LG LM-3061H2L/M Manuel utilisateur
Multi Type Room Air Conditioner
SERVICE MANUAL
MODEL: LM-3061H2L/M
LM-3061B2L
LM-3061C2L/M
Functions...................................................................................................................................... 3
Product Specifications................................................................................................................ 5
Dimensions....................................................................................................................................7
Refrigeration Cycle Diagram....................................................................................................... 9
Wiring Diagram .......................................................................................................................... 10
Operation Details ....................................................................................................................... 11
Display Function........................................................................................................................ 17
Self-diagnosis Function ............................................................................................................ 17
Installation.................................................................................................................................. 18
Disassembly of the parts(Indoor unit) ..................................................................................... 37
2-way, 3-way Valve ..................................................................................................................... 39
Cycle Troubleshooting Guide ....................................................................................................43
Electronic Parts Troubleshooting Guide.................................................................................. 44
Electronic Control Device ......................................................................................................... 51
Schematic Diagram.................................................................................................................... 53
Exploded View and Replacement Parts List............................................................................ 56
- 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)
Health Dehumidification operation
• 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
OUT
DOOR
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 -
Product Specifications
28,500(7,182) 17,500(4,410)11,000(2,772)
28,500(7,182) 17,500(4,410)11,000(2,772)
4.2 2.5 1.7
1Ø, 220-240V, 50Hz
Indoor 13 9
Outdoor 58
Indoor 44 +1 38+1
Outdoor 57 +1
3,050 1,950 1,250
2,750 1,850 1,100
13 8.5 5.5
12.5 8.2 4.8
9.3 9.0 8.8
3.0 2.8 2.9
Indoor 22 13
Outdoor 80
Indoor
1,080 x 314 x 181
888 x 287 x 170
Outdoor 870 x 800 x 320
Indoor 11 9
Outdoor 83
1,400 1,080
O
L.C.D Wireless
Liquid 1/4"(6.35)
Gas 1/2"(12.7)
O
O
Operation A-Unit Only
A-Unit + B-Unit B-Unit Only
Unit
Item
Cooling Capacity
Heating Capacity
Moisture Removal ℓ/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) 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-3061H2L/M, LM-3061B2L
- 6 -
28,500(7,182) 17,500(4,410)11,000(2,772)
4.2 2.5 1.7
1Ø, 220-240V, 50Hz
Indoor 13.0 9.0
Outdoor 58
Indoor 44 +1 38+1
Outdoor 57 +1
3,050 1,950 1,250
13.0 8.5 5.5
9.3 9.0 8.8
Indoor 22 13
Outdoor 80
Indoor
1,080 x 314 x 181
888 x 287 x 170
Outdoor 870 x 800 x 320
Indoor 11.0 9.0
Outdoor 67
1,400 950
O
L.C.D Wireless
Liquid 1/4"(6.35)
Gas 1/2"(12.7)
O
O
Operation A-Unit Only
A-Unit + B-Unit B-Unit Only
Unit
Item
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
Running 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
2. LM-3061C2L/M
1. Indoor Unit
- 7 -
Dimensions
D
H
W
Installation plate
Tubing hole cover
W
H
Tubing hole cover
Tubing hole cover
Installation plate
D
W mm 1,080 888
H mm 314 287
D mm 181 170
18k 12k
MODEL
DIM
( 18k ) ( 12k )
- 8 -
W
L5L6 L7 L8
L3
H
D
L1
L2
L4
L9
Gas side
3-way valve
Liquid side
2-way valve
L10L10L10
2. Outdoor Unit
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-3061H2L/M, LM-3061B2L, LM-3061C2L/M
MODEL
DIM
- 9 -
Refrigeration Cycle Diagram
Indoor Unit Outdoor Unit
Heat
Exchanger
B-Unit
4- WAY
Valve-B Heat
Exchanger
Comp-B
2- WAY
Valve
3- WAY
Valve
Heat
Exchanger
A-Unit
4- WAY
Valve-A
Comp-A
2- WAY
Valve
3- WAY
Valve
Pipe Size (Diameter : inch)
Max.
