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COMFORT AIRFLOW and 
INTELLIGENT EYE Operation

The INTELLIGENT EYE incorporates infrared sensors to detect the presence of people in the 
conditioned room.
When these sensors detect people, the louvers will adjust the airflow direction to an area 
where people are not present. When there are no people in the sensing areas, the air 
conditioner will go into energy-saving mode.

„

To start operation

1.

Press “COMFORT/SENSOR” button and select an 
operation mode.

• Choose the desired operation mode out of the following sequence.

• Each time the “COMFORT/SENSOR” button is pressed a different setting option is displayed 

on the LCD. 

• When the flaps (horizontal blades) are swinging, the operating as above will stop the 

movement of them.

„

To cancel operation

2.

Press “COMFORT/SENSOR” button.

• Press the button to select “Blank”. 

NOTE 

Display

Operation mode

Explanation

COMFORT AIRFLOW

The flaps will adjust the airflow direction upward while 
cooling, and adjust the airflow direction downward while 
heating. (page 16.)

INTELLIGENT EYE

The sensors will detect the movement of people in the 
sensing areas and the louvers will adjust the airflow 
direction to an area where people are not present. When 
there are no people in the sensing areas, the air 
conditioner will go into energy-saving mode. (page 16.)

COMFORT AIRFLOW and 
INTELLIGENT EYE

The air conditioner will be in COMFORT AIRFLOW 
operation combined with INTELLIGENT EYE operation. 
(page 16.)

Blank

No function

„

Notes on “COMFORT AIRFLOW operation”

• The flap position will change, preventing air from blowing directly on the occupants of 

the room.

• POWERFUL operation and COMFORT AIRFLOW operation cannot be used at the 

same time. 

• The volume of air will be set to AUTO. If the upward and downward airflow direction is 

selected, the COMFORT AIRFLOW function will be canceled.

• Priority is given to the function of whichever button is pressed last. 

• The COMFORT AIRFLOW function makes the following airflow direction adjustments.

The flaps will move upward while cooling so that the airflow will be directed upward.
The flaps will move downward while heating so that the airflow will be directed 
downward.

• COMFORT AIRFLOW operation cannot be selected while FAN operation.

1, 2

Cooling operation

Heating operation

01_EN_3P232703-1.fm  Page 15  Thursday, December 18, 2008  5:51 PM

Summary of Contents for CTXU25G2V1B

Page 1: ...IR CONDITIONER MODELS CTXU25G2V1B CTXU35G2V1B CTXU42G2V1B CTXU50G2V1B English Deutsch Français Nederlands Español Italiano ΕλληνικÜ Portugues Рóссêий Türkçe 00_CV_3P232703 1 fm Page 1 Tuesday August 12 2008 5 21 PM ...

Page 2: ......

Page 3: ... Direction 10 HUMID HEAT Operation 12 FRESH AIR SUPPLY VENTILATION 14 COMFORT AIRFLOW and INTELLIGENT EYE Operation 15 POWERFUL and OUTDOOR UNIT QUIET Operation 17 ECONO Operation 18 TIMER Operation 19 WEEKLY TIMER Operation 21 Note for Multi System 26 CARE Care and Cleaning 27 TROUBLE SHOOTING Trouble Shooting 31 01_EN_3P232703 1 fm Page 1 Thursday December 18 2008 5 51 PM ...

Page 4: ...g giving off a burning odour etc turn off power to the unit and contact your local dealer Continued operation under such circumstances may result in a failure electric shocks or fire hazards Be sure to install an earth leakage breaker Failure to install an earth leakage breaker may result in electric shocks or fire Be sure to earth the unit Do not earth the unit to a utility pipe lightning conduct...

Page 5: ... to be used by persons with reduced physical sensory or mental capabilities or with lack of operation knowledge unless they have been given supervision or instruction concerning the appliance use by person responsible for their safety Keep out of children s reach to ensure that they do not play with the appliance To avoid electric shocks do not operate with wet hands Do not wash the air conditione...

Page 6: ...ion Push once again to stop it The operation mode refers to the following table This switch is useful when the remote controller is missing 14 Multi monitor lamp page 8 The lamp color changes according to the operation AUTO Blue Red DRY Green COOL Blue HEAT Red FAN White 15 TIMER lamp yellow page 19 16 INTELLIGENT EYE lamp green page 15 17 Signal receiver It receives signals from the remote contro...

Page 7: ...ment buttons It changes the temperature setting 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN page 8 8 POWERFUL QUIET button POWERFUL and OUTDOOR UNIT QUIET operation page 17 9 ECONO button ECONO operation page 18 10 SWING button Flaps horizontal blades page 10 11 SWING button Louvers vertical blades page 10 12 COMFORT SENSOR button COMFORT AIRFLOW and INTELLIGENT EYE...

Page 8: ...n replacing the batteries use batteries of the same type and replace the two old batteries together When the system is not used for a long time take the batteries out The batteries will last for approximately one year If the remote controller display begins to fade and the degradation of reception performance occurs within a year however replace both two batteries with new size AAA LR03 alkaline T...

