DAIKIN FFQ15W2VJU9 (01) PDF Document

If you observe smoke, fire, or any other abnormality in the operation of the DAIKIN FFQ15W2VJU9, immediately turn off the electrical power and contact your dealer.

No. Do not install or operate the DAIKIN FFQ15W2VJU9 in an area where flammable materials are present, as there is a risk of explosion resulting in serious injury or death.

Water entering the internal components of the DAIKIN FFQ15W2VJU9 or its remote controller can cause an electric shock or a fire.

No. Never replace a blown fuse with one of incorrect ampere ratings or different wires. Always replace any blown fuse in your DAIKIN FFQ15W2VJU9 with a fuse of the same specification.

Never remove the fan guard of the DAIKIN FFQ15W2VJU9. A fan rotating at high speed without the fan guard is very dangerous.

No. Never inspect or service the DAIKIN FFQ15W2VJU9 by yourself. Contact a qualified service person to perform this work.

Yes. Turn off all electrical power before doing any maintenance on the DAIKIN FFQ15W2VJU9 to avoid the risk of serious electric shock. Never sprinkle or spill water or liquids on the unit.

Touching a switch on the DAIKIN FFQ15W2VJU9 with wet fingers can cause an electric shock.

Yes. The heat exchanger fins on the DAIKIN FFQ15W2VJU9 are sharp enough to cut. To avoid injury, wear gloves or cover the fins while working around them.

No. Do not put a finger or other objects into the air inlet or air outlet of the DAIKIN FFQ15W2VJU9. The fan is rotating at high speed and will cause injury.

Do not touch the air outlet or horizontal blades while the swing flap of the DAIKIN FFQ15W2VJU9 is in operation because fingers could get caught and injured.

No. Never touch the internal parts of the controller and do not remove the front panel, as some parts inside are dangerous to touch. Contact your dealer for adjustments to the DAIKIN FFQ15W2VJU9.

No. Do not use the DAIKIN FFQ15W2VJU9 for any other purposes other than comfort cooling or heating. Do not use the unit for cooling precision instruments, food, plants, animals, or works of art.

Do not turn off the power immediately after stopping the operation of your DAIKIN FFQ15W2VJU9. Always wait for at least 5 minutes before turning off the power; otherwise, water leakage may occur.

Consult with the installation contractor for cleaning your DAIKIN FFQ15W2VJU9. Incorrect cleaning of the inside could make the plastic parts break and cause water leakage or electric shock.

No. Never use flammable spray such as hair spray, lacquer, or paint near the DAIKIN FFQ15W2VJU9, as it may cause a fire.

Clean the air filter of your DAIKIN FFQ15W2VJU9 when the air filter cleaning time indicator lamp on the decoration panel lights up or when the wired remote controller displays “Time to clean filter”. First, push the 2 catches away from you to open the suction grille. Pull the knobs of the air filter downward to disconnect the hooks and remove it. Clean it with a vacuum cleaner or wash it with water. If the dust does not come off easily, wash it using a soft brush and neutral detergent, then let it dry in the shade. Reattach by hooking one side on to the protrusions on the suction grille and pushing the other side into place. Close the suction grille and reset the filter sign according to the remote controller operation manual.

To clean the suction grille (Type A) on your DAIKIN FFQ15W2VJU9, push the 2 catches away from you and slowly open the grille. Open the grille until it is at 45 degrees to the ceiling and lift it upward. Remove the air filter. Wash the grille with a soft bristle brush and a neutral detergent or water, and dry thoroughly. If very dirty, apply a detergent used for cleaning ventilation fans or ovens, wait about 10 minutes, then rinse with water. Reattach the air filter, reattach the suction grille, and close it.

Before a long period of non-use of the DAIKIN FFQ15W2VJU9, operate the unit in FAN mode for several hours to dry out the inside. After operation stops, turn off the circuit breaker for the unit. Clean the air filter and reattach it. If using a wireless remote controller, take out the batteries to prevent battery leakage.

If you press the ON/OFF button on your DAIKIN FFQ15W2VJU9 soon after operation was stopped, or when the mode was reselected, it may not start immediately. This is to protect the air conditioner, and you should wait for about 3 minutes.

