LG Electronics LSU240HE, LSN090CE, LSU120CE, LSU090HE Way, 3-way Valve, Way Valve Liquid Side

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