Page 9: ...ase note Even while the air conditioner is not operating it consumes approx 15 watts of electricity to activate electronic device When the compressor is preheating the unit consumes approx 50 watts of electricity If you are not going to use the air conditioner for a long period for example in spring or autumn turn the breaker OFF Use the air conditioner in the following conditions The operation of...

Page 10: ...hange the temperature setting 4 Press TEMPERATURE adjustment button The displayed items on the LCD will change whenever either one of the buttons is pressed Operation mode Multi monitor lamp AUTO Blue Red DRY Green COOL Blue HEAT Red FAN White HUMID HEAT Orange Yellow page 12 FRESH AIR SUPPLY VENTILATION Lit white for 2 seconds After that return to the color of selected operation mode or change to...

Page 11: ...ty In that case the system switches into defrosting operation to take away the frost During defrosting operation hot air does not flow out of indoor unit A pinging sound may be heard during defrosting operation which however does not mean that the air conditioner has failures Note on COOL operation This air conditioner cools the room by blowing the hot air in the room outside so if the outside tem...

Page 12: ...press SWING button once more The flaps will stop moving disappears from the LCD To adjust the louvers vertical blades 3 Press SWING button is displayed on the LCD 4 When the louvers have reached the desired position press the SWING button once more The louvers will stop moving disappears from the LCD Adjusting the upper and lower airflow direction Adjusting the right and left airflow direction 1 2...

Page 13: ...nsional 3 D airflow Using 3 dimensional airflow circulates cold air which tends to collected at the bottom of the room and hot air which tends to collect near the ceiling throughout the room preventing areas of cold and hot developing ATTENTION Always use a remote controller to adjust the angles of the flaps and louvers If you attempt to move it forcibly with hand when it is swinging the mechanism...

Page 14: ...m will go into humidification stand by mode regardless of the selection of the HUMID HEAT operation function for the other room When the indoor unit in HUMID HEAT operation attains the target humidity the indoor unit in humidification stand by mode in the other room will start HUMID HEAT operation The ability of the unit to humidify drops when the outdoor temperature and humidity are low or when t...

Page 15: ... a standby state Yellow When the humidity of Room A satisfies the preset condition HUMID HEAT operation in Room A will be switched to the unit in Room B automatically The result is shown in the illustration on the right The humidification of Room A is finished and the unit in a standby state in Room B will go into HUMID HEAT operation When the humidity of Room A drops the unit in Room A will be sw...

Page 16: ...e outdoor temperature is higher than room temperature the airflow rate of FRESH AIR SUPPLY VENTILATION will be low 1 2 Select First selected priority Initial state of operation Room B Room A Room B Room A Room B Room A The unit not in operation in Room B will go into ventilation while the unit in Room A is in COOL operation besides ventilation The result is shown in the illustration on the right T...

Page 17: ...IGENT EYE The sensors will detect the movement of people in the sensing areas and the louvers will adjust the airflow direction to an area where people are not present When there are no people in the sensing areas the air conditioner will go into energy saving mode page 16 COMFORT AIRFLOW and INTELLIGENT EYE The air conditioner will be in COMFORT AIRFLOW operation combined with INTELLIGENT EYE ope...

Page 18: ...irflow towards the people Sensor detection sensitivity changes according to indoor unit location the speed of passersby temperature range etc The sensor also mistakenly detects pets sunlight fluttering curtains and light reflected off of mirrors as passersby NIGHT SET MODE page 19 will not go on during use of INTELLIGENT EYE operation To combine COMFORT AIRFLOW operation and INTELLIGENT EYE operat...

Page 19: ...e Note on POWERFUL operation POWERFUL operation cannot be used together with ECONO QUIET or COMFORT operation Priority is given to the function of whichever button is pressed last POWERFUL operation can only be set when the unit is running Pressing the operation stop button causes the settings to be canceled and the disappears from the LCD POWERFUL operation will not increase the capacity of the a...

Page 20: ...unit is running Pressing the OFF button causes the setting to be canceled and the disappears from the LCD ECONO operation is a function which enables efficient operation by limiting the power consumption of the outdoor unit operating frequency ECONO operation functions in AUTO COOL DRY and HEAT modes In case ECONO operation is selected in QUIET operation QUIET operation will be canceled POWERFUL a...

Page 21: ...idly 3 Press OFF TIMER button again and setting time are displayed on the LCD The TIMER lamp lights up To cancel the OFF TIMER operation 4 Press CANCEL button and setting time disappears from LCD and day of the week are displayed on the LCD The TIMER lamp goes off NOTE When TIMER is set the present time is not displayed Once you set ON OFF TIMER the time setting is kept in the memory The memory is...

Page 22: ...gain and setting time are displayed on the LCD The TIMER lamp lights up To cancel ON TIMER operation 4 Press CANCEL button and setting time disappears from LCD and day of the week are displayed on the LCD The TIMER lamp goes off To combine ON TIMER and OFF TIMER A sample setting for combining the two timers is shown below ATTENTION In the following cases set the timer again After a breaker has tur...

