Daikin ATC25QRV16 User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Inverter / Non-Inverter
Wall Mounted Type
2.5/3.5/4.2 kW Class
Si041402EC

Service Manual
Removal Procedure
Indoor Unit
zCooling Only
ATC25QRV16
ATC35QRV16
ATC25RRV162
ATC35RRV161
ATC42RRV162
ATF35QRV16
ATF35RRV161
ATQ35QRV16
ATQ35RRV162
ATKM25QRV16
ATKM35QRV16
ATKM25RRV16
ATKM35RRV16
ATKP25QRV16
ATKP35QRV16
ATKP25RRV16
ATKP35RRV16
DTC25QRV16
DTC35QRV16
DTC25RRV162
DTC35RRV161
DTC42RRV162
DTF35QRV16
DTF35RRV161
DTQ35QRV16
DTQ35RRV162
DTKM25QRV16
DTKM35QRV16
DTKM25RRV16
DTKM35RRV16
DTKP25QRV16
DTKP35QRV16
DTKP25RRV16
DTKP35RRV16
FTC35PRV16
FTC25QRV16
FTC35QRV16
FTC35QRV161
FTC35QRV1615
FTC25RRV162
FTC35RRV161
FTC42RRV162
FTC35RRV1615
FTC42RRV1625
FTF35PRV16
FTF35QRV16
FTF35QRV161
FTF35QRV1625
FTF35RRV161
FTF35RRV1615
FTQ35PRV16
FTQ35QRV16
FTQ35QRV1625
FTQ35RRV162
FTQ35RRV1625
FTUF35RRV161
FTKH35QRV16
FTKH35RRV16
FTKM25PRV16
FTKM35PRV16
FTKM25QRV16
FTKM35QRV16
FTKM25RRV16
FTKM35RRV16
FTKP25PRV16
FTKP35PRV16
FTKP25QRV16
FTKP35QRV16
FTKP25RRV16
FTKP35RRV16

Si041402EC
Removal Procedure 1
Table of Contents
1. Air Filters .................................................................................................2
2. Front Panel..............................................................................................3
3. Front Grille ..............................................................................................4
4. Horizontal Blade / Vertical Blade ASSYs ................................................5
5. Electrical Box ..........................................................................................7
6. PCBs .......................................................................................................9
7. Drain Pan Unit / Swing Motor................................................................13
8. Indoor Heat Exchanger .........................................................................14
9. Fan Motor / Fan Rotor...........................................................................16
Note: The illustrations may be slightly different depending on the model.

Air Filters Si041402EC
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.
Be sure to insert the 2 hooks
when mounting the air filter.
1
2
Open the front panel to
the position where it
stops.
Pull out the air filter
downward and remove
it.
2. Remove the optional
filters.
The right and left filters are
interchangeable.
1 Unfasten the 4
projections to remove
the optional filter ASSY,
if available.
2 Unfasten the 5 hooks
and remove the
optional filter from its
frame.
Front panel
Air filter
Hook (R23415)
Optional filter ASSY
Projection Projection
(R22555)
(R23416)
Optional filter
Hook
Hook

Si041402EC 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 shaft to the
right and release the
left shaft.
When reassembling the front
panel, fit the right and left
shafts one by one into the
grooves and fully push them
into position.
3
4
Remove the right shaft
in the same way.
Remove the front panel.
Front panel
(R20053)
(R20054)
(R20055)

Front Grille Si041402EC
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 screw
cover, and then the
screw, on both sides.
Open the horizontal blade
before removing the screw
covers and screws.
When reassembling the
indoor unit, drive the screws
with the horizontal blade
opened or removed.
2 Unfasten the 3 hooks
on the top of the front
grille.
The convex marks (...) on
the front grille indicate the
position of the hooks.
When reassembling, make
sure that all the 3 hooks are
fastened.
When reassembling the front
grille, be sure not to get it
stuck on the spacer of the
drain pan.
3 Pull out the upper part
of the front grille and lift
up the lower part, and
then remove the front
grille.
Screw cover (R20056)
Hook
(R20057)
(R12715)
(R20058)

Si041402EC Horizontal Blade / Vertical Blade ASSYs
Removal Procedure 5
4. Horizontal Blade / 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. Remove the horizontal
blade.
1 Unfasten the center
shaft while bending the
horizontal blade
slightly.
2 Unfasten the left shaft. Installation 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.
3 Unfasten the right shaft
and remove the
horizontal blade.
Horizontal blade (R22547)
(R20060)
(R20061)

Horizontal Blade / Vertical Blade ASSYs Si041402EC
6Removal Procedure
2. Remove the vertical blade
ASSYs.
Slide the front hooks to the
right/left to unfasten easily.
1 Unfasten the 2 hooks
on the front.
2 Unfasten the 3 hooks of
the vertical blade ASSY
by pressing them with a
flat screwdriver.
3
4
Remove the vertical
blade ASSY.
Remove the other
vertical blade ASSY in
the same way.
Each vertical blade ASSY
has 6 fins. It is not possible
to replace the fins
individually.
The vertical blade ASSY is
not marked for difference
between right and left.
Step Procedure Points
Hook
(R20062)
Hook
(R20063)
(R20064)

Si041402EC Electrical Box
Removal Procedure 7
5. 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
then the service cover.
2
3
Remove the screw, and
then the wire fixture.
Remove the 4 screws
on the terminal board
and disconnect the
connecting wire.
4
5
Disconnect the 3
connectors.
Release the harnesses
from the hooks.
(a) fan motor:
[S1] or [CN_FAN]
(b) swing motor:
[S6] or [CN_STP]
(c) fan motor (Hall IC):
[S7] or [CN101]
Service cover
(R20065)
Wire fixture Terminal board
(R20066)
Connecting wire
(a)
(b)
(c)
Hook
Hook
(R23417)

Electrical Box Si041402EC
8Removal Procedure
6 Remove the screw, and
then the drip proof
plate.
7
8
Pull out the indoor heat
exchanger thermistor.
Remove the screw and
detach the earth/ground
wire.
Be careful not to lose the clip
for the thermistor.
9
10
Remove the screw of
the electrical box.
Lift up and pull the
electrical box.
11 Unfasten the hook at
the top by pressing it
from above and remove
the electrical box.
Step Procedure Points
Drip proof plate
(R20068)
Indoor heat
exchanger
thermistor
Earth/ground
wire
(R20983)
Clip
(R11234)
Electrical box
(R20070)
(R20071)
Hook