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Model
AS-C0764DM0 AS-H0764DM0 LS-C1264DM0 LS-H0764DM0 AS-C0964DM0 AS-H0964DM0 LS-C1865DM0 LS-H0964DL0 AS-C1264DM0 AS-H1264DM0 LS-C2665DM0 LS-H1264DM0 AS-C1865DM0 AS-H1865DM0 LS-C0964DA0 LS-H1865DM0 AS-C2465DM0 AS-H2465DM0 LS-C0964DM0 LS-H2665DM0 AS-C0764DB0 AS-H0764GM0 LS-C1865DB0 LS-H2465DM0 AS-C0964DB0 AS-H0964GM0 LS-C1264DA0 LS-H0964DM0 AS-C1264DB0 AS-H1264GM0 LS-C2465DB0 AS-C1865DB0 AS-H1865GM0 LS-C2465GB0 AS-C2465DB0 AS-H2465GM0 LS-C1865DM1 LS-C1865GB0 LS-C2665DM1 AS-C0764DH0 AS-C0964DH0 AS-C1264DH0 AS-C1865DH0 AS-C2465DH0 AS-C0964DA0 AS-C1264DA0 AS-C0964GA0 AS-C1264GA0 AS-C1865GB0 AS-C2465GB0 AS-H0964DA0 AS-H1264DA0 AS-H1865DB0 LS-C1264DM1 AS-H2465DB0 LS-C1264GA0 AS-H0964GA0 LS-C1264GB0 AS-H1264GA0 LS-C0964DM1 AS-H1865GB0 AS-H2465GB0 AS-H2465DM1 LS-H0964DY0 LS-H1264DY0 LS-H1865DY0 LS-H2465DY0 LS-H0764DM1 LS-H0964DM1 LS-H1264DM1 LS-H1865DM1 LS-H2465DM1 LS-H2665DM1 LS-H2465GB0 LS-H0964GB0 LS-H1264GB0
Pages
105
Size
7.49 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
as-c0764dm0-as-h0764dm0-ls-c1264dm0-ls-h0764dm0-as.zip
Date
PREV: LG AS-C186TLB1 / AS-C186TLM1 / AS-C186TMA1 / AS-C186TNA1 / AS-C246TLB0 / AS-C246TLM0 / AS-C246TMA0 / AS-C246TNA0 / AS-H146TLM0 / AS-H186TLB0 / AS-H186TLM0 / AS-H186TMA0 / AS-H186TNA0 / AS-H246TLB0 / AS-H246TLM0 / AS-H246TMA0 / AS-H246TNA0 Service Manual

LG AS-C0764DM0 / AS-H0764DM0 / LS-C1264DM0 / LS-H0764DM0 / AS-C0964DM0 / AS-H0964DM0 / LS-C1865DM0 / LS-H0964DL0 / AS-C1264DM0 / AS-H1264DM0 / LS-C2665DM0 / LS-H1264DM0 / AS-C1865DM0 / AS-H1865DM0 / LS-C0964DA0 / LS-H1865DM0 / AS-C2465DM0 / AS-H2465DM0 / LS-C0964DM0 / LS-H2665DM0 / AS-C0764DB0 / AS-H0764GM0 / LS-C1865DB0 / LS-H2465DM0 / AS-C0964DB0 / AS-H0964GM0 / LS-C1264DA0 / LS-H0964DM0 / AS-C1264DB0 / AS-H1264GM0 / LS-C2465DB0 / AS-C1865DB0 / AS-H1865GM0 / LS-C2465GB0 / AS-C2465DB0 / AS-H2465GM0 / LS-C1865DM1 / LS-C1865GB0 / LS-C2665DM1 / AS-C0764DH0 / AS-C0964DH0 / AS-C1264DH0 / AS-C1865DH0 / AS-C2465DH0 / AS-C0964DA0 / AS-C1264DA0 / AS-C0964GA0 / AS-C1264GA0 / AS-C1865GB0 / AS-C2465GB0 / AS-H0964DA0 / AS-H1264DA0 / AS-H1865DB0 / LS-C1264DM1 / AS-H2465DB0 / LS-C1264GA0 / AS-H0964GA0 / LS-C1264GB0 / AS-H1264GA0 / LS-C0964DM1 / AS-H1865GB0 / AS-H2465GB0 / AS-H2465DM1 / LS-H0964DY0 / LS-H1264DY0 / LS-H1865DY0 / LS-H2465DY0 / LS-H0764DM1 / LS-H0964DM1 / LS-H1264DM1 / LS-H1865DM1 / LS-H2465DM1 / LS-H2665DM1 / LS-H2465GB0 / LS-H0964GB0 / LS-H1264GB0 Service Manual ▷ View online

