LG LS-C322MLD0_MMB0_MMM0 / LS-H322MLD0_MMB0_MMM0 / LS-C366NLD0_NMM0 / LS-H366NLB0_NLD0_NMM0 / S36LHP Service Manual ▷ View online
- 31 -
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 connect-
ing the wires to the terminals on the control
board individually 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.)
board individually 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.)
RED
BLUE
BROWN
4(N)
Terminals on the indoor unit
3(L)
5
4(N)
Terminals on the outdoor unit
Color of Wires
POWER INPUT
Color of Wires
3(L)
2(N)
1(L)
5
G/Y
RED
BLUE
BROWN
G/Y
The power cord connected to the outdoor unit
should be complied with the following
specifications (Rubber insulation, type H05RN-F
approved by HAR or SAA).
should be complied with the following
specifications (Rubber insulation, type H05RN-F
approved by HAR or SAA).
The connecting cable connected to the indoor
and outdoor unit should be complied with the
following specifications (Rubber insulation, type
H07RN-F approved by HAR or SAA).
and outdoor unit should be complied with the
following specifications (Rubber insulation, type
H07RN-F approved by HAR or SAA).
CAUTION
8.5mm
20mm
GN/YL
NORMAL
CROSS-SECTIONAL
AREA 2.5mm
CROSS-SECTIONAL
AREA 2.5mm
2
8.5mm
20mm
GN/YL
NORMAL
CROSS-SECTIONAL
AREA 5.5mm
CROSS-SECTIONAL
AREA 5.5mm
2
20mm
GN/YL
NORMAL
CROSS-SECTIONAL
AREA 0.75mm
CROSS-SECTIONAL
AREA 0.75mm
2
7.5mm
30K, 32K
36K, 38K
If a power plug is not to be used,
provide a circuit breaker between
power source and the unit as
shown below.
provide a circuit breaker between
power source and the unit as
shown below.
CAUTION
Air
Conditioner
Main power source
Circuit Breaker
Use a circuit breaker
or time delay fuse.
Use a circuit breaker
or time delay fuse.
- 32 -
2) Connect the cable to the outdoor unit
1. Remove the control cover from the unit by loosen-
ing 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 30A (30k, 32k),
35A (36k, 38k) between the power source and the
unit. A disconnecting device to adequately discon-
nect all supply lines must be fitted.
unit. A disconnecting device to adequately discon-
nect all supply lines must be fitted.
Terminal block
Over 5mm
Cover control
Connecting cable
The power
connecting cable
connecting cable
Main terminal board
Control terminal board
Cover control
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 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 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 31))
7) Always install an earth leakage circuit breaker in a wet or moist area.
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 nor-
mal 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.
CAUTION
Outdoor Unit
30K, 32K
36K, 38K
- 33 -
1) Checking the drainage
1. Remove the right side panel.
2. Remove the lower panel by the arrow.
3. Remove the left side panel.
(Remove the two screws.)
4. To check the drainage.
■ Pour a glass of water on the drain pan.
■ Ensure the water flows through the drain hose of
■ Ensure the water flows through the drain hose of
the indoor unit without any leakage and goes out
the drain exit.
the drain exit.
5. Drain piping
■ The drain hose should point downward for easy
drain flow.
■ Do not make drain piping.
Right side panel
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
Lower panel
Left side panel
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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 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.
■ Secure the tapped piping along the exterior wall
using saddle or equivalent.
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.
■ Secure the taped piping along the exterior wall.
Form a trap to prevent water entering the room.
■ Fix the piping onto the wall by saddle or equiva-
lent.
;;
;;
Taping
Drain
hose
Pipings
Connecting
cable
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.
Trap is required to prevent water from entering
into electrical parts.
into electrical parts.
Seal a small opening
around the pipings
with gum type sealer.
around the pipings
with gum type sealer.
Drain hose
Taping
Pipings
Connecting
cable
cable
Power supply
cord
cord
;;
;;
Seal a small opening
around the pipings
with gum type sealer.
around the pipings
with gum type sealer.
Trap
Trap
Seal a small opening
around the pipings
with gum type sealer.
around the pipings
with gum type sealer.
Trap
Trap
30K, 32K
36K, 38K
30K, 32K
36K, 38K
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