Daikin 2AMK40FV1B Manual de usuario
REMOVAL
PROCEDURE
SERVICE MANUAL
4.0/5.0 kW Class
Outdoor Unit
Inverter
Multi Type
Si12-891
Service Manual
Removal Procedure
Outdoor Unit
zCooling Only zHeat Pump
2AMK40FV1B 2AMX40F2V1B
2AMK50FV1B 2AMX50F2V1B
2AMX40FV1B
2MKS40FV1B 2AMX50FV1B
2MKS50FV1B
2MXS40FV1B
2MKS40G2V1B 2MXS50FV1B
2MKS50G2V1B
2MKS40GV1B 2MXS40G2V1B
2MKS50GV1B 2MXS50G2V1B
2MXS40GV1B
2MXS50GV1B
2MXS50GVLT
Si12-891
Removal Procedure 1
Table of Contents
1. Removal of Outer Panels ........................................................................2
2. Removal of Electrical Box .......................................................................4
3. Removal of PCB......................................................................................9
4. Removal of Sound Blankets..................................................................14
5. Removal of Outdoor Fan / Fan Motor ...................................................16
6. Removal of Thermistors ........................................................................19
7. Removal of Four Way Valve / Outdoor Electronic Expansion Valves ...21
8. Removal of Compressor .......................................................................24
Note: The illustrations may be slightly different depending on the model.
The illustrations are for heat pump models as representative.
Removal of Outer Panels Si12-891
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
1External appearance
2Remove the 2 screws
and remove the top
panel.
The front panel has 4 hooks.
3Remove the 8 screws
and remove the front
panel.
(R7570)
Room A
Room B
}
Liquid side
Gas side
(R7571)
(R12527)
Top panel
Hooks
Discharge grille Front panel
Hooks
Si12-891 Removal of Outer Panels
Removal Procedure 3
4Remove the 4 screws
and remove the
discharge grille.
When reassembling, make
sure to fit the 4 hooks.
5Remove the 2 screws
and remove the stop
valve cover.
When reassembling, make
sure to fit the 4 hooks.
Step Procedure Points
(R12767)
(R7699)
Stop
valve
cover
(R7701)
Removal of Electrical Box Si12-891
4Removal Procedure
2. Removal of Electrical Box
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
connecting wires.
When reassembling, fasten
the wires with screws on the
terminal board.
1Remove the 2 screws
of earth wires.
Remove the 2 screws
and remove the wiring
fixture.
Then remove all the
screws to disconnect
the power supply
cables and the
connecting wires.
2. Remove the electrical
box.
1Release the outdoor
temperature thermistor.
2Lift up the guard net
and remove it.
44P
Room A Room B
Power supply
(R7573)
Screw of
earth wire
Wiring
fixture
(R7208)
Outdoor temperature thermistor
Guard net
(R7209)
Si12-891 Removal of Electrical Box
Removal Procedure 5
3Disconnect the
connector for the fan
motor [S70].
4Release the fan motor
lead wire.
5Disconnect the
connector for the gas
pipe thermistor [S91]
and for the liquid pipe
thermistor [S92].
[S91]: gas pipe thermistor
(white)
[S92]: liquid pipe thermistor
(red)
6Disconnect the
connector for the
overload protector
[S40].
[S40]: overload protector
Step Procedure Points
[S70]
(R12529)
(R7579)
[S92] [S91]
(R12530)
[S40]
(R12531)
Removal of Electrical Box Si12-891
6Removal Procedure
7Disconnect the
connectors [S20],
[S21], [S80].
The cooling only models do
not have the harness for
[S80].
[S20]: outdoor electronic
expansion valve coil for
room A (white)
[S21]: outdoor electronic
expansion valve coil for
room B (red)
[S80]: four way valve coil
8Pull out the clamp from
the electrical box.
The clamp is push-mount
type.
9Disconnect the relay
connector for the
compressor.
10 Disconnect the 2
connectors for the
reactor.
Step Procedure Points
[S20] [S21] [S80]
(R12532)
(R7583)
(R12533)
(R12534)
Si12-891 Removal of Electrical Box
Removal Procedure 7
11 Release the discharge
pipe thermistor.
Meet the edge of the
thermistor and the clip.
Be careful not to lose the clip
for the thermistor.
12 Disconnect the
connector for the
thermistors [S90].
[S90]: thermistors (outdoor
temperature, outdoor
heat exchanger,
discharge pipe)
13 Detach the clamp for
the thermistors from the
electrical box.
14 Remove the screw on
the right side of the
electrical box.
Step Procedure Points
Discharge pipe thermistor
(R12535)
[S90]
(R7587)
Clamp
(R12771)
(R12536)
Removal of Electrical Box Si12-891
8Removal Procedure
15 Loosen the screw in
front of the electrical
box.
16 Lift and remove the
electrical box.
Step Procedure Points
(R7590)
(R12537)
Este manual sirve para los siguientes modelos
18
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