Daikin R24LV2S User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
6.0 kW Class
24000/28000 Class
Outdoor Unit
Non-Inverter
Pair Type
Si011196

Service Manual
Removal Procedure
Outdoor Unit
Applicable Models
zCooling Only
R24LV2S
R28LV2S
RE24NV2S
AR24KV2S
R60HV1
R60HV14
R60JV1V
R60MV16

Si011196
Removal Procedure 1
Table of Contents
1. Removal of Outer Panels ........................................................................2
2. Removal of Outdoor Fan / Fan Motor .....................................................5
3. Removal of Electrical Component ASSY ................................................7
4. Removal of Sound Blankets..................................................................11
5. Removal of Capillary Tube (Pattern 1)..................................................12
6. Removal of Capillary Tube (Pattern 2)..................................................13
7. Removal of Compressor ASSY.............................................................14
Note: The illustrations may be slightly different depending on the model.

Removal of Outer Panels Si011196
2Removal Procedure
1. Removal of Outer Panels
Procedure 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 top panel.
1 Remove the 8 screws
of the top panel.
Piping may be slightly
different from the
illustrations.
2 Pull the suction grille to
unfasten the hook.
Take care not to cut your
finger by the fins of the
outdoor heat exchanger.
3 Lift up and remove the
top panel.
Top panel
(R5423)
(R5424)
Suction
grille
(R5425)
(R5426)

Si011196 Removal of Outer Panels
Removal Procedure 3
4 Unfasten the hooks with
a flat screwdriver and
remove the suction
grille.
2. Remove the front panel
(2).
1 Remove the screw and
remove the front panel
(2).
When reassembling, fit the 5
hooks.
3. Remove the piping cover
(front).
1 Remove the screw and
remove the piping cover
(front).
Step Procedure Points
Hook
(R5427)
Front
panel
(2)
(R12807)
(R12808)
Piping cover
(front)
Hook Hook
(R13234)

Removal of Outer Panels Si011196
4Removal Procedure
4. Remove the front panel
(1).
1 Remove the 6 screws
and remove the front
panel (1).
Step Procedure Points
Front panel (1)
(R12810)
(R17188)
(R8322)

Si011196 Removal of Outdoor Fan / Fan Motor
Removal Procedure 5
2. Removal of Outdoor Fan / Fan Motor
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1 Disconnect the relay
connector for the fan
motor.
Preparation
Remove the front panel
according to the "Removal of
Outer Panels".
2 Unfasten the hook with
a flat screwdriver.
Put the fan motor lead wire
through the back of the fan
motor when reassembling so
as not to be entangled with
the outdoor fan.
3 Release the fan motor
lead wire from the
partition plate.
(R16366)
Hook
(R5436)
(R3249)
Lead wire Outdoor fan
(R12812)
Partition plate

Removal of Outdoor Fan / Fan Motor Si011196
6Removal Procedure
4 Remove the nut and
remove the outdoor fan.
Nut size: M8
When reassembling, fit the
D-cuts of the lock washer
and the shaft of fan motor.
5 Remove the 4 screws
and remove the fan
motor.
Be sure to remove the lower
screws first. If the upper
screws are removed first, the
fan motor may tilt or fall
because the center of its
gravity is toward the front.
It may cause injuries.
Screw size : M5 × 16
Step Procedure Points
Lock washer
Nut
(R15404)
13 mm
(R17450)
(R12834)
D-cut
D-cut
Lock washer
(R12835)
(R5439)

Si011196 Removal of Electrical Component ASSY
Removal Procedure 7
3. Removal of Electrical Component ASSY
Procedure 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 side panel. Preparation
Remove the top panel, front
panel (1) (2), and piping
cover (front) according to the
"Removal of Outer Panels".
1 Remove the 9 screws
and remove the right
side panel.
Right side
panel
(R15402)
(R16367)
Hook
(R5442)

Removal of Electrical Component ASSY Si011196
8Removal Procedure
2. Remove the electrical
component ASSY.
1 Disconnect the 2
terminals from the fan
motor capacitor (C2R).
2 Detach the outdoor
temperature sensor.
Remove the sensor fixing
plate.
3 Disconnect the
terminals of the outdoor
temperature thermostat
(S1T).
Step Procedure Points
(R16368)
White
Red
Fan motor capacitor (C2R)
(R12813)
Outdoor
temperature
sensor
(R12814)
(R17451)
(R16369)
Outdoor
temperature
thermostat
(S1T)
to X1A: orange
to X1A: black
S1T
(R15472)
L
H
C
to K1M(4): white

Si011196 Removal of Electrical Component ASSY
Removal Procedure 9
4 Remove the left screw
and remove the outdoor
temperature
thermostat.
If it is difficult to remove the
outdoor temperature
thermostat, loosen the right
screw.
5 Disconnect the
terminals from the
compressor capacitor
(C1R).
Compressor capacitor (C1R)
6 Cut the 3 clamps. Compressor lead wire
S: yellow
C: blue
R: red
7 Cut the clamp on the
rear side.
Step Procedure Points
(R15486)
Compressor capacitor (R16370)
to magnetic contactor
K1M (6): red
(R17467)
to compressor
(R terminal): red
to compressor
(S terminal): yellow
(R16371)
(R12819)
S
RC
(R17191)

