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Model
AS-C186TLB1 AS-C186TLM1 AS-C186TMA1 AS-C186TNA1 AS-C246TLB0 AS-C246TLM0 AS-C246TMA0 AS-C246TNA0 AS-H146TLM0 AS-H186TLB0 AS-H186TLM0 AS-H186TMA0 AS-H186TNA0 AS-H246TLB0 AS-H246TLM0 AS-H246TMA0 AS-H246TNA0
Pages
76
Size
6.24 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
as-c186tlb1-as-c186tlm1-as-c186tma1-as-c186tna1-as.zip
Date
PREV: LG V-C9255WA Service Manual

LG AS-C186TLB1 / AS-C186TLM1 / AS-C186TMA1 / AS-C186TNA1 / AS-C246TLB0 / AS-C246TLM0 / AS-C246TMA0 / AS-C246TNA0 / AS-H146TLM0 / AS-H186TLB0 / AS-H186TLM0 / AS-H186TMA0 / AS-H186TNA0 / AS-H246TLB0 / AS-H246TLM0 / AS-H246TMA0 / AS-H246TNA0 Service Manual ▷ View online

Service Manual  45
MOTOR
OR
RD
BK
BK
BK
BK
BK
BK
BK
BK
BK
PO
WER
GN/YL
GN/YL
BR(BK/Plained)
BL(WH/Rib
bed)
BK
YL
SH-CAPA
T/BOARD
T-BLOCK
RY-4WAY
RY-FAN
CN-MOTOR
THERMISTOR
STEP
MOTOR
CN-A
CDC1
CN-A
CDC2
CN-TH
CN-U/D
CN-L/R
CN-HVB
CN-12V
CN-DISP
DISPLAY PWB ASM.
P/No : 3854A20238H
CN-CONT
TRIAC
AC PWB ASM.
DC PWB ASM.
CN-TAB
RY-COMP
TO OUTDOOR UNIT
INDOOR WIRING DIAGRAM
4
3
1(L)
BR
BR
BL
BK
RD
GN/YL
2(N)
3
4
FUSE
250V T2A
STEP
MOTOR
H.V.
ASM.
S/W1
S/W2
AIR
CLEAN
(PLASMA)
MOTOR
OR
RD
BK
BK
BK
BK
BK
BK
BK
BK
BK
PO
WER
BR(BK/Plained)
BL(WH/Rib
bed)
BK
YL
SH-CAPA
T/BOARD
T-BLOCK
CN-MOTOR
THERMISTOR
STEP
MOTOR
CN-A
CDC1
CN-A
CDC2
CN-TH
CN-U/D
CN-L/R
CN-HVB
CN-12V
CN-DISP
DISPLAY PWB ASM.
P/No : 3854A20238J
CN-CONT
TRIAC
AC PWB ASM.
DC PWB ASM.
CN-TAB
RY-COMP
TO OUTDOOR UNIT
4
3
1(L)
BR
BR
BL
GN/YL
2(N)
FUSE
250V T2A
STEP
MOTOR
H.V.
ASM.
S/W1
S/W2
AIR
CLEAN
(PLASMA)
GN/YL
GN/YL
Wiring Diagram
Indoor Unit 
AS-C186TLB1
AS-C186TLM1
AS-C186TMA1
AS-C186TNA1
AS-C246TLB0
AS-C246TLM0
AS-C246TMA0
AS-C246TNA0
AS-C186TLB1
AS-C186TLM1
AS-C186TMA1
AS-C186TNA1
AS-C246TLB0
AS-C246TLM0
AS-C246TMA0
AS-C246TNA0
AS-H186TLB0
AS-H186TLM0
AS-H186TMA0
AS-H186TNA0
AS-H146TLM0
AS-H246TLB0
AS-H246TLM0
AS-H246TMA0
AS-H246TNA0
Outdoor Unit 
BR
BR(OR)
OPTION
PTC
YL
RD
C
R
S
COMP.
BK
YL
FAN
MOTOR
TP
H
C 
F
TO INDOOR UNIT
OUTDOOR WIRING DIAGRAM                                       3854AR2735F
TERMINAL
BLOCK
BR
BL
GN/YL
GN/YL
GN/YL
T/B
CAPACITOR
1(L) 2(N)
RD
BR(OR)
OPTION
OPTION
PTC
YL
BK
(BR)
C
R
S
COMP.
BK
YL
FAN
MOTOR
TP
H
C 
F
TO INDOOR UNIT
TERMINAL
BLOCK
BR
BL
GN/YL
GN/YL
GN/YL
T/B
CAPACITOR
1(L) 2(N)
3854A20167B
Wiring diagram
46 Room Air Conditioner
COMP
C S R
FAN
MOTOR
BR
BR
BL
RD
BK
GN/YL
BR
BL
RD
BK
YL
BK(RD)
BK
(RD)
BR(OR)
GN/YL
REVERSING
YL
CAPACITOR
RD
TO  INDOOR  UNIT 
OUTDOOR  WIRING  DIAGRAM
3854A20167A
TERMINAL
BLOCK
H
C
F
PTC
1(L) 2(N)
3
4
VALVE
T / B  2
T / B  1
Outdoor Unit 
AS-H246TLB0, AS-H246TLM0
AS-H246TMA0, AS-H246TNA0
AS-H186TLB0, AS-H186TLM0
AS-H186TMA0, AS-H186TNA0
AS-H146TLM0
Wiring Diagram
Service Manual  47
Troubleshooting Guide 
Troubleshooting Guide 
INDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
OUTDOOR UNIT
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
HEAT
EXCHANGE
(CONDENSER)
COMPRESSOR
COMPRESSOR
ACCUMU
LATOR
GAS SIDE
GAS SIDE
3-WAY VALVE
LIQUID SIDE
LIQUID SIDE
3-WAY VALVE
CAPILLARY TUBE
CAPILLARY TUBE
CHECK VALVE
(Heating Model only)
COOLING
HEATING
REVERSING
VALVE
(Heating Model Only)
(1) Cooling Only Models
Refrigeration Cycle Diagram
(2) Cooling & Heating Models
48 Room Air Conditioner
Troubleshooting Guide 
CAUTION:
* Capicity is based on standard length and maximum allowance length is the
basis of reliability.
* Oil trap should be installed per 5~7 meters.
Outdoor unit
Indoor unit
A
B
A
Oil trap
Outdoor unit
Indoor unit
B
In case more than 5m
7k~14k
3/8"(Ø9.52)
1/4"(Ø6.35)
4 or 7.5
7
15
20
1/2"(Ø12.7)
1/4"(Ø6.35)
4 or 7.5
7
15
20
1/2"(Ø12.7)
1/4"(Ø6.35)
4 or 7.5
15
30
20
18k~28k
5/8"(Ø15.88)
1/4"(Ø6.35)
4 or 7.5
15
30
20
5/8"(Ø15.88)
3/8"(Ø9.52)
4 or 7.5
15
30
30
30k~38k
5/8"(Ø15.88)
3/8"(Ø9.52)
7.5
15
30
30
3/4"(Ø19.05)
3/8"(Ø9.52)
7.5
15
30
50
Pipe Size
Capacity
(Btu/h)
GAS
LIQUID
Additional
Refrigerant
(g/m)
Max. 
Length
A  (m)
Max.
Elevation
B  (m)
Standard
Length
(m)
Pipe Length and the Elevation
Page of 76
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