LG LS-B0760CM/B0760HM Manual de usuario
K
M
K
M
Room Air Conditioner
SERVICE MANUAL
MODEL : LS-B0760CM/B0760HM
LS-B0960CM/B0960HM
LS-B0962CM/B0962HM
LS-B0962CD/B0962HD
LS-B0960CD/B0960HD
LS-C1260CM/C1260HM
LS-C1260CD/C1260HD
LS-C1120CM/C1420CM
LS-C1420CN
CAUTION
BEFORE SERVICING THE UNIT,
READ THE "SAFETY PRECAUTIONS" IN THIS MANUAL.
Functions...................................................................................................................................... 3
Product Specifications (Cooling Only) ...................................................................................... 5
Product Specifications (Cooling & Heating).............................................................................. 6
Dimensions................................................................................................................................... 7
Maximum Length of Pipe and Freon Extra Charge................................................................... 9
Refrigeration Cycle Diagram..................................................................................................... 10
Wiring Diagram .......................................................................................................................... 11
Operation Details ....................................................................................................................... 13
Display Function........................................................................................................................ 20
Self-diagnosis Function ............................................................................................................ 20
Installation.................................................................................................................................. 21
Operation.................................................................................................................................... 39
Disassembly of the parts(Indoor Unit)..................................................................................... 41
2-way, 3-way Valve ..................................................................................................................... 44
Cycle Troubleshooting Guide ................................................................................................... 51
Electronic Parts Troubleshooting Guide.................................................................................. 52
Electronic Control Device ......................................................................................................... 56
Schematic Diagram.................................................................................................................... 59
Exploded View & Replacement Parts List ............................................................................... 61
- 2 -
Contents
- 3 -
Functions
Indoor Unit
Operation ON/OFF by Remote controller
Sensing the Room Temperature
Room temperature control
Starting Current Control
Time Delay Safety Control
Indoor Fan Speed Control
Operation indication Lamps (LED)
Soft Dry Operation Mode
Sleep Mode Auto Control
Auto Air Control by CHAOS Logic
Airflow Direction Control
AUTO Wind
Deice(defrost) control(Heating)
Hot-start Control(Heating)
• Room temperature sensor(THERMISTOR).
• Maintains the room temperature in accordance with the Setting Temp.
• Indoor fan is delayed for 5 seconds at the starting.
• Restarting is inhibited for approx. 3 minutes.
• High, Med, Low, Chaos or Auto
• Intermittent operation of fan at low speed
• The louver can be set at the desired position or swing up
and down, right and left (not on all models) automatically.
• The fan speed is automatically switched from high to low speed.
• Both the indoor and outdoor fan stops
during deicing.
• Hot start after deice ends.
• The indoor fan stops until the
evaporator piping temperature will be
reached at 28°C.
• The fan is switched to low(Cooling), med(Heating) speed.
• The unit will be stopped after 1, 2, 3, 4, 5, 6, 7 hours.
• The fan is switched to intermittent or irregular operation.
• The fan speed is automatically switched from high to low speed.
--- Lights up in Operation
--- Lights up in Sleep Mode
--- Lights up in Timer Mode
--- Lights up in Deice Mode or Hot Start Mode (only Heating Model)
--- Lights during in compressor running (for Cooling Model)
OUT
DOOR
- 4 -
TEMPERATURETEMPERATURE LOWLOW HIGHHIGH
Remote Controller
Operation ON/OFF
(Cooling model only) (Heatling model only)
Cooling Operation Mode ( )
Soft Dry Operation Mode ( )
(Low) (Med)
(High)
(AUTO WIND)
(CHAOS)
: High: 39°C LOW : 11°C
Down to 18°C
Up to 30°C,
Cooling
: OFF, ON, OFF ON
: Cancel Sleep Mode, Timer ON or Timer OFF
: 1, 2, 3, 4, 5, 6, 7, Off Timer
: Fan Operates without cooling or heating.
