Gree INVERTER GEH09AA-K6DNA1F/I Manuel D'utilisateur page 21

Operating guide
The temperature should not be set lower than
what you need. This would result to increase
energy cost.
Clean the air filter every week for higher
efficiency.
Draw close curtains or close glass windows
when cooling to prevent heat load from sun
light which may cause more electricity cost.
To distribute cool air through out the roon,
adjust air flow direction as shown by the
arrows (see picture) to diffuse cool air.
Close window and door while operating the unit
to prevent leakage of cooled air to save energy.
In case of ineffective ventilation,open the
window to ventilate the room air once in a
while but not too long since cooled air will be
uselessly drained out.
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OPERATION INSTRUCTIONS