LG LS-T246ABL Service Manual ▷ View online
-25-
• Bundle the piping and drain hose together by wrap-
ping them with cloth tape over the range within which
they fit into the rear piping housing section.
they fit into the rear piping housing section.
8. Reroute the pipings and the drain hose across the
back of the chassis.
9. Set the pipings and the drain hose to the back of
the chassis with the tubing holder.
• Hook the edge of tubing holder to tap on chassis and
push the bottom of tubing holder to be engaged at the
bottom of chassis.
bottom of chassis.
10. Indoor unit installation
• Remove the spacer.
• Ensure that the hooks are properly seated on the
• Ensure that the hooks are properly seated on the
installation plate by moving it left and right.
Press the lower left and right sides of the unit against
the installation plate until the hooks engage into their
slots(clicking sound).
the installation plate until the hooks engage into their
slots(clicking sound).
3) Connection of the pipes-Outdoor
1. Align the center of the pipings and sufficiently
tighten the flare nut by hand.
2. Finally, tighten the flare nut with torque wrench
until the wrench clicks.
• When tightening the flare nut with torque wrench,
ensure the direction for tightening follows the arrow on
the wrench.
the wrench.
mm
inch
kg.m
Ø6.35
1/4
1.8
Ø9.52
3/8
4.2
Ø12.7
1/2
5.5
Ø15.88
5/8
6.6
Ø19.05
3/4
6.6
Outside diameter
Torque
Drain hose
Vinyl tape(narrow)
Pipe
Wrap with
vinyl tape(wide)
vinyl tape(wide)
Piping for
passage through
piping hole
passage through
piping hole
Outdoor unit
Liquid side piping
(Smaller diameter)
(Smaller diameter)
Gas side
piping
(Bigger
diameter)
piping
(Bigger
diameter)
Torque wrench
Outdoor unit
Gas side piping
(Bigger diameter)
(Bigger diameter)
Liquid side
piping
(Smaller
diameter)
piping
(Smaller
diameter)
Torque wrench
Tubing holder
Drain hose
Connecting
cable
-26-
3. Connecting The Cable Between Indoor Unit and Outdoor Unit
1) Connect the cable to the Indoor unit.
• Connect the cable to the indoor unit by connecting the wires to the terminals on the control board in
dividually according to the outdoor unit connection. (Ensure that the color of the wires of the outdoor unit and
the terminal No. are the same as those of the indoor unit.)
The earth wire should be longer than the common wires.
the terminal No. are the same as those of the indoor unit.)
The earth wire should be longer than the common wires.
Air
Conditioner
Main power source
If a power plug is not to be used, provide a circuit breaker
between power source and the unit as shown below.
between power source and the unit as shown below.
Circuit Breaker
Use a circuit
breaker or time
delay fuse.
Use a circuit
breaker or time
delay fuse.
CAUTION
CAUTION
The power cord connected to the "A" unit should be
complied with the following specifications
(Type "B" approved by HAR or SAA).
complied with the following specifications
(Type "B" approved by HAR or SAA).
7k~14k
18k
24k~28k
30k, 32k
36k, 38k
1.0
1.5
2.5
2.5
5.5
Unit(A)
Indoor
Indoor
Indoor
Outdoor
Outdoor
Cable Type(B)
H05VV-F
H05VV-F H05VV-F H05RN-F H05RN-F
NORMAL CROSS
-SECTIONAL AREA
Grade
7k~14k
18k
24k~28k
1.0
1.5
2.5
Cable Type(B) H07RN-F H07RN-F H07RN-F
NORMAL
CROSS
-SECTIONAL
AREA
Grade
30k, 32k
36k, 38k
0.75
0.75
Cable Type(B) H07RN-F H07RN-F
NORMAL CROSS
-SECTIONAL AREA
Grade
(mm
2
)
(mm
2
)
(mm
2
)
The power connecting cable connected to the indoor
and outdoor unit should be complied with the following
specifications
(Type "B" approved by HAR or SAA).
and outdoor unit should be complied with the following
specifications
(Type "B" approved by HAR or SAA).
NORMAL
CROSS-SECTIONAL
AREA 0.75mm
CROSS-SECTIONAL
AREA 0.75mm
2
• The above circuit diagram is subject to change with-
out notice.
• Be sure to connect wires according to the wiring dia-
gram.
• Connect the wires firmly, so that not to be pulled out
easily.
• Connect the wires according to color codes by refer-
ring the wiring diagram.
CAUTION
• When installing, refer to the circuit diagram on the
Control Box of Indoor Unit.
• When installing, refer to the wiring diagram on the
Control Cover Inside Outdoor Unit.
-27-
2) Connect the cable to the outdoor unit
1. Remove the control cover from the unit by loos-
ening the screw.
Connect the wires to the terminals on the control
board individually.
