Daikin FTKM33NV2S User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Inverter / Non-Inverter
Wall Mounted Type
6.0/7.0/7.1/8.0/8.5/9.0/9.5 kW Class
28000/30000/32000/33000/36000 Btu/h Class
Si041352ED

Service Manual
Removal Procedure
Indoor Unit
zCooling Only zHeat Pump
FTKM33NV2S CTXM85RVMA
CTXM95RVMA
FTKM28PVMK
CTXM95RVMN
FTKS71HVM
FTKS85HVM FTX30NVJU
FTX36NVJU
FTKS28JV2S
FTKS33JV2S FTXM71NVLT
FTXM80NVLT
FTKS71JVMG FTXM90NVLT
FTKS85JVMG
FTKS71JVMG9 FTXM28PVMK
FTKS85JVMG9
FTXM85PVMA
FTKS60MVLT FTXM95PVMA
FTKS70MVLT
FTKS80MVLT FTXM71RVLT
FTKS90MVLT FTXM80RVLT
FTXM90RVLT
FTM71JV14
FTXM32TVL
FTM28NV2S
FTXS60MVLT
FTXS70MVLT
FTXS80MVLT
FTXS90MVLT
FTXV71SVLT
FTXV80SVLT
FTXV90SVLT

Si041352ED
Removal Procedure 1
Table of Contents
1. Air Filters / Front Panel ...........................................................................2
2. Front Grille ..............................................................................................4
3. Electrical Box ..........................................................................................6
4. PCBs .......................................................................................................9
5. Horizontal Blades ..................................................................................14
6. Swing Motors ........................................................................................17
7. Fan Motor (Without Removing Indoor Heat Exchanger) .......................22
8. Indoor Heat Exchanger .........................................................................24
9. Fan Motor / Fan Rotor...........................................................................27
10.Vertical Blade ASSYs............................................................................29
Note: The illustrations may be slightly different depending on the model.

Air Filters / Front Panel Si041352ED
2Removal Procedure
1. Air Filters / 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. Remove the air filters. The 3 filters are
interchangeable.
Insert the air filter with the
"FRONT" mark faced up.
The air filter can be set
easily by inserting it along
the guides.
Be sure to insert the 2 lower
hooks when reassembling
the air filter.
1 Open the front panel to
the position where it
stops.
2 Pull out the air filter
downward and remove
it.
2. Remove the Titanium
apatite deodorizing filters.
The 3 filters are
interchangeable.
1 Remove the Titanium
apatite deodorizing filter
ASSY from the back of
the air filter.
2 Remove the Titanium
apatite deodorizing filter
from the frame.
(R9475)
Front Panel
(R13625)
Air filter Hook
(R24472)
Air filter
Titanium apatite deodorizing
filter ASSY
(R24473)
Frame
Titanium apatite deodorizing
filter

Si041352ED Air Filters / Front Panel
Removal Procedure 3
3. Remove the front panel.
1 Open the front panel
over the position where
it stops.
2 Slide the left shaft to the
right and release it.
When reassembling the front
panel, fit the right and left
shafts one by one into the
grooves and fully push them
into position.
3 Remove the right shaft
in the same way.
4 Remove the front panel.
Step Procedure Points
(R9479)
Front Panel
(R24474)
Left shaft
(R24475)
Right shaft
(R9482)

Front Grille Si041352ED
4Removal Procedure
2. 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 service
cover.
You can remove the front
grille without removing the
service cover.
1 Remove the screw, and
then the service cover.
2. Remove the front grille.
1 Remove the 3 screws
of the front grille.
2 Remove the 3 screw
covers with a flat
screwdriver.
3 Remove the lower 3
screws.
(R18714)
Service cover
(R9485)
Front grille
(R24476)
Screw cover
(R9488)

