LG LMU240HE Service Manual - Page 76

way, 3-way Valve

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2-way, 3-way Valve 2-way, 3-way Valve 2-way Valve (Liguid Side) 3-way Valve (Gas Side) Flare nut Hexagonal wrench (4mm) Open position Closed position To piping connection To outdoor unit Valve cap Flare nut Open position Closed position Pin To piping connection Service Service port cap port To outdoor unit Works Shipping Air purging 1. (Installation) Operation Pumping down 2. (Transfering) Evacuation 3. (Servicing) Gas charging 4. (Servicing) Pressure check 5. (Servicing) Gas releasing 6. (Servicing) Shaft position Closed (with valve cap) Open (counter-clockwise) Open (with valve cap) Closed (clockwise) Open Open Open Open 76 Multi type Air Conditioner Shaft position Closed (with valve cap) Closed (clockwise) Open (with valve cap) Open (counter-clockwise) Open Open Open Open Service port Closed (with cap) Open (push-pin or with vacuum pump) Closed (with cap) Open (connected manifold gauge) Open (with charging cylinder) Open (with charging cylinder) Open (with charging cylinder) Open (with charging cylinder)

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76
Multi type Air Conditioner
2-way, 3-way Valve
2-way, 3-way Valve
2-way Valve (Liguid Side)
3-way Valve (Gas Side)
Works
Shaft position
Shaft position
Service port
Shipping
Closed
Closed
Closed
(with valve cap)
(with valve cap)
(with cap)
Air purging
Open
Closed
Open
(Installation)
(counter-clockwise)
(clockwise)
(push-pin or with
vacuum pump)
Operation
Open
Open
Closed
(with valve cap)
(with valve cap)
(with cap)
Pumping down
Closed
Open
Open
(Transfering)
(clockwise)
(counter-clockwise)
(connected
manifold gauge)
Evacuation
Open
Open
Open
(Servicing)
(with charging
cylinder)
Gas charging
Open
Open
Open
(Servicing)
(with charging
cylinder)
Pressure check
Open
Open
Open
(Servicing)
(with charging
cylinder)
Gas releasing
Open
Open
Open
(Servicing)
(with charging
cylinder)
3.
2.
1.
4.
5.
6.
Flare nut
To
piping
connection
Open position
Closed position
Flare nut
Valve cap
To
piping
connection
Open position
Closed position
Hexagonal wrench
(4mm)
To outdoor unit
Pin
Service
port
Service
port cap
To outdoor unit