Daikin RKS71KVMA User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
7.1/8.0/9.0 kW Class
Outdoor Unit
Inverter
Pair Type
Si001078

Service Manual
Removal Procedure
Outdoor Unit
zCooling Only zHeat Pump
RKS71KVMA RXS71KVMA
RXS80KVMA
RXS90KVMA

Si001078
Removal Procedure 1
Table of Contents
1. Removal of Outer Panels ........................................................................2
2. Removal of Electrical Box .....................................................................15
3. Removal of PCBs..................................................................................19
4. Removal of Fan Motor...........................................................................22
5. Removal of Coils / Thermistors .............................................................23
6. Removal of Sound Blankets..................................................................26
7. Removal of Compressor .......................................................................29
Note: The illustrations may be slightly different depending on the model.
The illustrations are for heat pump models as representative.

Removal of Outer Panels Si001078
2Removal Procedure
1. Removal of Outer Panels
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1. Features
2. Remove the suction grille. The hooks are secured in
the clearances of the
outdoor heat exchanger fins.
1Unfasten the 2 hooks at
the bottom first.
(R9036)
Hook
Rear side
(R13588)
Suction grille
(R6370)

Si001078 Removal of Outer Panels
Removal Procedure 3
2Slide the suction grille
downward to unfasten
the 3 top hooks.
3Remove the suction
grille.
3. Remove the top panel.
1Remove the 4 screws
on the back and the
screw on the left side.
Step Procedure Points
Hook
(
R13589
)
(R6372)
(R6373)
Top panel

Removal of Outer Panels Si001078
4Removal Procedure
2Remove the 2 screws
on the front and the
screw on the right side
panel.
3Lift the top panel and
remove it.
4. Remove the right side
panel.
1Remove the 5 screws.
Step Procedure Points
(R9037)
Right
side
panel
(R9038)
(R9039)
Right side panel

Si001078 Removal of Outer Panels
Removal Procedure 5
2Slide the right side
panel downward to
unfasten the 2 hooks on
the rear side.
Step Procedure Points
(R11143)
Hook
(R13521)
Hook
(R13522)

Removal of Outer Panels Si001078
6Removal Procedure
3Remove the right side
panel.
5. Remove the front panel
(2).
1Remove the 2 screws.
+:This screw is M5(3) × 16
2Slide the front panel (2)
downward to unfasten
the hook.
Step Procedure Points
(R11145)
+
Front Panel (1)
Front Panel (2)
(R9042)
(R9043)

Si001078 Removal of Outer Panels
Removal Procedure 7
3Remove the front panel
(2).
6. Remove the front panel
(1).
Remove the discharge grille
and the outdoor fan first to
remove the front panel (1).
1Remove the 4 screws
on the discharge grille.
2Pull the bottom of the
discharge grille.
Step Procedure Points
(R9040)
Hook
Discharge grille
(R9045)
Front
Panel (1)
(R9046)

Removal of Outer Panels Si001078
8Removal Procedure
3Slide the discharge
grille downward to
unfasten the 2 hooks at
the top.
4Remove the discharge
grille.
5Remove the nut of the
outdoor fan.
Nut size : M8
Step Procedure Points
(R9047)
Hook
(R13590)
(
R9048
)
(R6991)
Outdoor fan 13 mm
(R12301)

Si001078 Removal of Outer Panels
Removal Procedure 9
6Remove the 2 screws
on the partition plate
(1).
7Remove the screw at
the bottom left of the
front.
8Remove the screw at
the bottom of the left
side.
Step Procedure Points
(R6992)
(R6993)
Partition plate (1)
(R6393)

Removal of Outer Panels Si001078
10 Removal Procedure
9Remove the screw at
the bottom of the rear
side.
10 Lift the front panel (1). The front panel (1) has a
hook on its front.
Step Procedure Points
(R6394)
Hook
(R6994)

Si001078 Removal of Outer Panels
Removal Procedure 11
11 Remove the front panel
(1).
Be sure to detach the front
panel (1) carefully so as not
to deform it.
7. Remove the rear panel.
1Remove the screw on
the partition plate (2).
2Slide the partition plate
(2) to the left, and
remove it.
Step Procedure Points
(R6995)
(R11400)
(R13591)
Rear panel
Partition
plate (2)
Hook
(R13592)

Removal of Outer Panels Si001078
12 Removal Procedure
3Remove the 3 screws
on the wire fixing plate.
4Remove the wire fixing
plate and the insulation.
5Release the holder of
the outdoor
temperature thermistor.
The holder is secured in the
clearances of the outdoor
heat exchanger fins.
Step Procedure Points
(R13593)
Wire fixing plate
Insulation
(R13594)
(R11151)
Holder

Si001078 Removal of Outer Panels
Removal Procedure 13
6Release the harness of
the outdoor
temperature thermistor
from the groove.
7Remove the 3 screws
on the rear panel.
8Remove the screw on
the bottom frame.
Step Procedure Points
Thermistor
(R14991)
(R15002)
Rear panel
(R13596)

Removal of Outer Panels Si001078
14 Removal Procedure
9Remove the screw on
the stop valve mounting
plate.
10 Lift the rear panel
upward to unfasten the
2 hooks.
11 Remove the rear panel.
Step Procedure Points
Stop valve mounting plate
(R13597)
HookHook
(R13598)
(R13599)

Si001078 Removal of Electrical Box
Removal Procedure 15
2. Removal of Electrical Box
Procedure 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 on
the stop valve mounting
plate.
2 Remove the screw on
the partition plate (1).
3 Remove the 2 screws
to detach the earth
wires.
(R13600)
Electrical box
Stop valve
mounting plate
(R9467)
Partition
plate (1)
(R13601)
Earth wire

Removal of Electrical Box Si001078
16 Removal Procedure
4Disconnect the
connector for the fan
motor [S70].
5Release the fan motor
lead wire from the 5
hooks.
+: When reassembling, do not
use these 2 hooks.
6Disconnect the
connectors of the front
side.
[S20]: electronic expansion
valve coil
[S40]: overload protector
[S80]: four way valve coil
[S90]: thermistors
Step Procedure Points
(R7008)
[S70]
+
Fan motor
lead wire
(R9468)
(R5275)
[S40] [S20] [S90] [S80]

Si001078 Removal of Electrical Box
Removal Procedure 17
7 The compressor lead
wire is fixed on the
partition plate (1) with a
clamp.
8 Release the clamp of
the compressor relay
harness with pliers.
9 Disconnect the relay
connector for the
compressor.
Step Procedure Points
Clamp
(R13602)
Clamp
(R6423)
(R6469)

Removal of Electrical Box Si001078
18 Removal Procedure
10 Slide the electrical box
to the left to unfasten
the hook on the right
side of the box.
11 Lift up the electrical box
and remove it.
Step Procedure Points
(R13603)
Hook
(R13604)