English Español OPERATION MANUAL Français DAIKIN ROOM AIR CONDITIONER MODELS FDXS09LVJU FDXS12LVJU CDXS15LVJU CDXS18LVJU CDXS24LVJU 00_CV_3P297290-3C.
Feature For your comfort and energy saving ECONO This function enables efficient operation by limiting the maximum power consumption. It is useful when using the air conditioner and other electrical devices simultaneously. Page 16 1 01_EN_3P297290-3C.
English Contents Read before Operation Safety Considerations ......................................... 3 Names of Parts .................................................... 5 Preparation before Operation .............................. 9 Operation AUTO · DRY · COOL · HEAT · FAN Operation ................................................ 11 Adjusting the Airflow Rate ....................... 13 POWERFUL Operation ........................... 14 OUTDOOR UNIT QUIET Operation ....... 15 ECONO Operation ......
Safety Considerations Read these Safety Considerations for Operations carefully before operating an air conditioner or heat pump. Make sure that the unit operates properly during the startup operation. Instruct the user on how to operate and maintain the unit. Inform users that they should store this operation manual with the installation manual for future reference. Meanings of DANGER, WARNING, CAUTION, and NOTE Symbols: DANGER ...........
English • Do not place items under the indoor unit as they may be damaged by condensates that may form if the humidity is above 80% or if the drain outlet gets blocked. • Dismantling of the unit, disposal of the refrigerant, oil, and additional parts, should be done in accordance with the relevant local, state, and national regulations. • Before cleaning, stop the operation of the unit by turning the power off or by pulling the supply cord out from its receptacle.
Names of Parts Indoor Unit Air outlet Air outlet grille (field supply) • Appearance of the air outlet grille and air inlet grille may differ from some models. Air inlet Suction grille (option) • Appearance of the suction grille and air inlet grille may differ from some models. Receiver Room temperature sensor • It senses the air temperature around the unit. TIMER lamp (yellow) OPERATION lamp (green) Page 17,18 Indoor unit ON/OFF switch • Press this switch once to start operation.
English Outdoor Unit • Appearance of the outdoor unit may differ from some models. Air inlet (back and side) Outdoor temperature sensor (back) Drain hose Ground terminal • Inside this cover. Air outlet Model name plate Refrigerant piping and inter-unit wiring 6 01_EN_3P297290-3C.
Names of Parts Remote Controller Signal transmitter Display (LCD) • Displays the current settings. (In this illustration, each section is shown with all its displays on for the purpose of explanation.) Receiver • To use the remote controller, aim the transmitter at the indoor unit. If there is anything to block signals between the unit and the remote controller, such as a curtain, the unit will not operate. • Do not drop the remote controller. Do not get it wet.
English Open the front cover MODE selector button • Selects the operation mode. (AUTO/DRY/COOL/HEAT/ FAN) Page 11 QUIET button ECONO button • OUTDOOR UNIT QUIET operation. Page 15 OFF TIMER button • ECONO operation. Page 16 ON TIMER button Page 18 Page 17 TIMER CANCEL button CLOCK button Page 10 • Cancels the timer setting. Page 17,18 SELECT button • Changes the ON/OFF TIMER settings. Page 17,18 8 01_EN_3P297290-3C.
Preparation before Operation To set the batteries 2 Position + and – correctly! 3 1 1. Slide the front cover to take it off. 2. Set two dry batteries AAA.LR03 (alkaline). 3. Set the front cover as before. To fix the remote controller holder to a wall Remote controller 1. Choose a place from where the signals reach the unit. 2. Fix the holder to a wall, a pillar, etc. with the screws supplied with the holder. Screws Remote controller holder 3.
English Turn the breaker on To set the clock 1. Press . 2. Press 3. Press “ ” is displayed. “ ” and “ to set the current day of the week. . “ 4. Press ” blinks. to set the clock to the present time. • Holding down 5. Press ” blink. or rapidly increases or decreases the time display. . • Point the remote controller at the indoor unit when pressing the buttons. “ ” blinks. 10 01_EN_3P297290-3C.
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 and select an operation mode. • Each pressing of the button advances the mode setting in sequence. AUTO 2. Press DRY COOL HEAT FAN . •“ ” is displayed on the LCD. • The OPERATION lamp lights green. Display To stop operation Press again.
English To change the temperature setting Press or . • The displayed items on the LCD will change whenever either one of the buttons is pressed. COOL operation 64-90°F (18-32°C) HEAT operation 50-86°F (10-30°C) AUTO operation 64-86°F (18-30°C) Press to raise the temperature and press temperature. to lower the DRY or FAN operation The temperature setting cannot be changed.
Adjusting the Airflow Rate To adjust the airflow rate setting Press . • Each pressing of Auto advances the airflow rate setting in sequence. Indoor unit quiet High Middle high Low Middle low Middle • When the airflow is set to “ ”, indoor unit quiet operation will start and the noise from the unit will become quieter. • In indoor unit quiet operation, the airflow rate is set to a weak level. • In DRY operation, the airflow rate setting cannot be changed.