In HEAT operation, the DAIKIN FFQ15W2VJU9 may not blow air immediately because it is warming up; you should wait for about 1 to 4 minutes. Additionally, during defrosting operation, hot air does not flow out of the indoor unit.

If the OPERATION lamp on your DAIKIN FFQ15W2VJU9 is blinking, check if the air filters are clean and if anything is blocking the air inlet or outlet of the indoor and outdoor units. Clean the air filters or remove obstacles, turn the circuit breaker OFF, and then turn it ON again to try operating the unit with the remote controller. If the lamp still blinks, call your dealer.

If mist comes out of the indoor unit of your DAIKIN FFQ15W2VJU9, this happens when the air in the room is cooled into mist by the cold airflow during cooling operation. This is not a malfunction.

The indoor unit of the DAIKIN FFQ15W2VJU9 may give out an odor when smells of the room, furniture, or cigarettes are absorbed into the unit and discharged with the airflow. If this happens, it is recommended to have the indoor unit washed by a technician; consult your dealer.

No. After operation of the DAIKIN FFQ15W2VJU9 is stopped, the outdoor fan continues rotating for another 1 minute for system protection. Additionally, if the outdoor temperature is very high, the fan may start rotating for system protection.

If the cooling or heating effect of your DAIKIN FFQ15W2VJU9 is poor, check if the air filters are clean, ensure nothing is blocking the air inlet or outlet of the indoor and outdoor units, verify the temperature setting is appropriate, make sure windows and doors are closed, and check if the airflow rate and air direction are set appropriately.

After a power failure, the DAIKIN FFQ15W2VJU9 automatically resumes operation in about 3 minutes. You should just wait for a while.

If there is a risk that lightning could strike in the neighborhood, stop the operation of your DAIKIN FFQ15W2VJU9 and turn off the circuit breaker to protect the system.

In HEAT mode, the frost on the DAIKIN FFQ15W2VJU9 outdoor unit melts into water or steam when in defrost operation. In COOL or DRY mode, moisture in the air condenses into water on the cool surface of the outdoor unit piping and drips. These are normal.

In a multi system, if you try to select an operation mode that is different from the first unit that was turned on, the units will enter the standby state and the “CENTRAL CONTROL” icon will light up on the wired remote controller of the DAIKIN FFQ15W2VJU9. This does not indicate a malfunction.

Yes, COOL, DRY, and FAN operation may be used at the same time on the DAIKIN FFQ15W2VJU9 multi system.

On the DAIKIN FFQ15W2VJU9 multi system, AUTO operation automatically selects COOL or HEAT operation based on the indoor temperature. Therefore, it is available when selecting the same operation mode as that of the room with the first unit to be turned on.

When cleaning the DAIKIN FFQ15W2VJU9, always use a sturdy and stable stand and watch your step. Make sure to firmly support the suction grille with your hand while performing maintenance to prevent it from falling. Stop operation and turn off the circuit breaker before cleaning to avoid electric shock and injury. Never use water hotter than 104°F (40°C), volatile liquids like benzene or thinner, polishing compounds, liquid insecticide, rough materials like scrubbing brushes, or sprays like deodorizers.

No, the QUIET OUTDOOR UNIT operation function is unavailable in the FFQ series, which includes the DAIKIN FFQ15W2VJU9.

Yes, NIGHT QUIET mode is available only for COOL operation on the DAIKIN FFQ15W2VJU9. It requires initial programming during installation. It activates when the temperature drops 10.8°F (6°C) or more below the highest temperature recorded that day, and is canceled when the difference becomes less than 7.2°F (4°C). Note that this mode slightly reduces the cooling efficiency.

No, the COOL/HEAT mode lock on the DAIKIN FFQ15W2VJU9 cannot be activated together with the priority room setting.

Refrigerant gas in the DAIKIN FFQ15W2VJU9 may produce toxic gas if it comes into contact with fire, such as from a fan heater, stove, or cooking device. If you suspect refrigerant leakage, consult your dealer. Refrigerant gas is heavier than air and replaces oxygen; a massive leak could lead to oxygen depletion, especially in basements, posing an asphyxiation hazard.

Yes. If equipment utilizing a burner is used in the same room as the DAIKIN FFQ15W2VJU9, there is the danger of oxygen deficiency which could lead to an asphyxiation hazard. Be sure to ventilate the room sufficiently.

