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Daikin RK18NMVJU Service Manual

Daikin RK18NMVJU
27 pages
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REMOVAL
PROCEDURE
SERVICE MANUAL
Outdoor Unit
Inverter
Pair Type
15000/18000/24000 Btu/h Class
Si001555EC

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Daikin RK18NMVJU Specifications

General IconGeneral
BrandDaikin
ModelRK18NMVJU
CategoryAir Conditioner
LanguageEnglish

Summary

Outer Panels

Outer Panel Components Removal

Detach and remove the top panel, front panel, and discharge grille from the outdoor unit.

Outdoor Fan / Fan Motor

Fan Motor Electrical Connections

Disconnect fan motor wiring, covers, and clamps for safe removal.

Outdoor Fan and Motor Assembly Removal

Remove the outdoor fan, its fixing frame, and the fan motor assembly.

Electrical Box

Electrical Box Wiring Disconnection

Remove terminal board, conduits, and disconnect various internal electrical connectors.

Electrical Box Unit Removal

Disconnect remaining connectors and remove the main electrical box unit.

PCB

PCB Mounting and Earth Connections

Remove terminal board screws, earth/ground screws, and clamps.

PCB and Relay Harness Removal

Remove earth/ground screws, clamps, and release the relay harness.

Main PCB Unit Extraction

Unfasten hooks and remove screws to detach the main PCB unit.

Thermistor ASSY / Partition Plate

Side Panel and Cover Removal

Remove the stop valve cover and the main right side panel.

Thermistor and Partition Plate Detachment

Remove outdoor heat exchanger and discharge pipe thermistors, then the partition plate.

Sound Blankets

Outer Sound Blanket Removal

Remove the back, top, and outer sound blankets carefully.

Inner Sound Blanket Removal

Remove the inner sound blanket, following specific reassembly order.

Electronic Expansion Valve / Four Way Valve

Electronic Expansion Valve Coil Extraction

Pull out and remove the electronic expansion valve coil.

Four Way Valve and Associated Components

Remove the four way valve coil, terminal cover, protection bushing, and disconnect compressor leads.

Four Way Valve Brazing and Removal

Heat and remove the electronic expansion valve and the four way valve.

Compressor

Compressor Electrical Interfaces

Remove terminal cover, protection bushing, and disconnect compressor lead wires.

Compressor Pipe Disconnection and Unit Removal

Heat and disconnect pipes, remove nuts, and lift out the compressor unit.

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