Hvac type 2 stuvia Study guides, Class notes & Summaries

R-22 - ANSWERWhich refrigerant can be used for leak detection as a trace gas and pressurized with nitrogen Type 2 certs applies to - ANSWERHigh and very high pressure refrigerants R-134a - ANSWERWhich refrigerant is a drop in replacement for R-12 False - ANSWERIf nitrogen is not available for a leak test, compress air may be used as a substitute Pressure relief valve, rupture disk, and fusible plug - ANSWEREvery refrigerating system shall be protected from high pressure by a Synth...

R-22 - ANSWERWhich refrigerant can be used for leak detection as a trace gas and pressurized with nitrogen Type 2 certs applies to - ANSWERHigh and very high pressure refrigerants R-134a - ANSWERWhich refrigerant is a drop in replacement for R-12 False - ANSWERIf nitrogen is not available for a leak test, compress air may be used as a substitute Pressure relief valve, rupture disk, and fusible plug - ANSWEREvery refrigerating system shall be protected from high pressure by a Synth...