Carrier 42QFD048R8S Serie Manuel D'installation page 14

4. Remove the air lter.
5. Clean the air lter by vacuuming the surface
or washing it in warm water with mild
detergent.
A. If using a vacuum cleaner, the inlet side
should face the vacuum.
B. If using water, the inlet side should face
down and away from the water stream.
6. Rinse the lter with clean water and allow
it to air-dry. DO NOT let the lter dry in
direct sunlight.
7. Reinstall the lter.
Fig. 4.2
Fig. 4.3
Repairing Refrigerant Leaks
WARNING
If the refrigerant leaks, turn o the air
•
conditioner and any combustible heating
devices, ventilate the room and call your
dealer immediately. Refrigerant is both
toxic and ammable. DO NOT use the
air conditioner until the leak is repaired.
When the air conditioner is installed in a
•
small room, measures must be taken to
prevent the refrigerant concentration
from exceeding the safety limit in the
event of refrigerant leakage.
Concentrated refrigerant causes a severe
health and safety threat.
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.
Preparation For Periods Of Non-Use
Maintenance after Extended Non-Use
1. Remove any obstacles blocking the vents of
both the indoor and outdoor units.
2. Clean the air lter and the front grille of the
indoor unit. Reinstall the clean, dry air lter in
its original position.
3. Turn on the main power switch at least 12
hours prior to operating the unit.
Storing the Unit While Not In Use
1. Run the appliance on FAN mode for 12 hours
in a warm room to dry it and prevent mold.
2. Turn o the appliance and unplug it.
3. Clean the air lter according to the
instructions in the previous section. Reinstall
the clean, dry lter before storing.
4. Remove the batteries from the remote control.
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