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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Refrigeration Cycle Diagram
HEAT
EXCHANGER
COOLING
HEATING
DEICE
HEAT
EXCHANGER
CAPILLARY TUBE
COMPRESSOR-B
COMPRESSOR-A
CAPILLARY TUBE
2-WAY
VALVE
4-WAY
VALVE
B-UNIT
A-UNIT
3-WAY
VALVE
4-WAY
VALVE
Indoor Unit
Outdoor Unit
Pipe Size (Diameter : inch)
Max.
piping length
(m)
Max.
piping elevation
(m)
Gas
Btu/h
Liquid
1/2"
1/4"
15
8
3/8"
24K
18K
1/4"
15
8
ex)
Capillary
Cooling & Deice
A-UNIT
B-UNIT
CAPILLARY TUBE
LIQUID SIDE
2-WAY VALVE
GAS SIDE
3-WAY VALVE
HEAT
EXCHANGER
(EVAPORATOR)
HEAT
EXCHANGER
(CONDENSER)
COMPRESSOR
B
COMPRESSOR
A
1. LM-1830C2L/M, LM-2430C2L/M,L2-C243AL1 (Cooling only models)
2. LM-1830H2L/M, LM-2430H2L/M (Cooling & Heating modes)