Why must R-410A be handled with extra care compared to older refrigerants?

R-410A must be handled with extra care primarily because it operates at higher pressures compared to older refrigerants. The operating pressures for R-410A systems are significantly higher than those for refrigerants like R-22, which means that the design specifications for components such as compressors, hoses, and gauges must accommodate these elevated pressures.

Higher pressures can pose risks, including the potential for system failures or leaks if equipment is not properly maintained or constructed to tolerate those conditions. Technicians need to be aware of these pressures to prevent accidents, injuries, or damage to the refrigeration system. Understanding the characteristics of R-410A and its impact on system design is crucial for safe and effective handling, installation, and servicing of HVAC systems that utilize this refrigerant. Consequently, technicians are trained to handle R-410A responsibly, ensuring that they follow all safety protocols and use appropriate equipment rated for these high pressures.