LG LM-1962C2N_M_D Service Manual ▷ View online
- 13 -
W
L5
L6
L7
L8
L3
H
D
L1
L2
L4
L10
L9
Gas side
3-way valve
3-way valve
Liquid side
2-way valve
2-way valve
L10
L10
L10
L10
2-2. Outdoor Unit
W
mm
870
870
H
mm
655
800
D
mm
320
320
L1
mm
370
370
L2
mm
25
25
L3
mm
630
775
L4
mm
25
25
L5
mm
546
546
L6
mm
160
160
L7
mm
160
160
L8
mm
64
64
L9
mm
76.5
76.5
L10
mm
50
50
LM-2062H3N/M/D
LM-3062H3N/M/D
MODEL
DIM
- 14 -
Refrigeration Cycle Diagram
INDOOR UNIT
HEAT
EXCHANGER
(EVAPORATOR)
EXCHANGER
(EVAPORATOR)
HEAT
EXCHANGER
(CONDENSER)
COMPRESSOR
A
B
COMPRESSOR
GAS SIDE
A-UNIT
B-UNIT
CAPILLARY TUBE
LIQUID SIDE
2-WAY VALVE
3-WAY VALVE
OUTDOOR UNIT
Pipe size(Diameter: inch)
Gas
Liquid
1/2"(3/8")
1/4"
Max.
Max.
Piping length
Elevation
(m)
(m)
10~15
5~7
1. Cooling Only Models (LM-1962C2N/M/D, LM-2162C2N/M/D)
2-1. Cooling & Heating Models (LM-1962H2N/M/D, LM-2162H2N/M/D)
HEAT
EXCHANGER
EXCHANGER
COOLING
HEATING
DEICE
HEATING
DEICE
HEAT
EXCHANGER
CAPILLARY TUBE
COMPRESSOR-B
COMPRESSOR-A
CAPILLARY TUBE
2-WAY
VALVE
VALVE
4-WAY
VALVE
VALVE
B-UNIT
A-UNIT
3-WAY
VALVE
VALVE
4-WAY
VALVE
VALVE
INDOOR UNIT
OUTDOOR UNIT
- 15 -
Indoor Unit
Outdoor Unit
Heat
Exchanger
Exchanger
A-Unit
4- WAY
Valve-A
Valve-A
Heat
Exchanger
Exchanger
Comp-A
4- WAY
Valve-B
Valve-B
Comp-B
B-Unit
C-Unit
Heat
Exchanger
Exchanger
2- WAY
Valve
Valve
3- WAY
Valve
Valve
2- WAY
Valve
Valve
3- WAY
Valve
Valve
2-2. Cooling & Heating Model (LM-2062H3N/D/M)
2-3. Cooling & Heating Model (LM-3062H3N/D/M)
Indoor Unit
Outdoor Unit
Heat
Exchanger
Exchanger
A-Unit
4- WAY
Valve-A
Valve-A
Heat
Exchanger
Exchanger
Comp-A
4- WAY
Valve-B
Valve-B
Comp-B
B-Unit
C-Unit
Heat
Exchanger
Exchanger
2- WAY
Valve
Valve
3- WAY
Valve
Valve
2- WAY
Valve
Valve
3- WAY
Valve
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
Check Valve
Cooling & Deice
Heating
- 16 -
Wiring Diagram(Cooling Only)
1-1. Indoor Unit
1-2. Outdoor Unit
1(L)
3
2(N)
TO OUTDOOR UNIT
STEP
MOTOR
MOTOR
MAIN PCB
ASM
INDOOR WIRING DIAGRAM
3854AP3276B
PILLAR
TERMINAL
TERMINAL
BR
BL
BR
BL
OR
BR
YL
OR
BR
YL
RD
RY-H
RY-M
RY-L
TRANS-
FORMER
FORMER
OPTION
FORCED
OPERATION
SWITCH
OPERATION
SWITCH
THERMISTOR
SH-CAPA
YL
1
4
3
2
CN-4WAY
CN-UP/DOWN
CN-TH
CN-POWER
CN-FAN
RY-COMP
FUSE T2A
CN-TRANS
CN-CISP
GN/YL
GN/YL
DISPLAY PCB ASM
1(L)
1(L)
1(L)
2(N)
2(N)
2(N)
3
3
OUTDOOR WIRING DIAGRAM
YL
RD
RD
R
BK
BK
BK
RD
RD
BR
O.L.P
S
C
C
O.L.P
S
WH
BL
YL
GN/YL
GN/YL
GN/YL
BK
WH
WH
WH
RD
BL
BL
BK
OR
OR
NO
NC
C
3
1
7
8
6
POWER
RELAY
RELAY
TERMINAL
BLOCK
CAPACITOR
CAPACITOR
R
CAPACITOR
COMP
"A"
COMP
"B"
MOTOR
TO INDOOR UNIT
A-UNIT
B-UNIT
3854AP3276A
MAIN POWER
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