LG LS-J0761NL_NM_NN / LS-J0962NL_NM_NN / LS-L1261NL_NM_NN Service Manual ▷ View online
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8. Jet cool mode operation
• While in heating mode or Fuzzy operation, the Jet Cool key cannot be input. When it is input while in the
other mode operation(cooling, dehumidification, ventilation), the Jet Cool mode is operated.
• In the Jet Cool mode, the indoor fan is operated super-high speed for 30 min. at cooling mode operation.
• In the Jet Cool mode, the room temperature is controlled to the setting temperature, 18°C.
• When the sleep timer mode input while the Jet Cool mode operation, the Jet Cool mode has the priority.
• When the Jet Cool key is input, the upper/lower vane is reset to those of the initial cooling mode and then
• In the Jet Cool mode, the room temperature is controlled to the setting temperature, 18°C.
• When the sleep timer mode input while the Jet Cool mode operation, the Jet Cool mode has the priority.
• When the Jet Cool key is input, the upper/lower vane is reset to those of the initial cooling mode and then
operated in order that the air outflow could reach further.
9. Swing mode
9.1 Chaos swing mode of not fuzzy mode operation
• By the Chaos swing key input, the upper/lower vane automatically operates with the Chaos swing or it is fixed
to the desired direction.
Chaos swing of LS-J0761NL/NM/NN, LS-J0962NL/NM/NN
Closed
Open
Mode 1
Mode 2
Mode 3
Mode 4
Mode 5
Mode 6
Mode 7
Beginning
of cooling
Mode 8
< Cooling Mode >
8
°
135
°
< Heating Mode >
Closed
Open
Mode 1
Mode 2
Mode 3
Mode 4
Mode 5
Mode 6
Mode 7
Beginning
of heating
of heating
Mode 8
8
°
135
°
Closed
Open
Mode 1
Mode 2
Mode 3
Mode 4
Mode 5
Mode 6
Mode 7
Beginning
of cooling
Mode 8
< Cooling Mode >
7
°
125
°
< Heating Mode >
Closed
Open
Mode 1
Mode 2
Mode 3
Mode 4
Mode 5
Mode 6
Mode 7
Beginning
of heating
of heating
Mode 8
7
°
125
°
Chaos swing of LS-L1261NL/NM/NN
Installation
1. Installation of indoor, Outdoor unit
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More than 5cm
More than 5cm
More than 2.3m
More than 5cm
More than 10cm
More than 10cm
More
than 60cm
than 60cm
More than 60cm
More than 70cm
1) Select the best location
1. Indoor unit
■
Do not have any heat or steam near the unit.
■
Select a place where there are no obstacles in
front of the unit.
front of the unit.
■
Make sure that condensation drainage can be
conveniently routed away.
conveniently routed away.
■
Do not install near a doorway.
■
Ensure that the space around the left and right of
the unit is more than 5cm. The unit should be
installed as high on the wall as possible, allowing
a minimum of 5cm from ceiling.
the unit is more than 5cm. The unit should be
installed as high on the wall as possible, allowing
a minimum of 5cm from ceiling.
■
Use a stud finder to locate studs to prevent
unnecessary damage to the wall.
unnecessary damage to the wall.
2. Outdoor unit
■
If an awning is built over the unit to prevent direct
sunlight or rain exposure, make sure that heat
radiation from the condenser is not restricted.
sunlight or rain exposure, make sure that heat
radiation from the condenser is not restricted.
■
Ensure that the space around the back and sides
is more than 10cm. The front of the unit should
have more than 70cm of space.
is more than 10cm. The front of the unit should
have more than 70cm of space.
■
Do not place animals and plants in the path of the
warm air.
warm air.
■
Take the air conditioner weight into account and
select a place where noise and vibration are mini-
mum.
select a place where noise and vibration are mini-
mum.
■
Select a place so that the warm air and noise
from the air conditioner do not disturb neighbors.
from the air conditioner do not disturb neighbors.
Install the indoor unit on the wall where the height
from the floors more than 2.3 meters.
from the floors more than 2.3 meters.
CAUTION
2) Piping length and elevation
7K, 9K
3/8" 1/4"
5
7
15
20
12K
1/2" 1/4"
5
7
15
20
Pipe Size
Capacity
(Btu/h)
GAS LIQUID
Max.
length
A
(m)
Additional
Refrigerant
(g/m)
Max.
