Daikin RMKS112LV1A Manuale utente
REMOVAL
PROCEDURE
SERVICE MANUAL
Outdoor Unit
Inverter
Multi Type
11.2/14.0/16.0 kW Class
48000 Btu/h Class
Si181296_A
Service Manual
Removal Procedure
Outdoor Unit
zCooling Only zHeat Pump
RMKS112LV1A RMXS112LV1A
RMKS140LV1A RMXS140LV1A
RMKS160LV1A RMXS160LV1A
RMXS48LVJU
zBP Unit
BPMKS967A2
BPMKS967A3
BPMKS048A2U
BPMKS049A3U
Si181296_A
Removal Procedure 1
Table of Contents
1. Outdoor Unit............................................................................................2
1.1 Outer Panels ............................................................................................2
1.2 PCBs / Electrical Components .................................................................4
1.3 Outdoor Fans / Fan Motors ....................................................................12
1.4 Thermistors ............................................................................................13
1.5 Electronic Expansion Valves / Peripheral Equipments...........................14
1.6 Four Way Valve......................................................................................17
1.7 Compressor............................................................................................18
2. BP Unit ..................................................................................................21
2.1 PCB Assembly .......................................................................................21
2.2 Electronic Expansion Valve Coils...........................................................23
Note: The illustrations may be slightly different depending on the model.
The illustrations are for heat pump models as representative.
Outdoor Unit Si181296_A
2Removal Procedure
1. Outdoor Unit
1.1 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
3
4
5
6
7
Remove the 8 screws
and remove the top
panel.
Remove the screw of
the front panel (2).
Push the front panel (2)
downward to release
the hook and remove it.
Remove the screw and
remove the piping cover
(front).
Remove the 4 screws
and remove the piping
cover (rear).
Slide the outdoor
temperature thermistor
to the right and detach
it.
Remove the 6 screws
and remove the right
side panel.
It is possible to remove only
the front panel (2) without
removing the top panel.
Top panel
(R12962)
Front panel
(2)
Piping cover
(front)
(R18289)
Outdoor temperature
thermistor
Right side
panel
Piping cover (rear)
Si181296_A Outdoor Unit
Removal Procedure 3
8 The outdoor unit has 2
discharge grilles.
Remove the 4 screws
and unfasten the 4
hooks to remove a
discharge grille.
U.S. model:
The front panel (1) has 2 air
outlet protection nets. To
detach an air outlet
protection net, remove the 4
screws.
9
10
Remove the 7 screws
of the front panel (1).
Push the front panel (1)
upward and remove it.
On the rear side of the front
panel (1), a reinforce plate is
attached. Be careful not to
lose it while removing the
front panel (1).
Step Procedure Points
Discharge
grille
Discharge
grille
Hook
Hook
Hook
Front
panel (1)
(R18960)
Reinforce plate
(R18961)
Outdoor Unit Si181296_A
4Removal Procedure
1.2 PCBs / Electrical Components
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 terminal
cover (The U.S. models
only).
M5(2) × 12
1 Remove the screw on
the terminal cover
(upper) and open the
terminal cover (upper).
2 Remove the screw and
open the terminal cover
(lower).
M5(3) × 12
3 Remove the 2 screws
and remove the
terminal covers.
M5(3) × 12
Terminal cover (upper)
Screw
(R18962)
Terminal cover (lower) Screw
Terminal mounting
plate
(R18963)
(R18964)
Screw
Si181296_A Outdoor Unit
Removal Procedure 5
2. Remove the PCBs and
electrical components.
M5(3) × 12
1 Remove the 2 screws
of the terminal
mounting plate.
(Except the U.S.
models.)
2 Remove the screw
above the electrical
component assembly.
M5(3) × 12
3 Unfasten the clamp
from the terminal
mounting plate.
Step Procedure Points
(R12966)
Terminal mounting plate
(R9220)
(R18065)
Outdoor Unit Si181296_A
6Removal Procedure
4 Cut off the 3 clamps.
5 Disconnect the relay
connector for the
reactor lead wire from
each other.
Step Procedure Points
(R18066)
(R18067)
(R18068)
(R9225)
Si181296_A Outdoor Unit
Removal Procedure 7
6 Disconnect the
connectors [X106A]
[X107A].
[X106A] [X107A]: fan motor
7 Release the fan motor
lead wires from the
hooks.
8 Release the lead wires
of the solenoid valves
and four way valve from
the fixing plate and then
remove the electrical
component assembly.
Step Procedure Points
(R12967)
[X106A] [X107A]
(R9227)
(R9228)
Outdoor Unit Si181296_A
8Removal Procedure
9 Remove the 2 screws
of the insulation sheet
and then release the
compressor lead wires
(blue, red, white) and
the relay wires between
A1P and A3P (red,
blue) from the hooks.
10 Remove the 2 screws
from [LB] (red) and [NB]
(blue) on A3P and
disconnect the 2 lead
wires of condenser
(orange, gray).
M4 × 8 with spring washer
Step Procedure Points
(R9229)
(R9230)
(R12968)
Condenser (C4)
Orange
[NB]
[LB]
Gray
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