Daikin Super Multi NX FLKS25BAVMB User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Inverter
Floor / Ceiling
Suspended Dual Type
2.5/3.5/5.0/6.0 kW Class
Si051060

Service Manual
Removal Procedure
Indoor Unit
zCooling only zHeat Pump
FLKS25BAVMB FLXS25BAVMB
FLKS35BAVMB FLXS35BAVMB
FLKS50BAVMB FLXS50BAVMB
FLXS35GVMA
FLXS50GVMA
FLXS60GVMA

Si051060
Removal Procedure 1
Table of Contents
1. Removal of Air Filters / Front Grille .........................................................2
2. Removal of Front Panel ..........................................................................5
3. Removal of Horizontal Blade...................................................................7
4. Removal of Signal Receiver Unit / Swing Motor .....................................8
5. Removal of Discharge Grille ...................................................................9
6. Removal of Drain Pan ...........................................................................10
7. Removal of Electrical Box / PCBs .........................................................11
8. Removal of Fan Rotor / Fan Motor........................................................14
9. Removal of Indoor Heat Exchanger......................................................16
Note: The illustrations may be slightly different depending on the model.

Removal of Air Filters / Front Grille Si051060
2Removal Procedure
1. Removal of Air Filters / Front Grille
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1. External appearance
The illustrations are
given as the ceiling-
suspended type.
Note:
The removal procedure is the
same for the floor-mounted
type.
2. Remove the air filters.
1Pull the protrusions on
the both sides of the
front grille and open it.
(R2976)
(R2977)
TIMER lamp (yellow)
Operation lamp (green)
ON / OFF button
HOME LEAVE
lamp (red)
Front grille
(R2978)
(R2979)

Si051060 Removal of Air Filters / Front Grille
Removal Procedure 3
2Hold the tab at the
center of the air filter
frame and pull the air
filter forward.
3Pull the air filter along
the guide and remove
it.
Installing air filters can be
done easily by sliding along
the guide.
3. Remove the front grille.
1Remove the 2 grille
fixtures (right and left
sides), using a flat
screwdriver.
Step Procedure Points
Air filter
(R2980)
(R2981)
(R2982)
Grille fixture
(R2983)

Removal of Air Filters / Front Grille Si051060
4Removal Procedure
2To remove the front
grille, unfasten the
hooks at 3 locations.
4. Remove the side cover.
1Remove the side cover.
Note:
If it is difficult to remove
the side cover from
outside with fingers,
remove the front panel
first, then push the side
cover from inside to
outside.
Step Procedure Points
(R2984)
Front panel
(R2985)
Side cover

Si051060 Removal of Front Panel
Removal Procedure 5
2. Removal of Front Panel
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1Remove the 4 screws
of the front panel.
Note:
For the ceiling-suspended type,
remove drain hose before
removing the screws.
2Remove the 3 screw
covers at the front of
the front panel.
3Remove the 3 screws.
Front
panel
(R2986)
To open the screw cover
(R14196)
(R2988)

Removal of Front Panel Si051060
6Removal Procedure
4Unfasten the 3 hooks of
the front panel. Caution
For ceiling-suspended type,
be careful that the front panel
may fall when the hooks are
disengaged. To prevent the
front panel from falling down,
this work should be done by 2
persons.
5Press (A) section
slightly at the center of
the front panel, and
unfasten the hook.
6Remove the front panel.
Step Procedure Points
Hook
(R2989)
(1)
(2)
(A)
(R14197)
(R2991)

Si051060 Removal of Horizontal Blade
Removal Procedure 7
3. Removal of Horizontal Blade
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1Open the horizontal
blade.
2Deflect the 3 center
bearings to the left side
slightly, and release the
shafts of the horizontal
blade.
3Bend the horizontal
blade slightly to release
the shafts from
bearings at the both
ends. (Release the left
side shaft first.)
Horizontal blade
(R2993)
(1) (2)
(R14198)

Removal of Signal Receiver Unit / Swing Motor Si051060
8Removal Procedure
4. Removal of Signal Receiver Unit / Swing Motor
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1. Remove the signal
receiver unit.
1Unfasten the 2 hooks
(right and left sides) to
remove the signal
receiver unit.
2Remove the wire
harness of the signal
receiver unit from the
groove.
Note:
Rearrange the wire harness in
position as it was when
reassembling signal receiver
unit.
2. Remove the swing motor.
1Remove the 2 screws
and remove the swing
motor.
Signal receiver unit (R2995)
(R2996)
(R2997)
Swing motor
(R2998)