English POWERFUL Operation POWERFUL operation quickly maximizes the cooling (heating) effect in any operation mode. You can get the maximum capacity. To start POWERFUL operation Press during operation. • POWERFUL operation ends in 20 minutes. Then the system automatically operates again with the previous settings which were used before POWERFUL operation. •“ ” is displayed on the LCD. To cancel POWERFUL operation Press •“ again. ” is no longer displayed on the LCD.
OUTDOOR UNIT QUIET Operation OUTDOOR UNIT QUIET operation lowers the noise level of the outdoor unit by changing the frequency and fan speed on the outdoor unit. This function is convenient during night. To start OUTDOOR UNIT QUIET operation Press • “ . ” is displayed on the LCD. To cancel OUTDOOR UNIT QUIET operation Press • “ [Example] again. ” is no longer displayed on the LCD. Using the OUTDOOR UNIT QUIET operation during the night. • The noise level of the outdoor unit will be lower.
English ECONO Operation ECONO operation is a function which enables efficient operation by limiting the maximum power consumption value. This function is useful for cases in which attention should be paid to ensure a circuit breaker will not trip when the product runs alongside other appliances. To start ECONO operation Press •“ during operation. ” is displayed on the LCD. To cancel ECONO operation Press •“ again. ” is no longer displayed on the LCD.
OFF 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. 1. Press . “ “ •“ Page 10 ” is displayed on the LCD. ” blinks. ” is no longer displayed on the LCD. 2. Press until the time setting reaches the point you like.
English ON TIMER Operation To use ON TIMER operation • Check that the clock is correct. If not, set the clock to the present time. 1. Press . “ “ •“ Page 10 ” is displayed on the LCD. ” blinks. ” is no longer displayed on the LCD. 2. Press until the time setting reaches the point you like. • Each pressing of either button increases or decreases the time setting by 10 minutes. Holding down either button changes the setting rapidly. 3. Press again. •“ ” and setting time are displayed on the LCD.
Note for Multi System Multi system has one outdoor unit connected to multiple indoor units. Selecting the operation mode With the priority room setting present but inactive or not present. When more than one indoor unit is operating, priority is given to the first unit that was turned on. In this case, set the units that are turned on later to the same operation mode as the first unit. Otherwise, they will enter the standby state, and the OPERATION lamp will flash: this does not indicate malfunction.
English COOL/HEAT mode lock The COOL/HEAT mode lock requires initial programming during installation. Please consult your authorized dealer for assistance. The COOL/HEAT mode lock sets the unit forcibly to either COOL or HEAT operation. This function is convenient when you wish to set all indoor units connected to the multi system to the same operation mode. NOTE • The COOL/HEAT mode lock cannot be activated together with the priority room setting.
Care and Cleaning CAUTION • Only a qualified service person is allowed to perform maintenance. • Before cleaning, be sure to stop the operation and turn the breaker off. Air filter 1. Removing the air filter. • Rear suction Pull the bottom side of the air filter backwards, over the bends. • Bottom suction Pull the filter over the bends situated at the backside of the unit. 2. Cleaning the air filter. • Remove dust from the air filter using a vacuum cleaner and gently rinse them in cool water.
English Drain pan • Clean the drain pan periodically, or drain piping may be clogged with dust and may result in water leakage. Ask your DAIKIN dealer to clean them. • Prepare a cover locally to prevent any dust in the air around the indoor unit from getting in the drain pan, if there is a great deal of dust present. CAUTION • Do not operate the air conditioner without filters, this to avoid dust accumulation inside the unit. • Do not remove the air filter except when cleaning.
Troubleshooting These incidents are not malfunctions. • The following incidents do not indicate a malfunctioning air conditioner and have explanations. The air conditioner can continue to operate. Indoor unit Possible sounds. Flowing water • Generated because the refrigerant in the air conditioner is flowing. • This is a pumping sound of the water in the air conditioner it is heard when the water is pumped out from the air conditioner in cooling or drying operation.
English • Troubleshooting measures are classified into the following two types on a remedial basis. Take an appropriate measure according to the symptom. Not malfunction • The following conditions do not indicate a problem with the system. Check • Please check again before calling a repair person. The air conditioner does not operate. (OPERATION lamp is off.
Troubleshooting 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 airflow direction set appropriately? Remote controller does not work properly. No remote controller signals are displayed. Remote controller sensitivity is low. Display is low in contrast or blacked out.
English Call the service shop immediately WARNING 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 malfunctioning, electric shocks or fire. • Consult the service shop where you purchased the air conditioner. Do not attempt to repair or modify the air conditioner by yourself. • Incorrect work may result in electric shocks or fire.
Troubleshooting Fault diagnosis by remote controller • The remote controller can receive a corresponding error code from the indoor unit. 1. When is held down for about 5 seconds, “ ” blinks in the temperature display section. 2. Press repeatedly until a continuous beep is produced. • The code indication changes as displayed in the following table, and notifies with a long beep.
English MEMO 28 01_EN_3P297290-3C.
Quick Reference The two-dimensional bar code is a manufacturing code. 3P297290-3C M11B118B (1511) HT 00_CV_3P297290-3C.
