LG LM-2164H2L User manual

Multi Type Room
Air Conditioner
SERVICE MANUAL
MODEL: LM-2164H2L/M
LM-3064H3L/M
Библиотека СОК 

Functions...................................................................................................................................... 3
Product Specifications................................................................................................................ 5
Dimensions................................................................................................................................... 7
Refrigeration Cycle Diagram..................................................................................................... 10
Wiring Diagram .......................................................................................................................... 11
Operation Details ....................................................................................................................... 12
Display Function........................................................................................................................ 19
Self-Diagnosis Function............................................................................................................ 19
Installation.................................................................................................................................. 20
Operation.................................................................................................................................... 34
Disassembly of the parts (Indoor Unit).................................................................................... 36
2-way, 3-way Valve ..................................................................................................................... 38
Cycle Troubleshooting Guide ....................................................................................................42
Electronic Parts Troubleshooting Guide.................................................................................. 43
Electronic Control Device ......................................................................................................... 50
Schematic Diagram.................................................................................................................... 53
Exploded View and Replacement Parts List............................................................................ 55
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Contents

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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 28°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

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Product Specifications
21,000(5,292) 14,000(3,528) 7,000(1,764)
21,000(5,292) 14,000(3,528) 7,000(1,764)
3.0 2.0 1.0
1Ø, 220-240V, 50Hz
Indoor 10.5 6.5
Outdoor 53
Indoor 41 38
Outdoor 55
2,200 1,420 900
2,200 1,420 830
9.7 6.2 4.0
9.7 6.2 3.8
9.5 9.9 7.8
9.5 9.9 8.4
Indoor 13 7.5
Outdoor 61
Indoor 888 x 287 x 170 / 802 x 262 x 165
Outdoor 870 x 655 x 320
Indoor 10 / 7
Outdoor 62
1,500 990
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 m3/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)
1. LM-2164H2L/M

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14,000(3,528) 10,000(2,520) 24,000(6,048) 14,000(3,528) 28,000(7,056)
14,000(3,528) 10,000(2,520) 24,000(6,048) 14,000(3,528) 28,000(7,056)
2.0 1.5 3.4 2.0 4.0
1Ø, 220-240V, 50Hz
10.5 6.5 – – –
58 – – –
41 38 – – –
60
1,520 1,400 2,750 1,520 2,870
1,550 1,460 2,840 1,320 2,700
6.7 6.2 12.3 6.7 12.8
6.8 6.4 8.7 5.8 12.0
9.2 7.1 8.5 9.2 9.8
9.0 6.8 8.5 10.6 10.4
13 7.5
101.5
888 x 287 x 170 / 802 x 262 x 165
870 x 800 x 320
10 7 – – –
83
1,170 1,220 – – –
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 m3/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)
2. LM-3064H3L/M

- 7 -
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
7K Btu Series 14K Btu Series
MODEL
DIM
(7K)
(7K)
(14K)
(14K )
1. Indoor Unit

- 8 -
W
D
L1
L2
L9
L4 L3
H
L10L10L10
L8
Gas side
3-Way valve
Liquid side
2-Way valve
L7L5L6
2. Outdoor Unit
2-1. LM-2164H2L/M
W mm 870
H mm 655
D mm 320
L1 mm 370
L2 mm 25
L3 mm 630
L4 mm 25
L5 mm 546
L6 mm 160
L7 mm 160
L8 mm 64
L9 mm 76.5
L10 mm 50
LM-2164H2L/M
MODEL
DIM

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W
L5L6 L7 L8
L3
H
D
L1
L2
L4
L10L9
Gas side
3-way valve
Liquid side
2-way valve
L10L10L10L10
2-2. LM-3064H3L/M
W mm 870
H mm 800
D mm 320
L1 mm 370
L2 mm 25
L3 mm 775
L4 mm 25
L5 mm 546
L6 mm 160
L7 mm 160
L8 mm 64
L9 mm 76.5
L10 mm 50
LM-3064H3L/M
MODEL
DIM

- 10 -
Refrigeration Cycle Diagram
1. LM-2164H2L/M
2. LM-3064H3L/M(Cooling & Heating models)
HEAT
EXCHANGER
COOLING
HEATING
DEICE
HEAT
EXCHANGER
CAPILLARY TUBE
COMPRESSOR-B
COMPRESSOR-A
CAPILLARY TUBE
2-WAY
VALVE
4-WAY
VALVE
B-UNITA-UNIT
3-WAY
VALVE
4-WAY
VALVE
Pipe Size (Diameter : inch)
Max.
piping length
(m)
Max.
piping elevation
(m)
Gas Liquid
3/8"(1/2") 1/4" 10~15 5~7
ex) Solenoid Valve
Capillary
Cooling & Deice
Heating
Indoor Unit Outdoor Unit
Heat
Exchanger
A-Unit
Heat
Exchanger
Comp-A
B-Unit
C-Unit
Heat
Exchanger
2- WAY
Valve
3- WAY
Valve
2- WAY
Valve
3- WAY
Valve Comp-B