Daikin 3MWKS80LV1 User manual
REMOVAL
PROCEDURE
SERVICE MANUAL
80 kW Class
Outdoor Unit
Inverter
Multi Type
Si121557E
Service Manual
Removal Procedure
Outdoor Unit
zCooling Only
3MWKS80LV1
zWater Heater
TUL-55KVM
TUL-75KVM
TUL-100KVM
TUR-55KVM
TUR-75KVM
TUR-100KVM
Si121557E
Removal Procedure 1
Table of Contents
1. Outdoor Unit............................................................................................2
1.1 Outer Panels / Outdoor Fan .....................................................................2
1.2 Fan Motor ...............................................................................................10
1.3 Electrical Box..........................................................................................12
1.4 PCBs ......................................................................................................18
1.5 Reactor...................................................................................................24
1.6 Coils / Thermistors .................................................................................25
1.7 Sound Blankets ......................................................................................27
1.8 Compressor............................................................................................29
2. Water Heater.........................................................................................31
Note: The illustrations may be slightly different depending on the model.
Outdoor Unit Si121557E
2Removal Procedure
1. Outdoor Unit
1.1 Outer Panels / Outdoor Fan
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 suction grille. The hooks are secured in
the clearances of the
outdoor heat exchanger fins.
1
2
Unfasten the 5 hooks.
Remove the suction
grille.
2. Remove the top panel.
1
2
Remove the 8 screws.
Lift up the top panel and
remove it.
3. Remove the front panel
(2).
This screw is M5 × 16.
1 Remove the 5 screws.
(R17585)
Hook
Hook
Suction grille
(R22022)
Top panel
+
Front Panel (2)
Front
Panel (1)
(R13637)
Si121557E Outdoor Unit
Removal Procedure 3
2 Slide the front panel (2)
downward to release
the hook.
3 Remove the front panel
(2).
4. Remove the right side
panel.
1 Remove the 2 screws.
Step Procedure Points
(R21942)
Hook
(R13639)
Right side panel (R13640)
Outdoor Unit Si121557E
4Removal Procedure
2 Slide the right side
panel downward to
unfasten the 2 hooks on
the back side.
Step Procedure Points
(R13645)
Hook
(R6378)
Hook
(R13646)
Si121557E Outdoor Unit
Removal Procedure 5
5. Remove the outdoor fan
and the front panel (1).
Remove the discharge grille
and outdoor fan first to
remove the front panel (1).
1 Remove the 4 screws
on the discharge grille.
2
3
Slide the discharge
grille downward to
unfasten the 2 hooks at
the top.
Remove the discharge
grille.
4 Remove the nut and
remove the outdoor fan.
Nut size : M8
When reassembling, align
the mark of the outdoor
fan with the D-cut section of
the motor shaft.
Step Procedure Points
(R13641)
Discharge grille
Front
Panel (1)
(R21943)
Hook
(R13644)
Outdoor fan
13 mm
(0.51 inch)
(R18965)
Outdoor Unit Si121557E
6Removal Procedure
5 Remove the 5 screws
on the front panel (1).
6 Release the hook and
remove the front panel
(1).
6. Remove the rear panel.
1 Remove the screw on
the partition plate (2)
and remove the
partition plate (2).
Step Procedure Points
(R18785)
(R17716)
(R13650)
Partition
plate (2)
Rear panel
Si121557E Outdoor Unit
Removal Procedure 7
2 Remove the 5 screws
and remove the wire
fixture.
3 Disconnect the
connecting wires.
4 Disconnect the
connector [S402].
[S402]: water heater thermistor
Step Procedure Points
(R21944)
Wire fixture
(R13652)
[S402]
(R22025)
Outdoor Unit Si121557E
8Removal Procedure
5 Remove the screw of
the resin clamp.
When reassembling, attach
the resin clamp as below.
6 Remove the water
heater thermistor.
7 Pull out the holder of
the outdoor
temperature thermistor.
The holder is secured in the
clearances of the outdoor
heat exchanger fins.
Step Procedure Points
(R13654)
Resin
clamp
<Correct>
<Wrong>
(R22023)
(R15740)
Water
heater
thermistor
(R10388)
Outdoor temperature thermistor
This manual suits for next models
6
Table of contents
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