Auto Operation Mode ( )
Heating Operation Mode ( )
Operation Mode Selection
Fan Speed Selection
Room, Temperature Display
Temperature Setting
Setting the Time or timer
Timer Selection
Timer Setting
Timer Cancel
Sleep Operation
Airflow Direction Control
Fan Operation Mode
Reset
Down to 16°C
Up to 30°C,
Heating
Cooling Capacity BTU/h(kcal/h)
Moisture Removal ℓ/h
Power Source Ø, V, Hz
Air Circulation m3/min
Noise Level dB(A)
Input W
Runnig Current A
E.E.R. BTU/h-W
Motor Output W
mm
Net. Weight kg
Refrigerant(R-22) g
Airflow Direction Control (Up & Down)
Remocon type
Service valve
Sleeping Operation
Drain Hose
Connecting Cable
Power Cord
- 5 -
Product Specifications (Cooling Only)
7,300(1,840) 8,700(2,190) 8,700(2,190) 11,000(2,770) 12,000(3,020) 14,000(3,528)
1.0 1.2 1.2 1.2 1.7 1.7
1Ø, 220-240V, 50Hz
1Ø, 220V~,60Hz
1Ø, 220-240V,50Hz
1Ø, 220V~,60Hz
4.85 5.3 5.3 8.5 10.2 9.5
25 25 25 25 25 25
36±339±338±339±341±341±3
47±349±349±349±350±350±3
755 920 920 1,050 1,140 1,270
3.2 4.0 4.0 4.9 5.0 5.9
9.7 9.5 9.5 10.5 10.5 11
7 1010101515
25 25 25 25 25 25
810 x 220.5 x 152 900 x 290 x 183
660 x 540 x 260 801 x 555 x 262
6.5 6.5 6.5 10 10 10
27 27 27 33 33 35
540 670 690 1,080 840 980
OOOOOO
L.C.D Wireless
1/4"(6.35) 1/4"(6.35)
3 /8"(9.52) 3/8"(9.52) 1/2"(12.7)
OOOOOO
O OOOO
1.0mm2
1.0mm2
Model Name
Unit
Indoor
Outdoor
Indoor
Outdoor
Indoor
Outdoor
Indoor
Outdoor
Indoor
Outdoor
Liquid
Gas
Dimensions
(W x H x D)
Item
LS-B0760CM LS-B0960CD
LS-B0960CM LS-B0962CD
LS-B0962CM LS-C1120CM LS-C1260CD
LS-C1260CM LS-C1420CM
LS-C1420CN
- 6 -
Product Specifications (Cooling & Heating)
Cooling Capacity
Heating Capacity
Moisture Removal ℓ/h
Power Source Ø, V, Hz
Air Circulation m3/min
Noise Level dB(A)
Input W
Runnig Current
A
E.E.R. BTU/h·W
C.O.P W/W
Motor Output W
mm
Net. weight kg
Refrigerant(R-22) g
Airflow Direction Control (Up & Down)
Remocon Type
Service Valve
Sleeping Operation
Drain Hose
Connecting Cable
Power Cord
7,000(1,764) 8,500(2,142) 8,500(2,142) 12,000(3,020)
7,500(1,890) 9,500(2,394) 9,500(2,394) 12,500(3,150)
1.0 1.2 1.2 1.7
1Ø, 220-240V, 50Hz
4.85 5.3 5.6 10.2
25 25 25 25
36±339±340±141±3
47±349±350±151±3
760 940 895 1,250
780 1,030 950 1,100
3.2 4.1 3.8 5.5
3.3 4.4 4.1 4.8
9.2 9.0 9.5 9.6
2.82 2.7 2.76 3.3
710 10 15
25 25 25 25
810 x 220.5 x 152
900 x 290 x 183
660 x 540 x 260
810 x 555 x 262
6.5 6.5 6.5 10
30 30 30 35
590 690 720 810
OOOO
L.C.D Wireless
1/4"(6.35)
3/8"(9.52) 1/2"(12.7)
OOOO
OOOO
1.0mm2
1.0mm2
Model Name
Unit
Indoor
Outdoor
Indoor
Outdoor
Cooling
Heating
Cooling
Heating
Cooling
Heating Indoor
Outdoor
Indoor
Outdoor
Indoor
Outdoor
Liquid
Gas
Dimensions
(W x H x D)
Item
LS-B0760HM LS-B0960HD
LS-B0960HM LS-B0962HD
LS-B0962HM LS-C1260HD
LS-C1260HM
BTU/h(kcal/h)
- 7 -
Dimensions
(1) Indoor Unit
4.5cm
4cm
50
8cm
2cm
W W
DD
HH
Installation plate
Tubing hole cover
Tubing hole cover
Tubing hole cover
Tubing hole cover
Installation plate
Hole for piping
Hole for piping
(7K, 9K) (11K, 12K, 14K)
MODEL 7K, 9K BTU 11K, 12K, 14K BTU
DIM Series Series
W mm 810 900
H mm 220.5 290
D mm 152 183
- 8 -
W
D
L1
L2
H
L3
L4
L5L6 L7 L8
L9 L10
Liquid side
2-way valve
Gas side
3-way valve
(2) Oudoor Unit (7K, 9K, 11K, 12K, 14K)
MODEL 7K, 9K, 11K BTU Series 12K, 14K BTU Series
DIM
W mm 660 801
H mm 540 555
D mm 260 262
L1 mm 297 339
L2 mm 18.5 37
L3 mm 523 543.6
L4 mm 17 11.4
L5 mm 447 591
L6 mm 76.5 105
L7 mm 76.5 105
L8 mm 66 72.5
L9 mm 82 86.4
L10 mm 77 77
- 9 -
Maximum Length of Pipe and Freon Extra Charge
Charge amount per 1m
A
B
Oil trap
Outdoor unit
Indoor unit
Capacity STANDARD MAXIMUM LENGTH Charge amount (g)
(Btu/h) LENGTH(m) AB
per 1m
~7000 4 7 15 20
~9000 4 7 15 20
~12000 4 7 15 20
~18000 5 15 30(25) 40
~24000 5 15 25 40
* A, B mean indoor unit higher located than outdoor unit
* Capicity is based on standard length and maximum allowance length is the basis of relia-
bility.
* Oil trap should be installed per 10 meters.
* Numerical value in "( )" is for Rotary Comp. model.
- 10 -
Refrigeration Cycle Diagram
INDOOR UNIT
HEAT
EXCHANGE
(EVAPORATOR) HEAT
EXCHANGE
(CONDENSER)
COMPRESSOR COOLING
HEATING
ACCUMU-
LATOR REVERSING
VALVE
GAS SIDE
CAPILLARY TUBE
LIQUID SIDE
2-WAY VALVE
3-WAY VALVE
OUTDOOR UNIT
Este manual sirve para los siguientes modelos
8
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