Guideline For Using R410A - LG GVH282PAB Manual

LG Electronics
Guideline of using R410A
■ Process Control
1. Residual Moisture
Moisture control of lubricant is very important, because hydrolysis of lubricant
causes many problems.
2. Residual Chlorine
Chloric furuoro carbon and solvent cause decomposition of oil, no chlorine is
recommended ( if impossible, below 100 ppm )
3. Contamination Control
Contamination accelerate wear of compressor parts and decomposition of oil.
Therefore contamination control must be required.
4. Compressor Sealing
It is recommended to assemble compressor within 5 minutes after removing
sealing cap of compressor.
5. Tube Connection 5. Tube Connection
When brazing welding for tube connection, no use of Flux is recommendable.
■ Facilities
1. Vacuum Pump
Below 0.5 torr vacuum rate is recommendable.
2. Charging System
An exclusive charging equipment is necessary.
GVH282PAB Page 24 / 24
LGETH -180704-054 / Rev. 0
LG Electronics Inc.