Haier HSU-18C03 Operation Manual page 18

Maintenance
Better use of air conditioner
Proper room temperature.
Closing of doors and windows
during operation
Never fail to observe the followings
Do not sprinkle water over
the unit.
Do not pull power plug.
Proper
temperature
Curtains or blinds
for windows
17
Cleaning of the air filter.
Effective use of the timer.
Do not block the inlet or outlet.
Do not use for other purposes.
Such as food preservation
plant cultivation or animal
breeding.
Once every
two weeks
Avoid time-wasteful
operation