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Daikin RX18NMVJU - Service Manual

Daikin RX18NMVJU
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REMOVAL
PROCEDURE
SERVICE MANUAL
Outdoor Unit
Inverter
Pair Type
15000/18000/24000 Btu/h Class
Si001555EC

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Summary

Outer Panels

Top Panel Removal

Procedure to remove the top panel of the outdoor unit by unscrewing it.

Front Panel Removal

Procedure to remove the front panel of the outdoor unit by unscrewing it.

Discharge Grille Removal

Procedure to remove the discharge grille from the outdoor unit by unfastening hooks.

Outdoor Fan; Fan Motor

Outdoor Fan Removal

Remove the outdoor fan by loosening the retaining nut.

Fan Motor Removal

Remove the fan motor by unscrewing its mounting screws.

Electrical Box

Terminal Board Wiring Disconnection

Disconnect connecting and power supply wires from the terminal board.

Conduit Mounting Plate Removal

Remove the conduit mounting plate after loosening nuts.

Electrical Box Component Disconnection

Disconnect various electrical components like connectors and clamps.

Electrical Box Removal

Remove the main electrical box after disconnecting its relay connector.

PCB

Terminal Board and Ground Screw Removal

Remove screws securing the terminal board and earth/ground.

Relay Harness Release

Release the relay harness by cutting and pulling clamps.

PCB Removal

Remove the Printed Circuit Board (PCB) after unfastening screws and hooks.

Thermistor ASSY; Partition Plate

Right Side Panel Removal

Remove the right side panel by unscrewing covers and panels.

Thermistor Removal

Remove outdoor heat exchanger and discharge pipe thermistors.

Partition Plate Removal

Remove the partition plate by unscrewing it.

Sound Blankets

Back Sound Blanket Removal

Remove the sound blanket from the back of the unit.

Top Sound Blanket Removal

Remove the sound blanket from the top of the unit.

Outer Sound Blanket Removal

Open and pull up the outer sound blanket.

Inner Sound Blanket Removal

Remove the sound blanket from the inner part of the unit.

Electronic Expansion Valve; Four Way Valve

Electronic Expansion Valve Coil Removal

Pull out the electronic expansion valve coil.

Four Way Valve Coil Removal

Remove the four way valve coil by unscrewing it.

Four Way Valve Removal

Heat and remove the four way valve.

Compressor

Compressor Terminal Cover and Bushing Removal

Remove the terminal cover and protection bushing.

Compressor Lead Wire Disconnection

Disconnect compressor lead wires and overload protector.

Compressor Removal

Lift and remove the compressor after removing nuts.

Summary

Outer Panels

Top Panel Removal

Procedure to remove the top panel of the outdoor unit by unscrewing it.

Front Panel Removal

Procedure to remove the front panel of the outdoor unit by unscrewing it.

Discharge Grille Removal

Procedure to remove the discharge grille from the outdoor unit by unfastening hooks.

Outdoor Fan; Fan Motor

Outdoor Fan Removal

Remove the outdoor fan by loosening the retaining nut.

Fan Motor Removal

Remove the fan motor by unscrewing its mounting screws.

Electrical Box

Terminal Board Wiring Disconnection

Disconnect connecting and power supply wires from the terminal board.

Conduit Mounting Plate Removal

Remove the conduit mounting plate after loosening nuts.

Electrical Box Component Disconnection

Disconnect various electrical components like connectors and clamps.

Electrical Box Removal

Remove the main electrical box after disconnecting its relay connector.

PCB

Terminal Board and Ground Screw Removal

Remove screws securing the terminal board and earth/ground.

Relay Harness Release

Release the relay harness by cutting and pulling clamps.

PCB Removal

Remove the Printed Circuit Board (PCB) after unfastening screws and hooks.

Thermistor ASSY; Partition Plate

Right Side Panel Removal

Remove the right side panel by unscrewing covers and panels.

Thermistor Removal

Remove outdoor heat exchanger and discharge pipe thermistors.

Partition Plate Removal

Remove the partition plate by unscrewing it.

Sound Blankets

Back Sound Blanket Removal

Remove the sound blanket from the back of the unit.

Top Sound Blanket Removal

Remove the sound blanket from the top of the unit.

Outer Sound Blanket Removal

Open and pull up the outer sound blanket.

Inner Sound Blanket Removal

Remove the sound blanket from the inner part of the unit.

Electronic Expansion Valve; Four Way Valve

Electronic Expansion Valve Coil Removal

Pull out the electronic expansion valve coil.

Four Way Valve Coil Removal

Remove the four way valve coil by unscrewing it.

Four Way Valve Removal

Heat and remove the four way valve.

Compressor

Compressor Terminal Cover and Bushing Removal

Remove the terminal cover and protection bushing.

Compressor Lead Wire Disconnection

Disconnect compressor lead wires and overload protector.

Compressor Removal

Lift and remove the compressor after removing nuts.

Daikin RX18NMVJU Specifications

General IconGeneral
BrandDaikin
ModelRX18NMVJU
CategoryAir Conditioner
LanguageEnglish

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