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Maintenance
WARNING
Cleaning the air filter and other parts of the air filter involves dangerous work in high places, ask a service
person to do it.
Do not attempt to do it by yourself.
To avoid the possibility of electric shock, always turn off power to the system before performing any cleaning
or maintenance to the system. Turn off the outdoor disconnect switch located near outdoor unit.
Operating the system with dirty filters may damage the indoor unit and could cause reduced cooling
performance.
Periodic Maintenance - periodic maintenance is recommended to ensure proper operation of the unit.
Recommended maintenance intervals may vary depending on the installation environment, e.g. dusty zones. Refer
to table below.
Periodic Maintenance
NOTE
The high static ducted type and slim ducted type are not equipped with an air filter when shipped from the factory.
The type of air filter (locally procured), installation position, and maintenance method vary depending on the local duct
design. For details, contact the contractor or dealer from whom you purchased the product.
INDOOR UNIT
EVERY MONTH
EVERY 4 MONTHS
EVERY YEAR
Clean Air Filter*
1
Clean Drain Pan
Clean indoor heat exchanger*
2
Clean fan*
2
Change Remote Control Batteries
1
1
1
1
1
OUTDOOR UNIT
EVERY MONTH
EVERY 4 MONTHS
EVERY YEAR
Clean Outdoor heat exchanger from Outside
Clean Outdoor heat exchanger from Inside*
2
Blow Air Over Electric Parts*
2
Check Electric Connection Tightening*
2
Clean Fan Wheel*
2
Check Fan Tightening*
2
Clean Drain Pans*
2
1
1
1
1
1
1
1
*1: Increase frequency in dusty zones.
*2: Maintenance to be carried out by qualified service personal.
4-way cassette type
REQUIREMENT
Clean the heat exchanger with pressurized water.
If a commercially available detergent (strong alkaline or
acid) cleaning agent is used, the surface treatment of the
heat exchanger will be marred, which may degrade the
self cleaning performance.
For further details, contact the dealer.
Replacing antibacterial glass
Request your dealer to replace the antibacterial glass
every 10000 hours of cooling operation.
Cleaning the air filter
If
is displayed on the remote control, clean the air
filter.
1
Open the air intake by sliding the latches.
Let the grille drop while holding it.
2
Remove the air filter from grille.
3
Vacuum the filter and rinse it with water.
4
Dry the filter.
5
Wipe the inside of the air intake with water or
mild detergent and then dry it.
6
Reinstall the filter.
7
Close the grille and secure it to the frame by
the latches.
8
Push
button to reset filter timer.
“FILTER ”
disappears.
CAUTION
Do not start the air conditioner while leaving the panel
and air filter removed.
Part code
43179152
Antibacterial glass
Air intake
Knob
Strap to
prevent falling
Air filter
Air intake
Knob
27-EN
28-EN
+00EH99943901_00Ta.book Page 14 Thursday, May 23, 2013 7:17 PM