Page 23: ...The effective use of the copy mode ensures ease of making reservations The use of ON ON ON ON settings for example makes it possible to schedule operating mode and set temperature changes Furthermore by using OFF OFF OFF OFF settings only the turn OFF time of each day can be set This will turn OFF the air conditioner automatically if the user forgets to turn it OFF Make timer settings up to progra...

Page 24: ...ECT button changes or setting in sequence In case the reservation has already been set selecting blank deletes the reservation Go to STEP 9 if blank is selected 5 Press NEXT button The ON OFF TIMER mode will be set and the time blink 6 Press SELECT button to select the desired time The time can be set between 0 00 and 23 50 in 10 minute intervals To return to the ON OFF TIMER mode setting press BA...

Page 25: ... of the week Refer to page 24 NOTE Notes on WEEKLY TIMER operation Do not forget to set the time on the remote controller first The day of the week ON OFF TIMER mode time and set temperature only for ON TIMER mode can be set with WEEKLY TIMER Other settings for ON TIMER are based on the settings just before the operation Both WEEKLY TIMER and ON OFF TIMER operation cannot be used at the same time ...

Page 26: ...e copying the settings to other days of the week repeat STEP 4 and STEP 5 6 Press PROGRAM button to complete the setting Exit copy mode is displayed on the LCD and WEEKLY TIMER operation is activated NOTE Copy mode COPY MODE The entire reservation of the source day of the week is copied in the copy mode Detailed settings can be made after the copy is completed 2 4 1 6 3 5 6 00 8 30 17 30 22 00 25 ...

Page 27: ...ated with WEEKLY button is activated once again the last reservation mode will be used To delete reservations Refer to page 22 When selecting desired mode at STEP 4 in setting mode select blank The reservation will be deleted This function can be used for deleting reservations for each day of the week It can be used while confirming or setting reservations 5 Press SELECT button to select the day o...

Page 28: ... given to the indoor unit in the first selected room and the indoor unit will go into humidifying operation while the indoor unit in the second selected room will go into a humidifying operation standby state The multi monitor indicator will be lit yellow in approx 20 seconds 2 When the humidity of the first selected room reaches a target level the indoor unit will go into a humidifying operation ...

Page 29: ...up in the shade after washing 4 Attach the front panel Set the 2 keys of the front panel into the slots and push them in all the way Close the front panel slowly and push the panel at the 3 points 1 on each side and 1 in the middle CAUTION Units Front panel Don t touch the metal parts of the indoor unit If you touch those parts this may cause an injury When removing or attaching the front panel us...

Page 30: ...Set the air filter and titanium apatite photocatalytic air purifying filter as they were and close the front panel The air filter has a difference between right and left side Be sure to restore the filters same as before Insert claws of the filters into slots of the front panel Close the front panel slowly and push the panel at the 3 points 1 on each side and 1 in the middle Filters Filter frame A...

Page 31: ... old filter as non flammable waste Air supply filter Clean once in about 3 months and replace once in about 1 year Cannot be washed with water 1 Open the front panel to pull out the air filter and titanium apatite photocatalytic air purifying filter page 28 2 Pull out the air supply filter Cleaning 1 Remove dust with a vacuum cleaner The component of the filter is weak in water Do not rinse the fi...

Page 32: ...you bought the air conditioner Dispose of the old filter as non flammable waste Check that the base stand and other fittings of the outdoor unit are not decayed or corroded Check that nothing blocks the air inlets and the outlets of the indoor unit and the outdoor unit Check that the drain comes smoothly out of the drain hose during COOL or DRY operation If no drain water is seen water may be leak...

Page 33: ...n HEAT mode The frost on the outdoor unit melts into water or steam when the air conditioner is in defrost operation In COOL or DRY mode Moisture in the air condenses into water on the cool surface of outdoor unit piping and drips Mist comes out of the indoor unit This happens when the air in the room is cooled into mist by the cold airflow during cooling operation This is because the air in the r...

Page 34: ...n Isn t it a power failure Are batteries set in the remote controller Is the timer setting correct Cooling Heating effect is poor Are the air filters clean Is there anything to block the air inlet or the outlet of the indoor and the outdoor units Is the temperature setting appropriate Are the windows and doors closed Are the airflow rate and the air direction set appropriately Operation stops sudd...

Page 35: ...n certain operating conditions the inside of the air conditioner may get foul after several seasons of use resulting in poor performance It is recommended to have periodical maintenance by a specialist aside from regular cleaning by the user For specialist maintenance contact the service shop where you bought the air conditioner The maintenance cost must be born by the user This product contains f...

Page 36: ...J3 FAULTY DISCHARGE PIPE TEMPERATURE SENSOR CC HUMIDITY SENSOR ERROR J6 FAULTY HEAT EXCHANGER TEMPERATURE SENSOR C4 FAULTY HEAT EXCHANGER TEMPERATURE SENSOR L3 ELECTRICAL PARTS HEAT FAULT C9 FAULTY SUCTION AIR TEMPERATURE SENSOR L4 HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINK UA HOSE LENGTH NOT SET L5 OUTPUT OVERCURRENT OUTDOOR UNIT EA COOLING HEATING SWITCHING ERROR P4 FAULTY INVERTER CIRCUIT HE...

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