Connect the wires to the terminals on the control
board individually.
2. Secure the cable onto the control board with the
cord clamp.
3. Refix the control cover to the original position
with the screw.
4. Use a recognized circuit breaker "A"
between the power source and the unit.
A disconnecting device to adequately disconnect
all supply lines must be fitted.
A disconnecting device to adequately disconnect
all supply lines must be fitted.
Terminal block
Over 5mm
Cover control
Connecting cable
Connecting cable
After the confirmation of the above conditions, prepare the wiring as follows:
1) Never fail to have an individual power circuit specifically for the air conditioner. As for the method of
1) Never fail to have an individual power circuit specifically for the air conditioner. As for the method of
wiring, be guided by the circuit diagram posted on the inside of control cover.
2) The screw which fasten the wiring in the casing of electrical fittings are liable to come loose from
vibrations to which the unit is subjected during the course of transportation. Check them and make
sure that they are all tightly fastened. (If they are loose, it could cause burn-out of the wires.)
sure that they are all tightly fastened. (If they are loose, it could cause burn-out of the wires.)
3) Specification of power source.
4) Confirm that electrical capacity is sufficient.
5) See to that the starting voltage is maintained at more than 90 percent of the rated voltage marked on
4) Confirm that electrical capacity is sufficient.
5) See to that the starting voltage is maintained at more than 90 percent of the rated voltage marked on
the name plate.
6) Confirm that the cable thickness is as specified in the power source specification.
(Particularly note the relation between cable length and thickness. (Refer to page 26)
7) Always install an earth leakage circuit breaker in a wet or moist area.
8) The following would be caused by voltage drop.
8) The following would be caused by voltage drop.
• Vibration of a magnetic switch, which will damage the contact point, fuse breaking, disturbance of the normal
function of the overload.
9) The means for disconnection from a power supply shall be incorporated in the fixed wiring and have an
air gap contact separation of at least 3mm in each active(phase) conductors.
Outdoor Unit
CAUTION
7k~14k
18k
24k~28k 30k, 32k 36k, 38k
15
20
30
30
40
Circuit
Breaker
(A)
Grade
ON
OFF
PLASMA
SET
CANCEL
6
1
3
5
4
Cooling Operation
Auto Operation
Healthy Dehumidification Operation
Flip-up door
(opened)
(opened)
Heating Operation
Signal transmitter
10
11
12
13
14
15
7
8
9
2
• Cooling Model(
), Heat Pump Model(
)
Remote Control
-32-
START/STOP BUTTON
Operation starts when this button is pressed and stops
when the button is pressed again.
Operation starts when this button is pressed and stops
when the button is pressed again.
OPERATION MODE SELECTION BUTTON
Used to select the operation mode.
Used to select the operation mode.
ROOM TEMPERATURE SETTING BUTTONS
Used to select the room temperature.
Used to select the room temperature.
INDOOR FAN SPEED SELECTOR
Used to select fan speed in four steps
low, medium, high and CHAOS.
Used to select fan speed in four steps
low, medium, high and CHAOS.
JET COOL
Used to start or stop the speed
cooling. (Speed cooling operates
super high fan speed in cooling mode.)
Used to start or stop the speed
cooling. (Speed cooling operates
super high fan speed in cooling mode.)
CHAOS SWING BUTTON
Used to stop or start louver movement and set the
desired up/down airflow direction.
Used to stop or start louver movement and set the
desired up/down airflow direction.
ON/OFF TIMER BUTTONS
Used to set the time of starting and stopping operation.
Used to set the time of starting and stopping operation.
TIME SETTING BUTTONS
Used to adjust the time.
Used to adjust the time.
TIMER SET/CANCEL BUTTONS
Used to set the timer when the desired time is obtained
and to cancel the Timer operation.
Used to set the timer when the desired time is obtained
and to cancel the Timer operation.
SLEEP MODE AUTO BUTTON
Used to set Sleep Mode Auto operation.
Used to set Sleep Mode Auto operation.
AIR CIRCULATION BUTTON
Used to circulate the room air without cooling or heat-
ing.
Used to circulate the room air without cooling or heat-
ing.
ROOM TEMPERATURE CHECKING BUTTON
Used to check the room temperature.
Used to check the room temperature.
PLASMA(OPTION)
Used to start or stop the plasma-purification function.
Used to start or stop the plasma-purification function.
RESET BUTTON
Used prior to resetting time or after replacing batteries.
Used prior to resetting time or after replacing batteries.
HORIZONTAL AIRFLOW DIRECTION CONTROL BUT-
TON (NOT ON ALL MODELS)
Used to set the desired horizontal airflow direction.
TON (NOT ON ALL MODELS)
Used to set the desired horizontal airflow direction.
Operation
Name and Function-Remote Control
The remote control transmits the signals to the system.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Operation Mode
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