EnglishFrançaisEspañolMODELSRX09NMVJURX12NMVJURX18NMVJURX24NMVJURXN09NMVJURXN12NMVJURXN18NMVJURXN24NMVJURK09NMVJURK12NMVJURK18NMVJURK24NMVJURKN09NMVJURKN12NMVJURKN18NMVJURKN24NMVJURXL09QMVJURXL12QMVJURXL12QMVJU9RXL15QMVJUDAIKIN ROOM AIR CONDITIONERINSTALLATION MANUALR410A Split SeriesInstallation manualManuel dinstallationManual de instalaciónManuel dinstallation

Daikin RX12NMVJU Installation Manual

Power Supply

Functions

Specifications

Heat Pump

Dimensions

Outdoor Unit

Wiring Diagrams

Piping Diagrams

Capacity Tables

Operation Limit

Sound Level

Indoor Unit

Electric Characteristics

Installation Manual

Operation Manual

Optional Accessories

BRC944B2> Wired Remote Controller

preparation before operation

adjusting airflow direction

timer operation

daily timer

KRC72A> Centralized Control Board-Up to 5 Rooms

KRP413AB1S> Wiring Adaptor for Timer Clock / Remote Controller

KRP067A41> Interface Adaptor for Residential Air Conditioner

KRP980B2> Interface Adaptor for Residential Air Conditioner

KPW937E4> Air Direction Adjustment Grille

KPW063A4> Air Direction Adjustment Grille

RK09NMVJU

safety cautions

Part 1 List of Functions

Part 2 Specifications

Part 3 Printed Circuit Board Connector Wiring Diagram

Class

RXN18NMVJU, RK(X)18NMVJU, 24 class

Part 4 Function and Control

Main Functions

Airflow Direction Control

Fan Speed Control for Indoor Unit

Program Dry Operation

Automatic Operation

Thermostat Control

NIGHT SET Mode

Inverter POWERFUL Operation

Other Functions

Function of Thermistor

Control Specification

Frequency Control

Controls at Mode Changing / Start-up

compressor protection function

Discharge Pipe Temperature Control

Input Current Control

Freeze-up Protection Control

Outdoor Fan Control

Defrost Control

Electronic Expansion Valve Control

pressure equalizing control

Malfunctions

Part 5 Remote Controller

Cooling Only

Part 6 Service Diagnosis

General Problem Symptoms and Check Items

Troubleshooting with LED

Service Diagnosis

Troubleshooting

Indoor Unit PCB Abnormality

Freeze-up Protection Control / Heating Peak-cut Control

Fan Motor (DC Motor) or Related Abnormality

Thermistor or Related Abnormality (Indoor Unit)

Low-voltage Detection or Over-voltage Detection

Signal Transmission Error (between Indoor Unit and Outdoor Unit)

Unspecified Voltage (Between Indoor Unit and Outdoor Unit)

Outdoor Unit PCB Abnormality

OL Activation (Compressor Overload)

Compressor Lock

DC Fan Lock

Input Overcurrent Detection

Four Way Valve Abnormality

High Pressure Control in Cooling

Compressor System Sensor Abnormality

Position Sensor Abnormality

Thermistor or Related Abnormality (Outdoor Unit)

Electrical Box Temperature Rise

Radiation Fin Temperature Rise

Output Overcurrent Detection

Check

Fan Motor Connector Output Check

Power Supply Waveforms Check

Four Way Valve Performance Check

Inverter Analyzer Check

Rotation Pulse Check on the Outdoor Unit PCB

Installation Condition Check

Outdoor Fan System Check

Power Module Check

Part 7 Trial Operation and Field Settings

Tips for Servicing

Trial Operation

Field Settings

When 2 Units are Installed in 1 Room

Facility Setting Switch (cooling at low outdoor temperature Only for RK(X) series)