During Operation - Haier HSU-12RUE03 Operatiing Manual

Maintenance
For Smart Use of The Air Conditioner
Setting of proper room
temperature
Close doors and windows

during operation

If the unit is not to be used
for a long time, turn off the
power supply main switch.
Proper
temperature
Use the timer effectively
During cooling operation
prevent the penetration of
direct sunlight with
curtain or blind
Use the louvers effectively
OFF
21
Do not block the air inlet
or outlet