LG LM-1966C2L/M Bedienungsanleitung
Multi Type Room
Air Conditioner
SERVICE MANUAL
MODELS: LM-1966C2L/M
LM-1966H2L/M
LM-2166H2L/M
LM-2065C3L/M
LM-3065H3L/M
Functions...................................................................................................................................... 3
Product Specifications................................................................................................................ 5
Dimensions................................................................................................................................. 10
Refrigeration Cycle Diagram..................................................................................................... 12
Wiring Diagram .......................................................................................................................... 15
Operation Details ....................................................................................................................... 17
Display Function........................................................................................................................ 24
Self-Diagnosis Function............................................................................................................ 24
Installation.................................................................................................................................. 25
Operation.................................................................................................................................... 39
Disassembly of the parts (Indoor Unit).................................................................................... 41
2-way, 3-way Valve ..................................................................................................................... 43
Cycle Troubleshooting Guide ....................................................................................................47
Electronic Parts Troubleshooting Guide.................................................................................. 48
Electronic Control Device ......................................................................................................... 55
Schematic Diagram.................................................................................................................... 58
Exploded View and Replacement Parts List............................................................................ 63
- 2 -
Contents
- 3 -
Functions
• 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
--- Lights up in operation
--- Lights up in Sleep Mode
--- Lights up in Timer Mode
--- Lights up in Deice Mode(for Heat pump model)
--- 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)
OUT
DOOR
Health Dehumidification Operation
• 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 26°C.
Sleep Mode Auto Control
Natural Air Control by CHAOS Logic
Airflow Direction Control
Deice (defrost) control (Heating)
Hot-start Control (Heating)
- 4 -
Remote Controller
JET COOL
Healthy Dehumidification Operation Mode.
( )
Operation Mode Selection
(Cooling
model only) (Heating
model only)
Cooling Operation Mode.( ) Heating Operation Mode.( )
Auto Operation Mode.( )
Sleep Operation
Fan Operation Mode
Room, Temperature Display
Setting the Time or Timer
Airflow Direction Control
Operation ON/OFF
Temperature Setting
TEMPERATURE LOWHIGH
Timer Selection
ON OFF
Timer Setting
SET
Timer Cancel
CANCEL
Reset
Fan Speed Selection
(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.
Down to 16°C
Up to 30°C
Heating
- 5 -
19,000(4,788) 9,500(2,394) 9,500(2,394)
2.4 1.2 1.2
1Ø, 220-240V, 50Hz
Indoor 7.0 7.0
Outdoor 41
Indoor 34 1341
Outdoor 55 1
1,930 1,030 1,030
8.4 4.6 4.6
9.8 9.2 9.2
Indoor 7.5 7.5
Outdoor 61
Indoor 802 x 262x 165
Outdoor 870 x 655 x 320
Indoor 7
Outdoor 63
- 710 620
O
L.C.D Wireless
Liquid 1/4"(6.35)
Gas 3/8"(9.52)
O
O
Operation A-Unit Only
A-Unit + B-Unit B-Unit Only
Unit
Item
Cooling Capacity Btu/h(kcal/h)
Moisture Removal /h
Power Source ø, V, Hz
Air Circulation /min
Noise Level dB(A)
Input W
Runnig Current A
E.E.R. Btu/h.w
Motor Output W
Dimensions(W x H x D)
mm
Net. Weight kg
Refrigerant(R-22)(at 7.5m)
g
Airflow Direction Control(Up & Down)
Remocon Type
Service Valve
Sleeping Operation
Drain Hose
