Service manual

Precautions for New Refrigerant (R-410A) SiUS28-902
175 Precautions for New Refrigerant (R-410A)
4. Leak tester
 Specifications
• Hydrogen detecting type, etc.
• Applicable refrigerants
R-410A, R-407C, R-404A, R-507A, R-134a, etc.
 Differences
• Previous testers detected chlorine. Since HFCs do not contain chlorine, new tester detects
hydrogen.
5. Refrigerant oil
 Specifications
• Contains synthetic oil, therefore it can be used for piping work of every refrigerant cycle.
• Offers high rust resistance and stability over long period of time.
 Differences
• Can be used for R-410A and R-22 units.