DOWNLOAD LG LT-D3680CL / LT-D3680HL / LT-D3682HL / LT-D4820CL / LT-D4820HL / LT-D4822HL / LT-D4880CL / LT-D4880HL Service Manual ↓ Size: 1.77 MB | Pages: 55 in PDF or view online for FREE

Model
LT-D3680CL LT-D3680HL LT-D3682HL LT-D4820CL LT-D4820HL LT-D4822HL LT-D4880CL LT-D4880HL
Pages
55
Size
1.77 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lt-d3680hl.zip
Date
PREV: LG LT-B2421CL / LT-B2421HL / LT-B2461CL / LT-B2461HL / LT-B2821CL / LT-B2821HL / LT-B2861CL / LT-B2861HL / LT-B3021CL / LT-B3021HL / LT-B3621CL / LT-B3621HL / LT-B3661CL / LT-B3661HL / LT-B3681CL / LT-B3681HL Service Manual

LG LT-D3680CL / LT-D3680HL / LT-D3682HL / LT-D4820CL / LT-D4820HL / LT-D4822HL / LT-D4880CL / LT-D4880HL Service Manual ▷ View online

–11–
• COOLING ONLY(LT-D3680CL, LT-D4880CL, LT-D4820CL)
• Rated performance for refrigerant line length of: 7.5m
• If 48K Capacity is installed at a distance of 15m, 450g of refrigerant 
should be added ....................................................(15-7.5) x 60g
INDOOR UNIT
OUTDOOR UNIT
HEAT
EXCHANGER
(CONDENSER)
HEAT
EXCHANGER
(CONDENSER)
COMPRESSOR
GAS SIDE
LIQUID SIDE
CAPILLARY TUBE
Capacity
36K
5/8"
3/8"
7.5
50
48K
3/4"
3/8"
7.5
50
GAS
LIQUID
5
30
50
5
30
60
Elevation (m)
Length (m)
* Additional
refrigerant
(g/m)
Pipe Size
Rated
Rated
Max.
Max.
–12–
Wiring Diagram
(1) Capacity: 48K(3ø) - 
LT-D4882HL, LT-D4880HL, LT-D4880CL
<HEAT PUMP>
<COOLING ONLY>
OUTDOOR WIRING DIAGRAM
INDOOR WIRING DIAGRAM
INDOOR
MOTOR
DRAIN
PUMP
STEP
MOTOR
TEMP
.
THERMIST
OR
PIPE
      THERMISTOR
REMOTE
CONTROL
FLOAT  S/W
CN - DISP
DISPLAY PCB
ONLY LT-D xxx2HL
AIR
CLEANER
H.V
. ASSY
DOOR  S/W
TERMINAL
BLOCK
T
O
  OUTDOOR UNIT
3854A20072G
3854A20072H
BR
YL
BK
OR
BL
BL
BR
GN/YL
RD
BK
BL
GN
/YL
COMP
RD
BK
WH
RD
BK
1       2
3      4       5
FUSE T3.15A
4  
W
A
Y
R
TM
POWER SUPPLY
S T N
BK
BK
BK
WH
WH
WH
RD
OR
BK
63H
2
WH
D.P
C TH
TNS
NO
NC
WH
OR
BK
52F1
52C
1
2
3
4
5
6
31
T/B1
T/B2
32
B
A
FMo
49FMo
FMo
49FMo
YL BK
OR
BK
T3
T2
T1
RD
WH
CM
1
2
3
4
5
6
7
8
YL BK
OR
BK
BK
BL
BL
WH
WH
Co
Co
20SV
GN/YL
TMo
T
o
  the  indoor  unit
1(L)
2(N)
3
4
5
BK
WH
WH
YL
BK
RD
F1
F1
OUTDOOR WIRING DIAGRAM
INDOOR WIRING DIAGRAM
INDOOR
MOTOR
DRAIN
PUMP
STEP
MOTOR
TEMP
.
THERMIST
OR
PIPE
      THERMISTOR
REMOTE
CONTROL
FLOAT  S/W
CN - DISP
DISPLAY PCB
ONLY LT-D xxx2CL
AIR
CLEANER
H.V
. ASSY
DOOR  S/W
TERMINAL
BLOCK
T
O
  OUTDOOR UNIT
3854A20072P
3854A20072Z
BR
YL
BK
OR
BL
BL
BR
GN/YL
RD
BL
GN
/YL
COMP
BK
RD
WH
RD
BK
1       2
3      4       5
FUSE T3.15A
GN/YL
TMo
T
o
  the  indoor  unit
2(N)
1(L)
3
4
5
F1
F1
R
TM
POWER SUPPLY
S T N
BK
BK
WH
RD
WH
WH
52C
1
2
3
4
5
6
31
32
B
A
FMo
49FMo
FMo
49FMo
BK
T3
T2
T1
RD
WH
BK
BL
WH
WH
CM
YL
BK
OR
Co
Co
YL
OR
BK
BR
BK
OR
OR
BR
–13–
(2) Capacity: 36K(3ø) - LT-D3680HL, LT-D3680CL, LT-D3682HL
<HEAT PUMP>
<COOLING ONLY>
OUTDOOR WIRING DIAGRAM
INDOOR WIRING DIAGRAM
INDOOR
MOTOR
