Maintenance - Toshiba MMY-MAP0724FT9UT Owner's Manual

11

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
INDOOR UNIT
1
Clean Air Filter*
Clean Drain Pan
2
Clean indoor heat exchanger*
2
Clean fan*
Change Remote Control Batteries
OUTDOOR UNIT
Clean Outdoor heat exchanger from Outside
2
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*
*1: Increase frequency in dusty zones.
*2: Maintenance to be carried out by qualified service personal.
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.
27-EN
EVERY MONTH EVERY 4 MONTHS EVERY YEAR
1
1
EVERY MONTH EVERY 4 MONTHS EVERY YEAR
1
 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.
1
1
Antibacterial glass
1
1
Part code
1
1
Cleaning the air filter
1
If is displayed on the remote control, clean the air
1
filter.
1
1
Open the air intake by sliding the latches.
Let the grille drop while holding it.
Air intake
– 14 –
2
Remove the air filter from grille.
Strap to
prevent falling
Air filter
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.
43179152
Air intake
8
Push button to reset filter timer.
"FILTER " disappears.
CAUTION
Do not start the air conditioner while leaving the panel
and air filter removed.
Knob
Knob
EN
28-EN