Daikin ALTHERMA HT Service Manual page 285

ESIE09-08B
4. Leak tester
 Specifications
 Hydrogen detecting type, etc.
 Applicable refrigerants
 Differences
 Previous testers detected chlorine. Since HFCs do not contain chlorine, new tester detects
5. Refrigerant oil (Air compal)
 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.
6. Gauge manifold for R-410A
 Specifications
 High pressure gauge
 Low pressure gauge
 1/4"  5/16" (2min  2.5min)
 No oil is used in pressure test of gauges.
Precautions for New Refrigerant (R-410A)
R-410A, R-407C, R-404A, R-507A, R-134a, etc.
hydrogen.
- 0.1 to 5.3 MPa (-76 cmHg to 53 kg/cm
- 0.1 to 3.8 MPa (-76 cmHg to 38 kg/cm
For prevention of contamination
Precautions for New Refrigerant (R-410A)
2
)
2
)
273