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LG Multi V ARNU423NKA2 - User Manual

LG Multi V ARNU423NKA2
9 pages
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Multi V Air Conditioner
SVC MANUAL(Exploded View)
MODEL : ARNU183NJA2
ARNU243NJA2
ARNU303NJA2
ARNU363NJA2
ARNU423NKA2
ARNU483NKA2
ARNU543NKA2
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
Internal Use Only
http://biz.lgservice.com
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LG Multi V ARNU423NKA2 Specifications

General IconGeneral
BrandLG
ModelMulti V ARNU423NKA2
CategoryAir Conditioner
LanguageEnglish

Summary

Specification

Cooling Capacity

Specifies cooling performance in kW, kcal/h, and Btu/h for different models.

Heating Capacity

Specifies heating performance in kW, kcal/h, and Btu/h for different models.

Casing and Dimensions

Details casing material and physical dimensions (WxDxH) in mm and inches.

Fan Specifications

Covers fan type, motor output, airflow rates (CMM/CFM) at different ESP levels.

Pipe Connections

Lists diameters for liquid, gas, and drain pipes in mm and inches.

Noise Level

Provides noise levels (dB) measured at 1.5m for different fan speeds.

List of Functions

Air Flow Functions

Details air supply outlet, direction control, auto swing, and airflow steps.

Air Purifying Functions

Lists functions like Deodorizing filter, Plasma air purifier, and Prefilter.

Installation Functions

Covers E.S.P. control, Electric heater, High ceiling, and Hot start operations.

Reliability Features

Includes Self diagnosis, Soft dry operation, and Auto changeover capabilities.

Convenience Functions

Encompasses Auto cleaning, Auto operation, Auto restart, and Child lock features.

Control Functions

Lists various remote controller options and zone control.

Special Function Kits

Mentions CTIE and Electro thermostat options.

Piping Diagrams

Refrigerant Pipe Connection Port Diameter

Specifies the port diameters for gas and liquid lines based on cooling capacity.

Thermistor Locations and Descriptions

Identifies thermistor locations (Th1, Th2, Th3) and their descriptions.

Wiring Diagrams

NJ Chassis Wiring Diagram

Illustrates the wiring connections for the NJ chassis indoor unit.

NK Chassis Wiring Diagram

Illustrates the wiring connections for the NK chassis indoor unit.

PCB Connector Layout

Details the main PCB layout and its various connectors for system components.

Exploded View NJ Chassis

NJ Chassis Exploded View Diagram

Provides a visual breakdown of the NJ chassis components with part numbers.

NJ Chassis Thermistor Parts

Lists specific thermistor part numbers and their housing colors for the NJ chassis.

Exploded View NK Chassis

NK Chassis Exploded View Diagram

Provides a visual breakdown of the NK chassis components with part numbers.

NK Chassis Thermistor Parts

Lists specific thermistor part numbers and their housing colors for the NK chassis.

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