00_CV_3P207037-1.fm Page 1 Tuesday, June 5, 2007 10:38 AM
DAIKIN ROOM AIR CONDITIONER

Operation Manual

MODELS FTXS20G2V1B FTXS35G2V1B FTXS50G2V1B

FTXS25G2V1B FTXS42G2V1B

English Deutsch Franais Nederlands Espaol Italiano Portugues Trke
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CONTENTS

READ BEFORE OPERATION
Safety precautions... 2 Names of parts.. 4 Preparation before Operation.. 7

OPERATION

AUTO DRY COOL HEAT FAN Operation... 10 Adjusting the Airflow Direction. 12 COMFORT AIRFLOW and INTELLIGENT EYE Operation. 14 POWERFUL Operation.. 17 OUTDOOR UNIT QUIET Operation. 18 ECONO Operation.. 19 TIMER Operation... 20 WEEKLY TIMER Operation.. 22 Note for Multi System.. 27

Care and Cleaning.. 29

TROUBLE SHOOTING

Trouble Shooting.. 32

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Safety precautions

Keep this manual where the operator can easily find them. Read this manual attentively before starting up the unit. For safety reason the operator must read the following cautions carefully. This manual classifies precautions into WARNINGS and CAUTIONS. Be sure to follow all precautions below: they are all important for ensuring safety.

WARNING

CAUTION
If you do not follow these instructions exactly, the unit may If you do not follow these instructions exactly, the unit may cause property damage, personal injury or loss of life. cause minor or moderate property damage or personal injury.
Never do. Be sure to earth the air conditioner. Never touch the air conditioner (including the remote controller) with a wet hand.
Be sure to follow the instructions. Never cause the air conditioner (including the remote controller) to get wet.
In order to avoid fire, explosion or injury, do not operate the unit when harmful, among which flammable or corrosive gases, are detected near the unit. It is not good for health to expose your body to the airflow for a long time. Do not put a finger, a rod or other objects into the air outlet or inlet. As the fan is rotating at a high speed, it will cause injury. Do not attempt to repair, relocate, modify or reinstall the air conditioner by yourself. Incorrect work will cause electric shocks, fire etc. For repairs and reinstallation, consult your Daikin dealer for advice and information. The refrigerant used in the air conditioner is safe. Although leaks should not occur, if for some reason any refrigerant happens to leak into the room, make sure it does not come in contact with any flame as of gas heaters, kerosene heaters or gas range. If the air conditioner is not cooling (heating) properly, the refrigerant may be leaking, so call your dealer. When carrying out repairs accompanying adding refrigerant, check the content of the repairs with our service staff. Do not attempt to install the air conditioner by your self. Incorrect work will result in water leakage, electric shocks or fire. For installation, consult the dealer or a qualified technician. In order to avoid electric shock, fire or injury, if you detect any abnormally such as smell of fire, stop the operation and turn off the breaker. And call your dealer for instructions. Depending on the environment, an earth leakage breaker must be installed. Lack of an earth leakage breaker may result in electric shocks or fire. The air conditioner must be earthed. Incomplete earthing may result in electric shocks. Do not connect the earth line to a gas pipe, water pipe, lightning rod, or a telephone earth line.
In order to avoid any quality deterioration, do not use the unit for cooling precision instruments, food, plants, animals or works of art. Never expose little children, plants or animals directly to the airflow. Do not place appliances which produce open fire in places exposed to the airflow from the unit or under the indoor unit. It may cause incomplete combustion or deformation of the unit due to the heat.
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Do not block air inlets nor outlets. Impaired airflow may result in insufficient performance or trouble. Do not stand or sit on the outdoor unit. Do not place any object on the unit to avoid injury, do not remove the fan guard. Do not place anything under the indoor or outdoor unit that must be kept away from moisture. In certain conditions, moisture in the air may condense and drip. After a long use, check the unit stand and fittings for damage. Do not touch the air inlet and alminum fins of outdoor unit. It may cause injury. The appliance is not intended for use by young children or infirm persons without supervision. Young children should be supervised to ensure that they do not play with the appliance. To avoid oxygen deficiency, ventilate the room sufficiently if equipment with burner is used together with the air conditioner. Before cleaning, be sure to stop the operation, turn the breaker off or pull out the supply cord. Do not connect the air conditioner to a power supply different from the one as specified. It may cause trouble or fire. Arrange the drain hose to ensure smooth drainage. Incomplete draining may cause wetting of the building, furniture etc. Do not place objects in direct proximity of the outdoor unit and do not let leaves and other debris accumulate around the unit. Leaves are a hotbed for small animals which can enter the unit. Once in the unit, such animals can cause malfunctions, smoke or fire when making contact with electrical parts. Do not operate the air conditioner with wet hands.

