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Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
1. Check the quality label on the indoor and outdoor unit.
2. Make certain that the refrigerant is R-410A.
THIS PRODUCT CONTAINS R-410A REFRIGERANT
1) Different compressor oil
- R-410A(Polyol ester) / R-22(Mineral).
- Do not mix the existing mineral oil.
- Do not apply used pipe, tools and gauges covered with the existing mineral oil.
2) Absorption of moisture
-Compressor’s oil has the high absorption rate of moisture.
3) Composition
- R-410A(R32:R125=50:50wt%).
NOTE: Never mix with other refrigerants
4) High pressure.
- 1.6 times higher than R-22.
- High Pressure refrigerant may cause personal injury.
Do not handle the pipe by yourself (customer) High-pressure refrigerant may cause personal injury.
- manifold gauge ,charging and any piping tools must be dedicated to R-410A systems.
NOTICE
Confirm The Refrigerant
Example : Split type 12,000 Btu/h
120
100
100%
100%70%50%30%0%
70% 50% 30%
0%
100
93
89
84
76
80
60
40
20
0
R-410A
R-22
Boiling Pt.(
°C) Vapor pressure(25°C)(kg f/cnf) Vapor density(25°C)(kg/m
2
)
R-410A -51.4 15.9 64
R-22 -40.8 9.6 44.4
Installation