LG LS-K1863HL Service Manual ▷ View online
Warning :
Disconnect the unit from power supply before making
any checks.
Be sure the power switch is set to “OFF”.
any checks.
Be sure the power switch is set to “OFF”.
To remove the Grille from the Chassis
• Set the up-and-down air discharge louver to open
• Set the up-and-down air discharge louver to open
position (horizontally) by finger pressure.
• Remove the securing screws
• To remove the Grille, pull the lower left and right side
• To remove the Grille, pull the lower left and right side
of the grille toward you (slightly tilted) and lift it
straight upward.
straight upward.
To remove the Grille from the Chassis
• Remove the cover control
• Remove the cover control
➀
from the grille
➁
.
• Separate the black lead wire from the white
connector.
• Remove screws secured (
➂
3 EA).
• Pull the grille
➁
out from the chassis carefully.
1. To remove the sensor, housing connect, earth
conductor & step motor conductor with sensor
holder, Motor, Evaporator & P.C.B.
holder, Motor, Evaporator & P.C.B.
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■
LS-K2424/1864/2466/2666/2467/2468HL/HM/HN/BL/EL
Screw
(3EA)
(3EA)
Power
Conductor
Conductor
Step Motor
Conductor
Conductor
Earth
Conductor
Conductor
Motor
Conductor
Conductor
Sensor
Conductor
Conductor
BLACK
WHITE
1
3
2
2. To remove the Control Box.
• Remove 2 securing screws.
• Pull the control box out from the chassis carefully.
• Pull the control box out from the chassis carefully.
3. To remove the Discharge Grille.
• Remove the securing screw.
• Pressing the right side of the discharge grille
• Pressing the right side of the discharge grille
downward slightly, unhook the discharge grille.
• Pull the discharge grille out from the chassis
carefully.
4. To remove the Evaporator.
• Remove 3 screws securing the evaporator(at the
left 1EA, at the right 2EA).
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• Unhook the tab on the right inside of the chassis
at the same time, slightly pull the evaporator
toward you until the tab is clear of the slot.
toward you until the tab is clear of the slot.
5. To remove the Cross-Flow Fan
• Loosen the screw securing the cross-flow fan to
the fan motor (do not remove).
• Lift up the right side of the cross-flow fan and the
fan motor, separate the fan motor from the
cross-flow fan.
cross-flow fan.
• Remove the left end of the cross-flow fan from
the self-aligning bearing.
- 44 -
- 45 -
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 vacuum
pump)
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)
1.
2.
3.
4.
5.
6.
To outdoor unit
Hexagonal wrench (4mm)
Open position
Closed position
Closed position
To
piping
connection
piping
connection
Flare nut
Valve cap
Open position
Closed position
Closed position
Pin
Service
port
port
Service
port cap
port cap
To outdoor unit
Flare nut
To
piping
connection
piping
connection
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