18
MAINTENANCE
Cleaning of air filter
• When [FILTER] is displayed on the remote controller, maintain the air filter.
• Clogging of air filter decreases cooling/heating effect.
WARNING
Be sure to turn off the main power switch prior to the maintenance.
• Please do not intend to do the daily maintenance and/or Air Filter cleaning by yourself.
Cleaning of the air filter and other parts of the air filter involves dangerous work in high places, so be
sure to have a service person do it. Do not attempt it yourself.
<Daily maintenance>
• For daily maintenance including Air Filter cleaning, make sure to ask the qualified service person particu-
larly following models;
4-way Air Discharge Cassette Type Concealed Duct Type Under Ceiling Type
2-way Air Discharge Cassette Type Slim Duct Type
1-way Air Discharge Cassette Type Concealed Duct, High Static Pressure Type
ON / OFF
FAN
TEMP.
SWING/FIXTIME
MODE
VENT
UNITSET CL
FILTER
RESET
TEST
TIMER SET
CODE No.
UNIT No.
TEST
SETTING
DATA
SET
R.C. No.
H
FILTER display
Notifies the time to clean the air filter.
FILTER reset
Push the FILTER switch after cleaning.
“FILTER” display disappears.
4-way Air Discharge
Cassette Type
Under Ceiling Type Slim Duct Type
2-way Air Discharge
Cassette Type
Concealed Duct Type
1-way Air Discharge
Cassette Type
Concealed Duct,
High Static Pressure Type
NO GOOD
NO GOOD
NO GOOD
NO GOOD
NO GOOD
NO GOOD NO GOOD