1. LM-1966C2L/M
Product Specifications
- 6 -
19,000(4,788) 9,500(2,394) 9,500(2,394)
19,000(4,788) 9,500(2,394) 9,500(2,394)
2.4 1.2 1.2
1Ø, 220-240V, 50Hz
Indoor 7.0 7.0
Outdoor 53
Indoor 34 + 1 34 + 1
Outdoor 54 +1
2,000 1,060 1,060
1,950 1,030 1,030
8.8 4.7 4.7
8.3 4.5 4.5
9.5 9.0 9.0
2.8 2.7 2.7
Indoor 7.5 7.5
Outdoor 82.9
Indoor 802 x 262 x 165
Outdoor 870 x 655 x 320
Indoor 7
Outdoor 63
670 670
O
L.C.D Wireless
Liquid 1/4"(6.35)
Gas 3/8"(9.52)
O
O
Operation A-Unit Only
A-Unit + B-Unit B-Unit Only
Unit
Item
Cooling Capacity
Heating Capacity
Moisture Removal /h
Power Source ø, V, Hz
Air Circulation /min
Noise Level dB(A)
Input W
A
E.E.R. Btu/h.w
C.O.P. -
Motor Output W
Dimensions(W x H x D)
mm
Net. Weight kg
Refrigerant(R-22)(at 7.5m)
g
Airflow Direction Control(Up & Down)
Remocon Type
Service Valve
Sleeping Operation
Drain Hose
Cooling
Heating
Cooling
Heating
Cooling
Heating
Runnig
Current
Btu/h(kcal/h)
2. LM-1966H2L/M
- 7 -
21,000(5,292) 12,000(3,024) 9,000(2,268)
22,000(5,544) 12,500(3,150) 9,500(2,394)
2.9 1.7 1.2
1Ø, 220-240V, 50Hz
Indoor 9.0 7.0
Outdoor 53
Indoor 39 + 1 37 + 1
Outdoor 54 + 1
2,200 1,280 1,080
2,100 1,240 1,050
9.5 5.5 4.8
9.2 5.4 4.7
9.5 9.4 8.3
3.0 2.9 2.6
Indoor 13 7.5
Outdoor 61
Indoor 900 x 280 x 178 / 802 x 262 x 165
Outdoor 870 x 655 x 320
Indoor 10 / 7
Outdoor 62
860 770
O
L.C.D Wireless
Liquid 1/4"(6.35)
Gas 1/2"(12.7) 3/8"(9.52)
O
O
Operation A-Unit OnlyA-Unit + B-Unit B-Unit Only
Unit
Item
Cooling Capacity
Heating Capacity
Moisture Removal /h
Power Source ø, V, Hz
Air Circulation /min
Noise Level dB(A)
Input W
A
E.E.R. Btu/h.w
C.O.P. -
Motor Output W
Dimensions(W x H x D)
mm
Net. Weight kg
Refrigerant(R-22)(at 7.5m)
g
Airflow Direction Control(Up & Down)
Remocon Type
Service Valve
Sleeping Operation
Drain Hose
Cooling
Heating
Cooling
Heating
Cooling
Heating
Runnig
Current
Btu/h(kcal/h)
3. LM-2166H2L/M
- 8 -
8,500(2,142) 9,000(2,268) 16,800(4,233) 11,600(2,923)
20,500(5,166)
1.2 1.2 2.4 2.4 3.6
1Ø, 220-240V, 50Hz
Indoor 7.0 7.0 - - -
Outdoor 53 - - -
Indoor 34 + 1 34 + 1 - - -
Outdoor 55 + 1
960 1,050 1,850 1,120 1,950
4.1 4.5 8.0 5.0 8.4
8.85 8.57 9.08 10.36 10.51
Indoor 7.5
Outdoor 61
Indoor 802 x 262 x 165
Outdoor 870 x 655 x 320
Indoor 7 - - -
Outdoor 61
540 700 - - -
O
L.C.D Wireless
Liquid 1/4"(6.35) - - -
Gas 3/8"(9.52) - - -
O
O
Operation A-Unit
B or C-Unit
A+B or C B+C A+B+C
Unit
Item
Cooling Capacity Btu/h(kcal/h)
Moisture Removal /h
Power Source ø, V, Hz
Air Circulation /min
Noise Level dB(A)
Input W
Runnig Current A
E.E.R. Btu/h.w
Motor Output W
Dimensions(W x H x D)
mm
Net. Weight kg
Refrigerant(R-22)(at 7.5m)
g
Airflow Direction Control(Up & Down)
Remocon Type
Service Valve
Sleeping Operation
Drain Hose
3. LM-2065C3L/M
- 9 -
11,000(2,772)
10,000(2,520) 21,000(5,292) 17,000(4,284) 28,000(7,056)
11,000(2,772)
12,000(3,024) 23,000(5,796) 17,000(4,284) 28,000(3,056)
1.7 1.2 2.9 2.4 4.1
1Ø, 220-240V, 50Hz
9.0 7.0 –––
58 –––
34+1 31+1 –––
60
1,150 1,530 2,600 1,700 2,800
1,030 1,950 2,700 1,500 2,400
5.1 7.0 11.5 7.7 12.3
4.5 9.0 13 6.8 10.8
9.5 6.5 8.1 10 10
3.1 1.8 2.5 3.3 3.4
13 / 7.5
82.9
900
x 280 x 178 /
802
x 262 x 165
870 x 800 x 320
97–––
68
770 1,250 –––
O
L.C.D Wireless
1/4"(6.35) –––
1/2"(12.7) 3/8"(9.52) –––
O
O
Operation A-Unit
B or C-Unit A+B or C
B+C A+B+C
Unit
Item
Cooling Capacity
Heating Capacity
Moisture Removal /h
Power Source ø, V, Hz
Air Circulation /min
Noise Level dB(A)
Input W
A
E.E.R. Btu/h.w
C.O.P. -
Motor Output W
Dimensions(W x H x D)
mm
Net. Weight kg
Refrigerant(R-22)(at 7.5m)
g
Airflow Direction Control(Up & Down)
Remocon Type
Service Valve
Sleeping Operation
Drain Hose
Cooling
Heating
Indoor
Outdoor
Indoor
Outdoor
Indoor
Outdoor
Indoor
Outdoor
Indoor
Outdoor
Liquid
Gas
Cooling
Heating
Cooling
Heating
Runnig
Current
Btu/h(kcal/h)
4. LM-3065H3L/M
1. Indoor Unit
- 10 -
Dimensions
Installation plate
Installation plate
Right rear piping
Left rear piping
ø70mm ø70mm
50mm
20mm
20mm
80mm
A
A
ø70mm
Center
Center
ø70mm
Left rear piping Right rear piping
A
A
D
H
W
Tubing hole cover
W mm 802 888
H mm 262 287
D mm 165 170
6K, 7K, 8K, 9K Btu Series 9K, 10K, 12K Btu Series
MODEL
DIM
( 6K, 7K, 8K, 9K )
( 6K, 7K, 8K, 9K )
( 9K, 10K, 12K )
( 9K, 10K, 12K )
Dieses Handbuch passt für folgende Modelle
4
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