LG Multi V III Solo ARUN LM3 Series User Manual

Internal Use Only
http://biz.lgservice.com
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
Outdoor Unit
SERVICE MANUAL
(Exploded View)
MODEL : ARUN***LM3 Series
R410A
Solo - Heat Pump

LG Multi V III Solo ARUN LM3 Series Specifications

General

Brand	LG
Model	Multi V III Solo ARUN LM3 Series
Category	Heat Pump
Language	English

Summary

1. Specifications

2. Functions

3. Dimensions

4. Piping Diagrams

4.1.1 8HP (UX2 1Comp.) Cooling Operation

Diagram illustrating cooling operation for the 8HP model.

Heating Operation Diagrams

Diagrams showing the heating operation cycle of the unit.

Oil Return/Defrost Operation Diagrams

Diagrams illustrating oil return and defrost cycles.

4.1.2 10, 12HP (UX2 2Comp.) Cooling Operation

Diagrams for 10/12HP models in cooling mode.

5. Wiring Diagrams

8HP (UX2 1Comp.) Outdoor Unit Circuit

Circuit diagram for the 8HP outdoor unit.

10, 12HP (UX2 2Comp.) Outdoor Unit Circuit

Circuit diagram for 10/12HP outdoor units.

Main PCB Wiring

Detailed wiring connections for the main control board.

Noise Filter Wiring

Wiring diagram for the noise filter component.

Inverter PCB Wiring (8HP)

Wiring details for the 8HP inverter control board.

Inverter PCB Wiring (10/12HP)

Wiring details for the 10/12HP inverter control board.

FAN PCB Wiring

Wiring details for the fan control board.

6. Exploded View

6.1.1 8HP (UX2 1Comp.)

Exploded view and parts list for the 8HP heat pump model.

6.1.2 10, 12HP (UX2 2Comp.)

Exploded view and parts list for 10/12HP heat pump models.