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Refrigeration Cycle Diagram
• HEAT PUMP (LB-H1860HL/HP, LB-H1861BL, LB-H2460HL/HP/BL, LB-H2461BL,
LB-G3680HL/HP/BL/BS)
INDOOR UNIT
CAPILLARY TUBE
HEAT
EXCHANGER
Pipe size(Diameter: ø)
MODEL
18K
24K
36K
• 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
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LIQUID SIDE
GAS SIDE
Gas
Liquid
5/8"
1/4"
5/8"
1/4"
5/8"
1/4"
OUTDOOR UNIT
COMPRESSOR
Piping length(m)
Rated
Max.
7.5
50
7.5
50
7.5
50
- 10 -
HEAT
EXCHANGER
REVERSING
VALVE
COOLING
HEATING
*Additional
Elevation(m)
refrigerant
Rated
Max.
5
30
5
30
5
30
LGE Internal Use Only
(g/m)
30
35
45
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