Do not wash the indoor unit with excessive water, only use a slightly wet cloth. Do not place things such as vessels containing water or anything else on top of the unit. Water may penetrate into the unit and degrade electrical insulations, resulting in an electric shock.

Installation site.

To install the air conditioner in the following types of environments, consult the dealer. Places with an oily ambient or where steam or soot occurs. Salty environment such as coastal areas. Places where sulfide gas occurs such as hot springs. Places where snow may block the outdoor unit. The drain from the outdoor unit must be discharged to a place of good drainage.
Consider nuisance to your neighbours from noises.
For installation, choose a place as described below. A place solid enough to bear the weight of the unit which does not amplify the operation noise or vibration. A place from where the air discharged from the outdoor unit or the operation noise will not annoy your neighbours.

Electrical work.

For power supply, be sure to use a separate power circuit dedicated to the air conditioner.

System relocation.

Relocating the air conditioner requires specialized knowledge and skills. Please consult the dealer if relocation is necessary for moving or remodeling.
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Names of parts

Indoor Unit
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Outdoor Unit

20/25/35/42 class 50 class 19 20
1. Air filter 2. Titanium Apatite Photocatalytic Air-Purifying Filter: These filters are attached to the inside of the air filters. 3. Air inlet 4. Front panel 5. Panel tab 6. Room temperature sensor: It senses the air temperature around the unit. 7. INTELLIGENT EYE sensor: (page 14.) 8. Display 9. Air outlet 10. Horizontal blades (flaps): (page 12.) 11. Vertical blades (louvers): The louvers are inside of the air outlet. (page 12.) 12. Indoor Unit ON/OFF switch: (page 10.) Push this switch once to start operation. Push once again to stop it. The operation mode refers to the following table. Model

COOLING ONLY HEAT PUMP

COOL AUTO
Temperature setting 22C 25C

Airflow rate

AUTO AUTO
This switch is useful when the remote controller is missing. 13. Operation lamp (green) 14. TIMER lamp (yellow): (page 20.) 15. INTELLIGENT EYE lamp (green): (page 14.) 16. Signal receiver: It receives signals from the remote controller. When the unit receives a signal, you will hear a short beep. Operation start. beep-beep Settings changed.. beep Operation stop.. beeeeep

A safety device may work to stop the operation. Condensation may occur on the indoor unit and drip.
The operation of the system outside the above humidity or temperature range may cause a
safety device to disable the system.
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AUTO DRY COOL HEAT FAN Operation
The air conditioner operates with the operation mode of your choice. From the next time on, the air conditioner will operate with the same operation mode.

To start operation

1. Press MODE selector button and select a operation mode.
Each pressing of the button advances the mode setting in sequence. : AUTO : DRY : COOL : HEAT : FAN
Cooling only model Heat pump model

2. Press ON/OFF button.

The OPERATION lamp lights up.

