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English

3.  OPERATION PROCEDURE

Read the operation manual that came with the 

remote controller.

• 

Operating procedure varies with heat pump type and 

cooling only type. Contact your Daikin dealer to confirm 

your system type.

• 

To protect the unit, turn on the main power switch 6 hours 
before operation.

• 

If the main power supply is turned off during operation, 
operation will restart automatically after the power turns 
back on again.

4. 

MAINTENANCE  

(FOR SERVICE PERSONNEL)

ONLY A QUALIFIED SERVICE PERSON IS 

ALLOWED TO PERFORM MAINTENANCE

 WARNING

• 

Do not use flammable gas (such as hair sprays and 

insecticides) near the air conditioner.

• 

Do not wipe the air conditioner with benzine or thinner. 

It may cause cracks, electric shock or fire.

 CAUTION

• 

Do not wash the air conditioner with water.

 

It may cause electric shock or fire due to leakage.

• 

Make sure to turn off the air conditioner when taking 

care of the air conditioner and disconnect the power 

supply breaker.

 

Unless the power supply is disconnected, it may cause 

electric shock or injury.

• 

When working at a high place, give caution to your 

footing.

 

If the scaffold is unstable, it may cause injuries due to 

fall and stumbling.

HOW TO CLEAN THE AIR FILTER

When the remote controller indicates the filter sign, clean the 
air filter.

• 

The indication is made after the system runs for a defined 

period of time.

NOTE 

• 

You may change the time of indicating the filter sign.

 

If the indoor unit is used in a space where the air is 

more contaminated, ask your local dealer for solution.

Dust level

Time until indication is displayed

Normal

2500 hours (equivalent to one year)

More contaminated

1250 hours (equivalent to a half year)

• 

If it becomes difficult to remove dust from the air filter, 
replace the air filter. 

 

(The replacement air filter is an optional accessory.)

Increase the frequency of cleaning if the unit is installed in a 
room where the air is extremely contaminated.

NOTE 

• 

Do not remove the air filter except when cleaning. Unneces

-

sary handling may damage the filter. 

 

(This product is not provided with an air filter as a standard 

accessory.)

• 

Do not attach objects other than the genuine air filter (e.g., 

kitchen paper) to the suction. 
Otherwise, the performance of the air conditioner will be 
degraded, and icing or water leakage may result.

• 

Request a special contractor for the cleaning of the air filter.

• 

Be sure to use the optional filter chamber.

Request your dealer for the installation of the filter chamber.

• 

Be sure to clean the air filter at the beginning of the cooling 

or heating season.  

(A decrease in the airflow volume of the air conditioner will 

result and the performance of the air conditioner will be 

degraded if the air filter is clogged with dust or dirt.)

After completing cleaning and installing the air filter, turn 

off the indicating the filter sign on the remote controller.

• 

The indication can be turned off whether in operation or at 
stop.

• 

For details, refer to the operation manual attached to the 
remote controller. 

HOW TO CLEAN DISCHARGE, OUTSIDE PANELS 

AND REMOTE CONTROLLER

1.  Clean with soft cloth.
2. 

When it is difficult to remove stains, use water or neutral 

detergent.

NOTE 

• 

Do not wash the suction grille with water of 122°F 

(50°C) or higher.

 

It may cause discoloration and deformation.

• 

When drying the suction grille, do not heat it with fire. It 

may cause burning.

• 

Do not use substances such as gasoline, benzine, 

thinner, polishing powder and liquid insecticide sold in 

the market.

 

It may cause discoloration and deformation.

WHAT TO DO WHEN START UP AFTER A LONG 

PERIOD OF NO USE

Confirm the following

• 

Check that the suction and discharge of indoor and outdoor 
units are not blocked.
Remove any obstacle.
Obstacles decrease the fan speed, and cause performance 
decrease and may damage the unit.

Clean the air filter

• 

After cleaning the air filter, make sure to reinstall it.

 

(Refer to “

4. MAINTENANCE

” on page 2.)

• 

For information on how to install, remove, or clean the 

optional air filter, refer to the user’s manual attached to the 
air filter.

• 

Turn off the indicating the filter sign displayed on the remote 

controller after turning on the power. 
The indication can be turned off whether in operation or at 
stop.

• 

For details, refer to the operation manual attached to the 
remote controller. 

Turn on the power circuit breaker at least 6 hours before 

operation.

• 

This is required in order to activate the air conditioner 
smoothly, and to protect air conditioner.

• 

The display on the remote controller will be shown when 
the power circuit breaker is turned on.

01_EN_3P494229-5F.indd   2

2022/09/14   9:27:02

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