Daikin Super Multi NX FLXS25BAVMB User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Inverter
Floor / Ceiling Suspended
Dual Type
2.5/3.5/5.0/6.0 kW Class
Si051261EB

Service Manual
Removal Procedure
Indoor Unit
zHeat Pump
FLXS25BAVMB
FLXS35BAVMB
FLXS35BAVMB9
FLXS50BAVMB
FLXS25BVMA
FLXS35GVMA
FLXS50GVMA
FLXS60GVMA

Si051261EB
Removal Procedure 1
Table of Contents
1. Air Filters / Front Grille ............................................................................2
2. Front Panel..............................................................................................4
3. Horizontal Blade......................................................................................6
4. Signal Receiver Unit / Swing Motor.........................................................7
5. Discharge Grille.......................................................................................8
6. Drain Pan ................................................................................................9
7. PCBs / Electrical Box ............................................................................10
8. Fan Rotor / Fan Motor...........................................................................12
9. Indoor Heat Exchanger .........................................................................14
Note: The illustrations may be slightly different depending on the model.

Air Filters / Front Grille Si051261EB
2Removal Procedure
1. Air Filters / Front Grille
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 air filters.
1Pull the protrusions on
the both sides of the
front grille and open it.
2Hold the tab at the
center of the air filter
frame and pull the air
filter forward.
Installing air filters can be
done easily by sliding along
the guide.
3Pull the air filter along
the guide and remove
it.
Front grille
(R2978)
(R2981)

Si051261EB Air Filters / Front Grille
Removal Procedure 3
2. Remove the front grille.
1Remove the 2 grille
fixtures (right and left
sides), using a flat
screwdriver.
2To remove the front
grille, unfasten the 3
hooks.
3. Remove the side cover. 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.
1Remove the side cover.
Step Procedure Points
(R2982)
Grille fixture
(R17922)
Hook
Front panel
(R2985)
Side cover

Front Panel Si051261EB
4Removal Procedure
2. Front Panel
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
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.
Step Procedure Points
1Remove the 4 screws
of the front panel.
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
(R17923)

Si051261EB Front Panel
Removal Procedure 5
4Unfasten the 3 hooks of
the front panel.
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)
(R17689)
(R2991)

Horizontal Blade Si051261EB
6Removal Procedure
3. Horizontal Blade
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 the
bearings at the both
ends. (Release the left
side shaft first.)
(R2993)
(1) (2)
(R14198)

Si051261EB Signal Receiver Unit / Swing Motor
Removal Procedure 7
4. Signal Receiver Unit / Swing Motor
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.
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)

Discharge Grille Si051261EB
8Removal Procedure
5. Discharge Grille
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1Remove the 2 screws
on both sides.
2Unfasten the 2 hooks
(right and left sides)
and remove the
discharge grille by
pulling it forward.
Discharge grille
(R2999)
(R3000)
(R3001)