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FEATURES AND FUNCTIONS

NAME OF PARTS

1

  Air Filter (In Air Intake Grille)

2

 Air

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 ow Direction Flaps

3

  Air Intake Grille

4

 Control Panel

5

  Remote Control Signal Receiver

6

 MANUAL AUTO Button

   When the MANUAL AUTO button is pressed in for more than 

10 seconds, the forced cooling operation will start.

   The forced cooling operation is used at the time of installation. 

Only for authorized service personnel’s use.

   When the forced cooling operation starts by any chance, press 

the START/STOP button to stop the operation.

   Please press the button at Filter Reset.

7

  OPERATION Indicator Lamp (Green)

8

  TIMER Indicator Lamp (Orange)

   TIMER Indicator lamp lights when the timer is set from wireless remote control.

9

  ECONOMY Indicator Lamp (Green) 

   ECONOMY indicator lamp lights when ECONOMY OPERATION 

and 10°C HEAT OPERATION is operating.

SLEEP TIMER

When the SLEEP timer button is pressed during Heating mode, the 

air conditioner’s thermostat setting is gradually lowered during the pe-

riod of operation; during Cooling or Dry mode, the thermostat setting 

is gradually raised during the period of operation. When the set time 

is reached, the unit automatically turns off.

■  

Clean function

REMOVABLE INTAKE GRILLE

The indoor unit’s intake grille can be removed for easy cleaning 
and maintenance.

MILDEW-RESISTANT FILTER

The AIR FILTER has been treated to resist mildew growth,thus 
allowing cleaner use and easier care.

■  

Remote controller

WIRELESS REMOTE CONTROLLER

The wireless remote controller allows convenient control of air 
conditioner operation.

WIRED REMOTE CONTROLLER (OPTION)

The optional wired remote controller can be used.
When you use remote controller, there are following different 
points as compared with using wireless remote controller.
[The additional functions for wired ones]
• Weekly timer
• Temperature set back timer
And you can use both wired and wireless remote controller simultaneously.
(But function is limited)
When the restricted functions on the remote controller are used, 
beeping sound will be heard, OPERATION, TIMER and the 3rd 
lamp of the indoor unit will 

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 ash.

[The restricted functions for wireless ones]
• SLEEP TIMER
• TIMER
• 10°C HEAT OPERATION

■  

Energy saving and Comfortable function

INVERTER

At the start of operation, large amount of power is used to bring the room 

quickly to the desired temperature. Afterwards, the unit automatically 

switches to a low power setting for economic and comfortable operation.

ECONOMY OPERATION

When ECONOMY operation mode is operated, the room temperature 

will be little higher than the set-temp under cooling mode and lower 

than set-temp under heating mode. Therefore, the ECONOMY mode 

is able to save more energy than other normal mode.

SWING OPERATION

The Air

fl

 ow Direction Louvers swings automatically up and down 

so that the air speeds to every nook and corner of your room.

SUPER QUIET OPERATION

When the FAN button is used to select QUIET, the indoor unit 

begins super quiet operation; the indoor unit’s airflow is re-

duced to produce quieter operation.

AUTO CHANGEOVER

The operation mode (cooling, dry, heating) is switched auto-

matically to maintain the set temperature, and the temperature 

is kept constant at all times.

10°C HEAT OPERATION

The room temperature can be maintained at 10°C so as to pre-

vent the room temperature from falling too far.

■  

Convenient function

PROGRAM TIMER

The program timer allows you to integrate OFF timer and ON 

timer operations in a single sequence. The sequence can in-

volve 1 transition from OFF timer to ON timer, or from ON timer 

to OFF timer, within a 24 hour period.

9374379477-03_OM.indb   2

9374379477-03_OM.indb   2

2/25/2013   11:36:26 AM

2/25/2013   11:36:26 AM

Summary of Contents for AO*A12LA

Page 1: ...ATING MANUAL Compact Cassette Type Keep this manual for future reference AIR CONDITIONER P N9374379477 03 English 9374379477 03_OM indb 1 9374379477 03_OM indb 1 2 25 2013 11 36 15 AM 2 25 2013 11 36 15 AM ...

Page 2: ...ners on top of air conditioners Do not expose the air conditioner directly to water Do not operate the air conditioner with wet hands Do not pull power supply cord Turn off power source when not using the unit for extended periods Always turn off the electrical breaker whenever cleaning the air conditioner or changing the air filter Connection valves become hot during Heating handle with care Chec...

Page 3: ...mote controller The additional functions for wired ones Weekly timer Temperature set back timer And you can use both wired and wireless remote controller simultaneously But function is limited When the restricted functions on the remote controller are used beeping sound will be heard OPERATION TIMER and the 3rd lamp of the indoor unit will flash The restricted functions for wireless ones SLEEP TIM...