Service Manual  21
Installation Information (For left piping)
• Good case
For left piping. Follow the instruction below.
• Press on the upper side of clamp. ( )
Flaring work and connection of piping
• Wrap the area which accommodates the rear piping hous-
ing section with vinyl tape.
Indoor unit installation 
• Remove the spacer.
• Ensure that the hooks are properly seated on the installa-
tion 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).
•  Bundle the piping and drain hose together by wrapping
them with cloth tape over the range within which they fit
into the rear piping housing section.
Reroute the pipings and the drain hose across
the back of the chassis.
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.
Vinyl tape(narrow)
Connection
pipe
Connecting cable
Indoor 
unit piping
Pipe
Vinyl tape
(wide)
Wrap with vinyl tape
Drain hose
Vinyl tape(narrow)
Pipe
Wrap with 
vinyl tape(wide)
Piping for
passage through
piping hole
Tubing holder
Drain hose
Connecting
cable
• Unfold the tubing to downward slowly. ( )
• Bend the tubing to the left side of chassis.
22 Room Air Conditioner
Flaring work and connection of piping
Align the center of the pipings and sufficiently
tighten the flare nut by hand.
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.
• Bad case
• Following bending type from right to left could cause
problem of pipe damage.
Connection of the pipes-Outdoor
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
Outdoor unit 
Gas side piping
(Bigger diameter)
Liquid side
piping
(Smaller
diameter)
Torque wrench
Service Manual  23
Connect the cable to the Indoor unit.
Connecting the cable between indoor unit and outdoor unit
•  Connect the cable to the indoor unit by connecting 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.). The earth wire should be longer than the common wires.
The above circuit diagram is subject to change without notice.
When installing, refer to the circuit diagram on the control box 
inside Indoor Uint.
Air 
Conditioner
Main power source
Circuit Breaker
Use a circuit
breaker or time
delay fuse.
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).
The power cord connected to the "A" unit 
should be complied with the following 
specifications(Type "B" approved by HAR or 
SAA).
NORMAL
CROSS-SECTIONAL
AREA 0.75mm
2
 
5k~9K 12k~14k
18k
24k~28k
0.75
1.0
1.5
2.5
Cable Type(B) H07RN-F H07RN-F H07RN-F H07RN-F
NORMAL
CROSS
-SECTIONAL
AREA
Grade
(mm
2
)
30k, 32k
36k, 38k
0.75
0.75
Cable Type(B) H07RN-F H07RN-F
NORMAL CROSS
-SECTIONAL AREA
Grade
(mm
2
)
(mm
2
)
• The above circuit diagram is subject to change without
notice. 
• Be sure to connect wires according to the wiring diagram.
• Connect the wires firmly, so that not to be pulled out easily.
• Connect the wires according to color codes by referring the
wiring diagram.
• If a power plug is not to be used, provide a circuit
breaker between power source and the unit as
shown below.
Connecting the cable between indoor unit and outdoor unit
• 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.
5k~9k
12k
14K~18k 24k~28k 30k, 32k 36k, 38k
0.75
1.0
1.5
2.5
2.5
5.5
Unit(A)
Indoor
Indoor
Indoor
Indoor
Outdoor Outdoor
Cable Type(B) H05VV-F H05VV-F H05VV-F H05VV-F H05RN-F H05RN-F
NORMAL CROSS
-SECTIONAL AREA
Grade
24 Room Air Conditioner
Connecting the cable between indoor unit and outdoor unit
Remove the control cover from the unit by
loosening the screw.
Connect the wires to the terminals on the con-
trol board individually.
Secure the cable onto the control board with
the cord clamp.
Refix the control cover to the original position
with the screw.
Use a recognized circuit breaker "A" 
between the power source and the unit. 
A disconnecting device to adequately discon-
nect 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 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.)
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 23)
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 normal func-
tion 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
Connect the cable to the outdoor unit
5k~14k
18k
24k~28k 30k, 32k 36k, 38k
15
20
30
30
40
Circuit
Breaker
(A)
Grade
Page of 105
Display

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