Safely dispose of the packing materials for the DAIKIN FFQ15W2VJU9. Metal or wooden parts may cause stabs or other injuries. Tear apart and throw away plastic packaging bags so children will not play with them, as they face the danger of death by suffocation.

Check the unit foundation for the DAIKIN FFQ15W2VJU9 on a continuous basis, especially if it has been in use for a long time. If left in a damaged condition, the unit may fall and cause injury.

Yes. Do not install the DAIKIN FFQ15W2VJU9 in places with a mist of mineral oil (such as cutting oil), coastal areas with salt in the air, hot springs with sulfur, factories with unstable voltage, in cars or boats, kitchens with oil splatter or steam, areas with electromagnetic waves, areas with acid or alkaline mist, or areas where fallen leaves and weeds can accumulate.

No. Do not spray the DAIKIN FFQ15W2VJU9 unit with any deodorizers, as it may cause the unit to malfunction.

If no water is discharged from the drainpipe while the DAIKIN FFQ15W2VJU9 is in cooling mode, the pipe may be clogged with dust or dirt, leading to water leakage. Stop operating the unit and contact your dealer.

Do not operate the DAIKIN FFQ15W2VJU9 when using a room-fumigation type of insecticide. Chemicals could be deposited in the unit and endanger the health of those hypersensitive to chemicals.

Do not wipe the DAIKIN FFQ15W2VJU9 controller operation panel with benzine, thinner, or chemical dust cloths, as the panel may discolor or the coating may peel. For dirt, soak a cloth in water-diluted neutral detergent, squeeze it well, wipe the panel clean, and then wipe it again with a dry cloth.

Do not press the buttons of the DAIKIN FFQ15W2VJU9 remote controller with a hard, pointed object, as it may be damaged. Do not pull or twist the electric wire. Do not expose the controller to direct sunlight, which can discolor the LCD display.

For the DAIKIN FFQ15W2VJU9 in COOL/DRY mode, the outdoor temperature range is 14°F to 115°F (-10°C to 46°C) for MXS, MXL, and MXLH models, or 50°F to 115°F (10°C to 46°C) for RX models. The indoor temperature range is 64°F to 90°F (18°C to 32°C), with a maximum indoor humidity of 80%.

For the DAIKIN FFQ15W2VJU9 in HEAT mode, the outdoor temperature range depends on the model: 5°F to 75°F (-15°C to 24°C) for MXS and RX models, 5°F to 75°F (-15°C to 24°C) for MXL models, and -13°F to 75°F (-25°C to 24°C) for MXLH models. The indoor temperature range is 50°F to 86°F (10°C to 30°C).

Yes. Installing a drain pan heater (sold separately) for your DAIKIN FFQ15W2VJU9 will further extend the heating operation range to -13°F (-25.0°C). Consult your dealer.

Cutting the jumper on the outdoor unit PCB of the DAIKIN FFQ15W2VJU9 will extend the cooling operation range to 14°F (-10.0°C). Installing an air direction adjustment grille (sold separately) will further extend the range to -4°F (-20.0°C). Consult your dealer.

If abnormal functioning happens during the operation of the DAIKIN FFQ15W2VJU9, it may be due to lightning or radio waves. Turn the breaker OFF, turn it ON again, and try operating the unit with the remote controller.

Call your dealer immediately if any of the following symptoms occur with your DAIKIN FFQ15W2VJU9: the power cord is abnormally hot or damaged, an abnormal sound is heard during operation, the circuit breaker frequently cuts off, a switch or button often fails to work properly, there is a burning smell, or water leaks from the indoor unit.

Yes. In certain operating conditions, the inside of the DAIKIN FFQ15W2VJU9 may get foul after several seasons of use, resulting in poor performance. It is recommended to have periodical maintenance by a qualified contractor. Contact the dealer where you bought the unit.

Yes. Never use flammable spray such as hair spray, lacquer, or paint near the DAIKIN FFQ15W2VJU9, as this may cause a fire.

Dismantling of the DAIKIN FFQ15W2VJU9, and the handling of its refrigerant, oil, and other parts, should be done in accordance with relevant local and national regulations.