18
EN
Cleaning of Return grille
Preparation:
1. Turn off the air conditioner by the remote controller.
2. Dismount the Return grille.
Clean the Return grilles with water:
• Wipe down the Return grille with a sponge or towel moistened with a kitchen detergent. (Don’t use any metallic brush for cleaning.)
• Carefully rinse the Return grille to wash out the detergent.
• After rinsing the Return grille with water, dry it in the shade.
Cleaning of Air Filters
• Recommended cleaning intervals: Every two weeks.
• If the air filters are not cleared, it not only gets the cooling performance of air conditioner declined but causes a failure in the air
conditioner such as water-drops fall down from it.
Preparation:
1. Turn off the air conditioner by the remote controller.
2. Dismount the Return grille.
Use a vacuum cleaner to remove dust from the filters or wash them with water.
• After rinsing the air filters with water, dry them in the shade.
Set the air filter into the air conditioner.
CAUTION
• Don’t start the air conditioner while leaving the return grille removed.
NOTE
For Air conditioning system which is operated regularly, cleaning and maintenance of the indoor/outdoor units are strongly
recommended.
As a general guide, if an indoor unit is operated for about 8 hours daily, the indoor/outdoor units will need to be cleaned at least
once in every 3-MONTHS. This cleaning and maintenance shall be carried out by a qualified person.
Failure to clean the indoor/outdoor units regularly will result in poor cooling effect, icing, water leaking and even premature
compressor failure.
