LG LAN121CNM Service Manual - Page 14

Confirm The Refrigerant

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Confirm The Refrigerant 1. Check the quality label on the indoor and outdoor unit. 2. Make certain that the refrigerant is R-410A. NOTICE 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 Example : Split type 12,000 Btu/h 120 100 100 93 89 84 80 76 60 40 20 0 R-410A R-22 100% 0% 70% 30% 50% 50% 4) High pressure. - 1.6 times higher than R-22. - High Pressure refrigerant may cause personal injury. 30% 0% 70% 100% Boiling Pt.(°C) Vapor pressure(25°C)(kg f/cnf) Vapor density(25°C)(kg/m2) R-410A -51.4 15.9 64 R-22 -40.8 9.6 44.4 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. 14 Room Air Conditioner

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14
Room Air Conditioner
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