Service manual

ESIE05-03 Introduction
xi
3
4
5
Gauge manifold for
R410A
P Specifications
• High pressure gauge
- 0.1 to 5.3 MPa (-76 cmHg to 53 kg/cm
2
)
• Low pressure gauge
- 0.1 to 3.8 MPa (-76 cmHg to 38 kg/cm
2
)
•1/4" → 5/16" (2min → 2.5min)
• No oil is used in pressure test of gauges.
→ For prevention of contamination
• Temperature scale indicates the relationship between pressure and temperature in gas saturated
state.
P Differences
• Change in pressure
• Change in service port diameter
Charge hose for
R410A
P Specifications
• Working pressure 5.08 MPa (51.8 kg/cm
2
)
• Rupture pressure 25.4 MPa (259 kg/cm
2
)
• Available with and without hand-operate valve that prevents refrigerant from outflow.
P Differences
• Pressure proof hose
• Change in service port diameter
• Use of nylon coated material for HFC resistance
(Hose with ball valve)
ESIE05-03.book Page xi Wednesday, April 6, 2005 4:09 PM