LG LB-H1860HL_CL / LB-H2460HL_CL / LB-G3680HL_CL Service Manual ▷ View online
Refrigeration Cycle Diagram
• HEAT PUMP (LB-H1860HL / LB-H2460HL / LB-G3680HL)
• Rated performance for refrigerant line length of: 7.5m
• If 18K Model is installed at a distance of 15m, 255g of refrigerant should be added (15-7.5)x30g=225g
• If 18K Model is installed at a distance of 15m, 255g of refrigerant should be added (15-7.5)x30g=225g
–9–
INDOOR UNIT
OUTDOOR UNIT
HEAT
EXCHANGER
EXCHANGER
HEAT
EXCHANGER
EXCHANGER
COMPRESSOR
GAS SIDE
LIQUID SIDE
COOLING
HEATING
REVERSING
VALVE
VALVE
CAPILLARY TUBE
LB-H1860HL
5/8"
1/4"
7.5
50
5
30
30
LB-H2460HL
5/8"
1/4"
7.5
50
5
30
35
LB-G3680HL
5/8"
1/4"
7.5
50
5
30
45
*Additional
refrigerant
(g/m)
Pipe size(Diameter: ø)
Piping length(m)
Elevation(m)
MODEL
Gas
Liquid
Rated
Max.
Rated
Max.
–10–
• COOLING ONLY (LB-H1860CL / LB-H2460CL / LB-G3680CL)
• Rated performance for refrigerant line length of: .7.5m
• If 18K Model is installed at a distance of 15m, 225g of refrigerant should be added (15-7.5)x30g=225g
• If 18K Model is installed at a distance of 15m, 225g of refrigerant should be added (15-7.5)x30g=225g
INDOOR UNIT
OUTDOOR UNIT
HEAT
EXCHANGER
(CONDENSER)
EXCHANGER
(CONDENSER)
HEAT
EXCHANGER
(CONDENSER)
EXCHANGER
(CONDENSER)
COMPRESSOR
GAS SIDE
LIQUID SIDE
CAPILLARY TUBE
LB-H1860CL
5/8"
1/4"
7.5
50
5
30
30
LB-H2460CL
5/8"
1/4"
7.5
50
5
30
35
LB-G3680CL
5/8"
1/4"
7.5
50
5
30
45
*Additional
refrigerant
(g/m)
Pipe size(Diameter: ø)
Piping length(m)
Elevation(m)
MODEL
Gas
Liquid
Rated
Max.
Rated
Max.
–11–
Wiring Diagram
HEAT PUMP
Model : LB-H1860HL / LB-H2460HL
COOLING ONLY
Model : LB-H1860CL / LB-H2460CL
OUTDOOR WIRING DIAGRAM
INDOOR WIRING DIAGRAM
OUTDOOR WIRING DIAGRAM
INDOOR WIRING DIAGRAM
–12–
HEAT PUMP
Model : LB-G3680HL
COOLING ONLY
Model : LB-G3680CL
OUTDOOR WIRING DIAGRAM
INDOOR WIRING DIAGRAM
OUTDOOR WIRING DIAGRAM
INDOOR WIRING DIAGRAM
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