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(2) Install the air cleaning fi lter set (set of 2).
1) Set the air cleaning fi lter into the air cleaning fi lter frame.
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Air cleaning fi lter frame
2) Engage the latch at both ends of the fi lter with the two hooks at the
rear of the air cleaning fi lter frame.
Hook
2 places at the rear
Latch (2 places)
Hook (2 places at the rear)
Latch (2 places)
Take care that the air cleaning fi lter does not project beyond the frame.
3) Engage the six fi xing locations at the top and bottom of the air
cleaning fi lter frame with the hooks of the air fi lter.
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Rear of the fi lter
Fixing location,
hook (6 places)
(3) Install the two air fi lters and close the intake grille.
● When air cleaning fi lters are used, the effect will increased by setting
the fan speed to “HIGH”.
Replacing dirty air cleaning fi lters
Replace fi lters with the following components (purchased separately).
● APPLE-CATECHIN FILTER: UTR-FA13-1
● ION DEODORIZATION FILTER: UTR-FA13-2
(1) Open the intake grille and remove the air fi lters.
(2) Replace them by two new air cleaning fi lters.
1) Remove the old air cleaning fi lters in reverse order of their installa-
tion.
2) Install in the same way as for installation of the air cleaning fi lter
set.
(3) Install the two air fi lters and close the intake grille.
In regard to the air cleaning fi lters
APPLE-CATECHIN FILTER (1 sheet)
● The fi lters are disposable fi lters. (They cannot be washed and reused.)
● For storage of the fi lters, use the fi lters as soon as possible after the
package has been opened.
● (The air cleaning effect decreases when the fi lters are left in the
opened package)
● Generally, the fi lters should be exchanged about every 3 months.
Please buy dedicated APPLE-CATECHIN FILTER (UTR-FA13-1) (Sold
separately) to exchange the used dirty air cleaning fi lters.
ION DEODORIZATION FILTER (1 sheet) - light blue
● The fi lters should be exchanged about every 3 years so as to maintain
the deodorizing effect.
Please buy dedicated ION DEODORIZATION FILTER (UTR-FA13-2)
(Sold separately) when exchanging the fi lters.
Maintenance of ION DEODORIZATION FILTER
In order to maintain the deodorizing effect, please clean the fi lter in the
following way every 3 months.
(1) Remove the fi lter.
(2) Clean with water and dry in the air.
1) Flush the fi lters with high-pressure hot water until the surface of
the fi lters are covered with water. Please fl ush with diluent neutral
detergent. (Never wash by reaming or rubbing, otherwise it will
damage the deodorizing effect.)
2) Rinse with water fl ow.
3) Dry in shade.
(3) Reinstall the fi lter.
Cleaning body
Wash the body with warm water, and then dry with a clean and soft cloth.
When not using for an extended period
Leave the breaker on for at least 12 hours before starting operation when
it is to be used again.
After extended non-use of the unit
If you have shut down the indoor unit for 1 month or more, perform the
FAN operation for half a day to dry the internal parts thoroughly before
you perform normal operation.
Additional inspection
After long period of use, accumulated dust inside the indoor unit may re-
duce the product performance even if you have maintained the unit with
instructed daily care or cleaning procedures written in this manual.
In such a case, a product inspection is recommended.
For more information, consult authorized service personnel.
TROUBLESHOOTING
The following conditions are not breakdowns or op-
eration failures.
Does not operate immediately:
● If the unit is stopped and then immediately started again, the com-
pressor will not operate for about 3 minutes, in order to prevent fuse
blowouts.
● Whenever the electrical breaker is turned off then on again, the protec-
tion circuit will operate for about 3 minutes, preventing unit operation
during that period.
Airfl ow is weak or stops:
● When Heating operation is started, indoor unit’s fan may temporarily
stop, to allow internal parts to warm up.
● During Heating operation, if the room temperature rises above the
thermostat setting, the outdoor unit will stop, and the indoor unit’s fan
will stop. If you wish to warm the room further, set the thermostat for a
higher setting.
● During oil recovery operation, the airfl ow may stop for approximately
10 minutes. (See page 3)
● During Heating operation, the unit will temporarily stop operation (be-
tween 4 and 15 minutes) as the Automatic Defrosting mode operates.
(See page 3)
● The fan may operate at low speed during Dry operation or when the
unit is monitoring the room’s temperature.
● In the monitor AUTO operation, the fan will operate at low speed.
Flashing lamps:
● The OPERATION indicator lamp (green) fl ashes:
An oil recovery operation is being performed. (See page 3)
● The OPERATION indicator lamp (green) fl ashes:
An automatic defrosting operation is being performed. (See page 3)
9377772411-01.indb 59377772411-01.indb 5 8/30/2019 10:19:43 AM8/30/2019 10:19:43 AM
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