To stop operation

3. Press ON/OFF button again.
Then OPERATION lamp goes off.
To change the temperature setting
4. Press TEMPERATURE adjustment button.
DRY or FAN mode AUTO or COOL or HEAT mode Press The temperature setting is not variable. to raise the temperature and press to lower the temperature.
Set to the temperature you like.
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To change the airflow rate setting
5. Press FAN setting button.
DRY mode AUTO or COOL or HEAT or FAN mode Five levels of airflow rate setting from The airflow rate setting is not variable. plus are available. to
Indoor unit quiet operation When the airflow is set to , the noise from the indoor unit will become quieter. Use this when making the noise quieter.
Note on HEAT operation Since this air conditioner heats the room by taking heat from outdoor air to indoors, the heating capacity becomes smaller in lower outdoor temperatures. If the heating effect is insufficient, it is recommended to use another heating appliance in combination with the air conditioner. The heat pump system heats the room by circulating hot air around all parts of the room. After the start of heating operation, it takes some time before the room gets warmer. In heating operation, frost may occur on the outdoor unit and lower the heating capacity. 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 temperature is high, the performance of the air conditioner drops. Note on DRY operation The computer chip works to rid the room of humidity while maintaining the temperature as much as possible. It automatically controls temperature and airflow rate, so manual adjustment of these functions is unavailable. Note on AUTO operation In AUTO operation, the system selects a temperature setting and an appropriate operation mode (COOL or HEAT) based on the room temperature at the start of the operation. The system automatically reselects setting at a regular interval to bring the room temperature to user-setting level. If you do not like AUTO operation, manually change the set temperature. Note on airflow rate setting At smaller airflow rates, the cooling (heating) effect is also smaller.

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TIMER Operation

Timer functions are useful for automatically switching the air conditioner on or off at night or in the morning. You can also use OFF TIMER and ON TIMER in combination.
To use OFF TIMER operation
Check that the clock is correct. If not, set the clock to the present time. (page 8.)
1. Press OFF TIMER button.

is displayed. blinks.

2. Press SELECT button until the time setting reaches the point you like.
Every pressing of either button increases or decreases the time setting by 10 minutes. Holding down either button changes the setting rapidly.
3. Press OFF TIMER button again.
The TIMER lamp lights up.

1, 3 4

To cancel the OFF TIMER Operation

4. Press CANCEL button.

The TIMER lamp goes off.
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 canceled when remote controller batteries are replaced.) When operating the unit via the ON/OFF Timer, the actual length of operation may vary from the time entered by the user. (Maximum approx. 10 minutes) NIGHT SET MODE When the OFF TIMER is set, the air conditioner automatically adjusts the temperature setting (0.5C up in COOL, 2.0C down in HEAT) to prevent excessive cooling (heating) for your pleasant sleep.
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To use ON TIMER operation
1. Press ON TIMER button.
3. Press ON TIMER button again.

2 1, 3

To cancel ON TIMER operation
To combine ON TIMER and OFF TIMER
A sample setting for combining the two timers is shown below.

(Example)

Present time: 11:00 p.m. (The unit operating) OFF TIMER at 0:00 a.m. ON TIMER at 7:00 a.m.

Display

Combined
In the following cases, set the timer again. After a breaker has turned OFF. After a power failure. After replacing batteries in the remote controller.
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WEEKLY TIMER Operation

Up to 4 timer settings can be saved for each day of the week. It is convenient if the WEEKLY TIMER is set according to the familys life style.
Using in these cases of WEEKLY TIMER
An example of WEEKLY TIMER settings is shown below.
Example: The same timer settings are made for the week from Monday through Friday while different timer settings are made for the weekend.
[Monday] Make timer settings up to programs 1-4. (see page 23.)

Program 1

Program 2

Program 3

Program 4

6:00 8:30 17:30

[Tuesday] Use the copy mode to make settings for Tuesday to Friday, because these to settings are the same as those for Monday. (see page 25.) Program 2 Program 3 Program 4 [Friday] Program 1

ON OFF ON OFF

[Saturday] No timer settings [Sunday] Make timer settings up to programs 1-4. (see page 23.)

8:00 10:00

19:00 21:00
Up to 4 reservations per day and 28 reservations per week can be set in the WEEKLY TIMER. 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 turnOFF time of each day can be set. This will turn OFF the air conditioner automatically if the user forgets to turn it OFF.
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To use WEEKLY TIMER operation
Make sure the day of the week and time are set. If not, set the day of the week and time. (page 8.)

Program 2 Program 3

OFF ON

[Monday]

8:30 17:30

1. Press

button.
The day of the week and the reservation number will be displayed. 1 to 4 settings can be made per day.
2. Press the SELECT button to select the desired day of the week and reservation number.
Pressing the SELECT button changes the reservation number and the day of the week.

3. Press NEXT button.

The day of the week will be set. and blink.

