Daikin R24GV2S User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Outdoor Unit
Non-Inverter
Pair Type
6.0 kW Class
24000/28000 Btu/h Class
Si01-782

Service Manual
Removal Procedure
Outdoor Unit
zCooling Only
R24GV2S
R28GV2S
RD60FV1K

Si01-782
Removal Procedure 1
Table of Contents
1. Removal of Outer Panels ........................................................................2
2. Removal of Fan Motor / Outdoor Fan .....................................................5
3. Removal of Electrical Components ASSY ..............................................7
4. Removal of Sound Blankets..................................................................11
5. Removal of Compressor .......................................................................12
Note: The illustrations may be slightly different depending on the model.

Removal of Outer Panels Si01-782
2Removal Procedure
1. Removal of Outer Panels
Procedure Warning Be sure to wait 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.
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)
(R5425)
Suction
grille
(R5426)

Si01-782 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)
(R12807)
Front
panel
(2)
(R12808)
Hook Hook
Piping cover
(front)
(R13234)

Removal of Outer Panels Si01-782
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)
(R5432)
(R8322)

Si01-782 Removal of Fan Motor / Outdoor Fan
Removal Procedure 5
2. Removal of Fan Motor / Outdoor Fan
Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies
before disassembling work.
Step Procedure Points
1. Disconnect the each wire
harness.
Preparation
Remove the front panel
according to the "Removal of
the Outer Panels".
1 Loosen the 5 screws of
the terminal board.
2 Disconnect the 2
terminals for the fan
motor capacitor.
3 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.
4 Release the fan motor
lead wire from the
partition plate.
(R6739)
Terminal Board
(R6740)
Fan motor capacitor
(R5436)
Hook
(R3249)
Lead wire Outdoor fan
Partition
plate
(R5437)

Removal of Fan Motor / Outdoor Fan Si01-782
6Removal Procedure
2. Remove the outdoor fan. Nut size : M8
When reassembling, fit the
D-cuts of the lock washer
and the shaft of fan motor.
1 Remove the nut and
remove the outdoor fan.
3. 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.
1 Remove the 4 screws
and remove the fan
motor.
Step Procedure Points
Lock washer
(R5438)
13 mm
(R12301)
(R12834)
D-cut
D-cut
Lock washer
(R12835)
(R5439)

Si01-782 Removal of Electrical Components ASSY
Removal Procedure 7
3. Removal of Electrical Components ASSY
Procedure Warning Be sure to wait 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 side
panel.
Side panel
(R5440)
(R8333)
Side panel
(R5442)
Hook

Removal of Electrical Components ASSY Si01-782
8Removal Procedure
2. Remove the outdoor
temperature thermostat.
Remove the sensor fixing
plate.
1 Detach the outdoor
temperature sensor.
2 Disconnect the flag
shape terminals of the
outdoor air thermostat.
3
4
Loosen the screw and
remove the main unit of
the outdoor air
thermostat.
Remove the outdoor air
thermostat.
Step Procedure Points
(R12813)
Outdoor
temperature
sensor
(R12814)
(R6744)
Outdoor air
thermostat
(R6745)

Si01-782 Removal of Electrical Components ASSY
Removal Procedure 9
3. Remove the capacitor.
1 Disconnect the
terminals from the
capacitor.
4. Disconnect the each wire
harness.
1 Cut the clamp.
2 Disconnect the blue
terminal.
3 Detach the clamp for
the compressor lead
wire (rear side).
Step Procedure Points
Capacitor (R6746)
(R6747)
(R6748)
Blue
(R6749)

Removal of Electrical Components ASSY Si01-782
10 Removal Procedure
5. Remove the electrical
components ASSY.
1 Lift the electrical
components ASSY to
unfasten the 2 hooks
and remove it.
Step Procedure Points
(R6750)
Electrical
components ASSY

Si01-782 Removal of Sound Blankets
Removal Procedure 11
4. Removal of Sound Blankets
Procedure Warning Be sure to wait 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 box
according to the "Removal of
Electrical Components
ASSY".
Since the piping ports on the
sound blanket are torn
easily, remove the blanket
carefully.
2 Remove the sound
blanket (body).
(R12818)
Sound blanket
(top)
Sound blanket (body)
(R5454)

Removal of Compressor Si01-782
12 Removal Procedure
5. Removal of Compressor
Procedure Warning Be sure to wait 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.
(R5455)
Terminal cover
Terminal cover
fixture
(R5456)
(R5457)
Yellow (S)
Blue (C)
Red (R)
(R12819)
S
RC
Gasket
(
R5458
)

Si01-782 Removal of Compressor
Removal Procedure 13
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. 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.) For the sake
of this, wrap the four way
valve with wet cloth and
provide water so that the
cloth does not dry.
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 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.
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)
(R5460)
Discharge
pipe
Suction
pipe
(R5461)

Revision History
Month / Year Version Revised contents
07 / 2013 Si01-782 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 July 2013 but subject to change without notice.
Si01-782
07/2013 AK.B