DOWNLOAD LG LB-F3680HL / LB-F3680CL Service Manual ↓ Size: 1.47 MB | Pages: 70 in PDF or view online for FREE

Model
LB-F3680HL LB-F3680CL
Pages
70
Size
1.47 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lb-f3680hl-lb-f3680cl.zip
Date

LG LB-F3680HL / LB-F3680CL Service Manual ▷ View online

Refrigeration Cycle Diagram
LB-F3680HL
(
§
Rated performance for refrigerant line length of: 5m)
For installation over rated distance, 70g of refrigerant should be added for each meter.
ex) When installed at a distance of 15m, 700g of refrigerant should be added.
(15-5) x 70g = 700g
Pipe size(Diameter: ø)
Piping length(m)
Elevation(m)
MODEL
Gas
Liquid
Rated
Max.
Rated
Max.
LB-F3680HL
5/8"
3/8"
5
25
5
15
INDOOR UNIT
OUTDOOR UNIT
HEAT
EXCHANGER
HEAT
EXCHANGER
COMPRESSOR
GAS SIDE
LIQUID SIDE
COOLING
HEATING
REVERSING
VALVE
CHECK VALVE
CAPILLARY TUBE
CAPILLARY TUBE
BY PATH CAPILLARY TUBE
–7–
–8–
LB-F3680CL
(
§
Rated performance for refrigerant line length of: 5m)
For installation over rated distance, 70g of refrigerant should be added for each meter.
ex) When installed at a distance of 15m, 700g of refrigerant should be added.
(15-5) x 70g = 700g
Pipe size(Diameter: ø)
Piping length(m)
Elevation(m)
MODEL
Gas
Liquid
Rated
Max.
Rated
Max.
LB-F3680CL
5/8"
3/8"
5
25
5
15
INDOOR UNIT
OUTDOOR UNIT
HEAT
EXCHANGER
(CONDENSER)
HEAT
EXCHANGER
(CONDENSER)
COMPRESSOR
GAS SIDE
LIQUID SIDE
CAPILLARY TUBE
Wiring Diagram
Model: LB-F3680HL
(1) Indoor Unit
(2) Outdoor Unit
–9–
2
6
4
COi
GN/YL
FMi
TRANS
WH
BL
BK
GN/YL
GN/YL
RD
OR
CN-TRANS2
PWB  ASM
CN-POWER
CN-TRANS1
Hi Med Low
CN-MOTOR
R
Y
-F
AN
R
Y
-4W
A
Y
R
Y
-COMP
CN-OUT
CN-TH
EVA
TH
ROOM
TH1
1
3
6
DC-12V
SIGNAL
GND
CN-REMO
INDOOR ELECTRIC CIRCUIT
INDOOR UNIT
OUTDOOR UNIT
( RD
)
( YL
)
( BR
)
P/NO : 3854A90021E 
4
5
3
2
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
BL
BK
WH
T/B1
F1
BK
WH
WH
RD
BK
WH
BK
BK
RD
WH
T1
T3
T2
CH1
 BR
Co
OR
YL
Co
OR
FMo
1
FMo
2
CM
YL
YL
BK
BK
BK
BL
WH
2 3 4
R S T N
20SV
BK
BK
BK
BK
BK
BK
WH
WH
BK
1
NOTE
BL  : BLUE
BK  : BLACK
BR  : BROWN
OR : ORANGE       GN/YL : GREEN/YELLOW
RD  : RED
WH : WHITE
YL  : YELLOW
Re
7
8
1
TM
380-415V
3Ø, 50Hz
POWER SUPPLY
BK
63H2
52C
Outdoor  Unit  Wiring  Diagram
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
NOTE
BL  : BLUE
BK  : BLACK
BR  : BROWN
OR : ORANGE       GN/YL : GREEN/YELLOW
63H2
C  TH
20SV
52C
Tmo
HIGH PRESSURE SWITCH FOR HEATING
THERMISTOR FOR PIPE TEMP.
REVERSING COIL
MAGNECTIC CONTACTOR
TERMINAL BLOCK
TM
52F1
CM
Co
FMo
MAIN TERMINAL BLOCK
RELAY FOR FMo
COMPRESSOR
RUN CAPACITOR FOR FMo
OUTDOOR FAN MOTOR
F1
DP
CH1
FUSE (250V, 5A)
DEICER PCB
CRANK CASE HEATER FOR CM
P/NO : 3854A90021F
RD  : RED
WH : WHITE
YL  : YELLOW
FMo
2
CM
YL
YL
BK
BK
BR
BK
BL
BK
WH
WIRING OF FIELD
(CONNECTING WIRE)
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
Model: LB-F3680CL
(1) Indoor Unit
(2) Outdoor Unit
–10–
2
6
COi
GN/YL
FMi
TRANS
WH
BL
BK
GN/YL
GN/YL
OR
CN-TRANS2
PWB  ASM
CN-POWER
CN-TRANS1
Hi Med Low
CN-MOTOR
R
Y
-F
AN
R
Y
-4W
A
Y
R
Y
-COMP
CN-OUT
1
3
6
INDOOR ELECTRIC CIRCUIT
INDOOR UNIT
OUTDOOR UNIT
P/NO : 3854A90010X
3
2
1
NOTE
BL  : BLUE
BK  : BLACK
BR  : BROWN
OR : ORANGE       GN/YL : GREEN/YELLOW
RD  : RED
WH : WHITE
YL  : YELLOW
CN-TH
EVA
TH
ROOM
TH1
DC-12V
SIGNAL
GND
Re
CN-REMO
( RD
)
( YL
)
( BR
)
1
TM
380-415V
3ø,50Hz
POWER SUPPLY
BK
52C
1
3
5
31
2
4
6
32
B
A
BK
WH
WH
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
BK
BK
WH
WH
WH
WH
2 3 4
R S T N
1
TM
380-415V
3ø,50Hz
POWER SUPPLY
BK
52C
Outdoor  Unit  Wiring  Diagram
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
NOTE
BL  : BLUE
BK  : BLACK
BR  : BROWN
OR : ORANGE     
52C
TMo
CM
Co
MAGNECTIC CONTACTOR
TERMINAL BLOCK
COMPRESSOR
RUN CAPACITOR FMo
TM
FMo
F1
MAIN TERMINAL BLOCK
OURDOOR FAN MOTOR
FUSE (250V, 5A)
P/NO : 3854A90010Y
RD  : RED
WH : WHITE
FMo
2
CM
YL
BK
BK
BR
BL
BK
BK
BK
WH
WIRING OF FIELD
(CONNECTING WIRE)
GN/YL
TMo
T
o  the  indoor  unit
WH
WH
2 3 4
R S T N
1
2
3
4
5
6
GN/YL : GREEN/YELLOW
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