Daikin RKM71PVMA User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
7.1 kW Class
Outdoor Unit
Inverter
Pair Type
Si001422E

Service Manual
Removal Procedure
Outdoor Unit
zCooling Only zHeat Pump
RKM71PVMA RXM71PVMA

Si001422E
Removal Procedure 1
Table of Contents
1. Outer Panels ...........................................................................................2
2. Electrical Box ..........................................................................................7
3. PCB.......................................................................................................10
4. Fan Motor..............................................................................................14
5. Coils / Thermistor ASSY .......................................................................15
6. Sound Blankets .....................................................................................17
7. Compressor...........................................................................................19
Note: The illustrations may be slightly different depending on the model.
The illustrations are for heat pump models as representative.

Outer Panels Si001422E
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
1Unfasten the 2 hooks
on the bottom of the
suction grille.
2Slide downward the
suction grille to
unfasten the upper 3
hooks.
3Remove the suction
grille.
4Remove the 8 screws
and remove the top
panel.
Hook
Suction
grille
Hook (R21473)
(R21474)
Top panel
(R21475)

Si001422E Outer Panels
Removal Procedure 3
5Remove the 5 screws
of the front panel (2).
6Slide downward the
front panel (2) to
unfasten the hook.
When reassembling, make
sure to fit the hook.
7Remove the 2 screws
of the right side panel.
8Slide down the right
side panel and remove
it.
When reassembling, make
sure to fit the 2 hooks.
Step Procedure Points
Front panel (2)
(R21476)
Hook
(R21477)
Right side panel
(R21478)
(R21479)

Outer Panels Si001422E
4Removal Procedure
9Remove 4 screws on
the discharge grille.
Remove the discharge grille
and the outdoor fan first to
remove the front panel (1).
10 Pull the bottom of the
discharge grille.
11 Slide downward the
discharge grille to
unfasten the upper 2
hooks.
When reassembling, make
sure to fit the 4 hooks.
12 Remove the nut and
remove the outdoor fan.
Nut size: M8
When reassembling, align
the Wmark of the outdoor
fan with the D-cut section of
the motor shaft.
13 Remove the 5 screws
of the front panel (1).
Step Procedure Points
Discharge grille
(R21480)
(R21481)
Nut
Outdoor fan
(R21482)
13 mm
(R20767)
(0.51 inch)
Front panel (1)
(R21483) (R21484)

Si001422E Outer Panels
Removal Procedure 5
14 Lift up the front panel
(1) to unfasten the
hook.
15 Remove the front panel
(1).
16 Remove the screw of
the partition plate (2).
17 Slide the partition plate
(2) to the left and lift up
to remove it.
18 Remove the 3 screws
and remove the wire
fixture.
19 Remove the 11 screws
on the terminal boards
and release the demand
communication wire,
connecting wire, power
supply wire.
In case that the demand
adaptor is attached
optionally, remove the
demand adaptor first.
Step Procedure Points
(R21485)
Partition plate (2)
Hook
(R21486)
(R21487)
Wire fixture
Demand
communication
wire Connecting
wire
Power supply
wire
(R21488)
Demand
adaptor
(R21489)

Outer Panels Si001422E
6Removal Procedure
20 Detach the outdoor
temperature thermistor
holder.
21 Release the thermistor
harness from the slit.
22 Remove the 5 screws
and remove the rear
panel.
When reassembling, make
sure to fit the 2 hooks.
Step Procedure Points
Outdoor temperature
thermistor holder
(R21490)
Slit
(R21676)
Rear panel
(R21677)
(R21678)

Si001422E Electrical Box
Removal Procedure 7
2. Electrical Box
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1Remove the 2 screws
and detach the earth /
ground wires.
2Disconnect the
connector [S70].
[S70]: fan motor
3Release the fan motor
lead wire from the slit
and the 5 hooks.
4Disconnect the
connector [S20].
[S20]: electronic expansion
valve coil
5Pull out the clamp and
release the harness.
Terminal board Earth / ground wire
(R21679)
[S70]
(R21680)
Hook
Hook
Slit
(R21681)
[S20] Clamp
(R21682)

Electrical Box Si001422E
8Removal Procedure
6Disconnect the
connector [S90].
[S90]: thermistors
When reassembling, insert
each clamp into the small
holes.
When reassembling, insert
the clamp of the thermistor
ASSY harness into the hole
as below.
7Pull out the clamp and
release the harness.
8Disconnect the
connector [S40].
[S40]: overload protector
9Release the harness
from the hook.
10 Disconnect the
connector [S80].
[S80]: four way valve coil
Cooling only models have no
harness for [S80].
11 Pull out the clamp and
release the harness.
12 Release the thermistor
harness from the hook
on the bottom of the
electrical box.
When reassembling, insert
the clamp into the small
hole.
13 Pull out the clamp.
Step Procedure Points
[S90] Clamp
(R21683) Thermistor ASSY harness
(R21725)
Electronic expansion
valve coil harness
[S40] Hook
(R21684)
[S80]
(R21685)
Clamp
Hook
Clamp
(R21686)
Fixing position for the
thermistor harness
(R21726)