Si041352ED Front Grille
Removal Procedure 5
4 Remove the 3 front
grille fixtures.
The illustration shows the left
fixture.
5 Unfasten the 4 hooks
on the top of the front
grille.
The convex marks (...) on
the front panel indicate the
position of the hooks.
6 Pull out the upper part
of the front grille and lift
up the lower part, and
then remove the front
grille.
When reassembling, make
sure that the 4 hooks are
securely fastened.
Step Procedure Points
(R9489)
Front grille fixture
(R9490)
(R9486)
Hook
(R12715)
(R9492)

Electrical Box Si041352ED
6Removal Procedure
3. 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. The shape of the drip proof
plate varies depending on
the model.
2 Remove the drip proof
plate from the indoor
heat exchanger.
When reassembling, fit the
hook to the indoor heat
exchanger.
3 Remove the screw and
release the earth/
ground wire.
123
(R9494)
Drip proof plate
(R9496) (R9495)
123
(R24477)
Earth/ground wire

Si041352ED Electrical Box
Removal Procedure 7
4 Pull out the indoor heat
exchanger thermistor.
The position of the indoor
heat exchanger thermistor
varies depending on the
model.
Some models have a clamp
fixing the indoor heat
exchanger thermistor to the
indoor heat exchanger.
Cut the clamp, if any.
Be careful not to lose the clip
of the thermistor.
5
6
Remove the screw, and
then the wire fixture.
Remove the 4 screws
on the terminal strip
and disconnect the
connecting wire.
7 Disconnect the
connector [S1] and
release the harness
from the hook.
[S1]: fan motor
For U.S. models
When reassembling, make
sure that the connecting wire
is passed through the
conduit hole at the bottom of
the unit
8 Release the ferrite core.
Step Procedure Points
123
Indoor heat exchanger thermistor (R22045)
(R22132)
Clamp
Clip
(R11268)
123
Terminal strip
Wire
fixture
Connecting wire
(R24478)
123
(R18716)
[S1] Hook
Lock nut
Back
Conduit
Conduit mounting
plate
(R24421)
(R9501)
Ferrite core

Electrical Box Si041352ED
8Removal Procedure
9 Disconnect the
connector [S41].
[S41]: swing motors
10 Release the harness
from the 3 hooks.
11 Remove the screw of
the electrical box.
12 Lift up the electrical box
from the bottom frame
and remove it.
When reassembling, make
sure the back hook of the
electrical box is securely
fastened.
Step Procedure Points
(R9502)
[S41]
(R24479)
Hook
123
(R9504)
Electrical box
(R9505)
(R9647)
Bottom frame
Hook

Si041352ED PCBs
Removal Procedure 9
4. PCBs
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 PCB.
1 Unfasten the 2 hooks of
the shield plate.
2 Open the shield plate
and remove it.
The shield plate has 2 hooks
at the lower part.
3 Remove the screw, and
then the terminal strip.
4 Cut the clamp.
Shield
plate
Hook
(R24480)
Top view
(R9507)
Hook
Right view
(R24483)
Terminal strip
(R24481)
(R24482)
Clamp

PCBs Si041352ED
10 Removal Procedure
5 Release the harness
from the 2 hooks.
When reassembling, make
sure to insert the harness
into the hook.
6 Push and unfasten the
hook of the signal
receiver unit.
7
8
Open the signal
receiver unit.
Unfasten the hook and
remove the signal
receiver unit.
Step Procedure Points
(R24484)
Hook
(R24485)
Bottom view
Hook
Signal
receiver
unit
(R9516)
Hook

Si041352ED PCBs
Removal Procedure 11
9
10
Unfasten the 2 hooks
and remove the signal
receiver PCB.
Disconnect the
connector [S48].
[S48]: control PCB
2. Remove the
INTELLIGENT EYE
sensor PCB.
Some models do not have
the INTELLIGENT EYE
sensor ASSY.
1 Unfasten the 4 hooks
and remove the
INTELLIGENT EYE
sensor ASSY.
2 Remove the sensor. When reassembling, set the
sensor at the position where
it clicks. Otherwise, the
sensor is not completely set.
3
4
Unfasten the 2 hooks
and detach the
INTELLIGENT EYE
sensor PCB.
Disconnect the
connector [S36].
[S36]: control PCB
Step Procedure Points
(R25310)
[S48]
Signal receiver PCB
Hook
(R9523)
Hook
Hook
INTELLIGENT EYE
sensor ASSY
(R24486)
Sensor
(R24487)
Shield plate
Hook
INTELLIGENT EYE
sensor PCB
[S36]