Page 4: ...n to flash simultaneously To stop the test operation mode press the START STOP button to stop the air conditioner Display panel To facilitate explanation the accompanying illustration has been drawn to show all possible indicators in actual oper ation however the display will only show those indicators appropriate to the current operation F Temperature SET Display G Operating Mode Display H SLEEP ...

Page 5: ...ived by the air conditioner a beeping sound will be heard If no beep is heard press the Remote controller button again Remote controller Holder 1 Mount the Holder Screws 2 Set the Remote con troller Insert Press in 3 To remove the Remote con troller when use at hand Slide up Pull out PREPARATION CAUTION Take care to prevent infants from acciden tally swallowing batteries When not using the Remote ...

Page 6: ... changes in the following order AUTO HIGH MED LOW QUIET About 3 seconds later the entire display will reappear When set to AUTO Heating Fan operates so as to optimally circulate warmed air However the fan will operate at very low speed when the temperature of the air issued from the indoor unit is low Cooling As the room temperature approaches that of the thermostat setting the fan speed becomes s...

Page 7: ...utes after which it will switch to the se lected fan setting This period of time is provided to allow the indoor unit to warm up before beginning full operation When the outdoor temperature is very low frost may form on the outside unit and its performance may be reduced In order to remove such frost the unit will automatically enter the defrost cycle from time to time Dur ing Automatic Defrosting...

Page 8: ...thin a 24 hour period The first timer function to operate will be the 1 set nearest to the current time The order of operation is indicated by the arrow in the Remote Controller s Display OFF ON or OFF ON 1 example of Program timer use might be to have the air conditioner automatically stop OFF timer after you go to sleep then start ON timer automatically in the morning before you arise TIMER OPER...

Page 9: ...automati cally raised 1 C every 1 hour When the thermostat has been raised a total of 2 C the thermostat setting at that time is main tained until the set time has elapsed at which time the air condi tioner automatically turns off SLEEP timer setting Set time 1 hour 1 C 2 C During Heating operation When the SLEEP timer is set the thermostat setting is automatically lowered 1 C every 30 minutes Whe...

Page 10: ...cal Each time the button is pressed the air direction range will change as follows 1 2 3 4 The remote controller s display does not change Instructions relating to heating are applicable only to HEAT COOL MODEL Reverse Cycle Begin air conditioner operation before performing this procedure Air Flow Direction Setting 1 2 3 4 During Cooling Heating Dry mode The vertical airflow direction is set autom...

Page 11: ...e AUTO mode the air conditioner operation will not change to ECONOMY operation even if ECON OMY operation is selected by pressing the ECONOMY operation button 10 C HEAT OPERATION To use 10 C HEAT OPERATION Press the 10 C HEAT button The OPERATION indicator lamp green will go out and the ECONOMY indicator lamp green will light To stop 10 C HEAT OPERATION Press the START STOP button Then the OPERATI...

Page 12: ...sonal injury could result Be careful not to drop the intake grille As the filter cleaning involves high altitude operation please consult the professional technical service personnel CAUTION To avoid excessive wear of the part and components or malfunctioning of the air conditioning the user consumer shall perform preventive maintenance through an accredited technical assistance periodically To kn...

Page 13: ...ode if the air conditioner has not been set for the signal code 1 Press the START STOP button until only the clock is displayed on the remote controller display 2 Press the MODE button for at least five seconds to display the current signal code initially set to 3 Press the buttons to change the signal code between Match the code on the display to the air conditioner signal code 4 Press the MODE b...

Page 14: ...n into the indoor unit Mist or steam are emitted During Cooling or Dry operation a thin mist may be seen emitted from the indoor unit This results from the sudden cooling of room air by the cool air emitted from the indoor unit resulting in condensation and misting During Heating operation the outdoor unit s fan may stop and steam may be seen rising from the unit This is due to the Automatic Defro...

Page 15: ...Close the curtains In the case of Cooling operation are there heating apparatus and computers in side the room or are there too many people in the room Is the unit set for QUIET operation The unit operates differently from the remote controller s setting Are the remote controller s batteries dead Are the remote controller s batteries loaded properly 4 If the problem persists after performing these...

Page 16: ...mp air conditioners heat your entire room by recir culating air throughout the room with the result that some time may be required after first starting the air conditioner until the room is heated When Indoor and Outdoor Temperature are High When both indoor and outdoor temperatures are high dur ing use of the heating mode the outdoor unit s fan may stop at times Should the power supply to the air...

Page 17: ... will be less than when a single indoor unit is used alone Accordingly when you wish to use more than 1 indoor unit for cooling at the same time the use should be concentrated at night and other times when less output is required In the same way when multiple units are used simultaneously for heat ing it is recommended that they be used in conjunction with other auxiliary space heaters as required...

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