Removal of Electrical Component ASSY Si011196
10 Removal Procedure
8 Disconnect the blue
terminal: K1M (2).
9 Lift the electrical
component ASSY to
unfasten the 2 hooks
and remove it.
Step Procedure Points
(R16372)
Blue
(R16373)
Electrical
component ASSY

Si011196 Removal of Sound Blankets
Removal Procedure 11
4. Removal of Sound Blankets
Procedure 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 sound
blanket (top).
Preparation
Remove the electrical
component ASSY according
to the "Removal of Electrical
Component ASSY".
Since the piping ports on the
sound blanket are torn
easily, remove the blanket
carefully.
2 Remove the sound
blanket (body).
Sound blanket
(top)
(R16241)
Sound blanket (body)
(R17442)

Removal of Capillary Tube (Pattern 1) Si011196
12 Removal Procedure
5. Removal of Capillary Tube (Pattern 1)
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
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.
Warning
Be careful not to get yourself
burnt with the pipes and other
parts that are heated by the
gas brazing machine.
Warning
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. Avoid excessive heating.
(Keep below 120°C)
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.
1 Heat up the 2 brazed
parts and remove the
capillary tube.
Note:
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 heat exchanger fin.
Brazed part
(R16249)
Brazed part
(R16250)

Si011196 Removal of Capillary Tube (Pattern 2)
Removal Procedure 13
6. Removal of Capillary Tube (Pattern 2)
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
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.
Warning
Be careful not to get yourself
burnt with the pipes and other
parts that are heated by the
gas brazing machine.
Warning
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. Avoid excessive heating.
(Keep below 120°C)
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.
1 Remove the putty.
Heat up the 2 brazed
parts and remove the
capillary tube.
Note:
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 heat exchanger fin.
Putty
Brazed part
Capillary tube
(R16252)
Brazed part
(R16251)

Removal of Compressor ASSY Si011196
14 Removal Procedure
7. Removal of Compressor ASSY
Procedure 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.
2 Disconnect the
compressor lead wires.
Be careful so as not to burn
the compressor terminals or
the name plate.
S: yellow
C: blue
R: red
3 Remove the gasket.
Terminal cover
(R5455)(R5455)
Terminal
cover
fixture
(R5456)
Yellow (S)
Blue (C)
Red (R)
(R5457)
(R12819)
S
RC
Gasket
(R5458)

Si011196 Removal of Compressor ASSY
Removal Procedure 15
4 Remove the 4 nuts of
the compressor. Warning
Be careful not to get yourself
burnt with the pipes and other
parts that are heated by the
gas brazing machine.
Warning
If the refrigerant gas leaks
during work, ventilate the
room. (If the refrigerant gas is
exposed to flames, toxic gas
may be generated.)
Warning
Since it may happen that the
refrigerant oil in the
compressor catches fire,
prepare wet cloth so as to
extinguish fire immediately.
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. Avoid excessive heating.
(Keep below 120°C)
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.
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.
5 Heat up the brazed part
of the discharge side
and disconnect.
6 Heat up the brazed part
of the suction side and
disconnect.
7 Lift the compressor
ASSY up and remove it.
Note:
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 heat exchanger fin.
Step Procedure Points
(R12888)
Discharge
pipe
(R5460)
Suction
pipe
Compressor
ASSY
(R15473)

Revision History
Month / Year Version Revised contents
08/2012 Si011196 First edition

Head Office:
Umeda Center Bldg., 2-4-12, Nakazaki-Nishi,
Kita-ku, Osaka, 530-8323 Japan
Tokyo Office:
JR Shinagawa East Bldg., 2-18-1, Konan,
Minato-ku, Tokyo, 108-0075 Japan
http://www.daikin.com/global_ac/
All rights reserved
c
Warning
zDaikin products are manufactured for export to numerous countries throughout the world. Prior to
purchase, please confirm with your local authorised importer, distributor and/or retailer whether this
product conforms to the applicable standards, and is suitable for use, in the region where the product
will be used. This statement does not purport to exclude, restrict or modify the application of any local
legislation.
zAsk a qualified installer or contractor to install this product. Do not try to install the product yourself.
Improper installation can result in water or refrigerant leakage, electrical shock, fire or explosion.
zUse only those parts and accessories supplied or specified by Daikin. Ask a qualified installer or
contractor to install those parts and accessories. Use of unauthorised parts and accessories or
improper installation of parts and accessories can result in water or refrigerant leakage, electrical
shock, fire or explosion.
zRead the User's Manual carefully before using this product. The User's Manual provides important
safety instructions and warnings. Be sure to follow these instructions and warnings.
If you have any enquiries, please contact your local importer, distributor and/or retailer.
Cautions on product corrosion
1. Air conditioners should not be installed in areas where corrosive gases, such as acid gas or alkaline gas, are produced.
2. If the outdoor unit is to be installed close to the sea shore, direct exposure to the sea breeze should be avoided. If you need to install
the outdoor unit close to the sea shore, contact your local distributor.
Dealer
z
Specifications, designs and other content appearing in this brochure are current as of August 2012 but subject to change without notice.
Si011196
08/2012 AK.B