14
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 stopper on the inlet grille (2 places) to the “OPEN”
direction (arrow mark A), then pull down to open the grille.
Remove the hook of the grille to dismount.
<How to remove the filter>
2. Push the hook of the grille in the indicated direction (arrow
mark B) to release. Then slide the filter in the indicated
direction (C) to remove.
<How to mount the filter>
1. Ensure the right side and orientation of the filter and
insert it to the arrow direction (D) so that the notch
on the filter is hooked on the hook on the grille (2
places).
2. Align the hole on the filter with the hook on the grille (E 2
places) and push it securely until the filter is caught by the
hook.
<How to mount the grille>
1. Hang the hook on the hole on the panel. (The hook on the
grille can be hanged any hole on the panel.)
2. After the grille is hanged, close the grille while the stopper
on the grille (2 places) is kept pressed to “OPEN” direction.
When the grille comes to the original position, release the
stopper to hold the grille.
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.
The direction of filter removal
M @HE@92?5=6:?=6E8C:==67:=E6C
Removal
Mounting
Direction for closing
Holes for hook
Hook
Hook
Stopper
Hook
BACKUP BUTTON
In time of battery exhausted, lost, trouble of remote control, the air conditioner can be operated with the BACKUP button on the indoor unit
display part.
%$%
�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)
Ceiling cassette −4 way Compact (600 x 600 mm)− (FDTC)
?42D6@7**
� Ceiling cassette −2 way− (FDTW)
1. Push one side of the inlet panel (pin A side) upward.
2. Disengage the panel from pin A.
3. Disengage the panel from the pin B and remove the panel.
4. Press the knobs of the air filter inward, remove the hook
area from the air conditioner unit, and remove the air filter.
Disengage the pin B side.
Push the pin A side upward.
Disengage the pin A side.
Pin B Pin A
Panel
Knobs
Knobs
Hook
Air conditioner unit
Air filter
Hook
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