Toshiba Super MMU-AP0092H Service Manual page 47

10
MAINTENANCE
CAUTION
Before maintenance, be sure to turn off the
leakage breaker.
Cleaning of air filter
• If is displayed on the remote controller, maintain
the air filter.
• Clogging of the air filter reduce cooling/heating
performance.
Cleaning of panel and air filter
Preparation :
1. Turn off the air conditioner by the remote controller.
2. Open the suction grille.
• Slide the button of the suction grille inward, and
open the suction grille slowly while holding it.
Suction grille
Knob
Cleaning of Air Filters
• If the air filters are not cleaned, it not only reduce the
cooling a performance of air conditioner but causes a
failure in the air conditioner such as water falling in
drops.
Preparation :
1. Stop the operation by remote controller.
2. Dismount the air filter.
Strap to
prevent falling
Air filter
Use a vacuum cleaner to remove dust
from the filters or wash them with water.
• After rinsing the air filters with water, dry them in the
shade.
• Set the air filter into the air conditioner.
Cleaning of panel and air filter
• Wipe down the panel and air filter with a sponge or
towel moistened with a kitchen detergent.
(Do not use any metallic brush for cleaning.)
• Carefully rinse the panel and air filter to wash
out the detergent.
• After rinsing the panel and air filter with water,
dry it in the shade.
1. Close the suction grille.
• Close the suction grille, slide the knob outward,
and fix the suction grille securely.
Suction grille
Knob
FILTER
2. Push RESET button.
• "FILTER " disappears.
CAUTION
• Do not start the air conditioner while leaving the
panel and air filter removed.
• Push the filter reset button.
( indication will be turn off.)
Cleaning of discharge louver
The discharge louver can be removed to clean.
1. Remove the discharge louver.
• Holding the both ends of the discharge louver,
remove the louver sagging the center downward.
2. Cleaning with water
• If the dirt is terrible, clean the louver by tepid
water with neutral detergent or water.
REQUIREMENT
Be sure to 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 details, contact the dealer.
NOTE
ANNUAL MAINTENANCE
• For environmental conservation, it is strongly recommended that the indoor and outdoor units of the air
conditioner in use be cleaned operation of the air conditioner.
When the air conditioner is operated for a long time, periodic maintenance (once a year) is recommended.
Furthermore, regularly check the outdoor unit for rust and scratches, and remove them or apply rustproof
treatment, if necessary.
As a general rule, when an indoor unit is operated for 8 hours or more daily, clean the indoor unit and
outdoor unit at least once every 3 months.
Ask a professional for this cleaning/ maintenance work.
Such maintenance can extend the life of the product though it involves the owner's expense.
Failure to clean the indoor and outdoor units regularly will result in poor performance, freezing, water
leakage, and even compressor failure.
• This product incorporates a drain pump.
If it is used in a place full of dust or oil mist, the pump will be clogged and proper drainage is disabled.
Clean the drain pump periodically. For how to clean the drain pump, contact the dealer.
3. Mount the discharge louver.
• First push in one side of the louver, and then
insert the other side sagging the center
downward.
2 Insert in the louver sagging
down the center downward.
1 Insert
Be careful to the direction of the louver
when mounting.
Mount the louver so that the side with the mark
faces upward and the arrow direction of the
mark directs.