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Model
LM-1966C2L_M LM-1966H2L_M LM-2166H2L_M LM-2065C3L_M LM-3065H3L_M
Pages
76
Size
2.75 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lm-2166h2l.zip
Date
PREV: LG LM-2164H2L Service Manual

LG LM-1966C2L_M / LM-1966H2L_M / LM-2166H2L_M / LM-2065C3L_M / LM-3065H3L_M Service Manual ▷ View online

- 12 -
1. LM-1966C2L/M (Cooling only model)
2. LM-1966H2L/M, LM-2166H2L/M (Cooling & Heating models)
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)
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
HEAT
EXCHANGER
COOLING
HEATING
DEICE
HEAT
EXCHANGER
CAPILLARY TUBE
COMPRESSOR-B
COMPRESSOR-A
CAPILLARY TUBE
2-WAY
VALVE
4-WAY
VALVE
B-UNIT
A-UNIT
3-WAY
VALVE
4-WAY
VALVE
Indoor Unit
Outdoor Unit
Capillary
Cooling & Deice
Heating
Refrigeration Cycle Diagram
- 13 -
3. LM-2065C3L/M (Cooling only model)
Pipe Size (Diameter : inch)
Max.
piping length
(m)
Max.
piping elevation
(m)
Gas
Liquid
3/8"
1/4"
10~15
5~7
ex)
Solenoid Valve
Capillary
Cooling
Indoor Unit
Outdoor Unit
Heat
Exchanger
A-Unit
Heat
Exchanger
Comp-A
Comp-B
B-Unit
C-Unit
Heat
Exchanger
2- WAY
Valve
3- WAY
Valve
2- WAY
Valve
3- WAY
Valve
- 14 -
4. LM-3065H3L/M
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
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
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 
- 15 -
Wiring Diagram(Indoor Unit)
1. LM-1966C2L/M
2. LM-1966H2L/M, LM-2166H2L/M, LM-2065C3L/M, LM-3065C3L/M
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