Filter
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16
HOW TO MAINTAIN
How to clean the Air Filter
Clean the filter frequently for economical operation.
Caution Before cleaning, stop the operation and turn off the power supply.
Otherwise, it may lead to injury as fan inside rotates at high speed.
Caution The stepladder used for removing and attaching the air filter must be fixed firmly.
Otherwise, it may lead to injury due to overturn or fall.
Caution Be careful so that the dust does not get into your eyes when removing the air filter.
Caution Do not operate the air conditioner while the air filter is removed.
Piled up dust may lead to malfunction.
How to remove
Follow the instruction mentioned below according to the indoor unit type.
Ceiling cassette −4 way− (FDT)
<How to remove the grille>
1. Hold the stoppers on the grille (2 places) to the “OPEN”
direction (arrow mark 1), and then pull down to open the
grille. Remove the hooks of the grille to dismount it.
<How to remove the filter>
1. Push holders (arrow mark 2) and filter frame (arrow mark
2’), and remove the filter from the holders. Then, slide the
filter in the indicated direction (3) to remove it from the
grille.
<How to mount the filter>
1. Check that the filter is on the right side and that its
orientation is correct. Then, hook it to the hooks. (Insert in
the way indicated with arrow mark 4)
2. Ensure to insert the holders of the grille into the filter’s holes
until clicking sounds are heard.
<How to mount the grille>
1. Mount the hooks of the grille to the holes on the panel. (The
hooks on the grille can be mounted in all 4 directions.)
2. Close the grille while pressing the stoppers on the grille (2
places) to the “OPEN” direction. Then, release the stoppers.
Caution Mount the filter to the grille securely.
Otherwise, it may lead to decreased efficiency due
to leakage of flow from the gap.
Caution Mount the grille securely.
Otherwise, it may fall.
Caution When the stopper is deformed or damaged,
repair or replace without delay.
Otherwise, the grille may fall.
• How to handle inlet grille/filter
Removal
Mounting
BACKUP BUTTON
In case of battery exhausted, or loss or any trouble of remote control, the air conditioner can be operated with the BACKUP button on the
indoor unit display part.
ON/OFF
Press backup button and leave it untouched for two seconds.
The operation starts.
Press it again to stop the opearation.
TIMER
CHECK RUN
Backup button
OPERATION MODE ..........AUTO FAN SPEED ............................ HI
TIMER ...............................No setting SET TEMP .............................. 23°C
AUTO SWING ....................STOP (HORIZONTAL)
SETTING
Ceiling cassette −4 way− (FDT)
Backup button
Ceiling suspended (FDE)
In case of FDE/FDT/FDTC
Ceiling cassette −4 way Compact (600×600mm) − (FDTC)
Stopper
Holder
Grille
Holder
Hook
Filter
e
dd
d
d
HolderFilter frame
1 on both sides
Holes for hooks
Direction for closing