piping length
(m)
Max.
piping elevation
(m)
Gas Liquid
1/2" 1/4" 10~15 5~7
ex) Capillary
Cooling & Deice
Heating
A-UNIT B-UNIT
CAPILLARY TUBE
LIQUID SIDE
2-WAY VALVE
GAS SIDE
3-WAY VALVE
HEAT
EXCHANGER
(EVAPORATOR)
HEAT
EXCHANGER
(CONDENSER)
COMPRESSOR
B
COMPRESSOR
A
1. LM-3061H2L/M, LM-3061B2L(Cooling & Heating Model)
2. LM-3061C2L/M(Cooling Model)
3854A20023B
INDOOR WIRING DIAGRAM
CN-DISP1
CN-U/D
FUSE
AC250V/T2A
CN-TH
SSR
SH-CAPA.
BR
YL
OR
BK
CN-POWER CN-FAN
ZNR
THERMISTOR
FORCED
OPERATION
AUTO
RESTART
REMOTE
CONTROL
STEP
MOTOR
MOTOR
MAIN PCB
ASM
DISPLAY PCB ASM
TO OUTDOOR UNIT
PILLAR
TERMINAL
BR
BL
YL
1(L)2(N)
3
OUTDOOR WIRING DIAGRAM
3854AP3911J
MAIN PCB ASSY
TO INDOOR UNIT
A-UNIT B-UNIT MAIN
POWER
TERMINAL
BLOCK
CN-TRANS
BK BK
BR BL
BL YL
BK BK
BK
BK
BK
BK
OR
HCF
YL
BK
BK
"A"
COMP
BL
BK
RD
RD
SR
CC
RBR
BK
YL
S
BK
BK T/B2
T/B1
T/B3
GN/YL
MOTOR
BK
7
433113 21
531 3 1
BK
WH
WH BK GN/YL
GN/YL
WH
CN-COM
CN-TH1 CN-TH2
CN-POWER
CN-SV
RY9
RY3
RY2
RY1
RY10
CN-FANCN-COMP
CAPA.
CAPA.
FUSE T3.15A
THERMISTOR
THERMISTOR
TRANS-
FORMER
OLP
"B"
COMP
1(L) 1(L)2(N) 1(L) 2(N)2(N)
33
A 4-WAY
B 4-WAY
OPTION
3854A20023D
INDOOR WIRING DIAGRAM
CN-DISP1
CN-U/D
FUSE
AC250V/T2A
CN-TH1
SSR
SH-CAPA.
BR
YL
OR
BK
CN-TAB1
ZNR
CN-MOTOR
THERMISTOR
FORCED
OPERATION
AUTO
RESTART
REMOTE
CONTROL
STEP
MOTOR
MOTOR
MAIN PCB
ASM
DISPLAY PCB ASM
TO OUTDOOR UNIT
PILLAR
TERMINAL
BR
BL
YL
GN/YL
1(L)2(N)
3
RY-COMP.
4
3
BK
RD
R
C
BR
RD
WH
A-UNIT
TO INDOOR UNIT
OUTDOOR WIRING DIAGRAM
3854A20023Q
B-UNIT MAIN POWER
1(L) 2(N) 3 3 2(N) 1(L) 1(L) 2(N)
BK RD BL
BL
BL
RD POWER
RELAY
OR
OR
MOTOR YLBK
O.L.P
T/B 3
T/B 4
T/B 1 T/B 2
C
R
FCH
SWH
BL
BR
BK
COMP
"B"
CAPACITOR
NO
NC C
3
6
1
7
8
BK
WH
BK
BK
TERMINAL
BLOCK
GN/YL
GN/YL
S
COMP
"A"
YL
CAPACITOR
- 10 -
Wiring Diagram
1. LM-3061H2L/M, LM-3061B2L
Indoor Unit Outdoor Unit
2. LM-3061C2L/M
Indoor Unit Outdoor Unit
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