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

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.

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

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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