable.
•
If you don't plan to use the unit for a long time, remove the batteries from the remote control.
•
Clean the air lter every two weeks.
•
Adjust louvers properly and avoid direct air ow.
•
Closing curtains during heating also
helps keep the heat in
 Page 10 
Refrigerant Leak Detection System
(some models)
In the event of a refrigerant leak, the LCD screen
will display "EC" and the LED indicator light will
ash.
For a detailed explanation of each function,
refer to the Remote Control Manual.
Doors and windows should be kept
closed