Daikin RE50NRV16 Bedienungsanleitung

5.0/6.0 kW Class

REMOVAL

PROCEDURE

SERVICE MANUAL

Outdoor Unit

Non-Inverter

Pair Type

Si011281E

Service Manual

Removal Procedure

Outdoor Unit

zCooling Only

RE50NRV16

RE60NRV16

REL50NRV16

REL60NRV16

Si011281E

Removal Procedure 1

Table of Contents

1. Outer Panels ...........................................................................................2

2. Outdoor Fan / Fan Motor.........................................................................3

3. Electrical Components ............................................................................5

4. Capillary Tube .........................................................................................8

5. Compressor ASSY ................................................................................10

Note: The illustrations may be slightly different depending on the model.

Outer Panels Si011281E

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

1Remove the 4 screws

and remove the top

panel.

2Remove the 7 screws

of the front panel.

3Unfasten the 2 hooks of

the right side and

remove the front panel.

4Remove the screw on

the discharge grille.

5The discharge grille has

2 projections to prevent

its rotation. Press the

projection from the rear

side and rotate the

discharge grille to

remove it.

Top panel

Front panel (R18599)

Discharge grille

Projection

(R18600)

Si011281E Outdoor Fan / Fan Motor

Removal Procedure 3

2. Outdoor Fan / Fan Motor

Warning Be sure to wait for 10 minutes or more after turning off all power supplies before

disassembling work.

Step Procedure Points

1Pull out the 2 terminals

(red, white) from the fan

motor capacitor (C2).

Fan motor capacitor (C2)

2Pull out the 2 terminals

(black: 3_upper, green /

yellow: _upper) from

the terminal board

(X1M).

3Release the fan motor

lead wire from the hook.

4Remove the nut and

remove the outdoor fan.

Nut size: M6

Align the mark of the

outdoor fan with the D-cut

section of the motor shaft

when reassembling.

Fan motor lead wire

Fan motor capacitor Terminal board

(R18989)

Hook

to fan motor:

red

to terminal board

X1M (2_lower): blue

to fan motor:

white

(R19013)

Outdoor fanNut

D-cut

(R18991)

10 mm

(0.39 inch)

(R18954)

Outdoor Fan / Fan Motor Si011281E

4Removal Procedure

5Remove the screw and

remove the fan motor

fixing plate.

Be careful so as not to

damage the top part of the

outdoor heat exchanger fins.

When reassembling, put the

fan motor lead wire through

the back of the fan motor so

as not to be entangled with

the outdoor fan.

When reassembling, fit the

lower hooks into the bottom

frame.

6Unfasten the 2 hooks

and release the fan

motor lead wire.

7Remove the 4 screws

and remove the fan

motor.

Screw size: M4 × 16

Step Procedure Points

Fan motor fixing plate

(R18990)

(R3249)

Lead wire Outdoor fan

(R15385)

(R19009)

Hook

Fan motor

(R18992)

Si011281E Electrical Components

Removal Procedure 5

3. 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 right side

panel.

The stop valve cover has 3

hooks.

1Remove the screw and

remove the stop valve

cover.

2Remove the 3 screws

and remove the wire

fixture.

3Remove the 7 screws

on the terminal board

and disconnect the

connecting wire and the

power supply wire.

4Remove the 2 screws

on the right side

(upper).

(R18993)

Stop valve cover

Wire fixture

Power supply wire

Connecting wire

(R18994)

(R19010)

Electrical Components Si011281E

6Removal Procedure

5Remove the 2 screws

on the right side

(lower).

6Remove the 3 screws

on the rear side.

7Unfasten the hook.

8Remove the right side

panel.

The right side panel has 2

hooks at the bottom.

Step Procedure Points

(R18995)

(R18998)

(R18996)

Right side panel

(R15171)

Si011281E Electrical Components

Removal Procedure 7

2. Remove the electrical

component ASSY.

Compressor motor capacitor

(C1)

1Pull out all the 3

terminals from the

compressor motor

capacitor (C1).

2Pull out the terminal

(white: 3_lower) from

the terminal board

(X1M).

3Remove the screw and

remove the electrical

component ASSY.

Step Procedure Points

Compressor motor capacitor

Terminal board (R18997)

white, 3 lower

(R19151)

(R19011)

to compressor (S): red

to compressor (R): blue

to terminal board

(2_upper): blue

Electrical component ASSY

(R18999)

(R19000)

Compressor motor capacitor

Terminal

board

Fan motor capacitor

Capillary Tube Si011281E

8Removal Procedure

4. Capillary Tube

Warning Be sure to wait for 10 minutes or more after turning off all power supplies before

disassembling work.

Be careful not to get yourself burnt with the pipes and other parts that are heated by

the gas brazing machine.

If the refrigerant gas leaks during work, ventilate the room. (If the refrigerant gas is

exposed to flames, toxic gas may be generated.)

Caution From the viewpoint of global environment protection, do not discharge the refrigerant

gas in the atmosphere. Make sure to collect all the refrigerant gas.

Cautions for restoration

1. Restore the piping by non-oxidation brazing.

2. It is required to prevent the carbonization of the oil inside the four way valve and the

deterioration of the gaskets affected by heat. (Keep below 120°C (248°F).) For the sake of

this, wrap the four way valve with wet cloth and provide water so that the cloth does not

dry.

Note Before working, make sure that the refrigerant gas is empty in the circuit.

Be sure to apply nitrogen replacement when heating up the brazed part.

Do not use a metal saw for cutting pipes by all means because the sawdust comes into

the circuit.

When withdrawing the pipes, be careful not to pinch them firmly with pliers. The pipes

may get deformed.

Provide a protective sheet or a steel plate so that the brazing flame cannot influence

peripheries.

Be careful so as not to burn the compressor terminals, the name plate, the outdoor

heat exchanger fin.

In case of difficulty with gas brazing machine

1. Disconnect the brazed part where is easy to disconnect and restore.

2. Cut pipes on the main unit with a tube cutter in order to make it easy to disconnect.

Step Procedure Points

1Cut the 2 clamps.

(R19001)

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