1 3, 5, 7 2, 4, 6

4. Press SELECT button to select the desired mode.

and

ON ON TIMER

OFF OFF TIMER

will flash.

Blank no setting

Go to STEP 9 if no setting is selected.

5. Press NEXT button.

The weekly mode will be set. and 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. Press BACK button to return to the mode setting. Go to STEP 9 if OFF is selected at STEP 4.

7. Press NEXT button.

The time will be set. and the temperature blink.
Respective Setting Screens

Day and number settings

ON/OFF settings

Time settings

Temperature settings
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8. Press SELECT button to select the desired temperature.
The temperature can be set between 10C and 32C. Cooling: The unit operates at 18C even if it is set at 10 to 17C. Heating: The unit operates at 30C even if it is set at 31 to 32C. To return to the time setting, press BACK button. The set temperature is only displayed when the mode setting is on.

9. Press NEXT button.

The temperature will be set and go to the next reservation setting. To continue further settings, repeat the procedure from STEP 2.
10.Press button to complete the setting.
Point the remote controller toward the air conditioner and press the buttons to operate. The air conditioner will beep and the operation lamp will flash.
WEEKLY TIMER Do not forget to set the time on the remote control first. The day of the week, ON/OFF time can be set with WEEKLY TIMER. For ON-TIMER, settings other than the above are based on the remote controller settings just before the operation. Both WEEKLY TIMER and ON/OFF timer cannot be used at the same time. The ON/OFF timer has priority if it is set while WEEKLY TIMER is still active. WEEKLY TIMER is activated after the reserved ON/OFF timer is completed. The WEEKLY button activates or deactivates the reservation. To set WEEKLY TIMER, press button and make a reservation according to the procedures. Only the time and set temperature set with the weekly timer are sent with the button. Set the weekly timer only after setting the operation mode, the fan strength, and the fan direction ahead of time. Up to 4 settings per day and up to 28 settings per week can be reserved with WEEKLY TIMER. If a reservation deactivated with WEEKLY button is activated once again, the last reservation mode will be used. Shutting the breaker off, power failure, and other similar events will render operation of the indoor units internal clock inaccurate. Reset the clock. (page 8.) The BACK button can be used only for the mode, time and temperature settings. It cannot be used to go back to the reservation number.
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Using copy mode

A reservation made once can be easily copied and the same settings used for another day of the week.
COPY Program 1 Program 2 Program 3 Program 4 OFF ON OFF [Tuseday] ON to 25C 27C [Friday] 6:00 8:30 17:30 22:00
1. Press button. 2. Press SELECT button to confirm the day of the week to be copied. 3. Press COPY button.
This activates copy mode. Copy whole reservation of the selected day of the week.

4. Press SELECT button to select the destination day of the week. 5. Press COPY button.
The reservation will be copied to the selected day of the week. The whole reservation of the selected day of the week will be copied. To continue copying the settings to other days of the week, repeat STEP 4 and STEP 5.

6. Press

Setting Screens

Exit copy mode.

Confirmation screen

Copy screen

Paste screen

Normal screen

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.
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Confirming a reservation

The reservation can be confirmed.
The day of the week and the reservation number of the current day will be displayed.
2. Press SELECT button to select the day of the week and the reservation number to be confirmed.
Pressing the SELECT button displays the reservation details.

3. Press

Reservation confirmation complete.
Canceling all reservations
4. Hold the WEEKLY button for 5 seconds.

1, 3 4, 6, 7

Be sure to direct the remote control toward the main unit and check for a receiving tone. This operation is not effective while WEEKLY TIMER is being set. All reservations will be canceled.
Canceling individual reservations
This function can be used for canceling reservations for each day of the week. It can be used while confirming or setting reservations.
5. Select the day of the week to be canceled with the SELECT button. 6. Hold the WEEKLY button for 5 seconds.
The selected reservation will be canceled.
To cancel WEEKLY TIMER operation
7. Press WEEKLY button to deactivate the WEEKLY operation.
The will disappear from the display. The TIMER lamp goes off. To reactivate the WEEKLY TIMER operation, press the WEEKLY button again.
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Note for Multi System

