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Air Filter Reminders (Optional)
Air Filter Cleaning Reminder
After 240 hours of use, the display window on 
the indoor unit will flash “CL.” This is a reminder 
to clean your filter. After 15 seconds, the unit will 
revert to its previous display.
To reset the reminder, press the LED button 
on your remote control 4 times, or press the
MANUAL CONTROL button 3 times. If you don’t  
reset the reminder, the “CL” indicator will flash 
again when you restart the unit.
Air Filter Replacement Reminder
After 2,880 hours of use, the display window on 
the indoor unit will flash “nF.” This is a reminder 
to replace your filter. After 15 seconds, the unit 
will revert to its previous display.
To reset the reminder, press the LED button 
on your remote control 4 times, or press the
MANUAL CONTROL button 3 times. If you don’t  
reset the reminder, the “nF” indicator will flash 
again when you restart the unit.
Maintenance –  
Long Periods of Non-Use
If you plan not to use your air conditioner for an 
extended period of time, do the following:
Clean all filters
Turn on FAN function until 
unit dries out completely
Turn off  the unit and               
disconnect the power 
  Remove batteries  
from remote control
Maintenance –  
Pre-Season Inspection
After long periods of non-use, or before periods 
of frequent use, do the following:
Check for damaged wires Clean all filters
Check for leaks Replace batteries
Make sure nothing is blocking all air inlets and outlets
Care and
Maintenance
 CAUTION
• 
Before changing the filter or cleaning, 
turn off the unit and disconnect its power 
supply.
• 
When removing filter, do not touch metal 
parts in the unit. The sharp metal edges can 
cut you.
• 
Do not use water to clean the inside of the 
indoor unit. This can destroy insulation and 
cause electrical shock.
• 
Do not expose filter to direct sunlight when 
drying. This can shrink the filter.
 CAUTION
• 
Any maintenance and cleaning of outdoor 
unit should be performed by an authorized 
dealer or a licensed service provider.
• 
Any unit repairs should be performed 
by an authorized dealer or a licensed 
service provider.