Elevation
B
(m)
Standard
Length
(m)
* Both gas and liquid interconnecting pipes must be
insulated as a pair, but it is not necessary to individu-
ally insulate them.
ally insulate them.
Outdoor unit
Indoor unit
A
B
A
Oil trap
Outdoor unit
Indoor unit
B
In case more than 5m
• Capacity is based on standard length and maximum
allowance length is on the basis of reliability.
• Oil trap should be installed every 5~7 meters.
CAUTION
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3) How to connect between Indoor unit and Outdoor unit
Note
1) The earth line must connect to protect noise of EMI, EMS .
2) If it is not connect the earth line, It may occur safety problems.
3) If it crossed No1, No2 of fillet terminal, it must occur communication error (error code 5) but communication cir-
2) If it is not connect the earth line, It may occur safety problems.
3) If it crossed No1, No2 of fillet terminal, it must occur communication error (error code 5) but communication cir-
cuit is not malfunction.
4) The related earth line must be connected for EMC.
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
AC220v ~ 240V/50Hz
Connecting cable
To OUTDOOR
PCB ASS'Y
To CN-POWER
of INDOOR PCB ASS'Y
To relay pin4
(RY-PWR)
To relay pin3
(RY-PWR)
BR
BL
RD
GY/
YL
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4. Checking the Drainage and Forming the Pipings
2) Form the piping
1. Form the piping by wrapping the connecting por-
tion of the indoor unit with insulation material and
secure it with two kinds of vinyl tapes.
secure it with two kinds of vinyl tapes.
■
If you want to connect an additional drain hose,
the end of the drain outlet should be routed above
the ground. Secure the drain hose appropriately.
the end of the drain outlet should be routed above
the ground. Secure the drain hose appropriately.
2. In cases where the outdoor unit is installed below
the indoor unit perform the following.
■
Tape the piping, drain hose and connecting cable
from down to up.
from down to up.
■
Secure the tapped piping along the exterior wall
using saddle or equivalent.
using saddle or equivalent.
;
;
Trap is required to prevent water
from entering into electrical parts.
from entering into electrical parts.
Seal small openings
around pipings with a
gum type sealer.
around pipings with a
gum type sealer.
Taping
Drain
hose
hose
Pipings
Connecting
cable
cable
3. In cases where the Outdoor unit is installed above
the Indoor unit perform the following.
■
Tape the piping and connecting cable from down
to up.
to up.
■
Secure the taped piping along the exterior wall.
Form a trap to prevent water entering the room.
Form a trap to prevent water entering the room.
■
Fix the piping onto the wall by saddle or equiva-
lent.
lent.
;;
;;
;;
Seal a small opening
around the pipings
with gum type sealer.
around the pipings
with gum type sealer.
Trap
Trap
1) Checking the drainage
1. To remove the front panel from the indoor unit,
remove the front panel from the indoor unit cabi-
net.
net.
■
Set the air direction louvers up-and-down to the
position(horizontally) by hand.
position(horizontally) by hand.
■
Remove the securing screws that retain the front
panel. Pull the lower left and right sides of the
grille toward you and lift it off.
(7K, 9K Btu models: 2EA,
12K Btu models: 3EA)
panel. Pull the lower left and right sides of the
grille toward you and lift it off.
(7K, 9K Btu models: 2EA,
12K Btu models: 3EA)
Pull the right and
the left side.
the left side.
Screw
2. To check the drainage.
■
Pour a glass of water
on the evaporator.
on the evaporator.
■
Ensure the water flows
through the drain hose
of the indoor unit with-
out any leakage and
goes out the drain exit.
through the drain hose
of the indoor unit with-
out any leakage and
goes out the drain exit.
3. Drain piping
■
The drain hose should point downward for easy
drain flow.
drain flow.
■
Do not make drain piping.
Downward slope
Do not raise
Accumulated
drain water
drain water
Tip of drain hose
dipped in water
dipped in water
Air
Waving
Water
leakage
leakage
Water
leakage
leakage
Ditch
Less than
50mm gap
50mm gap
Water
leakage
leakage
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