DOWNLOAD LG LS-H126RLN1 / LS-H096QLN1 / LS-H076QLN0 / S12LHH Service Manual ↓ Size: 4.51 MB | Pages: 67 in PDF or view online for FREE

Model
LS-H126RLN1 LS-H096QLN1 LS-H076QLN0 S12LHH
Pages
67
Size
4.51 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
ls-h126rln1-ls-h096qln1-ls-h076qln0-s12lhh.zip
Date
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LG LS-H126RLN1 / LS-H096QLN1 / LS-H076QLN0 / S12LHH Service Manual ▷ View online

Service Manual  45
Schematic Diagram
DISPLAY ASSEMBLY
– 6871A20227
TOP VIEW
BOTTOM VIEW
46 Room Air Conditioner
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
Service Manual  47
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
48 Room Air Conditioner
Troubleshooting Guide 
2-way,  3-way Valve 
2-way Valve (Liquid Side)
3-way Valve (Gas Side)
Shaft position
Shaft position
Service port 
Closed
Closed
Closed
(with valve cap)
(with valve cap)
(with cap) 
Open
Closed
Open
(counter-clockwise)
(clockwise)
(push-pin or with
vacumm pump)
Open
Open
Closed
(with valve cap)
(with valve cap)
(with cap)
Closed
Open
Open
(clockwise)
(counter-clockwise)
(connected manifold
gauge) 
Open
Open
Open
(with charging 
cylinder)
Open
Open
Open
(with charging
cylinder) 
Open
Open
Open
Open
Works
Shipping
Air purging
(Installation)
Operation
Pumping down
(Transfering)
Evacuation
(Servicing)
Gas charging
(Servicing)
Pressure check
(Servicing)
Gas releasing
(Servicing) 
1.
2.
3.
4.
5.
6.
Valve cap
Open position
Closed position
Pin
Service
port
Service
port cap
To outdoor unit
Flare nut
To 
piping 
connection
To outdoor unit
Hexagonal wrench (4mm)
Open position
Closed position
To 
piping 
connection
Flare nut
Open
(with charging cylinder)
Open
(with charging cylinder)
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