DRAIN
PUMP
STEP
MOTOR
TEMP
.
THERMIST
OR
PIPE
      THERMISTOR
REMOTE
CONTROL
FLOAT  S/W
CN - DISP
DISPLAY PCB
ONLY LT-D xxx2HL
AIR
CLEANER
H.V
. ASSY
DOOR  S/W
TERMINAL
BLOCK
T
O
  OUTDOOR UNIT
3854A20072G
3854A90021F
BR
YL
BK
OR
BL
BL
BR
GN/YL
RD
BK
BL
GN
/YL
COMP
RD
BK
WH
RD
BK
1       2
3      4       5
FUSE T3.15A
4  
W
A
Y
7
8
1
TM
380-415V
3Ø, 50Hz
POWER SUPPLY
BK
63H2
52C
1
3
5
31
2
4
6
32
B
A
BK
WH
BK
52F1
1
2
3
4
5
6
TNS
NO
C  TH
NC
D.P
WH
BK
WH
BK
WH
BL
RD
GN/YL
BL
BK
WH
T/B1
F1
BK
WH
WH
RD
BK
WH
BK
BK
RD
WH
T1
T3
T2
CH1
Co
OR
YL
Co
OR
FMo
1
FMo
2
CM
YL
YL
BK
BK
BR
BK
BL
BK
WH
GN/YL
TMo
T
o
  the  indoor  unit
WH
2 3 4
R S T N
20SV
BK
BK
BK
BK
1
2
3
4
5
6
OUTDOOR WIRING DIAGRAM
INDOOR WIRING DIAGRAM
INDOOR
MOTOR
DRAIN
PUMP
STEP
MOTOR
TEMP
.
THERMIST
O
R
PIPE
      THERMISTOR
REMOTE
CONTROL
FLOAT  S/W
CN - DISP
DISPLAY PCB
ONLY LT-D xxx2CL
AIR
CLEANER
H.V
. ASSY
DOOR  S/W
TERMINAL
BLOCK
T
O
  OUTDOOR UNIT
3854A20072P
3854A90010Y
BR
YL
BK
OR
BL
BL
BR
GN/YL
RD
BL
GN
/YL
COMP
BK
RD
WH
RD
BK
1       2
3      4       5
FUSE T3.15A
1
TM
380-415V
3ø,50Hz
POWER SUPPLY
BK
52C
1
3
5
31
2
4
6
32
B
A
BK
WH
WH
BK
WH
BL
GN/YL
T/B
F1
BK
WH
RD
WH
BK
RD
WH
T1
T3
T2
Co
OR
YL
Co
OR
FMo
1
FMo
2
CM
YL
BK
BK
BR
BL
BK
BK
BK
WH
GN/YL
TMo
T
o
  the  indoor  unit
WH
WH
2 3 4
R S T N
1
2
3
4
5
6
(3) Capacity: 48K(1ø) - LT-D4820HL, LT-D4820CL
<HEAT PUMP>
<COOLING ONLY>
–14–
OUTDOOR WIRING DIAGRAM
INDOOR WIRING DIAGRAM
3854A20072G
3854A20072X
INDOOR WIRING DIAGRAM
INDOOR
MOTOR
DRAIN
PUMP
STEP
MOTOR
TEMP
.
THERMIST
OR
PIPE
      THERMISTOR
REMOTE
CONTROL
FLOAT  S/W
CN - DISP
DISPLAY PCB
ONLY LT-D xxx2HL
AIR
CLEANER
H.V
. ASSY
DOOR  S/W
TERMINAL
BLOCK
T
O
  OUTDOOR UNIT
BR
YL
BK
OR
BL
BL
BR
GN/YL
RD
BK
BL
GN
/YL
COMP
RD
BK
WH
RD
BK
1       2
3      4       5
FUSE T3.15A
4  
W
A
Y
CM
1
2
3
4
5
6
1Ø,220V,60Hz
POWER SUPPLY
L
N
1
2
3
2
5
2
31
32
B
A
WH
BR
BR
RD
YL YL
YL
FMo
1
49FMo
FMo
2
49FMo
Co
TM
52C
63H2
Co
BK YL
BK
OR
OR
RD
BK
BK
RD
Cr
T2
T3
T1 
WH
WH
WH
BK
BK
WH
WH
WH
BL
YL
BK
WH
BL
RD
GN/YL
To  the  indoor  unit
52F1
BL
WH
PTCR
GN/YL
GN/YL
Tmo
1
2
3
4
5
6
7
8
F1
T/B1
T/B2
RD
RD
20SV
BK
BK
BK
BR
OR
BK
D.P
TNS
NO
NC
C  TH
WH
WH
OUTDOOR WIRING DIAGRAM
INDOOR WIRING DIAGRAM
INDOOR
MOTOR
DRAIN
PUMP
STEP
MOTOR
TEMP
.
THERMIST
OR
PIPE
      THERMISTOR
REMOTE
CONTROL
FLOAT  S/W
CN - DISP
DISPLAY PCB
ONLY LT-D xxx2CL
AIR
CLEANER
H.V
. ASSY
DOOR  S/W
TERMINAL
BLOCK
T
O
  OUTDOOR UNIT
3854A20072P
3854A20072Y
BR
YL
BK
OR
BL
BL
BR
GN/YL
RD
BL
GN
/YL
COMP
BK
RD
WH
RD
BK
1       2
3      4       5
FUSE T3.15A
CM
1
2
3
4
5
6
1Ø,220V,60Hz
POWER SUPPLY
L
N
1
2
3
4
5
6
31
32
B
A
WH
BR
BR
OR
BK
YL
FMo
1
49FMo
FMo
2
49FMo
Co
TM
52C
Co
BK YL
BK
OR
OR
BK
BK
RD
Cr
T2
T3
T1 
WH
WH
WH
BK
BK
BK
BK
WH
BL
GN/YL
To  the  indoor  unit
BL
WH
PTCR
GN/YL
GN/YL
Tmo
F1
BK
BK
BR
WH
Page of 55
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