LG LS-E0960CL User manual
SERVICE MANUAL
Room Air Conditioner
MODEL : LS-E0960CL/CM/CD
LS-E0960HL/HM/HD
LS-F1260CL/CM/CD
LS-F1260HL/HM/HD
Contents
Functions.................................................................................................................................3
Product Specifications (Cooling Only)..................................................................................5
Product Specification (Cooling & Heating)...........................................................................6
Dimensions..............................................................................................................................7
Refrigeration Cycle Diagram................................................................................................10
Wiring Diagram......................................................................................................................11
Operation Details ..................................................................................................................13
Display Function ...................................................................................................................21
Self-diagnosis Function........................................................................................................21
Installation .............................................................................................................................22
Operation ...............................................................................................................................38
Disassembly of the parts (Indoor Unit)...............................................................................40
2-way, 3-way Valve.................................................................................................................43
Cycle Troubleshooting Guide...............................................................................................50
Electronic Parts Troubleshooting Guide.............................................................................51
Electronic Control Device.....................................................................................................58
Schematic Diagram...............................................................................................................60
Exploded View & Replacement Parts List...........................................................................62
-2-
Functions
•Room temperature sensor. (THERMISTOR)
•Maintains the room temperature in accordance with the Setting Temp.
•Indoor fan is delayed for 5 sec at the starting.
•Restarting is inhibited for approx. 3 minutes.
•High, Med, Low
--- Lights up in operation
--- Lights up in Sleep Mode
--- Lights up in Timer Mode
--- Lights up in Deice Mode (for Heating Model)
OUTDOOR --- Lights up in compressor operation (for Cooling Model)
•Intermittent operation of fan at low speed.
•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.
•The louver can be set at the desired position or swing
up and down automatically.
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
•Both the indoor and outdoor fan
stops during deicing.
•The indoor fan stops until the
evaporator piping temperature will be
reached at 28°C.
Sleep Mode Auto Control
Natural Air Control by CHAOS Logic
Airflow Direction Control
-3-
Deice (defrost) control (Heating)
Hot-start Control (Heating)
-4-
TEMPERATURETEMPERATURE LOWLOW HIGHHIGH
Cooling Operation Mode ( ) Auto Operation Mode ( )
Soft Dry Operation Mode ( ) Heating Operation Mode ( )
(Heating model only)(Cooling model only)
Remote Controller
Operation ON/OFF
(Low) (Med)
(High)
(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.
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
Air Circulation Mode
Reset
Down to 16°C
Up to 30°C,
Heating
-5-
Product Specifications (Cooling Only)
Model Name
Item Unit
Cooling Capacity Btu/h 8,700 12,000
Moisture Removal l/h 1.2 1.2
Power Source Ø, V, Hz 1Ø, 220-240V, 50Hz
Indoor 5.2 8.6
Outdoor 25 25
Indoor 35 36
Outdoor 48 49
Input W 890 1,070
Running Current A 3.8 4.6
E.E.R. Btu/hw 9.77 11.2
Indoor 5.7 15
Outdoor 14.5 25
Indoor 804×245×153 900×280×178
Outdoor 684×624×270
Indoor 7 9
Outdoor 25 28
Refrigerant (R-22) g 600 860
Airflow Direction Control (Up & Down)
Remocon Type L.C.D Wireless
Liquid inch(mm) 1/4" (6.35)
Gas 3/8" (9.52) 1/2"(12.7)
Sleeping Operation
Drain Hose
Connecting Cable 1.0mm2
Power Cord 1.0mm2
Air Circulation
Noise Level
m3/min
dB (A)±1
Service Valve
Motor Output
Dimensions
(W×H×D)
Net. Weight
W
mm
kg
9K Btu 12K Btu
Cooling Only Cooling Only
SPEC. AT 240V
-6-
Product Specifications (Cooling & Heating)
Model Name
Item Unit
Cooling Capacity Btu/h 8,500 12,000
Heating Capacity 9,300 12,500
Moisture Removal l/h 1.2 1.7
Power Source Ø, V, Hz 1Ø, 220-240V, 50Hz
5.4 9.0
24 25
35 37
49 51
Cooling W890 1,240
Heating 890 1,090
Running Cooling A3.8 5.3
Current Heating 3.8 4.7
E.E.R. Cooling Btu/hw 9.551 9.677
C.O.P Heating 3.062 3.360
10 15
25 25
804 x 245 x 153 900 x 280 x 178
684 x 624 x 270 810 x 555 x 262
79
25 35
Refrigerant (R-22) g 610 860
Airflow Direction Control (Up & Down)
Remocon Type L.C.D Wireless
inch(mm) 1/4" (6.35)
3/8" (9.52) 1/2"(12.7)
Sleeping Operation
Drain Hose
Connecting Cable 1.0mm2
Power Cord 1.0mm2
Air Circulation
Noise Level
Input
m3/min
dB (A)±1
Indoor
Outdoor
Indoor
Outdoor
Indoor
Outdoor
Indoor
Outdoor
Indoor
Outdoor
Liquid
Gas
Service Valve
Motor Output
Dimensions
(W×H×D)
Net. Weight
W
mm
kg
9K Btu 12K Btu
Cooling & Heating Cooling & Heating
SPEC. AT 240V
Dimensions
(1) Indoor Unit
-7-
Installation plate
Tubing hole cover
Installation plate
D
H
W
Right rear piping
Left rear piping
ø70mm ø70mm
50mm
20mm
20mm
80mm
ø70mm
A
A
AACenter
Right rear pipingLeft rear piping
Center
ø70mm
MODEL
DIM Unit
W mm 804 900
H mm 245 280
D mm 153 178
9K Btu Series 12K Btu Series
( 9K, 12K )
( 9K ) ( 12K )
( 9K ) ( 12K )
(2) Outdoor Unit ( 9K, 12K)
WL2
L3
L1
D
H
L4
L5
Gas side
(3-way valve)
Liquid side
(2-way valve)
MODEL
DIM unit
W mm 684
H mm 640
D mm 270
L1 mm 305
L2 mm 62
L3 mm 472
L4 mm 16
L5 mm 193
9K Btu Cooling & Heat Pump
12K Btu Cooling Only
-8-
(3) Outdoor Unit(12K Heat Pump)
W
D
L1
L2
H
L3
L4
L5L6 L7 L8
L9 L10
Liquid side
2-way valve
Gas side
3-way valve
-9-
MODEL 12K Btu Heat Pump
DIM unit
W mm 801
H mm 555
D mm 262
L1 mm 339
L2 mm 37
L3 mm 543.6
L4 mm 11.4
L5 mm 591
L6 mm 105
L7 mm 105
L8 mm 72.5
L9 mm 86.4
L10 mm 77
Refrigeration Cycle Diagram
-10-
Pipe size(Diameter:Ø)MAX. Max
MODEL Piping length Elevation
Gas(inch) Liquid(inch) (m) (m)
3/8" 1/4" 15 7
INDOOR UNIT OUTDOOR UNIT
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
COMPRESSOR
ACCUMU
LATOR
GAS SIDE
3-WAY VALVE
LIQUID SIDE
2-WAY VALVE
CAPILLARY TUBE
CHECK VALVE
(Heating Model only)
COOLING
HEATING
REVERSING
VALVE
(Heating Model Only)
1/2" 1/4" 15 7
9K Btu SERIES
12K Btu SERIES
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