3. Clean the front panel.
Wipe it with a soft cloth soaked in water. Only neutral detergent may be used. In case of washing the panel with water, dry it with cloth, dry it 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.)
Fit the key into the slot.
Dont 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, use a robust and stable stool and watch your steps carefully. When removing or attaching the front panel, support the panel securely with hand to prevent it from falling. For cleaning, do not use hot water above 40C, benzine, gasoline, thinner, nor other volatile oils, polishing compound, scrubbing brushes, nor other hand stuff. After cleaning, make sure that the front panel is securely fixed.
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Filters

1. Open the front panel. (page 29.) 2. Pull out the air filters.
Push a little upwards the tab at the center of each air filter, then pull it down.
3. Take off the Titanium Apatite Photocatalytic Air-Purifying Filter.
Hold the recessed parts of the frame and unhook the four claws.
Titanium Apatite Photocatalytic Air-Purifying Filter
4. Clean or replace each filter.

See figure.

Filter frame

Air filter

5. Set the air filter and Titanium Apatite Photocatalytic Air-Purifying Filter as they were and close the front panel.
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.)

Air Filter

1. Wash the air filters with water or clean them with vacuum cleaner.
If the dust does not come off easily, wash them with neutral detergent thinned with lukewarm water, then dry them up in the shade. It is recommended to clean the air filters every 2 weeks.

Titanium Apatite Photocatalytic Air-Purifying Filter
The Titanium Apatite Photocatalytic Air-Purifying Filter can be renewed by washing it with water once every 6 months. We recommend replacing it once every 3 years.

[ Maintenance ]

1. Vacuum dusts, and soak in warm water or water for about 10 to 15 minutes if dirt is heavy. 2. Do not remove filter from frame when washing with water. 3. After washing, shake off remaining water and dry in the shade. 4. Since the material is made out of polyester, do not wring out the filter when removing water from it. 1. Remove the tabs on the filter frame and replace with a new filter.
Dispose of the old filter as non-flammable waste.

[ Replacement ]

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Operation with dirty filters: (1) cannot deodorize the air. (2) cannot clean the air. (3) results in poor heating or cooling. (4) may cause odour. To order Titanium Apatite Photocatalytic Air-Purifying Filter contact to the service shop there you bought the air conditioner. Dispose of the old filter as non-flammable waste. Item Titanium Apatite Photocatalytic Air-Purifying Filter (without frame) 1 set Part No. KAF970A46
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 leaking from the indoor unit. Stop operation and consult the service shop if this is the case.
Before a long idle period
1. Operate the FAN only for several hours on a fine day to dry out the inside.
Press MODE button and select FAN operation. Press ON/OFF button and start operation.
2. After operation stops, turn off the breaker for the room air conditioner. 3. Clean the air filters and set them again. 4. Take out batteries from the remote controller.

When a multi outdoor unit is connected, make sure the heating operation is not used at the other room befure you use the fan operation. (page 27.)
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Trouble Shooting

These cases are not troubles.
The following cases are not air conditioner troubles but have some reasons. You may just continue using it.

Explanation

Operation does not start soon. This is to protect the air conditioner. You should wait for about 3 minutes. When ON/OFF button was pressed soon after operation was stopped. When the mode was reselected. Hot air does not flow out soon after the start of heating operation. The air conditioner is warming up. You should wait for 1 to 4 minutes. (The system is designed to start discharging air only after it has reached a certain temperature.)
The heating operation stops suddenly The system is taking away the frost on the outdoor unit. You should wait for about 4 to 12 minutes. and a flowing sound is heard. The outdoor unit emits water or steam. In 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. 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 room is cooled by the heat exchanger and becomes mist during defrost operation.
Mist comes out of the indoor unit.
The indoor unit gives out odour. This happens when smells of the room, furniture, or cigarettes are absorbed into the unit and discharged with the airflow. (If this happens, we recommend you to have the indoor unit washed by a technician. Consult the service shop where you bought the air conditioner.) The outdoor fan rotates while the air conditioner is not in operation. After operation is stopped: The outdoor fan continues rotating for another 60 seconds for system protection. While the air conditioner is not in operation: When the outdoor temperature is very high, the outdoor fan starts rotating for system protection. For system protection, the air conditioner may stop operating on a sudden large voltage fluctuation. It automatically resumes operation in about 3 minutes.
The operation stopped suddenly. (OPERATION lamp is on.)
No remote controller signals are The batteries are dying and the remote controller is malfunctioning. Replace all the batteries with new size AAA alkaline displayed. The remote controller sensitivity is low. batteries. For details, refer to To set the batteries of this manual. (page 7.) The display is low in contrast or * If the reset button is provided, press the reset button after the blacked out. batteries are replaced. The display runs out of control. The ON/OFF TIMER does not operate according to the settings. Check if the ON/OFF TIMER and the WEEKLY TIMER are set to the same time. Change or disable the settings in the WEEKLY TIMER. (page 23.)

