Troubleshooting Guide

2-way,3-wayValve

2-way Valve (Liquid Side)

3-way Valve (Gas Side)

 

 

Valve cap

 

Hexagonal wrench (4mm)

 

Open position

Flare nut

Flare nut

Closed position

Open position

 

 

Pin

Closed position

 

 

 

 

 

To

To

 

 

piping

piping

Service

Service

connection

connection

port cap

port

 

 

To outdoor unit

To outdoor unit

 

 

Works

Shaft position

Shaft position

Service port

 

 

 

 

 

 

Shipping

Closed

Closed

Closed

 

(with valve cap)

(with valve cap)

(with cap)

 

 

 

 

 

 

 

 

Air purging

Open

Closed

Open

1.

(Installation)

(counter-clockwise)

(clockwise)

(push-pin or with

 

 

 

 

vacumm pump)

 

 

 

 

 

 

Operation

Open

Open

Closed

 

(with valve cap)

(with valve cap)

(with cap)

 

 

 

 

 

 

 

 

Pumping down

Closed

Open

Open

2.

(clockwise)

(counter-clockwise)

(connected manifold

(Transfering)

 

 

 

gauge)

 

 

 

 

 

 

 

 

 

 

Evacuation

Open

Open

Open

3.

 

 

(with charging

(Servicing)

 

 

 

 

 

 

cylinder)

 

 

 

 

 

 

Gas charging

Open

Open

Open

4.

(Servicing)

 

 

(with charging

 

 

 

 

cylinder)

 

 

 

 

 

 

Pressure check

 

 

Open

5.

Open

Open

(with charging

(Servicing)

cylinder)

 

 

 

 

 

 

Gas releasing

 

 

Open

6.

Open

Open

(with charging

(Servicing)

cylinder)

 

 

 

 

 

 

 

 

Service Manual 45

Page 45
Image 45
LG Electronics LSU090CE, LSN090CE, LSU120CE, LSU090HE, LSN180CE, LSN120HE, LSN120CE Way, 3-way Valve, Way Valve Liquid Side