Daikin R-410A Service Manual page 217

SiBE39-402A
4. Leak tester
! Specifications
2 Hydrogen detecting type, etc.
2 Applicable refrigerants
! Differences
2 Previous testers detected chlorine. Since HFCs do not contain chlorine, new tester detects
5. Refrigerant oil
! Specifications
2 Contains synthetic oil, therefore it can be used for piping work of every refrigerant cycle.
2 Offers high rust resistance and stability over long period of time.
! Differences
2 Can be used for R410A and R22 units.
6. Gauge manifold for R410A
! Specifications
2 High pressure gauge
2 Low pressure gauge
2 1/4" → 5/16" (2min → 2.5min)
2 No oil is used in pressure test of gauges.
Precautions for New Refrigerant (R410A)
R410A, R407C, R404A, R507A, R134a, 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 (R410A)
2
)
2
)
207