Daikin ATKC18RV2S User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Inverter
Wall Mounted Type
4.2/5.0/6.0/7.1 kW Class
15000/18000/24000 Btu/h Class
Si041255EH

Service Manual
Removal Procedure
Indoor Unit
zCooling Only zHeat Pump
ATKC18RV2S FTKS15JV2S FTXS60GV1B
ATKC24RV2S FTXS71GV1B
FTKS42JVMG
CTKM60PV14 FTKS42JVMG9 FTXS50KAVMA
FTXS60KAVMA
CTKM24PV2S FTKS50GVM4 FTXS71KAVMA
FTKS60GVM4
FTKC18NV2S FTKS71GVM4
FTKC24NV2S
FTKS50GVMV
FTKC50NVM FTKS60GVMV
FTKC60NVM FTKS71GVMV
FTKC50NVM4
FTKC60NVM4 FTKS50KAVMA
FTKC50NVMM FTKS60KAVMA
FTKC60NVMM FTKS71KAVMA
FTKC50NVMV
FTKC60NVMV FTKV50NVM
FTKV60NVM
FTKD42GVM9 FTKV50NVM4
FTKD50GVM9 FTKV60NVM4
FTKD60GVM9 FTKV50NVMM
FTKD71GVM9 FTKV60NVMM
FTKV50NVMV
FTKD42GVMV FTKV60NVMV
FTKD50GVMV
FTKD60GVMV
FTKD71GVMV
FTKD42HVMV
FTKD50HVMV
FTKD60HVMV
FTKD71HVMV
FTKM60PVM

Si041255EH
Removal Procedure 1
Table of Contents
1. Air Filters .................................................................................................2
2. Front Panel..............................................................................................3
3. Front Grille ..............................................................................................4
4. Horizontal Blades ....................................................................................5
5. Vertical Blade ASSYs..............................................................................6
6. Electrical Box ..........................................................................................7
7. PCBs .......................................................................................................9
8. Swing Motors ........................................................................................12
9. Indoor Heat Exchanger .........................................................................14
10.Fan Motor / Fan Rotor...........................................................................16
Note: The illustrations may be slightly different depending on the model.

Air Filters Si041255EH
2Removal Procedure
1. Air Filters
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. The air filter is not marked
for difference between the
right and left sides.
Insert the air filter with the
"FRONT" mark faced up.
When reassembling, insert
the air filter along the guides.
1 Open the front panel to
the position where it
stops.
2 Pull out the air filter
downward and remove
it.
Be sure to fit the 2 bottom
hooks when installing the air
filter.
2. Remove the Titanium
apatite photocatalytic air-
purifying filters.
The right and left filters are
interchangeable.
Bend the air filter and
release the projections from
the air filter frame.
1 Remove the Titanium
apatite photocatalytic
air-purifying filter ASSY
from the back of the air
filter.
2 Unfasten the 5 hooks
and remove the
Titanium apatite
photocatalytic air-
purifying filter from the
frame.
Front panel
(R11322)
Air filter
Hook
(R11323)
Air filter
(R17672)
Titanium apatite photocatalytic
air-purifying filter ASSY
Projection
(R18808)
Titanium apatite photocatalytic
air-purifying filter
Hook Hook

Si041255EH Front Panel
Removal Procedure 3
2. Front Panel
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1 Open the front panel
over the position where
it stops.
2 Slide the left rotary
shaft to the right and
release it.
When reassembling the front
panel, fit the right and left
rotary shafts one by one into
the grooves and fully push
them into position.
3 Slide the right rotary
shaft to the left and
release it.
4 Remove the front panel.
(R23310)
Front panel
(R11328)
(R11329)
(R18792)
Front panel

Front Grille Si041255EH
4Removal Procedure
3. 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 3 screws
of the front grille.
2 Unfasten the 3 hooks
on the top of the front
grille.
The convex marks (...) on
the front panel indicate the
position of the hooks.
3 Pull out the upper part
of the front grille, lift up
the lower part, and then
remove the front grille.
When reassembling, make
sure that the 3 hooks are
fastened.
(R11330)
Front grille
(R17673)
Left hook
Center hook
Right hook
(R17674)
(R12715)
(R11334)

Si041255EH Horizontal Blades
Removal Procedure 5
4. Horizontal Blades
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1 Open the horizontal
blades.
When reassembling, mount
the large horizontal blade to
the upper position and the
small horizontal blade to the
lower position.
2 Release the left shaft of
the horizontal blade
(large).
3 Release the right shaft
of the horizontal blade
(large).
Reassembling procedure
1. Fit the horizontal blade to the
right shaft first. Make sure to
rotate the horizontal blade so
the shaft fits correctly.
2. Fit the horizontal blade to the
center and left shafts.
4
5
Release the 2 center
shafts and remove the
horizontal blade (large).
Remove the horizontal
blade (small) in the
same way.
Horizontal blade (small)
Horizontal blade (large)
(R11335)
Left shaft
(R11336)
Right shaft
(R23405)
Center shaft
(R2765)

Vertical Blade ASSYs Si041255EH
6Removal Procedure
5. Vertical Blade ASSYs
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1 Release the right and
left shafts.
Some models have fan
guards. Remove the fan
guards beforehand.
The unit has 3 sets of
vertical blade ASSY linked to
one another with interlock
rods.
For models which have no
swing motor for vertical
blades, the 3 sets of vertical
blade ASSY are not
interlinked.
2 Unfasten the 3 hooks
for each set of vertical
blade ASSY (9 hooks).
3 Pull out the vertical
blade ASSYs to the
right and remove them.
Vertical blade ASSY
(R13512)
Hook
(R13513)
(R11339)

Si041255EH Electrical Box
Removal Procedure 7
6. Electrical Box
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 screw and
remove the service
cover.
2 Remove the screw and
remove the drip proof
plate.
3
4
5
6
Pull out the indoor heat
exchanger thermistor.
Remove the screw of
the earth / ground wire.
Remove the screw of
the wire fixture.
Remove the 4 screws
of the connecting wires.
Be careful not to lose the clip
of the thermistor.
Service cover (R17675)
Drip proof
plate
(R11343)
Indoor heat exchanger thermistor
Earth / ground wire
Connecting
wire
Wire
fixture
(R18966)
Clip
(R11268)

Electrical Box Si041255EH
8Removal Procedure
7
8
Disconnect the
connectors [S1] [S41]
and release the
harnesses from the
hooks.
Remove the screw of
the electrical box.
[S1]: fan motor
[S41]: swing motor(s)
9
10
Unfasten the hook at
the back of the
electrical box.
Pull out and remove the
electrical box.
When reassembling, make
sure the hook at the back of
the electrical box is securely
fastened.
Step Procedure Points
[S41]
[S1] Hook
(R18794)
(R17677)
Hook
Electrical box