Daikin Si001554EC Manual de usuario
REMOVAL
PROCEDURE
SERVICE MANUAL
Outdoor Unit
Inverter
Pair Type
9000/12000 Btu/h Class
Si001554EC
Service Manual
Removal Procedure
Outdoor Unit
Cooling Only Heat Pump
RK09NMVJU RX09NMVJU
RK12NMVJU RX12NMVJU
RKN09NMVJU RX09QMVJU
RKN12NMVJU RX12QMVJU
RX09RMVJU
RX12RMVJU
RX09RMVJU9
RX12RMVJU9
RXN09NMVJU
RXN12NMVJU
RXL09QMVJU
Si001554EC
Removal Procedure 1
Table of Contents
1. Outer Panels ...........................................................................................2
2. Outdoor Fan / Fan Motor.........................................................................3
3. Electrical Box / PCB ................................................................................5
4. Thermistor ASSY ..................................................................................10
5. Sound Blankets .....................................................................................14
6. Reactor / Electronic Expansion Valve Coil / Partition Plate ..................15
7. Four Way Valve.....................................................................................17
8. Compressor...........................................................................................19
Note: The illustrations may be slightly different depending on the model.
The illustrations are for heat pump models as representative.
Outer Panels Si001554EC
2Removal Procedure
1. Outer Panels
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1
2
Remove the 3 screws
and remove the top
panel.
Remove the 4 screws
of the front panel.
3
4
Unfasten the 2 left side
hooks, and then the 2
right side hooks.
Remove the front panel.
5 Unfasten the 2 hooks
on the top and remove
the discharge grille.
Front panel
Top panel
(R22821)
Hook
(R21605)
Hook
Discharge grille
Front panel
(R21606)
Si001554EC Outdoor Fan / Fan Motor
Removal Procedure 3
2. Outdoor Fan / Fan Motor
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1 Disconnect the
connector [S71] and
remove the filament
tape.
[S71]: fan motor
2 Release the fan motor
lead wire from the
groove.
3
4
Remove the nut of the
outdoor fan.
Remove the outdoor
fan.
Nut size: M6
Align the mark of the
outdoor fan with the D-cut
section of the motor shaft
when reassembling.
[S71]
Filament tape
(R22822)
Fan motor lead wireGroove (R21608)
Nut Outdoor fan (R21609)
10 mm
(0.39 inch)
(R18954)
Outdoor Fan / Fan Motor Si001554EC
4Removal Procedure
5 Remove the 2 screws
and remove the fan
motor fixing frame.
When reassembling, fit the 2
lower hooks into the bottom
frame.
6 Open the 3 hooks and
release the fan motor
lead wire.
7 Remove the 3 screws
from the fan motor.
8 Remove the fan motor.
Step Procedure Points
Fan motor fixing frame
(R21611)
Hook (R21610)
Hook
Fan motor lead wire
(R21612)
Fan motor
(R21613)
(R20826)
Si001554EC Electrical Box / PCB
Removal Procedure 5
3. Electrical Box / PCB
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 electrical
box.
1: black, front
2: white, front
3: red, front
1 Disconnect the 3
connectors from the
terminal board.
2 Remove the screw and
detach the earth /
ground wire.
3 Disconnect the
connector [S80].
[S80]: four way valve coil
Cooling only models have no
harness for [S80].
Connector
(R21614)
Earth / ground wire
(R21615)
[S80] (R21616)
Electrical Box / PCB Si001554EC
6Removal Procedure
4 Disconnect the
connector [S20].
[S20]: electronic expansion
valve coil
5 Disconnect the
connector [S40].
[S40]: overload protector
6 Disconnect the
connector [S30].
[S30]: compressor motor
Step Procedure Points
[S20] (R21617)
[S40]
(R21618)
[S30]
(R21619)
Si001554EC Electrical Box / PCB
Removal Procedure 7
7 Disconnect the 2
connectors from the
reactor.
When reassembling, you
can reconnect the 2
connectors for the reactor in
either way regardless of the
color.
8 Disconnect the
connector [S90].
[S90]: thermistors
9 Pull out the clamp from
the bottom.
Step Procedure Points
Reactor Connector (R21620)
[S90] (R21621)
Clamp
(R21622)
Electrical Box / PCB Si001554EC
8Removal Procedure
10 Remove the screw of
the electrical box.
11 Slide the electrical box
to the right and lift up to
remove it.
There are 2 hooks at the
bottom and the top back of
the electrical box.
2. Remove the PCB.
1 Remove earth / ground
screw.
Step Procedure Points
Electrical box
(R21623)
(R21624)
Hook
(R20839)
Earth / ground screw
(R20840)
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