An abnormal functioning happens during operation. The indoor unit comes to a stop or does not operate when the heat pump model is selected. The remote controller allows selection of heating even though the unit is cooling only model.
Heating cannot be selected, even though the unit is heat pump model.
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Call the service shop immediately.
When an abnormality (such as a burning smell) occurs, stop operation and turn the breaker OFF. Continued operation in an abnormal condition may result in troubles, electric shocks or fire. Consult the service shop where you bought the air conditioner. Do not attempt to repair or modify the air conditioner by yourself. Incorrect work may result in electric shocks or fire. Consult the service shop where you bought the air conditioner. If one of the following symptoms takes place, call the service shop immediately.
n The power cord is abnormally hot or damaged. n An abnormal sound is heard during operation. n The safety breaker, a fuse, or the earth leakage breaker cuts off the operation frequently. n A switch or a button often fails to work properly. n There is a burning smell. n Water leaks from the indoor unit.
Turn the breaker OFF and call the service shop.
After a power failure Lightning The air conditioner automatically resumes operation If lightning may strike the neighbouring area, stop operin about 3 minutes. You should just wait for a while. ation and turn the breaker OFF for system protection.

Disposal requirements

Your air conditioning product is marked with this symbol. This means that electrical and electronic products shall not be mixed with unsorted household waste. Do not try to dismantle the system yourself: the dismantling of the air conditioning system, treatment of the refrigerant, of oil and of other parts must be done by a qualified installer in accordance with relevant local and national legislation. Air conditioners must be treated at a specialized treatment facility for re-use, recycling and recovery. By ensuring this product is disposed of correctly, you will help to prevent potential negative consequences for the environment and human health. Please contact the installer or local authority for more information. Batteries must be removed from the remote controller and disposed of separately in accordance with relevant local and national legislation.
We recommend periodical maintenance.
In 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.

MALFUNCTION DETECTION LED1 LED2 LED3 LED4 LED5 NORMAL DIAGNOSIS CHECK INDOOR UNIT
HIGH PRESSURE PROTECTOR WORKED OR FREEZE-UP IN OPERATING UNIT OR STAND-BY UNIT
OVERLOAD RELAY WORKED OR HIGH DISCHARGE PIPE TEMPERATURE
FAULTY COMPRESSOR START INPUT OVERCURRENT
THERMISTOR OR CT ABNORMALITY
HIGH TEMPERATURE SWITCHBOX HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINK
OUTPUT OVERCURRENT REFRIGERANT SHORTAGE
LOW VOLTAGE TO MAIN CIRCUIT OR MOMENTARY VOLTAGE LOSS REVERSING SOLENOID VALVE SWITCHING FAILURE FAN MOTOR FAULT [NOTE 1] POWER SUPPLY FAULT OR [NOTE 2] NOTE: The LED5 is only available in the 5M Series. GREEN RED NORMALLY FLASHING NORMALLY OFF ON FLASHING OFF IRRELEVANT
GREEN MICROCOMPUTER NORMAL LED-A NORMAL [NOTE 1]

2MXS, 2MKS series

DIAGNOSIS CHECK INDOOR UNIT
POWER SUPPLY FAULT OR [NOTE 2] NORMALLY FLASHING ON FLASHING OFF
1. Turn the power off and then on again. If the LED display recurs,the outdoor unit PCB is faulty. 2. Diagnosis marked Do not apply to some cases. For details, refer to the service guide.
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Two-dimensional bar code is a code for manufacturing.

3P207037-1

M07B014

(0711) HT