PCBs Si041352ED
12 Removal Procedure
3. Remove the display PCB.
1 Unfasten the 4 hooks
and remove the display
PCB.
2
3
Release the harness
from the hook.
Disconnect the
connector [S49].
[S49]: control PCB
4. Remove the control PCB.
1 Unfasten the 3 hooks
and remove the control
PCB.
Step Procedure Points
(R24488)
Display PCB Hook
Hook
Back of the signal receiver unit
(R18718)
Hook
[S49]
(R9517)
Hook
Hook
Control PCB

Si041352ED PCBs
Removal Procedure 13
2 Pull out the earth/
ground wire (yellow/
green) from the terminal
strip.
Take note of the color of the
terminals before removing
them.
When reassembling, make
sure to connect the
connectors as shown in the
illustrations below.
3 Pull out the 4 terminals
from the terminal strip.
Step Procedure Points
Earth/ground wire
(yellow/green)
(R24489)
Black Red
Earth/ground (green)
Earth/ground
(yellow/green)
White
FRONT
Type 1
(R24490)
Red Black
Earth/ground (green)
Earth/ground
(yellow/green)
White
FRONT
Type 2
(R24491)
(R9519)
Terminal

Horizontal Blades Si041352ED
14 Removal Procedure
5. 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. Remove the horizontal
blades.
1 Release the right shaft
of the horizontal blade
(large).
2 Release the left shaft.
3 Release the inner right
shaft.
4Release the inner left
shaft.
Right
Horizontal
blade (large)
(R24492)
(R24493)
Left
Inner right
(R24494)
(R24495)
Inner left

Si041352ED Horizontal Blades
Removal Procedure 15
5
6
Remove the horizontal
blade (large).
Remove the horizontal
blade (small) in the
same way.
2. Remove the air outlet
ASSYs.
1 Remove the sealing
material (horizontal).
2 Remove the 2 sealing
materials (vertical).
Step Procedure Points
(R9539)
(R24496)
Sealing material
(horizontal)
(R24497)
Sealing material
(vertical)

Horizontal Blades Si041352ED
16 Removal Procedure
3
4
Unfasten the 2 hooks at
the back and remove
the left air outlet ASSY.
Remove the center and
right air outlet ASSYs in
the same way.
5
6
Unfasten the 4 lower
hooks and the 2 upper
hooks and remove the
fan guard.
Remove the other 2 fan
guards in the same
way.
Some models have no fan
guard.
Step Procedure Points
(R9542)
Air outlet
ASSY
(R9543)
Hook
(R24498)
Fan guard
Hook
Hook
Hook

Si041352ED Swing Motors
Removal Procedure 17
6. Swing Motors
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Caution When reassembling, do not confuse the installing order of the 2 motors for horizontal
blades and the colors of the connectors.
If you set the connectors or motors opposite, the horizontal blades do not move
smoothly or noise may be heard.
Step Procedure Points
1. Remove the swing motors
for horizontal blades.
1 Hold the indoor unit up
with a piece of wood.
2 Remove the screw at
the rear of the indoor
unit.
3 Remove the 2 screws.
(R16287)
Horizontal blade
Bottom view
(R24557)
(R9534)

Swing Motors Si041352ED
18 Removal Procedure
4 Release the interlock
rod.
5 Remove the swing
motor unit.
To facilitate the removal
work, remove the screw and
release the drain hose.
Wrap the open ends of the
drain hose with plastic
sheets to prevent water
dripping.
6 Remove the screw at
the center.
Step Procedure Points
(R9546)
Interlock rod
(R24499)
Drain hose
Swing motor
unit
Right view
(R9548)